分布式文件系统 SpringBoot+FastDFS+Vue.js【三】

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七、创建后台–分角色管理

7.1.创建后台数据库表

USE fastdfs;

CREATE TABLE `admin` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '管理员表id',
  `role_id` int(11) DEFAULT '0' COMMENT '角色id',
  `role_name` varchar(50) DEFAULT NULL COMMENT '角色名',
  `name` varchar(100) NOT NULL COMMENT '管理员名',
  `password` varchar(50) NOT NULL COMMENT '管理员密码',
  `sex` varchar(50) DEFAULT NULL COMMENT '性别(男,女)',
  `age` int(11) DEFAULT NULL COMMENT '年龄',
  `status` tinyint(4) NOT NULL DEFAULT '0' COMMENT '状态(0:未工作 1:工作中)',
  `email` varchar(50) DEFAULT NULL COMMENT '邮箱',
  `phone` varchar(11) DEFAULT NULL COMMENT '手机号',
  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '更新时间',
  `is_deleted` tinyint(4) NOT NULL DEFAULT '1' COMMENT '删除标记(0:不可用 1:可用)',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=39 DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT COMMENT='管理员表';

CREATE TABLE `role` (
  `role_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '角色表id',
  `role_name` varchar(25) NOT NULL COMMENT '角色名\r\n1.医生\r\n2.科室\r\n3.医院管理员\r\n4.超级管理员',
  `description` varchar(255) DEFAULT NULL COMMENT '角色描述',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `is_delete` tinyint(4) NOT NULL DEFAULT '1' COMMENT '删除标记(0:不可用 1:可用)',
  PRIMARY KEY (`role_id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT COMMENT='角色表';

CREATE TABLE `menu` (
  `menu_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '资源ID',
  `menu_name` varchar(50) COLLATE utf8_bin DEFAULT NULL COMMENT '资源名称',
  `parent_id` int(11) DEFAULT NULL COMMENT '父id',
  `url` varchar(100) COLLATE utf8_bin DEFAULT NULL COMMENT '资源路径',
  `menus` tinyint(4) DEFAULT '1' COMMENT '是否有子菜单(0:是,1:)',
  `icon` varchar(255) COLLATE utf8_bin DEFAULT NULL COMMENT '图标',
  `create_time` datetime NOT NULL COMMENT '创建日期',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `is_delete` tinyint(4) NOT NULL DEFAULT '1' COMMENT '删除标记(0:不可用 1:可用)',
  PRIMARY KEY (`menu_id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8 COLLATE=utf8_bin ROW_FORMAT=COMPACT COMMENT='菜单栏表';

CREATE TABLE `role_menu` (
  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '角色菜单表id',
  `role_id` int(11) NOT NULL COMMENT '角色表id(外键)',
  `menu_id` int(11) NOT NULL COMMENT '菜单表id(外键)',
  `create_time` datetime NOT NULL COMMENT '创建时间',
  `update_time` datetime NOT NULL COMMENT '更新时间',
  `is_delete` tinyint(4) NOT NULL DEFAULT '1' COMMENT '删除标记(0:不可用 1:可用)',
  PRIMARY KEY (`id`) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=137 DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC;

INSERT INTO `admin` VALUES (1, 1, '超级管理员', 'root', '123456', '女', 18, 0, '123456@qq.com', '12345678902', '2021-06-30 12:14:13', '2024-02-14 21:40:26', 1);
INSERT INTO `admin` VALUES (2, 2, '用户', 'admin', '123456', '男', 17, 0, '123456@qq.com', '12345678902', '2021-06-30 12:14:13', '2022-03-13 08:41:45', 1);

INSERT INTO `menu` VALUES (2, '文件管理', 0, '', 1, 'el-icon-folder', '2021-06-27 19:58:39', '2024-02-14 22:20:52', 1);
INSERT INTO `menu` VALUES (3, '我的文件', 2, 'file', 0, 'nel-icon-folder-opened', '2021-06-27 21:36:01', '2024-02-14 22:19:50', 1);
INSERT INTO `menu` VALUES (4, '用户管理', 0, '', 1, 'el-icon-user', '2024-02-14 21:58:54', '2024-02-14 22:00:02', 1);
INSERT INTO `menu` VALUES (5, '用户', 4, 'user', 0, 'el-icon-s-custom', '2021-06-27 21:37:17', '2024-02-14 22:15:37', 1);
INSERT INTO `menu` VALUES (6, '个人信息管理', 0, NULL, 1, 'el-icon-user', '2022-03-04 17:12:46', '2024-02-14 21:59:26', 1);
INSERT INTO `menu` VALUES (7, '我的信息', 6, 'info', 0, 'el-icon-user', '2022-03-04 17:13:23', '2024-02-14 22:00:27', 1);
INSERT INTO `menu` VALUES (8, '修改邮箱', 6, 'email', 0, 'el-icon-user', '2022-03-05 10:53:37', '2024-02-14 22:00:29', 1);
INSERT INTO `menu` VALUES (9, '修改密码', 6, 'password', 0, 'el-icon-user', '2022-03-05 10:54:53', '2024-02-14 22:00:33', 1);
INSERT INTO `menu` VALUES (10, '文件上传', 2, 'upload', 0, 'el-icon-upload', '2024-02-14 22:18:49', '2024-02-14 22:18:49', 1);

INSERT INTO `role` VALUES (1, '超级管理员', '拥有所有权限', '2022-03-04 14:46:19', '2022-03-04 15:30:00', 1);
INSERT INTO `role` VALUES (2, '用户', '用户', '2022-03-04 14:46:19', '2024-02-14 21:53:44', 1);

INSERT INTO `role_menu` VALUES (1, 2, 10, '2024-02-14 22:20:19', '2024-02-14 22:20:19', 1);
INSERT INTO `role_menu` VALUES (2, 2, 2, '2024-02-14 22:02:28', '2024-02-14 22:14:49', 1);
INSERT INTO `role_menu` VALUES (3, 2, 3, '2024-02-14 22:02:37', '2024-02-14 22:14:49', 1);
INSERT INTO `role_menu` VALUES (4, 2, 6, '2024-02-14 22:03:05', '2024-02-14 22:14:49', 1);
INSERT INTO `role_menu` VALUES (5, 2, 7, '2024-02-14 22:03:15', '2024-02-14 22:14:49', 1);
INSERT INTO `role_menu` VALUES (6, 2, 8, '2024-02-14 22:03:23', '2024-02-14 22:14:49', 1);
INSERT INTO `role_menu` VALUES (7, 2, 9, '2024-02-14 22:03:36', '2024-02-14 22:14:49', 1);
INSERT INTO `role_menu` VALUES (9, 1, 4, '2024-02-14 22:04:10', '2024-02-14 22:14:55', 1);
INSERT INTO `role_menu` VALUES (10, 1, 5, '2024-02-14 22:04:18', '2024-02-14 22:14:55', 1);
INSERT INTO `role_menu` VALUES (11, 1, 6, '2024-02-14 22:04:25', '2024-02-14 22:14:55', 1);
INSERT INTO `role_menu` VALUES (12, 1, 7, '2024-02-14 22:04:33', '2024-02-14 22:14:55', 1);
INSERT INTO `role_menu` VALUES (13, 1, 8, '2024-02-14 22:04:44', '2024-02-14 22:14:55', 1);
INSERT INTO `role_menu` VALUES (14, 1, 9, '2024-02-14 22:04:53', '2024-02-14 22:14:55', 1);

7.2.创建实体类

7.2.1.Admin

/**
 * 管理员表
 */
@Data
@AllArgsConstructor
@NoArgsConstructor
@Repository
public class Admin implements Serializable {

    private Integer id; //管理员表id

    private Integer roleId; //角色id

    private String roleName; //角色名

    private String name; //管理员名

    private String password; //管理员密码

    private String sex; //性别(男,女)

    private Integer age; //年龄

    private Integer status; //状态(0:未工作 1:工作中)

    private String email; //邮箱

    private String phone; //手机号

    private LocalDateTime createTime; //创建时间

    private LocalDateTime updateTime; //更新时间

    private Integer isDeleted; //删除标记(0:不可用 1:可用)
}

7.2.2.Menu

/**
 * 菜单栏表
 */
@Data
@AllArgsConstructor
@NoArgsConstructor
@Repository
public class Menu implements Serializable {

    private Integer menuId; //资源ID

    private String menuName; //资源名称

    private Integer parentId; //父id

    private String url; //资源路径

    private Integer menus; //是否有子菜单(0:是,1:否)

    private String icon; //图标

    private LocalDateTime createTime; //创建日期

    private LocalDateTime updateTime; //更新时间

    private Integer isDelete; //删除标记(0:不可用 1:可用)
}

7.2.3.MenuBean

/**
 * 菜单栏表
 */
@Data
@AllArgsConstructor
@NoArgsConstructor
@Repository
public class MenuBean implements Serializable {

    private Integer menuId; //资源ID

    private String menuName; //资源名称

    private Integer parentId; //父id

    private String url; //资源路径

    private Integer menus; //是否有子菜单(0:是,1:否)

    private String icon; //图标

    private List<Menu> menuList;
}

7.2.4.Role

/**
 * 角色表
 */
@Data
@AllArgsConstructor
@NoArgsConstructor
@Repository
public class Role implements Serializable {

    private Integer roleId; //角色表id

    private String roleName; //角色名 1.用户 2.超级管理员

    private String description; //角色描述

    private LocalDateTime createTime; //创建时间

    private LocalDateTime updateTime; //更新时间

    private Integer isDelete; //删除标记(0:不可用 1:可用)
}

7.2.5.RoleMenu

/**
 * 角色菜单中间表
 */
@Data
@AllArgsConstructor
@NoArgsConstructor
@Repository
public class RoleMenu implements Serializable {

    private Integer id; //角色菜单表id

    private Integer roleId; //角色表id(外键)

    private Integer menuId; //菜单表id(外键)

    private LocalDateTime createTime; //创建时间

    private LocalDateTime updateTime; //更新时间

    private Integer isDelete; //删除标记(0:不可用 1:可用)
}

7.3.编辑配置文件application.yml

server:
  port: 9090

#Mybatis配置
mybatis:
  # 如果是放在src/main/java目录下 classpath:/com/yourpackage/*/mapper/*Mapper.xml
  # 如果是放在resource目录 classpath:/mapper/*Mapper.xml
  configuration: #sql日志
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
    #驼峰命名
    map-underscore-to-camel-case: true
  mapper-locations: classpath:com/orange/fastdfs/mapper/*.xml

#spring事务管理日志
logging:
  level:
    org.springframework.jdbc.support.JdbcTransactionManager: debug

spring:
  application:
    name: fastdfs-java  #应用的名字
  jackson:
    date-format: yyyy-MM-dd HH:mm:ss
    time-zone: GMT+8
  #数据库连接信息
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://192.168.229.141:3306/fastdfs?characterEncoding=utf-8&&useSSL=false
    username: root
    password: 123456
    type: com.alibaba.druid.pool.DruidDataSource
    #数据源其他配置
    initialSize: 5
    minIdle: 5
    maxActive: 20
    maxWait: 60000
    timeBetweenEvictionRunsMillis: 60000
    minEvictableIdleTimeMillis: 300000
    validationQuery: SELECT 1 FROM DUAL
    testWhileIdle: true
    testOnBorrow: false
    testOnReturn: false
    poolPreparedStatements: true
    #   配置监控统计拦截的filters,去掉后监控界面sql无法统计,'wall'用于防火墙
    filters: stat,wall
    maxPoolPreparedStatementPerConnectionSize: 20
    useGlobalDataSourceStat: true
    connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500

# 文件上传的配置
# linux临时文件目录
# mkdir -p /data/tmp/updatefile
  servlet:
    multipart:
      location: /data/tmp/updatefile
      max-file-size: 10MB
      max-request-size: 10MB

7.4.编写工具类

7.4.1.AuthContextHolder

/**
 * 获取当前用户信息工具类
 **/
public class AuthContextHolder {

    //获取当前用户id
    public static Integer getAdminId(HttpServletRequest request) {
        //从header获取token
        String token = request.getHeader("token");
        //jwt从token获取userid
        Integer adminId = JwtHelper.getAdminId(token);
        return adminId;
    }

    //获取当前用户名称
    public static String getAdminName(HttpServletRequest request) {
        //从header获取token
        String token = request.getHeader("token");
        //jwt从token获取userid
        String adminName = JwtHelper.getAdminName(token);
        return adminName;
    }

}

7.4.2.HttpUtils

public class HttpUtils {
    /**
     * 将通知参数转化为字符串
     */
    public static String readData(HttpServletRequest request) {
        BufferedReader br = null;
        try {
            StringBuilder result = new StringBuilder();
            br = request.getReader();
            for (String line; (line = br.readLine()) != null; ) {
                if (result.length() > 0) {
                    result.append("\n");
                }
                result.append(line);
            }
            return result.toString();
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

7.4.3.StringUtils

public final class StringUtils {

    public static boolean isEmpty(CharSequence cs) {
        return cs == null || cs.length() == 0;
    }

    public static boolean isBlank(CharSequence cs) {
        if (cs != null) {
            int length = cs.length();

            for(int i = 0; i < length; ++i) {
                if (!Character.isWhitespace(cs.charAt(i))) {
                    return false;
                }
            }
        }

        return true;
    }

    public static boolean isNotBlank(CharSequence cs) {
        return !isBlank(cs);
    }
}

7.4.4.JwtHelper

/**
 * JWT token 工具类
 **/
@Data
@Component
@ConfigurationProperties(prefix = "jwt")
public class JwtHelper {

    //过期时间
    private static long tokenExpiration;
    //签名秘钥
    private static String tokenSignKey;
    //请求头
    private static String tokenHeader;

    //校验token是否正确
    public static boolean verify(String token,Integer adminId,String adminName) {
        try {
            String id = String.valueOf(adminId);
            Algorithm algorithm = Algorithm.HMAC256(id);
            JWTVerifier verifier = JWT.require(algorithm)
                    .withClaim("adminName", adminName)
                    .withClaim("adminId",adminId)
                    .build();
            DecodedJWT jwt = verifier.verify(token);
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    /**
     * 生成签名
     */
    public static String createToken(Integer adminId,String adminName) {
        try {
            // 指定过期时间
            Date date = new Date(System.currentTimeMillis() + tokenExpiration);
            String id = String.valueOf(adminId);
            Algorithm algorithm = Algorithm.HMAC256(id);
            return JWT.create()
                    .withSubject("admin")
                    .withClaim("adminName", adminName)
                    .withClaim("adminId",adminId)
                    .withExpiresAt(date)
                    .sign(algorithm);
        } catch (UnsupportedEncodingException e) {
            return null;
        }
    }

    //根据token字符串得到用户id
    public static Integer getAdminId(String token) {
        if(StringUtils.isBlank(token)) {
            return null;
        }
        try {
            DecodedJWT jwt = JWT.decode(token);
            return jwt.getClaim("adminId").asInt();
        } catch (JWTDecodeException e) {
            return null;
        }
    }

    //根据token字符串得到用户名称
    public static String getAdminName(String token) {
        if(StringUtils.isBlank(token)) {
            return "";
        }
        try {
            DecodedJWT jwt = JWT.decode(token);
            return jwt.getClaim("adminName").asString();
        } catch (JWTDecodeException e) {
            return null;
        }
    }



    public static long getTokenExpiration() {
        return tokenExpiration;
    }

    public static void setTokenExpiration(long tokenExpiration) {
        JwtHelper.tokenExpiration = tokenExpiration;
    }

    public static String getTokenSignKey() {
        return tokenSignKey;
    }

    public static void setTokenSignKey(String tokenSignKey) {
        JwtHelper.tokenSignKey = tokenSignKey;
    }

    public static String getTokenHeader() {
        return tokenHeader;
    }

    public static void setTokenHeader(String tokenHeader) {
        JwtHelper.tokenHeader = tokenHeader;
    }

    public static void main(String[] args) {
        String token = JwtHelper.createToken(1,"小鱼儿");
        System.out.println(token);
        System.out.println(JwtHelper.getAdminId(token));
        System.out.println(JwtHelper.getAdminName(token));
        boolean a = verify(token,1,"小鱼儿");
        System.out.println(a);
    }

}

7.4.5.MD5

/**
 * 1.MD5加密字符串(32位大写)
 * 2.MD5加密字符串(32位小写)
 * <p>
 * MD5在线加密:https://md5jiami.51240.com/
 * 3.将二进制字节数组转换为十六进制字符串
 * 4.Unicode中文编码转换成字符串
 */
public class MD5 {

	/**
     * 生成md5
     * @param message
     * @return
     */
    public static String getMD5(String message) {
        String md5str = "";
        try {
            //1 创建一个提供信息摘要算法的对象,初始化为md5算法对象
            MessageDigest md = MessageDigest.getInstance("MD5");

            //2 将消息变成byte数组
            byte[] input = message.getBytes();

            //3 计算后获得字节数组,这就是那128位了
            byte[] buff = md.digest(input);

            //4 把数组每一字节(一个字节占八位)换成16进制连成md5字符串
            md5str = bytesToHex(buff);

        } catch (Exception e) {
            e.printStackTrace();
        }
        return md5str;
    }

    /**
     * MD5加密字符串(32位大写)
     *
     * @param string 需要进行MD5加密的字符串
     * @return 加密后的字符串(大写)
     */
    public static String md5Encrypt32Upper(String string) {
        byte[] hash;
        try {
            //创建一个MD5算法对象,并获得MD5字节数组,16*8=128位
            hash = MessageDigest.getInstance("MD5").digest(string.getBytes("UTF-8"));
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException("Huh, MD5 should be supported?", e);
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException("Huh, UTF-8 should be supported?", e);
        }

        //转换为十六进制字符串
        StringBuilder hex = new StringBuilder(hash.length * 2);
        for (byte b : hash) {
            if ((b & 0xFF) < 0x10) {
                hex.append("0");
            }
            hex.append(Integer.toHexString(b & 0xFF));
        }
        return hex.toString().toUpperCase();
    }

    /**
     * MD5加密字符串(32位小写)
     *
     * @param string 需要进行MD5加密的字符串
     * @return 加密后的字符串(小写)
     */
    public static String md5Encrypt32Lower(String string) {
        byte[] hash;
        try {
            //创建一个MD5算法对象,并获得MD5字节数组,16*8=128位
            hash = MessageDigest.getInstance("MD5").digest(string.getBytes("UTF-8"));
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException("Huh, MD5 should be supported?", e);
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException("Huh, UTF-8 should be supported?", e);
        }

        //转换为十六进制字符串
        StringBuilder hex = new StringBuilder(hash.length * 2);
        for (byte b : hash) {
            if ((b & 0xFF) < 0x10) {
                hex.append("0");
            }
            hex.append(Integer.toHexString(b & 0xFF));
        }
        return hex.toString().toLowerCase();
    }

    /**
     * 将二进制字节数组转换为十六进制字符串
     *
     * @param bytes 二进制字节数组
     * @return 十六进制字符串
     */
    public static String bytesToHex(byte[] bytes) {
        StringBuffer md5str = new StringBuffer();
        //把数组每一字节换成16进制连成md5字符串
        int digital;
        for (int i = 0; i < bytes.length; i++) {
             digital = bytes[i];

            if(digital < 0) {
                digital += 256;
            }
            if(digital < 16){
                md5str.append("0");
            }
            md5str.append(Integer.toHexString(digital));
        }
        return md5str.toString().toUpperCase();
    }

    /**
     * Unicode中文编码转换成字符串
     */
    public static String unicodeToString(String str) {
        Pattern pattern = Pattern.compile("(\\\\u(\\p{XDigit}{4}))");
        Matcher matcher = pattern.matcher(str);
        char ch;
        while (matcher.find()) {
            ch = (char) Integer.parseInt(matcher.group(2), 16);
            str = str.replace(matcher.group(1), ch + "");
        }
        return str;
    }

/*    @Test
    public void testMD5(){
    	String message="123,123";
    	String result=getMD5(message);
    	System.out.println(result);
    }*/

}

7.4.6.ShiroMD5

/**
 * MD5加密工具类
 **/
@Slf4j
public final class ShiroMD5 {

    /**
     * MD5对密码进行加密算法
     */
    public static String getPwd(String email,String password){
        log.info("密码加盐,原密码为:"+password);
        Md5Hash md5 = new Md5Hash(password, email, 1024);
        String newMd5Password = md5.toHex();
        System.out.println("加盐后的密码是:" +newMd5Password);
        log.info("密码加密后,生成的新密码为:"+newMd5Password);
        return newMd5Password;
    }
}

7.5.Mapper层

7.5.1.AdminMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.orange.fastdfsjava.mapper.AdminMapper">

    <select id="selectByNamePwd" resultType="com.orange.fastdfsjava.pojo.Admin">
        select *
        from admin
        where name = #{name}
          and password = #{password}
    </select>

    <select id="selectById" resultType="com.orange.fastdfsjava.pojo.Admin">
        select *
        from admin
        where id = #{id}
    </select>

    <select id="selectCountByNamePwd" resultType="java.lang.Integer">
        select count(*)
        from admin
        where name = #{name}
          and password = #{password}
    </select>
</mapper>

7.5.2.MenuMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.orange.fastdfsjava.mapper.MenuMapper">

    <select id="selectById" resultType="com.orange.fastdfsjava.pojo.Menu">
        select *
        from menu
        where menu_id = #{menuId}
    </select>
</mapper>

7.5.3.RoleMenuMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.orange.fastdfsjava.mapper.RoleMenuMapper">

    <select id="selectByRoleId" resultType="com.orange.fastdfsjava.pojo.RoleMenu">
        select *
        from role_menu
        where role_id = #{roleId}
    </select>
</mapper>

7.5.4.AdminMapper

@Mapper
public interface AdminMapper {
    Admin selectByNamePwd(String name, String password);

    Admin selectById(Integer id);

    int selectCountByNamePwd(String name, String password);
}

7.5.5.MenuMapper

@Mapper
public interface MenuMapper {
    Menu selectById(Integer menuId);
}

7.5.6.RoleMenuMapper

@Mapper
public interface RoleMenuMapper {
    List<RoleMenu> selectByRoleId(Integer roleId);
}

7.6.Service层

7.6.1.AdminService

public interface AdminService {
    Admin selectAdminLogin(String name, String password);

    Admin getAdminById(Integer adminId);

    int selectCountAdminLogin(String name, String password);
}

7.6.2.MenuBeanService

public interface MenuBeanService {

    List<MenuBean> selectByRoleId(Integer roleId);
}

7.6.3.MenuService

public interface MenuService {
    Menu selectByMenuId(Integer menuId);
}

7.6.4.RoleMenuService

public interface RoleMenuService {
    List<RoleMenu> selectByRoleId(Integer roleId);
}

7.6.5.AdminServiceImpl

/**
 * 管理员表
 */
@Service
public class AdminServiceImpl implements AdminService {

    @Resource
    private AdminMapper adminMapper;

    @Override
    public Admin selectAdminLogin(String name, String password) {
        return adminMapper.selectByNamePwd(name, password);
    }

    @Override
    public Admin getAdminById(Integer id) {
        return adminMapper.selectById(id);
    }

    @Override
    public int selectCountAdminLogin(String name, String password) {
        return adminMapper.selectCountByNamePwd(name, password);
    }
}

7.6.6.MenuBeanServiceImpl

@Service
public class MenuBeanServiceImpl implements MenuBeanService {

    @Resource
    private RoleMenuMapper roleMenuMapper;

    @Resource
    private MenuMapper menuMapper;

    @Override
    public List<MenuBean> selectByRoleId(Integer roleId) {

        List<MenuBean> menuBeans = new ArrayList<>();
        List<RoleMenu> roleMenuList = roleMenuMapper.selectByRoleId(roleId);
        for (RoleMenu roleMenu : roleMenuList){
            Menu menu = menuMapper.selectById(roleMenu.getMenuId());
            if (menu.getParentId()==0){
                MenuBean menuBean = new MenuBean();
                menuBean.setMenuId(menu.getMenuId());
                menuBean.setMenuName(menu.getMenuName());
                menuBean.setIcon(menu.getIcon());
                menuBean.setUrl(menu.getUrl());
                menuBean.setParentId(menu.getParentId());
                menuBean.setMenus(menu.getMenus());
                menuBeans.add(menuBean);
            }
        }

        List<MenuBean> menuBeanList = new ArrayList<>();

        for (MenuBean menuBean : menuBeans){
            MenuBean menuBean1 = menuBean;
            List<Menu> menuList = new ArrayList<>();
            for (RoleMenu roleMenu : roleMenuList){
                Menu menu1 = menuMapper.selectById(roleMenu.getMenuId());
                if (menu1.getParentId().equals(menuBean.getMenuId())){
                    menuList.add(menu1);
                }
            }
            menuBean1.setMenuList(menuList);
            menuBeanList.add(menuBean1);
        }

        return menuBeanList;
    }
}

7.6.7.MenuServiceImpl

/**
 * 菜单栏表
 */
@Service
public class MenuServiceImpl implements MenuService {

    @Resource
    private MenuMapper menuMapper;

    @Override
    public Menu selectByMenuId(Integer menuId) {
        return menuMapper.selectById(menuId);
    }
}

7.6.8.RoleMenuServiceImpl

/**
 * 角色菜单中间表
 */
@Service
public class RoleMenuServiceImpl implements RoleMenuService {

    @Resource
    private RoleMenuMapper roleMenuMapper;

    @Override
    public List<RoleMenu> selectByRoleId(Integer roleId) {
        return roleMenuMapper.selectByRoleId(roleId);
    }
}

7.7.controller层

7.7.1.AdminController

/**
 * 管理员表
 */
@Slf4j
@CrossOrigin
@RestController
@RequestMapping("/admins")
public class AdminController {

    @Resource
    private AdminService adminService;

    //管理员进行用户名密码登录
    @PostMapping("{name}/{password}")
    public R loginAdmin(@PathVariable String name, @PathVariable String password) {
        log.info("管理员进行用户名:===>{},密码登录:===>{}", name, password);
        int count = adminService.selectCountAdminLogin(name, password);
        if (count > 0) {
            Admin admin = adminService.selectAdminLogin(name, password);
            String adminName = admin.getName();
            String roleName = admin.getRoleName();
            if (StringUtils.isNotBlank(adminName)) {
                String token = JwtHelper.createToken(admin.getId(), admin.getName());

                return R.ok().setMessage("success").setCode(200).data("adminName", adminName).data("roleName", roleName).data("token", token);
            }
        }
        return R.error().setMessage("fail");
    }

    //根据id查询管理员
    @GetMapping()
    public R getAdminById(HttpServletRequest request) {
        Integer adminId = AuthContextHolder.getAdminId(request);
        Admin admin = adminService.getAdminById(adminId);
        log.info("根据id查询管理员:===>{}", admin);
        return R.ok().setMessage("success").setCode(200).data("admin", admin);
    }

}

7.7.2.MenuController

/**
 * 菜单栏表 前端控制器
 */
@Slf4j
@RestController
@RequestMapping("/menus")
public class MenuController {

    @Resource
    private AdminService adminService;

    @Resource
    private MenuBeanService menuBeanService;

    /**
     * 根据角色获取不同的菜单栏列表
     * @param request
     * @return
     * @throws Exception
     */
    @GetMapping()
    public R getMenuByRoleId(HttpServletRequest request) throws Exception{
        try {
            int adminId = AuthContextHolder.getAdminId(request);
            Admin admin = adminService.getAdminById(adminId);
            Integer roleId = admin.getRoleId();

            List<MenuBean> menuBeanList = menuBeanService.selectByRoleId(roleId);

            return R.ok().setCode(200).setMessage("查询菜单列表success").data("menuBeanList",menuBeanList);
        }catch (Exception e){
            return R.error().setCode(208).setMessage("请求失败,请进行登录后操作");
        }
    }
}

7.8.前端vue改造

npm install js-cookie --save
npm install --save vue-qriously
npm install --save vuex

7.8.1.登录login.vue

<template>
  <div class="login-wrap">
    <el-form label-position="left" :model="ruleForm" :rules="rules" ref="ruleForm" label-width="0px" class="demo-ruleForm login-container">
      <h3 class="title">用户登录</h3>
      <el-form-item prop="username">
        <el-input type="text" v-model="ruleForm.username" auto-complete="off" placeholder="账号"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input type="password" v-model="ruleForm.password" auto-complete="off" placeholder="密码"></el-input>
      </el-form-item>
      <el-row>
        <el-col :span="12">
          <el-form-item prop="code">
            <el-input type="text" v-model="ruleForm.code" auto-complete="off" placeholder="图形验证码" @keyup.enter.native="submitForm('ruleForm')"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12" class="code-box">
          <img :src="ruleForm.codeimg" alt="" class="codeimg">
          <div @click="refreshCode" style="margin-right: 50px;margin-top: -18px">
            <SIdentify :identifyCode="identifyCode"></SIdentify>
          </div>
        </el-col>

      </el-row>
      <el-checkbox class="remember" v-model="rememberpwd">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button type="primary" style="width:100%;" @click="submitForm('ruleForm')" :loading="logining">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script type="text/ecmascript-6">

import cookie from "js-cookie";
import SIdentify from "@/view/code/identify";
import adminApi from "../api/fastdfs/admin";
export default {
  name: 'login',
  components: {
    SIdentify
  },
  data() {
    return {
      //定义loading默认为false
      logining: false,
      // 记住密码
      rememberpwd: false,
      ruleForm: {
        //username和password默认为空
        username: '',
        password: '',
        code: '',
        randomStr: '',
        codeimg: ''
      },
      //rules前端验证
      rules: {
        username: [{ required: true, message: '请输入账号', trigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
        code: [{ required: true, message: '请输入验证码', trigger: 'blur' }]
      },

      //验证码
      identifyCodes: "1234567890",
      identifyCode: ""
    }
  },
  // 创建完毕状态(里面是操作)
  created() {
    this.$message({
      message: '账号密码及验证码不为空即可',
      type: 'success'
    })


  },
  mounted() {
    const self = this
    self.identifyCode = "";
    self.makeCode(this.identifyCodes, 4);
    self.ruleForm.codeimg = self.identifyCode

    //验证码输入框
    self.ruleForm.code = self.identifyCode
  },
  // 里面的函数只有调用才会执行
  methods: {
    //生成验证码工具
    randomNum(min, max) {
      return Math.floor(Math.random() * (max - min) + min);
    },
    //刷新验证码
    refreshCode() {
      this.identifyCode = "";
      this.makeCode(this.identifyCodes, 4);
      this.ruleForm.codeimg = this.identifyCode

      //验证码输入框
      this.ruleForm.code = this.identifyCode
    },
    //验证
    makeCode(o, l) {
      for (let i = 0; i < l; i++) {
        this.identifyCode += this.identifyCodes[
            this.randomNum(0, this.identifyCodes.length)
            ];
      }
    },
    setCookies(adminName, token,roleName) {
      cookie.set('adminToken', token, { domain: 'localhost' })
      cookie.set('adminName', adminName, { domain: 'localhost' })
      cookie.set('roleName', roleName, { domain: 'localhost' })
    },
    //获取info列表
    submitForm(formName) {
      this.$refs[formName].validate(valid => {
        if (valid) {
          if (this.ruleForm.code===this.ruleForm.codeimg){
            adminApi.loginAdmin(this.ruleForm.username,this.ruleForm.password).then(response=>{
              if (response.code == 200){
                this.$message.success("登录成功")
                // 登录成功 设置cookie
                this.setCookies(response.data.adminName,response.data.token,response.data.roleName)
                this.$router.push('main')
              }else {
                this.$message.error("用户名或者密码错误...")
              }
            })
          }else {
            // 获取图形验证码
            this.$message.error('验证码输入密码!')
          }
        } else {
          this.logining = false
          return false
        }
      })
    },
  }
}
</script>

<style scoped>
.login-wrap {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding-top: 10%;
  background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="1361px" height="609px" viewBox="0 0 1361 609" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <!-- Generator: Sketch 46.2 (44496) - http://www.bohemiancoding.com/sketch -->
    <title>Group 21</title>
    <desc>Created with Sketch.</desc>
    <defs></defs>
    <g id="Ant-Design-Pro-3.0" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
        <g id="账户密码登录-校验" transform="translate(-79.000000, -82.000000)">
            <g id="Group-21" transform="translate(77.000000, 73.000000)">
                <g id="Group-18" opacity="0.8" transform="translate(74.901416, 569.699158) rotate(-7.000000) translate(-74.901416, -569.699158) translate(4.901416, 525.199158)">
                    <ellipse id="Oval-11" fill="#CFDAE6" opacity="0.25" cx="63.5748792" cy="32.468367" rx="21.7830479" ry="21.766008"></ellipse>
                    <ellipse id="Oval-3" fill="#CFDAE6" opacity="0.599999964" cx="5.98746479" cy="13.8668601" rx="5.2173913" ry="5.21330997"></ellipse>
                    <path d="M38.1354514,88.3520215 C43.8984227,88.3520215 48.570234,83.6838647 48.570234,77.9254015 C48.570234,72.1669383 43.8984227,67.4987816 38.1354514,67.4987816 C32.3724801,67.4987816 27.7006688,72.1669383 27.7006688,77.9254015 C27.7006688,83.6838647 32.3724801,88.3520215 38.1354514,88.3520215 Z" id="Oval-3-Copy" fill="#CFDAE6" opacity="0.45"></path>
                    <path d="M64.2775582,33.1704963 L119.185836,16.5654915" id="Path-12" stroke="#CFDAE6" stroke-width="1.73913043" stroke-linecap="round" stroke-linejoin="round"></path>
                    <path d="M42.1431708,26.5002681 L7.71190162,14.5640702" id="Path-16" stroke="#E0B4B7" stroke-width="0.702678964" opacity="0.7" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <path d="M63.9262187,33.521561 L43.6721326,69.3250951" id="Path-15" stroke="#BACAD9" stroke-width="0.702678964" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <g id="Group-17" transform="translate(126.850922, 13.543654) rotate(30.000000) translate(-126.850922, -13.543654) translate(117.285705, 4.381889)" fill="#CFDAE6">
                        <ellipse id="Oval-4" opacity="0.45" cx="9.13482653" cy="9.12768076" rx="9.13482653" ry="9.12768076"></ellipse>
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                    </g>
                </g>
                <g id="Group-14" transform="translate(216.294700, 123.725600) rotate(-5.000000) translate(-216.294700, -123.725600) translate(106.294700, 35.225600)">
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                    <ellipse id="Oval-2" fill="#BACAD9" opacity="0.5" cx="29.1176471" cy="29.1402439" rx="10.7843137" ry="10.7926829"></ellipse>
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                    </g>
                    <ellipse id="Oval-10" fill="#CFDAE6" cx="218.382353" cy="138.685976" rx="1.61764706" ry="1.61890244"></ellipse>
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                </g>
                <g id="Group-10" opacity="0.799999952" transform="translate(1054.100635, 36.659317) rotate(-11.000000) translate(-1054.100635, -36.659317) translate(1026.600635, 4.659317)">
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                    </g>
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                </g>
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                        <circle id="Oval-4" opacity="0.45" cx="11.6666667" cy="11.6666667" r="11.6666667"></circle>
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                    </g>
                    <circle id="Oval-5-Copy-6" fill="#CFDAE6" cx="201.833333" cy="87.5" r="5.83333333"></circle>
                    <path d="M143.5,88.8126685 L155.070501,17.6038544" id="Path-17" stroke="#BACAD9" stroke-width="1.16666667"></path>
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                    <circle id="Oval-5" fill="#C1D1E0" cx="156.916667" cy="8.75" r="8.75"></circle>
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                    <circle id="Oval-5-Copy-2" fill-opacity="0.6" fill="#D1DEED" cx="8.75" cy="33.25" r="8.75"></circle>
                    <circle id="Oval-5-Copy-4" fill-opacity="0.6" fill="#D1DEED" cx="243.833333" cy="30.3333333" r="5.83333333"></circle>
                    <circle id="Oval-5-Copy-5" fill="#E0B4B7" cx="175.583333" cy="232.75" r="5.25"></circle>
                </g>
            </g>
        </g>
    </g>
</svg>);
  /* background-color: #112346; */
  background-repeat: no-repeat;
  background-position: center right;
  background-size: 100%;
}
.login-container {
  border-radius: 10px;
  margin: 0px auto;
  width: 350px;
  padding: 30px 35px 15px 35px;
  background: #fff;
  border: 1px solid #eaeaea;
  text-align: left;
  box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
}
.title {
  margin: 0px auto 40px auto;
  text-align: center;
  color: #505458;
}
.remember {
  margin: 0px 0px 35px 0px;
}
.code-box {
  text-align: right;
}
.codeimg {
  height: 40px;
}
</style>

7.8.2.后台页面admin.vue

<template>

  <el-container class="index-con">
    <el-aside :class="showclass">
      <leftnav></leftnav>
    </el-aside>
    <el-container class="main-con">
      <el-header class="index-header">
        <navcon></navcon>
      </el-header>
      <el-main clss="index-main">
        <router-view>


        </router-view>
      </el-main>
    </el-container>
  </el-container>
</template>
<script>
// 导入组件
import navcon from '../components/navcon.vue'
import leftnav from '../components/leftnav.vue'
export default {
  name: 'admin',
  data() {
    return {
      showclass: 'asideshow',
      showtype: false
    }
  },
  // 注册组件
  components: {
    navcon,
    leftnav
  },
  methods: {},
  created() {
    // 监听
    this.$root.Bus.$on('toggle', value => {
      if (value) {
        this.showclass = 'asideshow'
      } else {
        setTimeout(() => {
          this.showclass = 'aside'
        }, 300)
      }
    })
  },
  beforeUpdate() {},
  // 挂载前状态(里面是操作)
  beforeMount() {
    // 弹出登录成功
    /*this.$message({
      message: '登录成功',
      type: 'success'
    })*/
  }
}
</script>
<style >
.index-con {
  height: 100%;
  width: 100%;
  box-sizing: border-box;
}

.aside {
  width: 64px !important;
  height: 100%;
  background-color: #334157;
  margin: 0px;
}
.asideshow {
  width: 240px !important;
  height: 100%;
  background-color: #334157;
  margin: 0px;
}
.index-header,
.index-main {
  padding: 0px;
  border-left: 2px solid #333;
}
</style>

7.8.2.后台顶部页面navcon.vue

/**
* 头部菜单
*/
<template>
  <el-menu class="el-menu-demo" mode="horizontal" background-color="#334157" text-color="#fff" active-text-color="#fff">
    <el-button class="buttonimg">
      <img class="showimg" :src="collapsed?imgsq:imgshow" @click="toggle(collapsed)">
    </el-button>
    <el-submenu index="2" class="submenu">
      <template slot="title">{{adminName}}</template>
      <el-menu-item>设置</el-menu-item>
      <el-menu-item>个人中心</el-menu-item>
      <el-menu-item @click="exit()" index="2-3">退出</el-menu-item>
    </el-submenu>
  </el-menu>
</template>
<script>

import cookie from "js-cookie";
export default {
  name: 'navcon',
  data() {
    return {
      collapsed: true,
      imgshow: require('../assets/img/show.png'),
      imgsq: require('../assets/img/sq.png'),
      adminName: ''
    }
  },
  // 创建完毕状态(里面是操作)
  created() {
    this.adminName = cookie.get('adminName')
  },
  methods: {
    // 退出登录
    exit() {
      this.$confirm('退出登录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
          .then(() => {
            setTimeout(() => {
              this.$router.push({ path: '/' })
              cookie.set('adminToken', '', {domain: 'localhost'})
              cookie.set('adminName', '', {domain: 'localhost'})
              this.$message({
                type: 'success',
                message: '已退出登录!'
              })
            }, 1000)
          })
          .catch(() => {
            this.$message({
              type: 'info',
              message: '已取消'
            })
          })
    },
    // 切换显示
    toggle(showtype) {
      this.collapsed = !showtype
      this.$root.Bus.$emit('toggle', this.collapsed)
    }
  }
}
</script>
<style scoped>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  border: none;
}
.submenu {
  float: right;
  position: absolute;
  right: 0;
  top: 0px;
}
.buttonimg {
  height: 60px;
  background-color: transparent;
  border: none;
}
.showimg {
  width: 26px;
  height: 26px;
  position: absolute;
  top: 17px;
  left: 17px;
}
.showimg:active {
  border: none;
}
</style>

7.8.2.后台左侧页面leftnav.vue

/**
* 左边菜单
*/
<template>
  <el-menu :collapse="collapsed" collapse-transition router unique-opened class="el-menu-vertical-demo" background-color="#334157" text-color="#fff" active-text-color="#ffd04b">
    <div class="logobox">
      <img class="logoimg" src="../assets/img/logo.png" alt="">
    </div>

    <router-link to="/main">
      <el-menu-item index="Index">
        <template slot="title">
          <i class="el-icon-s-home"></i>
          <span slot="title">首页</span>
        </template>
      </el-menu-item>
    </router-link>

    <el-submenu v-for="menu in menuBeanList" :key="menu.menuid" :index="menu.menuName">
      <template slot="title">
        <i class="iconfont" :class="menu.icon"></i>&nbsp;
        <span>{{menu.menuName}}</span>
      </template>
      <el-menu-item-group v-if="menu.menuList != null">
        <el-menu-item v-for="chmenu in menu.menuList" :index="'/'+chmenu.url" :key="chmenu.menuId">
          <i class="iconfont" :class="chmenu.icon"></i>&nbsp;
          <span>{{chmenu.menuName}}</span>
        </el-menu-item>
      </el-menu-item-group>
    </el-submenu>
  </el-menu>
</template>

<script>
import menuApi from "../api/fastdfs/menu";
export default {
  name: 'leftnav',
  data() {
    return {
      collapsed: false,
      allmenu: [],
      menuBeanList:[],
    }
  },
  // 创建完毕状态(里面是操作)
  created() {
    this.$root.Bus.$on('toggle', value => {
      this.collapsed = !value
    })
    menuApi.getMenuByRoleId().then(response=>{
      this.menuBeanList = response.data.menuBeanList
    })

  }
}
</script>
<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 240px;
  min-height: 400px;
}
.el-menu-vertical-demo:not(.el-menu--collapse) {
  border: none;
  text-align: left;
}
.el-menu-item-group__title {
  padding: 0px;
}
.el-menu-bg {
  background-color: #1f2d3d !important;
}
.el-menu {
  border: none;
}
.logobox {
  height: 40px;
  line-height: 40px;
  color: #9d9d9d;
  font-size: 20px;
  text-align: center;
  padding: 20px 0px;
}
.logoimg {
  height: 40px;
}
</style>

7.8.2.主界面main.vue

<template>
  <div>

    <div class="body" style="z-index:1">
      <div class="stars" ref="starsRef">
        <div class="star" v-for="(item, index) in starsCount" :key="index"></div>
        <div style="z-index: 10;font-size: 50px;color: #a0cfff">
          <span>欢迎登录后台管理系统=>{{ adminName }}</span>
        </div>
      </div>
      <div style="z-index: 10;font-size: 50px;color: #a0cfff;margin-top: 200px;margin-left: 200px">
        <span>欢迎登录后台管理系统=>{{ adminName }}</span>
      </div>
    </div>

  </div>

</template>

<script>
import cookie from "js-cookie";

export default {
  name: "main",
  data() {
    return {
      adminName: '',
      num: 5,
      starsCount: 1000, //星星数量
      distance: 900, //间距
    }
  },
  // 创建完毕状态(里面是操作)
  created() {
    this.adminName = cookie.get('adminName')
  },
  mounted() {
    console.log(this.$refs.starsRef.children);
    let starNodes = Array.from(this.$refs.starsRef.children);
    starNodes.forEach((item) => {
      let speed = 0.2 + Math.random() * 1;
      let thisDistance = this.distance + Math.random() * 300;
      item.style.transformOrigin = `0 0 ${thisDistance}px`;
      item.style.transform =
          `translate3d(0,0,-${thisDistance}px)
		        rotateY(${Math.random() * 360}deg)
		        rotateX(${Math.random() * -50}deg)
		        scale(${speed},${speed})`;
    });
  }

}
</script>

<style scoped>
.body {
  position: absolute;
  width: 86%;
  height: 90%;
  margin: 0;
  padding: 0;
  background: radial-gradient(200% 100% at bottom center,
  #f7f7b6,
  #e96f92,
  #1b2947);
  background: radial-gradient(200% 105% at top center,
  #1b2947 10%,
  #75517d 40%,
  #e96f92 65%,
  #f7f7b6);
  background-attachment: fixed;
  overflow: hidden;
}

@keyframes rotate {
  0% {
    transform: perspective(400px) rotateZ(20deg) rotateX(-40deg) rotateY(0);
  }

  100% {
    transform: perspective(400px) rotateZ(20deg) rotateX(-40deg) rotateY(-360deg);
  }
}

.stars {
  transform: perspective(500px);
  transform-style: preserve-3d;
  position: absolute;
  perspective-origin: 50% 100%;
  left: 45%;
  animation: rotate 90s infinite linear;
  bottom: 0;
}

.star {
  width: 2px;
  height: 2px;
  background: #f7f7b6;
  position: absolute;
  left: 0;
  top: 0;
  backface-visibility: hidden;
}
</style>

7.8.3.identify.vue

<template>
  <div class="s-canvas">
    <canvas id="s-canvas" :width="contentWidth" :height="contentHeight"></canvas>
  </div>
</template>
<script>
export default{
  name: 'SIdentify',
  props: {
    identifyCode: {
      type: String,
      default: '1234'
    },
    fontSizeMin: {
      type: Number,
      default: 16
    },
    fontSizeMax: {
      type: Number,
      default: 40
    },
    backgroundColorMin: {
      type: Number,
      default: 180
    },
    backgroundColorMax: {
      type: Number,
      default: 240
    },
    colorMin: {
      type: Number,
      default: 50
    },
    colorMax: {
      type: Number,
      default: 160
    },
    lineColorMin: {
      type: Number,
      default: 40
    },
    lineColorMax: {
      type: Number,
      default: 180
    },
    dotColorMin: {
      type: Number,
      default: 0
    },
    dotColorMax: {
      type: Number,
      default: 255
    },
    contentWidth: {
      type: Number,
      default: 112
    },
    contentHeight: {
      type: Number,
      default: 38
    }
  },
  methods: {
    // 生成一个随机数
    randomNum (min, max) {
      return Math.floor(Math.random() * (max - min) + min)
    },
    // 生成一个随机的颜色
    randomColor (min, max) {
      let r = this.randomNum(min, max)
      let g = this.randomNum(min, max)
      let b = this.randomNum(min, max)
      return 'rgb(' + r + ',' + g + ',' + b + ')'
    },
    drawPic () {
      let canvas = document.getElementById('s-canvas')
      let ctx = canvas.getContext('2d')
      ctx.textBaseline = 'bottom'
      // 绘制背景
      ctx.fillStyle = this.randomColor(this.backgroundColorMin, this.backgroundColorMax)
      ctx.fillRect(0, 0, this.contentWidth, this.contentHeight)
      // 绘制文字
      for (let i = 0; i < this.identifyCode.length; i++) {
        this.drawText(ctx, this.identifyCode[i], i)
      }
      this.drawLine(ctx)
      this.drawDot(ctx)
    },
    drawText (ctx, txt, i) {
      ctx.fillStyle = this.randomColor(this.colorMin, this.colorMax)
      ctx.font = this.randomNum(this.fontSizeMin, this.fontSizeMax) + 'px SimHei'
      let x = (i + 1) * (this.contentWidth / (this.identifyCode.length + 1))
      let y = this.randomNum(this.fontSizeMax, this.contentHeight - 5)
      var deg = this.randomNum(-45, 45)
      // 修改坐标原点和旋转角度
      ctx.translate(x, y)
      ctx.rotate(deg * Math.PI / 180)
      ctx.fillText(txt, 0, 0)
      // 恢复坐标原点和旋转角度
      ctx.rotate(-deg * Math.PI / 180)
      ctx.translate(-x, -y)
    },
    drawLine (ctx) {
      // 绘制干扰线
      for (let i = 0; i < 8; i++) {
        ctx.strokeStyle = this.randomColor(this.lineColorMin, this.lineColorMax)
        ctx.beginPath()
        ctx.moveTo(this.randomNum(0, this.contentWidth), this.randomNum(0, this.contentHeight))
        ctx.lineTo(this.randomNum(0, this.contentWidth), this.randomNum(0, this.contentHeight))
        ctx.stroke()
      }
    },
    drawDot (ctx) {
      // 绘制干扰点
      for (let i = 0; i < 100; i++) {
        ctx.fillStyle = this.randomColor(0, 255)
        ctx.beginPath()
        ctx.arc(this.randomNum(0, this.contentWidth), this.randomNum(0, this.contentHeight), 1, 0, 2 * Math.PI)
        ctx.fill()
      }
    }
  },
  watch: {
    identifyCode () {
      this.drawPic()
    }
  },
  mounted () {
    this.drawPic()
  }
}
</script>


7.8.4.request.js

import axios from 'axios'
import {Message} from 'element-ui'
import cookie from 'js-cookie'

// 创建axios实例
const service = axios.create({
  baseURL: 'http://localhost:9090', // api 的 base_url
  timeout: 1000000 // 请求超时时间
})

// http request 拦截器
// 请求拦截器
service.interceptors.request.use(
  config => {
    // 可以在这里添加请求头等信息
    // token 先不处理,后续使用时在完善
    if (cookie.get('adminToken')) {
      config.headers['token'] = cookie.get('adminToken')
    }
    return config;
  },
  err => {
    // 请求错误处理
    console.log(err);
    return Promise.reject(err);
  }
);

// http response 拦截器
// 响应拦截器
service.interceptors.response.use(
  response => {
    // 对响应数据做处理,例如只返回data部分
    //const data = response.data;
    //return data;
    if (response.code === 208) {
      this.$message.warning(response.message)
      router.push('login')
      return
    } else {
      if (response.data.code === 200) {
        return response.data
      } else {
        Message({
          message: response.data.message,
          type: 'error',
          duration: 5 * 1000
        })
        return Promise.reject(response.data)
      }
    }
  },
  error => {
    // 响应错误处理
    console.log('err' + error); // for debug
    //return Promise.reject(error);
    return Promise.reject(error.response);
  }
);

export default service;

7.8.5.store.js

import Vue from 'vue';
import Vuex from 'vuex';

Vue.use(Vuex);
// 登录验证
export default new Vuex.Store({
    state: {
        user: false
    },
    mutations: {
        // 登录
        login(state, adminName) {
            state.adminName = adminName;
            localStorage.setItem("adminName", adminName);
        },
        // 退出
        logout(state, adminName) {
            state.adminName = "";
            localStorage.setItem("adminName", "");
        }
    }
})

7.8.6.util.js

/**
 * 时间戳
 * @param {*} timestamp  时间戳
 */
 const timestampToTime = (timestamp) => {
    let date = new Date(timestamp) //时间戳为10位需*1000,时间戳为13位的话不需乘1000
    let Y = date.getFullYear() + '-'
    let M =
        (date.getMonth() + 1 < 10 ?
            '0' + (date.getMonth() + 1) :
            date.getMonth() + 1) + '-'
    let D =
        (date.getDate() < 10 ? '0' + date.getDate() : date.getDate()) + ' '
    let h =
        (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ':'
    let m =
        (date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()) +
        ':'
    let s =
        date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds()
    return Y + M + D + h + m + s
};
/**
 * 存储localStorage
 */
const setStore = (name, content) => {
    if (!name) return;
    if (typeof content !== 'string') {
        content = JSON.stringify(content);
    }
    window.localStorage.setItem(name, content);
}

/**
 * 获取localStorage
 */
const getStore = name => {
    if (!name) return;
    return window.localStorage.getItem(name);
}

/**
 * 删除localStorage
 */
const removeStore = name => {
    if (!name) return;
    window.localStorage.removeItem(name);
}

/**
 * 设置cookie
 **/
function setCookie(name, value, day) {
    let date = new Date();
    date.setDate(date.getDate() + day);
    document.cookie = name + '=' + value + ';expires=' + date;
};

/**
 * 获取cookie
 **/
function getCookie(name) {
    let reg = RegExp(name + '=([^;]+)');
    let arr = document.cookie.match(reg);
    if (arr) {
        return arr[1];
    } else {
        return '';
    }
};

/**
 * 删除cookie
 **/
function delCookie(name) {
    setCookie(name, null, -1);
};

/**
 * 导出 
 **/
export default{
    timestampToTime,
    setStore,
    getStore,
    removeStore,
    setCookie,
    getCookie,
    delCookie
}

7.8.7.index.js

//在路由文件router/index.js中配置
// 该文件专门用于创建整个应用的路由器
// 创建应用程序的路由器
import Vue from 'vue'
import VueRouter from 'vue-router'
// 此时就可以在Vue实例中配置路由器了
Vue.use(VueRouter)

// 创建并暴露一个路由器
export default new VueRouter({
  routes:[
    {
      path:'/',
      name:'login',
      meta:{
        title:"登录页"
      },
      //redirect:'front/login',
      component:() => import('../view/login'),
      /*hidden: true,
      meta: {
          requireAuth: false //登录权限实现(登录拦截)
      }*/
    },
    {
      path:'/admin',
      name:'admin',
      meta:{
        title:"首页"
      },
      component:() => import('../view/admin'),
      children:[
        {
          path:'/main',
          name:'main',
          meta:{
            title:"首页"
          },
          component:() => import('../view/main')
        },

        //用户管理
        {
          path:'/user',
          name:'user',
          meta:{
            title:"用户管理:超级管理员:用户"
          },
          component:() => import('../view/user/user')
        },
      ],
    },

    {
      path:'/admin',
      name:'admin',
      meta:{
        title:"文件管理"
      },
      component:() => import('../view/admin'),
      children:[
        {
          path:'/main',
          name:'main',
          meta:{
            title:"首页"
          },
          component:() => import('../view/main')
        },

        //用户管理
        {
          path:'/user',
          name:'user',
          meta:{
            title:"用户管理:超级管理员:用户"
          },
          component:() => import('../view/user/user')
        },

        //文件管理
        {
          path:'/upload',
          name:'upload',
          meta:{
            title:"文件管理:上传文件"
          },
          component:() => import('../view/fastdfs/fastdfsuploadimg')
        },
        {
          path:'/file',
          name:'file',
          meta:{
            title:"文件管理:文件"
          },
          component:() => import('../view/fastdfs/fastdfsimg')
        },

      ],
    },

  ],
  mode:'history', //去除#号
  base: process.env.BASE_URL,
})


7.8.8.admin.js

import request from "@/utils/request";

const api_name = '/admins'

export default {
    //登录
    loginAdmin(name,password){
        return request({
            url: `${api_name}/${name}/${password}`,
            method:'post'
        })
    },
    //获取当前用户信息
    getAdminById(){
        return request({
            url: `${api_name}`,
            method:'get'
        })
    }

}

7.8.9.menu.js

import request from "@/utils/request";

const api_name = '/menus'

export default {
    //获取菜单列表
    getMenuByRoleId(){
        return request({
            url: `${api_name}`,
            method:'get'
        })
    },

}

7.8.10.main.js

// 引入App
import App from './App.vue'
//引入Vue
import Vue from 'vue'
//引入axios
import axios from 'axios'
//引入VueAxios
//安装VueAxios模块后,不需要在每个组件中单独导入axios,只需将axios请求改为this.axios
import VueAxios from 'vue-axios'
//引入VueRouter
import VueRouter from 'vue-router'
//完整引入
//引入ElementUI组件库
import ElementUI from 'element-ui'
import 'element-ui/lib/theme-chalk/index.css'
//新建一个router文件夹,在文件夹下新建一个index.js文件
//引入路由器
import router from './router/index'
// 引入状态管理
import store from './utils/store'

//引入qs模块发送post
import qs from 'qs'

Vue.prototype.$qs = qs

import SIdentify from "@/view/code/identify";

Vue.use(SIdentify)
// 过滤器
import * as custom from './utils/util'

// 二维码生成器
import VueQriously from 'vue-qriously'

Vue.use(VueQriously)
Vue.config.silent = true

// 设置全局变量
Vue.prototype.$baseImagePath = 'http://192.168.229.141'
//this.$baseImagePath直接引用
//把axios挂载到vue上
Vue.prototype.$axios = axios;
//使用Vue.use来注册安装插件
Vue.use(VueRouter)
Vue.use(router)
Vue.use(VueAxios, axios)
//使用ElementUI组件库
Vue.use(ElementUI)
//关闭Vue的生产提示
Vue.config.productionTip = false

Object.keys(custom).forEach(key => {
  Vue.filter(key, custom[key])
})

// 创建和挂载根实例
new Vue({
  store, //使用store vuex状态管理
  router, //将路由器注入到new Vue实例中,建立关联
  render: h => h(App), //将App组件放入容器中
  data: {
    // 空的实例放到根组件下,所有的子组件都能调用
    Bus: new Vue()
  }
}).$mount('#app');

7.9.效果展示

分布式文件系统 SpringBoot+FastDFS+Vue.js【三】,vue,springboot,spring boot,vue.js
分布式文件系统 SpringBoot+FastDFS+Vue.js【三】,vue,springboot,spring boot,vue.js

分布式文件系统 SpringBoot+FastDFS+Vue.js【三】,vue,springboot,spring boot,vue.js

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