8、SpringMVC：整合SSM

时间：2020-05-31 11:15:51 阅读：61 评论：0 收藏：0 [点我收藏+]

标签：学习 actor list exp 重要 src nts 连接超时 nsa

引用学习

环境要求

环境：

IDEA
MySQL 5.7.19
Tomcat 9
Maven 3.6

要求：

需要熟练掌握MySQL数据库，Spring，JavaWeb及MyBatis知识，简单的前端知识；

数据库环境

创建一个存放书籍数据的数据库表

CREATE DATABASE `ssmbuild`;

USE `ssmbuild`;

DROP TABLE IF EXISTS `books`;

CREATE TABLE `books` (
  `bookID` INT(10) NOT NULL AUTO_INCREMENT COMMENT ‘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;

INSERT  INTO `books`(`bookID`,`bookName`,`bookCounts`,`detail`)VALUES 
(1,‘Java‘,1,‘从入门到放弃‘),
(2,‘MySQL‘,10,‘从删库到跑路‘),
(3,‘Linux‘,5,‘从进门到进牢‘);

基本环境搭建

1、新建一Maven项目！ ssmbuild ，添加web的支持

2、导入相关的pom依赖！

<dependencies>
    <!-- Spring -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>5.2.6.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>5.2.6.RELEASE</version>
    </dependency>

    <!-- MyBaits -->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis</artifactId>
        <version>3.5.3</version>
    </dependency>
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis-spring</artifactId>
        <version>2.0.3</version>
    </dependency>

    <!-- 数据库启动 -->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.47</version>
    </dependency>
    <!-- c3p0连接池 -->
    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>0.9.5.2</version>
    </dependency>

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

    <!-- 工具类 -->
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <version>1.18.12</version>
    </dependency>
</dependencies>

3、Maven资源过滤设置

<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>

4、建立基本结构和配置框架！

com.zxh.pojo
com.zxh.mapper
com.zxh.service
com.zxh.controller
mybatis-config.xml

<?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>

</configuration>

applicationContext.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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd">

</beans>

注解版

配置版过于繁琐，实际使用不会使用配置版。

Mybatis层编写

1、数据库配置文件 database.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=123456

2、IDEA关联数据库

3、编写MyBatis的核心配置文件

<?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>
    <typeAliases>
        <package name="com.zxh.pojo"/>
    </typeAliases>
</configuration>

4、编写数据库对应的实体类 com.zxh.pojo.Books

使用lombok插件！

package com.zxh.pojo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class Books {
    
    private int bookID;
    private String bookName;
    private int bookCounts;
    private String detail;
    
}

5、编写Dao层的 Mapper接口！

package com.zxh.mapper;

import com.zxh.pojo.Books;
import java.util.List;

public interface BookMapper {

    //增加一个Book
    int addBook(Books book);

    //根据id删除一个Book
    int deleteBookById(int id);

    //更新Book
    int updateBook(Books books);

    //根据id查询,返回一个Book
    Books queryBookById(int id);

    //根据name模糊查询Book
    List<Books> queryBookByName(String name);

    //查询全部Book,返回list集合
    List<Books> queryAllBook();

}

6、编写接口对应的 Mapper.xml 文件。需要导入MyBatis的包；

<?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.zxh.mapper.BookMapper">

    <!--增加一个Book-->
    <insert id="addBook" parameterType="Books">
        insert into ssmbuild.books(bookName,bookCounts,detail)
        values (#{bookName}, #{bookCounts}, #{detail})
    </insert>

    <!--根据id删除一个Book-->
    <delete id="deleteBookById" parameterType="int">
        delete from ssmbuild.books where bookID=#{bookID}
    </delete>

    <!--更新Book-->
    <update id="updateBook" parameterType="Books">
        update ssmbuild.books
        set bookName = #{bookName},bookCounts = #{bookCounts},detail = #{detail}
        where bookID = #{bookID}
    </update>

    <!--根据id查询,返回一个Book-->
    <select id="queryBookById" resultType="Books">
        select * from ssmbuild.books
        where bookID = #{bookID}
    </select>

    <!--根据id查询,返回一个Book-->
    <select id="queryBookByName" resultType="Books">
        select * from ssmbuild.books
        where bookName like CONCAT("%", #{name}, "%")
    </select>

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

</mapper>

7、编写Service层的接口和实现类

接口：

package com.zxh.service;

import com.zxh.pojo.Books;
import java.util.List;

//BookService:底下需要去实现,调用dao层
public interface BookService {
    //增加一个Book
    int addBook(Books book);
    //根据id删除一个Book
    int deleteBookById(int id);
    //更新Book
    int updateBook(Books books);
    //根据id查询,返回一个Book
    Books queryBookById(int id);
    //根据name模糊查询Book
    List<Books> queryBookByName(String name);
    //查询全部Book,返回list集合
    List<Books> queryAllBook();
}

实现类：

package com.zxh.service.impl;

import com.zxh.mapper.BookMapper;
import com.zxh.pojo.Books;
import com.zxh.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class BookServiceImpl implements BookService {
    @Autowired
    private BookMapper bookMapper;

    public int addBook(Books book) {
        return bookMapper.addBook(book);
    }
    
    public int deleteBookById(int id) {
        return bookMapper.deleteBookById(id);
    }
    
    public int updateBook(Books books) {
        return bookMapper.updateBook(books);
    }
    
    public Books queryBookById(int id) {
        return bookMapper.queryBookById(id);
    }

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

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

OK，到此，底层需求操作编写完毕！

Spring层

1、配置Spring整合MyBatis，我们这里数据源使用c3p0连接池；

2、我们去编写Spring整合Mybatis的相关的配置文件；spring-dao.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"
       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">

    <!-- 配置整合mybatis -->
    <!-- 1.关联数据库文件 -->
    <context:property-placeholder location="classpath:db.properties"/>

    <!-- 2.数据库连接池 -->
    <!--数据库连接池
        dbcp  半自动化操作  不能自动连接
        c3p0  自动化操作（自动的加载配置文件 并且设置到对象里面）
    -->
    <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>

    <!-- 3.配置SqlSessionFactory对象 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource"/>
        <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>

    <!-- 4.配置扫描Dao接口包，动态实现Dao接口注入到spring容器中 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 注入sqlSessionFactory -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <!-- 给出需要扫描Dao接口包 -->
        <property name="basePackage" value="com.zxh.mapper"/>
    </bean>

</beans>

3、Spring整合service层

<?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"
       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">

    <!--BookServiceImpl注入到IOC容器中-->
    <context:component-scan base-package="com.zxh.service"/>

    <!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
    </bean>

</beans>

Spring层搞定！再次理解一下，Spring就是一个大杂烩，一个容器！对吧！

SpringMVC层

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">

    <!--DispatcherServlet-->
    <servlet>
        <servlet-name>DispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:applicationContext.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>DispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!--encodingFilter-->
    <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过期时间-->
    <session-config>
        <session-timeout>15</session-timeout>
    </session-config>

</web-app>

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

<!-- 配置SpringMVC -->
    <!-- 1.让SpringMVC不处理静态资源：HTML . JS . CSS . 图片 ， 视频 .....-->
    <mvc:default-servlet-handler/>
    <!-- 2.注解驱动
    支持mvc注解驱动
        在spring中一般采用@RequestMapping注解来完成映射关系
        要想使@RequestMapping注解生效
        必须向上下文中注册DefaultAnnotationHandlerMapping
        和一个AnnotationMethodHandlerAdapter实例
        这两个实例分别在类级别和方法级别处理。
        而annotation-driven配置帮助我们自动完成上述两个实例的注入。
     -->
    <mvc:annotation-driven />

    <!-- 3.配置jsp 显示ViewResolver视图解析器 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
        <property name="prefix" value="/WEB-INF/jsp/" />
        <property name="suffix" value=".jsp" />
    </bean>

    <!-- 4.扫描web相关的bean -->
    <context:component-scan base-package="com.zxh.controller" />

</beans>

Spring配置整合文件，applicationContext.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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd">

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

</beans>

配置文件，暂时结束！Controller 和视图层编写

实现业务

BookController 类编写，方法一：查询全部书籍

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

    @Autowired
    private BookService bookService;

    @RequestMapping("/allBook")
    public String list(Model model) {
        List<Books> list = bookService.queryAllBook();
        model.addAttribute("list", list);
        return "allBook";
    }
}

编写首页 index.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
  <title>首页</title>
  <style type="text/css">
    a{
      text-decoration: none;
      color: black;
      font-size: 14px;
    }
    h3{
      width: 100px;
      height: 38px;
      margin: 10px 0 0 30px;
      line-height: 38px;
      text-align: center;
      background: deepskyblue;
      border-radius: 5px;
    }
  </style>
</head>
<body>
<h3>
  <a href="${pageContext.request.contextPath}/book/allBook">进入书籍页面</a>
</h3>
</body>
</html>

书籍列表页面 allBook.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<html>
<head>
    <title>Title</title>
    <!-- 引入Bootstrap -->
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>

<div class="container">

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

        <div class="row">
            <div class="col-md-4 column">
                <a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">新增书籍</a>
            </div>
            <div class="col-md-8 column">
                <form class="form-inline" action="${pageContext.request.contextPath}/book/queryBookByName" method="post" style="float: right;">
                    <input type="text" name="name" class="form-control">
                    <input type="submit" value="查询" class="btn btn-primary">
                </form>
            </div>
        </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 items="${list}" var="book">
                    <tr>
                        <td>${book.bookID}</td>
                        <td>${book.bookName}</td>
                        <td>${book.bookCounts}</td>
                        <td>${book.detail}</td>
                        <td><a href="${pageContext.request.contextPath}/book/toUpdateBook?id=${book.bookID}">修改</a>
                            &nbsp;|&nbsp;
                            <a href="${pageContext.request.contextPath}/book/del/${book.bookID}"
                               onclick="return confirm(‘确定要删除吗?‘)">删除</a>
                        </td>
                    </tr>
                </c:forEach>
                </tbody>
            </table>
        </div>
    </div>
</div>


</body>
</html>

BookController 类编写，方法二：添加书籍

@RequestMapping("/toAddBook")
public String toAddPaper() {
    return "addBook";
}

@RequestMapping("/addBook")
public String addPaper(Books books) {
    bookService.addBook(books);
    return "redirect:/book/allBook";
}

添加书籍页面：addBook.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>增加书籍</title>
    <!-- 引入Bootstrap -->
    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>

<div class="container">

    <div class="row clearfix">
        <div class="col-md-12 column">
            <div class="page-hefader">
                <h1>
                    <small>新增书籍</small>
                </h1>
            </div>
        </div>
    </div>

    <form action="${pageContext.request.contextPath}/book/addBook" method="post">
        <div class="input-group">
            <label>书籍名称</label>
            <input type="text" class="form-control" name="bookName" required>
        </div>
        <div class="input-group">
            <label>书籍数量</label>
            <input type="text" class="form-control" name="bookCounts" required>
        </div>
        <div class="input-group">
            <label>书籍描述</label>
            <input type="text" class="form-control" name="detail" required>
        </div>
        <input type="submit" class="btn btn-primary" value="增加">
    </form>
</div>
</body>
</html>

BookController 类编写，方法三：修改书籍

@RequestMapping("/toUpdateBook")
public String toUpdateBook(Model model, int id) {
    Books books = bookService.queryBookById(id);
    model.addAttribute("book",books );
    return "updateBook";
}

@RequestMapping("/updateBook")
public String updateBook(Model model, Books book) {
    bookService.updateBook(book);
    Books books = bookService.queryBookById(book.getBookID());
    model.addAttribute("books", books);
    return "redirect:/book/allBook";
}

修改书籍页面 updateBook.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<div class="container">
    <div class="row clearfix">
        <div class="col-md-12 column">
            <div class="page-hefader">
                <h1>
                    <small>修改书籍</small>
                </h1>
            </div>
        </div>
    </div>
    <form action="${pageContext.request.contextPath}/book/updateBook" method="post">
        <input type="hidden" name="bookID" value="${book.bookID}">
        <div class="input-group">
            <label>书籍名称</label>
            <input type="text" class="form-control" value="${book.bookName}" name="bookName" required>
        </div>
        <div class="input-group">
            <label>书籍数量</label>
            <input type="text" class="form-control" value="${book.bookCounts}" name="bookCounts" required>
        </div>
        <div class="input-group">
            <label>书籍描述</label>
            <input type="text" class="form-control" value="${book.detail}" name="detail" required>
        </div>
        <input type="submit" class="btn btn-primary" value="修改">
    </form>
</div>

</body>
</html>

BookController 类编写，方法四：删除书籍

@RequestMapping("/del/{bookId}")
public String deleteBook(@PathVariable("bookId") int id) {
    bookService.deleteBookById(id);
    return "redirect:/book/allBook";
}

BookController 类编写，方法五：模糊查询书籍

@RequestMapping("/queryBookByName")
public String queryBookByName(String name, Model model){
    List<Books> books = bookService.queryBookByName(name);
    model.addAttribute("list", books);
    return "allBook";
}

配置Tomcat，进行运行！

到目前为止，这个SSM项目整合已经完全的OK了，可以直接运行进行测试！这个练习十分的重要，大家需要保证，不看任何东西，自己也可以完整的实现出来！

项目结构图

技术图片

小结及展望

这个是同学们的第一个SSM整合案例，一定要烂熟于心！

SSM框架的重要程度是不言而喻的，学到这里，大家已经可以进行基本网站的单独开发。但是这只是增删改查的基本操作。可以说学到这里，大家才算是真正的步入了后台开发的门。也就是能找一个后台相关工作的底线。

或许很多人，工作就做这些事情，但是对于个人的提高来说，还远远不够！

8、SpringMVC：整合SSM

标签：学习 actor list exp 重要 src nts 连接超时 nsa

原文地址：https://www.cnblogs.com/zxhbk/p/12996581.html

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周排行

8、SpringMVC：整合SSM

环境要求

数据库环境

基本环境搭建

注解版

Mybatis层编写

Spring层

SpringMVC层

web.xml

spring-mvc.xml

Spring配置整合文件，applicationContext.xml

实现业务

BookController 类编写 ， 方法一：查询全部书籍

编写首页 index.jsp

书籍列表页面 allBook.jsp

BookController 类编写 ， 方法二：添加书籍

添加书籍页面：addBook.jsp

BookController 类编写 ， 方法三：修改书籍

修改书籍页面 updateBook.jsp

BookController 类编写 ， 方法四：删除书籍

BookController 类编写，方法五：模糊查询书籍

项目结构图

小结及展望

BookController 类编写，方法一：查询全部书籍

BookController 类编写，方法二：添加书籍

BookController 类编写，方法三：修改书籍

BookController 类编写，方法四：删除书籍