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整合SSM框架 – 第一个SSM项目

学完MyBatis、Spring、SpringMVC，做一个基于SSM框架的基础项目–书籍管理系统，要求可以实现数据的增删改查，业务运行逻辑明了，分层开发，用来巩固学习

目标：

配置SSM框架
实现基础的增删改查功能
具备后续方便的拓展功能
界面设计整洁

最终效果：

全部书籍页面
新增书籍页面
查询书籍页面

环境：

开发环境

环境：

IDEA 2021.2.1
MySQL 8
Tomcat 9
Maven 3.8

数据库环境

创建一个存放书籍数据的数据库表

数据库ssmbuild 书籍信息表books 主键bookID自动增长所有字段都不能为空

CREATE
    DATABASE `ssmbuild`;

USE
    `ssmbuild`;

-- 创建图书表
CREATE TABLE `books`
(
    `bookID`     INT(10)      NOT NULL AUTO_INCREMENT COMMENT '图书ID',
    `bookName`   VARCHAR(100) NOT NULL COMMENT '书名',
    `bookCounts` INT(11)      NOT NULL COMMENT '数量',
    `detail`     VARCHAR(200) NOT NULL COMMENT '描述',
    KEY `bookID` (`bookID`)
) ENGINE = INNODB
  DEFAULT CHARSET = utf8;

-- 插入数据
INSERT INTO `books`(`bookID`, `bookName`, `bookCounts`, `detail`)
VALUES (1, 'JAVA', 34, '从入门到放弃'),
       (2, 'MySQL', 23, '从删库到跑路'),
       (3, 'Linux', 33, '从进门到进牢')

基本环境搭建

项目结构

整合SSM框架 -- 简单基础SSM项目

项目搭建

新建一个Maven项目 ssmbuild ，添加JavaWeb框架的支持

在pom文件中导入所需依赖

<dependencies>
    <!--junit-->
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.13.2</version>
    </dependency>
    <!--数据库驱动-->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>8.0.26</version>
    </dependency>
    <!--数据库连接池: c3p0-->
    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>0.9.5.5</version>
    </dependency>

    <!--Servlet / JSP-->
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>servlet-api</artifactId>
        <version>2.5</version>
    </dependency>
    <dependency>
        <groupId>javax.servlet.jsp</groupId>
        <artifactId>jsp-api</artifactId>
        <version>2.2</version>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>jstl</artifactId>
        <version>1.2</version>
    </dependency>

    <!--MyBatis-->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis</artifactId>
        <version>3.5.7</version>
    </dependency>
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis-spring</artifactId>
        <version>2.0.6</version>
    </dependency>

    <!--Spring-->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>5.3.11</version>
    </dependency>
    <!--spring操作数据库，还需要spring-jdbc-->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>5.3.11</version>
    </dependency>

    <!--AOP切入包-->
    <dependency>
        <groupId>org.aspectj</groupId>
        <artifactId>aspectjweaver</artifactId>
        <version>1.9.7</version>
    </dependency>

    <!--lombok-->
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <version>1.18.22</version>
    </dependency>
    <!--log4j-->
    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>1.2.17</version>
    </dependency>
</dependencies>

整合SSM框架 -- 简单基础SSM项目

配置项目依赖

Maven资源过滤设置

<!--在build中配置resources 来防止资源导出失败的问题-->
<build>
    <resources>
        <resource>
            <directory>src/main/java</directory>
            <includes>
                <include>**/*.properties</include>
                <include>**/*.xml</include>
            </includes>
            <filtering>false</filtering>
        </resource>
        <resource>
            <directory>src/main/resources</directory>
            <includes>
                <include>**/*.properties</include>
                <include>**/*.xml</include>
            </includes>
            <filtering>false</filtering>
        </resource>
    </resources>
</build>

建立基本结构和配置框架

编写java代码

编写数据库对应的实体类 pojo.Books.java (注：这里使用了Lombok插件)

@Data
@AllArgsConstructor
@NoArgsConstructor
public class Books {

    private int bookID;
    private String bookName;
    private int bookCounts;
    private String detail;

}

编写Mapper接口 mapper/BookMapper.java

public interface BookMapper {

    // 增加
    int insertBook(Books books);

    // 删除
    int deleteBook(@Param("bookId") int id);

    // 修改
    int updateBook(Books books);

    // ID查询
    Books queryBookById(int id);

    // 查询全部
    List<Books> queryAllBook();

    // 模糊查询
    List<Books> queryBookName(@Param("bookName") String bookName);

}

编写Mapper接口对应的XML文件

<?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.codeonce.mapper.BookMapper">

    <!--增加-->
    <insert id="insertBook" parameterType="Books">
        INSERT INTO ssmbuild.books(bookName, bookCounts, detail)
        VALUES (#{bookName}, #{bookCounts}, #{detail});
    </insert>

    <!--删除-->
    <delete id="deleteBook" parameterType="int">
        DELETE
        FROM ssmbuild.books
        WHERE bookID = #{bookId};
    </delete>

    <!--修改-->
    <update id="updateBook" parameterType="Books">
        UPDATE ssmbuild.books
        SET bookName=#{bookName},
            bookCounts=#{bookCounts},
            detail=#{detail}
        WHERE bookID = #{bookID};
    </update>

    <!--根据ID查询-->
    <select id="queryBookById" resultType="Books">
        SELECT *
        FROM ssmbuild.books
        WHERE bookID = #{bookId};
    </select>

    <!--查询全部-->
    <select id="queryAllBook" resultType="Books">
        SELECT *
        FROM ssmbuild.books;
    </select>

    <!--模糊查询-->
    <select id="queryBookName" resultType="Books">
        SELECT *
        FROM ssmbuild.books
        WHERE bookName LIKE CONCAT('%', #{bookName}, '%');
    </select>
</mapper>

编写Service层接口 service/BookService.java

public interface BookService {

    // 增加
    int insertBook(Books books);

    // 删除
    int deleteBook(@Param("bookId") int id);

    // 修改
    int updateBook(Books books);

    // ID查询
    Books queryBookById(int id);

    // 查询全部
    List<Books> queryAllBook();

    // 查询全部
    List<Books> queryBookName(String bookName);
}

编写Service层接口实现类 service/BookServiceImpl.java

public class BookServiceImpl implements BookService {
    // 配置LOG4J
    private static final Logger logger = Logger.getLogger(BookServiceImpl.class);

    // service调用mapper层
    private BookMapper bookMapper;

    public void setBookMapper(BookMapper bookMapper) {
        this.bookMapper = bookMapper;
    }

    @Override
    public int insertBook(Books books) {
        return bookMapper.insertBook(books);
    }

    @Override
    public int deleteBook(int id) {
        return bookMapper.deleteBook(id);
    }

    @Override
    public int updateBook(Books books) {
        return bookMapper.updateBook(books);
    }

    @Override
    public Books queryBookById(int id) {
        return bookMapper.queryBookById(id);
    }

    @Override
    public List<Books> queryAllBook() {
        return bookMapper.queryAllBook();
    }

    @Override
    public List<Books> queryBookName(String bookName) {
        return bookMapper.queryBookName(bookName);
    }
}

编写控制层 controller/BookController.java

import com.codeonce.pojo.Books;
import com.codeonce.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;

import java.util.List;

@Controller
@RequestMapping("/book")
public class BookController {

    // controller 调用 service层
    @Autowired
    @Qualifier("BookServiceImpl")
    private BookService bookService;

    // 查询全部的书籍,并且返回到一书籍展示的页面
    @RequestMapping("/allBook")
    public String queryAll(Model model) {
        List<Books> booksList = bookService.queryAllBook();
        model.addAttribute("booksList", booksList);
        return "allBook";
    }

    // 跳转到增加书籍页面
    @RequestMapping("/toAddBook")
    public String toAddBookPaper() {
        return "addBook";
    }

    // 添加书籍的请求
    @RequestMapping("/addBook")
    public String insertBook(Books books) {
        System.out.println("addBook=>" + books);
        int result = bookService.insertBook(books);
        if (result > 0) {
            System.out.println("添加数据成功" + books);
        }
        return "redirect:/book/allBook";
    }

    // 跳转到修改书籍页面
    @RequestMapping("/toUpdateBook/{bookID}")
    public String toUpdateBookPaper(@PathVariable("bookID") int id, Model model) {
        Books books = bookService.queryBookById(id);
        model.addAttribute("books", books);
        return "updateBook";
    }

    // 修改书籍请求
    @RequestMapping("/updateBook")
    public String updateBook(Books books) {
        System.out.println("updateBook=>" + books);
        int result = bookService.updateBook(books);
        if (result > 0) {
            System.out.println("修改数据成功" + books);
        }
        return "redirect:/book/allBook";
    }

    // 删除书籍请求
    @RequestMapping("/deleteBook/{bookID}")
    public String deleteBook(@PathVariable("bookID") int id) {
        int result = bookService.deleteBook(id);
        if (result > 0) {
            System.out.println("删除数据成功" + id);
        }
        return "redirect:/book/allBook";
    }

    // 查询书籍
    @RequestMapping("/queryBook")
    public String queryBook(String bookName, Model model) {
        // bookName = "%" + bookName + "%";
        List<Books> booksList = bookService.queryBookName(bookName);
        System.err.println("queryBook" + booksList);
        model.addAttribute("booksList", booksList);
        return "allBook";
    }

}

配置文件

数据库参数配置文件 resources/database.properties

jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
jdbc.username=root
jdbc.password=admin

LOG4J日志配置文件 resources/log4j.properties

# 将等级为DEBUG的日志信息输出到console和file这两个目的地，console和file的定义在下面的代码
log4j.rootLogger=DEBUG,console,file
# 控制台输出的相关设置
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.Target=System.out
log4j.appender.console.Threshold=DEBUG
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=[%c]-%m%n
log4j.appender.Console.encoding=UTF-8
# 文件输出的相关设置
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.File=./log/com.mydemo.log
log4j.appender.file.MaxFileSize=10mb
log4j.appender.file.Threshold=DEBUG
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=[%p][%d{yyyy-MM-dd}][%c]%m%n
log4j.appender.file.encoding=UTF-8
# 日志输出级别
log4j.logger.org.mybatis=DEBUG
log4j.logger.java.sql=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.ResultSet=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG

写dao层操作配置文件 resources/spring-dao.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
            https://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context-4.0.xsd">

    <!--1.关联数据库配置文件-->
    <context:property-placeholder location="classpath:database.properties"/>

    <!--2.连接池
        dbcp:  半自动化操作,不能自动连接
        c3p0:  自动化操作,自动化的加载配置文件,并且可以自动设置到对象中
    -->

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <!-- 配置连接池属性 -->
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>

        <!-- c3p0连接池的私有属性 -->
        <property name="maxPoolSize" value="30"/>
        <property name="minPoolSize" value="10"/>
        <!-- 关闭连接后不自动commit -->
        <property name="autoCommitOnClose" value="false"/>
        <!-- 获取连接超时时间 -->
        <property name="checkoutTimeout" value="10000"/>
        <!-- 当获取连接失败重试次数 -->
        <property name="acquireRetryAttempts" value="2"/>
    </bean>
    
    <!--
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <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>-->

    <!--3.SqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <!--绑定MyBatis配置文件-->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>

    <!--配置Mapper接口扫描包,动态的实现了Mapper接口可以注入的Spring容器中-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--注入sqlSessionFactory-->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <!--要扫描的Mapper包-->
        <property name="basePackage" value="com.codeonce.mapper"/>
    </bean>

</beans>

写service层操作配置文件 resources/spring-service.xml

<?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:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       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/aop
           https://www.springframework.org/schema/aop/spring-aop.xsd
           http://www.springframework.org/schema/tx
           http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!--1.扫描service下的包-->
    <context:component-scan base-package="com.codeonce.service"/>

    <!--2.将我们所有的业务类注入到Spring,可以通过配置或注解实现-->
    <bean id="BookServiceImpl" class="com.codeonce.service.BookServiceImpl">
        <property name="bookMapper" ref="bookMapper"/>
    </bean>

    <!--3.声明式事务配置-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!--注入数据源-->
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!--4.AOP事务支持-->
    <!--结合AOP实现事务的织入-->
    <!--配置事务通知-->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <!--给那些方法配置事务-->
        <!--配置事务的传播特性：new propagation-->
        <tx:attributes>
            <tx:method name="*" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice>

    <!--配置事务切入-->
    <aop:config>
        <!--定义切入点-->
        <aop:pointcut id="txPointCut" expression="execution(* com.codeonce.mapper.*.*(..))"/>
        <!--配置切入位置-->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointCut"/>
    </aop:config>

</beans>

写MVC操作配置文件 resources/spring-mvc.xml

<?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
       https://www.springframework.org/schema/context/spring-context.xsd
       http://www.springframework.org/schema/mvc
       https://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!--1.解锁驱动-->
    <mvc:annotation-driven/>

    <!--2.静态资源过滤-->
    <mvc:default-servlet-handler/>

    <!--3.扫描包: controller-->
    <context:component-scan base-package="com.codeonce.controller"/>

    <!--4.视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="viewResolver">
        <!--前缀-->
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <!--后缀-->
        <property name="suffix" value=".jsp"/>
    </bean>

</beans>

mybatis框架配置 resources/mybatis-config.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration PUBLIC "-//mybatis.ory//DTD Config 3.0//EN" "htpp://mybatis.org/dtd/mybatis-3-config.dtd">
<!--mybatis的主配置文件-->
<configuration>

    <!--设置-->
    <settings>
        <!--LOG4j日志工厂实现-->
        <setting name="logImpl" value="STDOUT_LOGGING"/>
        <!--<setting name="logImpl" value="LOG4J"/>-->
    </settings>

    <!--别名-->
    <typeAliases>
        <typeAlias type="com.codeonce.pojo.Books" alias="Books"/>
    </typeAliases>

    <mappers>
        <mapper class="com.codeonce.mapper.BookMapper"/>
    </mappers>

</configuration>

导入所有配置文件 resources/applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns="http://www.springframework.org/schema/beans"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
            https://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/context
            https://www.springframework.org/schema/context/spring-context.xsd">

    <!--开启注解的支持-->
    <context:annotation-config/>

    <import resource="classpath:spring-dao.xml"/>
    <import resource="classpath:spring-service.xml"/>
    <import resource="classpath:spring-mvc.xml"/>

</beans>

在web.xml 中绑定配置 web/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">

    <!--配置DispatchServlet：这个是SpringMVC的核心：请求分发器、前端控制器-->
    <servlet>
        <servlet-name>DispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--DispatchServlet要绑定SpringMVC的配置文件-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:applicationContext.xml</param-value>
        </init-param>
        <!--启动级别 数字越小启动越快-->
        <load-on-startup>1</load-on-startup>
    </servlet>

    <!--
        在SpringMVC中/和/*的区别
        /:  只匹配所有的请求，不会去匹配JSP页面
        /*: 只匹配所有的请求，包括JSP页面
    -->
    <servlet-mapping>
        <servlet-name>DispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!--配置SpringMVC的乱码过滤器-->
    <filter>
        <filter-name>encodingFilter</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>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!--Session-->
    <session-config>
        <session-timeout>15</session-timeout>
    </session-config>

</web-app>

JSP页面

index.jsp 跳转页面 web/index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>

<html>
<head>
    <title>跳转页面</title>
    <style>
        a {
            text-decoration: none;
            color: black;
            font-size: 18px;
        }

        h3 {
            width: 180px;
            height: 38px;
            margin: 100px auto;
            text-align: center;
            line-height: 38px;
            background: deepskyblue;
            border-radius: 4px;
        }
    </style>
</head>
<body>

<h3>
    <a href="${pageContext.request.contextPath}/book/allBook">点击进入列表页</a>
</h3>
</body>
</html>

书籍列表JSP web/WEB-INF/jsp/allBook.jsp （集成查询所有和模糊查询）

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>书籍列表</title>
    <!-- 引入 Bootstrap -->
    <link rel="stylesheet" href="${pageContext.request.contextPath}/bootstrap/css/bootstrap.min.css">

</head>

<body>

<div class="container">

    <div class="row clearfix">
        <div class="col-md-12 column">
            <div class="page-header">
                <h1>
                    <small>书籍列表 —— 显示所有书籍</small>
                </h1>
            </div>
        </div>
    </div>

    <div class="row">
        <%--新增--%>
        <div class="col-md-4 column">
            <a class="btn btn-primary" href="${pageContext.request.contextPath}/book/allBook">&nbsp;全部书籍&nbsp;</a>
            <a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">&nbsp;新增书籍&nbsp;</a>
        </div>
        <div class="col-md-4"></div>
        <%--查询--%>
        <div class="col-md-4 column" style="text-align: right">
            <form action="${pageContext.request.contextPath}/book/queryBook" method="post" class="form-inline">
                <div class="form-group">
<%--                    <span style="color: red">未查询到任何结果</span>--%>
                    <label>
                        <input type="text" class="form-control" name="bookName" placeholder="请输入要查询的书籍名称">
                    </label>
                </div>
                <button type="submit" class="btn btn-primary" style="vertical-align: top">&nbsp;查询&nbsp;</button>
            </form>
        </div>

    </div>

    <div class="row clearfix">
        <div class="col-md-12 column">
            <table class="table table-hover table-striped">
                <thead>
                <tr>
                    <th>书籍编号</th>
                    <th>书籍名字</th>
                    <th>书籍数量</th>
                    <th>书籍详情</th>
                    <th>操作</th>
                </tr>
                </thead>

                <tbody>
                <c:forEach var="book" items="${booksList}">
                    <tr>
                        <td>${book.bookID}</td>
                        <td>${book.bookName}</td>
                        <td>${book.bookCounts}</td>
                        <td>${book.detail}</td>
                        <td>
                            <a href="${pageContext.request.contextPath}/book/toUpdateBook/${book.bookID}">更改</a>
                            |
                            <a href="${pageContext.request.contextPath}/book/deleteBook/${book.bookID}">删除</a>
                        </td>
                    </tr>
                </c:forEach>
                </tbody>
            </table>
        </div>
    </div>

</div>

新增书籍页面 web/WEB-INF/jsp/addBook.jsp

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>
<head>
    <title>新增书籍</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <!-- 引入 Bootstrap -->
    <link rel="stylesheet" href="${pageContext.request.contextPath}/bootstrap/css/bootstrap.min.css">
</head>
<body>
<div class="container">

    <div class="row clearfix">
        <div class="col-md-12 column">
            <div class="page-header">
                <h1>
                    <small>新增书籍</small>
                </h1>
            </div>
        </div>
    </div>
    <form action="${pageContext.request.contextPath}/book/addBook" method="post">
        <div class="form-group">
            <label for="bookName">书籍名称:</label>
            <input type="text" class="form-control" id="bookName" name="bookName" required>
        </div>
        <div class="form-group">
            <label for="bookCounts">书籍数量:</label>
            <input type="text" class="form-control" id="bookCounts" name="bookCounts" required>
        </div>
        <div class="form-group">
            <label for="detail">书籍描述:</label>
            <input type="text" class="form-control" id="detail" name="detail" required>
        </div>
        <div class="form-group">
            <input type="submit" class="form-control btn-primary" value="添加">
        </div>
    </form>

</div>
</body>
</html>

更新书籍JSP页面 web/WEB-INF/jsp/updateBook.jsp （此处可以使用新增书籍页面复用）文章来源地址https://www.toymoban.com/news/detail-478583.html

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>
<head>
    <title>修改书籍</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <!-- 引入 Bootstrap -->
    <link rel="stylesheet" href="${pageContext.request.contextPath}/bootstrap/css/bootstrap.min.css">
</head>
<body>
<div class="container">

    <div class="row clearfix">
        <div class="col-md-12 column">
            <div class="page-header">
                <h1>
                    <small>修改书籍</small>
                </h1>
            </div>
        </div>
    </div>
    <form action="${pageContext.request.contextPath}/book/updateBook" method="post">
        <div class="form-group">
            <label for="bookName">书籍名称:</label>
            <input type="text" class="form-control" id="bookName" name="bookName" required value="${books.bookName}">
        </div>
        <div class="form-group">
            <label for="bookCounts">书籍数量:</label>
            <input type="text" class="form-control" id="bookCounts" name="bookCounts" required value="${books.bookCounts}">
        </div>
        <div class="form-group">
            <label for="detail">书籍描述:</label>
            <input type="text" class="form-control" id="detail" name="detail" required value="${books.detail}">
        </div>
        <div class="form-group">
            <input type="hidden" value="${books.bookID}" name="bookID">
            <input type="submit" class="form-control btn-primary" value="修改">
        </div>
    </form>

</div>
</body>
</html>