SSM整合(XML方式)

SSM整合之后xml方式

1 系统环境

1.1 软件环境

软件版本：
IDEA 2021.3
Maven 3.6.3
MySql (Mariadb) 10.10
JDK 1.8

1.2 项目环境

1、创建Maven的web工程

2、引入pom依赖

 <dependencies>
        <!--servlet的依赖-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>4.0.1</version>
            <scope>provided</scope>
        </dependency>
        
        <!--jsp的依赖-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.0</version>
        </dependency>

        <!--JSTL表达式-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!--SpringWeb-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>5.3.1</version>
        </dependency>

        <!--spring事务-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>5.3.1</version>
        </dependency>

        <!--jsckson的依赖-->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.14.2</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.14.2</version>
        </dependency>

        <!--mybatis的依赖-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.13</version>
        </dependency>
        
        <!--spring整合mybatis-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.1.1</version>
        </dependency>

        <!--mysql依赖-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.28</version>
        </dependency>
        
        <!--Spring的JDBC-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>5.3.17</version>
        </dependency>

        <!--druid连接池-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.2.16</version>
        </dependency>

        <!--单元测试-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>

        <!--lombok插件-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.28</version>
        </dependency>
    </dependencies>

3 设置插件

 <build>
        <resources>
            <resource>
                <!--所在的目录-->
                <directory>src/main/java</directory>
                <!--包括目录下的.properties .xml文件都会扫描到-->
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

1.3 配置web.xml

配置前端控制器

    <!--配置前端控制器-->
    <servlet>
        <servlet-name>myssm</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:config/springmvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>myssm</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>

注册监听器

    <!--注册监听器-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:config/applicationContext.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

注册字符过滤器，处理中文乱码

    <!--注册字符过滤器-->
    <filter>
        <filter-name>characterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceRequestEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
        <init-param>
            <param-name>forceResponseEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

1.4 配置jdbc.properties文件

jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/db002
jdbc.username=root
jdbc.password=root

1.5 配置SpringMVC核心文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
    <!--springMVC的配置文件  配置controller和其他web相关对象-->
    <!--配置扫描-->
    <context:component-scan base-package="com.hx.controller"/>
    <!--配置视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
    <!--配置注解驱动-->
    <mvc:annotation-driven></mvc:annotation-driven>
</beans>

1.6 配置Spring的核心文件

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/mvc
        https://www.springframework.org/schema/mvc/spring-mvc.xsd">

        <!--spring的配置文件，声明Service dao等工具类对象-->

    <!-- 加载配置文件 -->
    <context:property-placeholder location="classpath:config/jdbc.properties" />
    <!-- 数据库连接池 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
          destroy-method="close">
        <property name="driverClassName" value="${jdbc.driver}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
    </bean>

    <!--声明SqlSessionFactoryBean 创建 sqlSessionFactory-->
    <!-- mapper配置，mybatis的SqlSessionFactoryBean -->
    <!-- 让spring管理sqlsessionfactory 使用mybatis和spring整合包中的 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
        <!-- 加载mybatis的全局配置文件 -->
        <property name="configLocation" value="classpath:config/mybatis-config.xml" />
    </bean>

    <!--声明mybatis的扫描，创建dao对象-->
    <!-- 配置Mapper扫描器 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <property name="basePackage" value="com.hx.dao"/>
    </bean>

    <!--声明service的扫描-->
    <context:component-scan base-package="com.hx.service"/>

</beans>

1.7 配置MyBatis的核心文件

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <!--设置实体类别名-->
    <typeAliases>
        <package name="com.hx.domain"/>
    </typeAliases>

    <!--配置接口文件映射-->
    <mappers>
        <!--
            使用package要求：
                1、mapper文件名称和mapper接口名完全一致，包括大小写
                2、mapper文件和mapper接口必须在统一目录
        -->
        <package name="com.hx.dao"/>
    </mappers>
</configuration>

1.8 配置数据库

创建数据库，数据表student
表字段如下：

1.9 配置文件位置

2 编写后端代码

2.1 编写实体类

@Data
@AllArgsConstructor
@NoArgsConstructor
public class Student {
    private Integer sid;
    private String sname;
    private Integer sage;
}

2.2 编写Dao接口

@Mapper
public interface StudentDao {
    //查询所有
    List<Student> findAll();
    //新增数据
    int addStu(@Param("student") Student student);
    //删除数据
    int delStuById(Integer sid);
    //修改数据
    int updateStu(Student student);
}

2.3 编写Dao映射文件(resource目录下)

<?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.hx.dao.StudentDao">
    <!--查询所有列表-->
    <select id="findAll" resultType="Student">
        select sid, sname, sage
        from student;
    </select>
    <!--新增数据-->
    <insert id="addStu">
        insert into student
        values (#{student.sid}, #{student.sname}, #{student.sage});
    </insert>
    <!--删除数据-->
    <delete id="delStuById">
        delete
        from student
        where sid = #{sid}
    </delete>
    <!--修改数据-->
    <update id="updateStu" parameterType="Student">
        update student
        set sname=#{sname},
            sage=#{sage}
        where sid = #{sid}
    </update>
</mapper>

2.4 编写Service接口

public interface StudentService {
    //查询所有
    List<Student> selectAll();

    //插入数据
    int insertStu(Student student);

    int delStuById(Integer sid);

    int updateStu(Student student);
}

2.5 编写ServiceImpl实现类

@Service
public class StudentServiceImpl implements StudentService {

    @Autowired
    private StudentDao studentDao;

    @Override
    public List<Student> selectAll() {
        return studentDao.findAll();
    }

    @Override
    public int insertStu(Student student) {
        return studentDao.addStu(student);
    }

    @Override
    public int delStuById(Integer sid) {
        return studentDao.delStuById(sid);
    }

    @Override
    public int updateStu(Student student) {
        return studentDao.updateStu(student);
    }
}

2.6 编写Controller类

1、业务Controller

@Controller
@RequestMapping("/student")
public class StudentController {

    @Autowired
    private StudentService studentService;

    @GetMapping("/getAll.do")
    public ModelAndView getAll() {
        List<Student> list = studentService.selectAll();
        ModelAndView mv = new ModelAndView();
        mv.addObject("list", list);
        mv.setViewName("listStu");
        return mv;
    }

    @PostMapping("/add.do")
    public ModelAndView saveStu(Student student) {
        String tips = "插入失败";
        ModelAndView mv = new ModelAndView();
        int i = studentService.insertStu(student);
        if (i > 0) {
            tips = "插入成功";
        }
        mv.addObject("data1", tips);
        mv.setViewName("success");
        return mv;
    }

    @RequestMapping("/put.do")
    public ModelAndView putStu(Student student) {
        String tips = "修改失败！";
        ModelAndView mv = new ModelAndView();
        int i = studentService.updateStu(student);
        if (i > 0) {
            tips = "修改成功";
        }
        mv.addObject("data2", tips);
        mv.setViewName("success");
        return mv;
    }

    @RequestMapping(value = "/del.do")
    public ModelAndView delStu(Integer sid) {
        String tips = "删除失败！";
        ModelAndView mv = new ModelAndView();
        int i = studentService.delStuById(sid);
        if (i > 0) {
            tips = "删除成功";
        }
        mv.addObject("data3", tips);
        mv.setViewName("success");
        return mv;
    }
}

2、页面相关Controller

@RestController
@RequestMapping("/index")
public class IndexController {

    @RequestMapping("/m1Add.do")
    public ModelAndView m1Add(){
        ModelAndView mv = new ModelAndView();
        mv.setViewName("add");
        return mv;
    }
    @RequestMapping("/m2Put.do")
    public ModelAndView m2Put(){
        ModelAndView mv = new ModelAndView();
        mv.setViewName("put");
        return mv;
    }
    @RequestMapping("/m3Del.do")
    public ModelAndView m3Del(){
        ModelAndView mv = new ModelAndView();
        mv.setViewName("del");
        return mv;
    }
}

2.7 代码映射文件位置

3 编写前端代码

3.1 编写首页index.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
    <style>
        div {
            background-color: antiquewhite;
            width: 400px;
            height: 200px;
            margin: 100px auto;
            text-align: center;
            background-image: url("images/p5.jpg");
            background-repeat: no-repeat;
        }

        a {
            text-decoration: none;
            color: orange;
        }

        button {
            margin: 10px 20px;
        }
    </style>
</head>
<body>
<div>
    <h1>功能区首页</h1><br>
    <button><a href="/student/getAll.do">查询数据</a></button>

    <button><a href="/index/m1Add.do">插入数据</a></button>
    <br>
    <button><a href="/index/m2Put.do">修改数据</a></button>

    <button><a href="/index/m3Del.do">删除数据</a></button>
</div>
</body>
</html>

3.2 配置Tomcat

3.3 webapp下配置图片

3.4 编写功能页面WEB-INF下

1 编写 listStu.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%
   String basePath =
           request.getScheme() + "://" +
                   request.getServerName() + ":" +
                   request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
   <title>展示所有学生信息</title>
   <style>
       .box1 {
           width: 300px;
           height: 400px;
           text-align: center;
           margin: 10px auto;
           background-image: url("/images/p3.jpg");
           background-repeat: no-repeat;
       }
       .box2 {
           width: 80px;
           height: 25px;
           text-align: center;
           margin: 10px auto;
       }
   </style>
</head>
<body>
<div class="box1">
   <table border="1px" width="300px" height="30px" align="center" cellspacing="0" cellpadding="0">
       <caption style="font-size: 20px">学生信息表</caption>
       <tr bgcolor="#a9a9a9" text-align="center">
           <td>学号</td>
           <td>姓名</td>
           <td>年龄</td>
       </tr>
       <%--数据行--%>
       <c:forEach items="${list}" var="stu" varStatus="s">
           <tr>
               <td>${stu.sid}</td>
               <td>${stu.sname}</td>
               <td>${stu.sage}</td>
           </tr>
       </c:forEach>
   </table>
   <%--返回到首页--%>
   <div class="box2">
       <form action="<%=basePath%>index.jsp">
           <input type="submit" name="返回" value="返回功能区">
       </form>
   </div>
</div>
</body>
</html>

2 编写 add.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
    String basePath =
            request.getScheme() + "://" +
                    request.getServerName() + ":" +
                    request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
    <title>新增学生信息</title>
    <style>
        div {
            background-color: antiquewhite;
            width: 300px;
            height: 180px;
            margin: 100px auto;
            text-align: center;
            line-height: normal;
            background-image: url("/images/p1.jpg");
            background-repeat: no-repeat;
        }
        .box2 {
            width: 80px;
            height: 25px;
            text-align: center;
            margin: auto;
        }
    </style>
</head>
<body>
<div>
    <h3>新增数据</h3>
    <form action="/student/add.do" method="post">
        学号：<input type="text" name="sid" value=""><br>
        姓名：<input type="text" name="sname" value=""><br>
        年龄：<input type="text" name="sage" value=""><br>
        <input type="submit" value="添加">
        <input type="reset" value="重置">
    </form>
    <%--返回到首页--%>
    <div class="box2">
        <form action="<%=basePath%>index.jsp">
            <input type="submit" name="返回" value="返回功能区">
        </form>
    </div>
</div>
</body>
</html>

3 编写 put.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
    String basePath =
            request.getScheme() + "://" +
                    request.getServerName() + ":" +
                    request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
    <title>修改学生信息</title>
    <style>
        div {
            background-color: antiquewhite;
            width: 300px;
            height: 180px;
            margin: 100px auto;
            text-align: center;
            line-height: normal;
            background-image: url("/images/p4.jpg");
            background-repeat: no-repeat;
        }
        .box2 {
            width: 80px;
            height: 25px;
            text-align: center;
            margin: auto;
        }
    </style>
</head>
<body>
<div>
    <h3>根据学号修改数据</h3>
    <form action="/student/put.do" method="post">
        学号：<input type="text" name="sid" value=""><br>
        姓名：<input type="text" name="sname" value=""><br>
        年龄：<input type="text" name="sage" value=""><br>
        <input type="submit" value="修改">
        <input type="reset" value="重置">
    </form>
    <%--返回到首页--%>
    <div class="box2">
        <form action="<%=basePath%>index.jsp">
            <input type="submit" name="返回" value="返回功能区">
        </form>
    </div>
</div>
</body>
</html>

4 编写 del.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
    String basePath =
            request.getScheme() + "://" +
                    request.getServerName() + ":" +
                    request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
    <title>删除学生信息</title>
    <style>
        div {
            background-color: beige;
            width: 300px;
            height: 150px;
            margin: 100px auto;
            text-align: center;
            background-image: url("/images/p2.jpg");
            background-repeat: no-repeat;
        }
        .box2 {
            width: 80px;
            height: 25px;
            text-align: center;
            margin: auto;
        }
    </style>
</head>
<body>
<div>
    <h3>根据学号删除数据</h3>
    <form action="/student/del.do" method="get">
        <input type="text" placeholder="请输入学号" name="sid" value="">
        <input type="submit" value="删除">
    </form>
    <%--返回到首页--%>
    <div class="box2">
        <form action="<%=basePath%>index.jsp">
            <input type="submit" name="返回" value="返回功能区">
        </form>
    </div>
</div>
</body>
</html>

5 编写success.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%
    String basePath =
            request.getScheme() + "://" +
                    request.getServerName() + ":" +
                    request.getServerPort() + request.getContextPath() + "/";
%>
<html>
<head>
    <title>Title</title>
    <style>
        .box1{
            width: 200px;
            height: 150px;
            background-color: lightgoldenrodyellow;
            margin: 0 auto;
            text-align: center;
        }
    </style>
</head>
<body>
<div class="box1">
    <div class="box2">
        <div>插入：${data1}</div>
        <div>修改：${data2}</div>
        <div>删除：${data3}</div>
    </div>
    <%--返回到首页--%>
    <div>
        <form action="<%=basePath%>index.jsp">
            <input type="submit" name="返回" value="返回功能区">
        </form>
    </div>
</div>
</body>
</html>

4 运行访问

4.1 请求路径

首页：http://localhost:8080

4.2 增删改查界面

• 查询功能
  
• 新增功能
  
• 修改功能
  
• 删除功能
  

4.3 项目源代码

https://gitee.com/allureyu/ssm__xml.git

以上纯属个人一手编写，欢迎指教，不喜勿喷！文章来源地址https://www.toymoban.com/news/detail-649742.html

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