Sprig框架集成（SSM框架） | Sping+SpringMVC+Mybatis

SSM框架

SSM是sping+springMVC+mybatis集成的框架：标准的MVC模式，整个系统划分为表现层，controller层，service层，DAO层四层

• Spring（业务层）

  Spring就像是整个项目中装配bean的大工厂，在配置文件中可以指定使用特定的参数去调用实体类的构造方法来实例化对象。也可以称之为项目中的粘合剂。

  Spring的核心思想是IoC（控制反转），即不再需要程序员去显式地new一个对象，而是让Spring框架帮你来完成这一切。

• SpringMVC（表示层）

  SpringMVC在项目中拦截用户请求，它的核心Servlet即DispatcherServlet承担中介或是前台这样的职责，将用户请求通过HandlerMapping去匹配Controller，Controller就是具体对应请求所执行的操作。SpringMVC相当于SSH框架中struts。

• Mybatis（持久层）

  mybatis是对jdbc的封装，它让数据库底层操作变的透明。mybatis的操作都是围绕一个sqlSessionFactory实例展开的。mybatis通过配置文件关联到各实体类的Mapper文件，Mapper文件中配置了每个类对数据库所需进行的sql语句映射。在每次与数据库交互时，通过sqlSessionFactory拿到一个sqlSession，再执行sql命令。

  页面发送请求给控制器，控制器调用业务层处理逻辑，逻辑层向持久层发送请求，持久层与数据库交互，后将结果返回给业务层，业务层将处理逻辑发送给控制器，控制器再调用视图展现数据

项目结构

SSM整合

Mybatis层

配置

• 数据库环境配置

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');

• pom.xml配置

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>

    <groupId>org.examplegroupId>
    <artifactId>SSMBuildartifactId>
    <version>1.0-SNAPSHOTversion>

    <properties>
        <maven.compiler.source>8maven.compiler.source>
        <maven.compiler.target>8maven.compiler.target>
    properties>

    
    <dependencies>
        
        <dependency>
            <groupId>junitgroupId>
            <artifactId>junitartifactId>
            <version>4.12version>
        dependency>
        
        <dependency>
            <groupId>mysqlgroupId>
            <artifactId>mysql-connector-javaartifactId>
            <version>5.1.49version>
        dependency>
        
        <dependency>
            <groupId>com.mchangegroupId>
            <artifactId>c3p0artifactId>
            <version>0.9.5.2version>
        dependency>
        
        <dependency>
            <groupId>javax.servletgroupId>
            <artifactId>servlet-apiartifactId>
            <version>2.5version>
        dependency>
        <dependency>
            <groupId>javax.servlet.jspgroupId>
            <artifactId>jsp-apiartifactId>
            <version>2.2version>
        dependency>
        <dependency>
            <groupId>javax.servletgroupId>
            <artifactId>jstlartifactId>
            <version>1.2version>
        dependency>

        
        <dependency>
            <groupId>org.mybatisgroupId>
            <artifactId>mybatisartifactId>
            <version>3.5.2version>
        dependency>
        <dependency>
            <groupId>org.mybatisgroupId>
            <artifactId>mybatis-springartifactId>
            <version>2.0.2version>
        dependency>

        
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-webmvcartifactId>
            <version>5.1.9.RELEASEversion>
        dependency>
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-jdbcartifactId>
            <version>5.1.9.RELEASEversion>
        dependency>

        
        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <version>1.18.24version>
        dependency>
    dependencies>

    
    <build>
        <resources>
            <resource>
                <directory>src/main/javadirectory>
                <includes>
                    <include>**/*.propertiesinclude>
                    <include>**/*.xmlinclude>
                includes>
                <filtering>falsefiltering>
            resource>
            <resource>
                <directory>src/main/resourcesdirectory>
                <includes>
                    <include>**/*.propertiesinclude>
                    <include>**/*.xmlinclude>
                includes>
                <filtering>falsefiltering>
            resource>
        resources>
    build>
project>

resources包

• mybatis-config.xml（mybatis核心配置文件）

DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    

    
    <typeAliases>
        <package name="com.wei.pojo"/>
    typeAliases>

    
    <mappers>
        <mapper class="com.wei.dao.BookMapper"/>
    mappers>
configuration>

• applicationContext.xml（spring核心配置文件）

<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>

• database.properties（核心配置文件）

jdbc.driver=com.mysql.jdbc.Driver
# 如果使用MYSQL8.0+，需要增加时区配置；&serverTimezone=Asia/Shanghai
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=root

java包

• com.wei.pojo.Books（数据库对应的实体类 ）

package com.wei.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;

}

• com.wei.dao.BookMapper（编写Dao层的 Mapper接口）

package com.wei.dao;

import com.wei.pojo.Books;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface BookMapper {

    //增加一本书
    int addBook(Books books);

    //删除一本书，@Param注解给参数命名
    int deleteBookById(@Param("bookId") int id);

    //更新一本书
    int updateBook(Books books);

    //查询一本书
    Books queryBookById(@Param("bookId") int id);

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

• com.wei.pojo.BooksMapper.xml（编写接口对应的 Mapper.xml 映射文件，导入MyBatis的包）

DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.wei.dao.BookMapper">

    <insert id="addBook" parameterType="Books">
        insert into ssmbuild.books (bookName, bookCounts, detail)
        values (#{bookName},#{bookCounts},#{detail});
    insert>

    <delete id="deleteBookById" parameterType="int">
        delete from ssmbuild.books where bookID=#{bookId}
    delete>
    
    <update id="updateBook" parameterType="Books">
        update ssmbuild.books
        set bookName=#{bookName},bookCounts=#{bookCounts},detail=#{detail}
        where bookID=#{bookID};
    update>

    <select id="queryBookById" parameterType="int" resultType="Books">
        select * from ssmbuild.books where bookID=#{bookID};
    select>

    <select id="queryAllBook" resultType="Books">
        select * from ssmbuild.books;
    select>
mapper>

• 编写Service层的接口

package com.wei.service;

import com.wei.pojo.Books;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface BookService {

    //增加一本书
    int addBook(Books books);

    //删除一本书，@Param注解给参数命名
    int deleteBookById(int id);

    //更新一本书
    int updateBook(Books books);

    //查询一本书
    Books queryBookById(int id);

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

}

• 编写Service层的实现类

package com.wei.service;

import com.wei.dao.BookMapper;
import com.wei.pojo.Books;

import java.util.List;

public class BookServiceImpl implements BookService{

     //调用dao层的操作，设置一个set接口，方便Spring管理
    private BookMapper bookMapper;
    public void setBookMapper(BookMapper bookMapper) {
        this.bookMapper = bookMapper;
    }

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

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

Spring层

resource包

• spring-dao.xml（spring整合dao层）

<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">

    
    <context:property-placeholder location="classpath:database.properties"/>

    

    

    
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>

        
        <property name="maxPoolSize" value="30"/>
        <property name="minPoolSize" value="10"/>
        
        <property name="autoCommitOnClose" value="false"/>
        
        <property name="checkoutTimeout" value="10000"/>
        
        <property name="acquireRetryAttempts" value="2"/>
    bean>


    
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        
        <property name="dataSource" ref="dataSource"/>
        
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    bean>

    
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <property name="sqlSessionTemplateBeanName" value="sqlSessionFactory"/>
        
        <property name="basePackage" value="com.wei.dao"/>
    bean>
beans>

• spring-service.xml（Spring整合service层）

<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">

    
    
    <context:component-scan base-package="com.wei.service"/>
    
    
    <bean id="BookServiceImpl" class="com.wei.service.BookServiceImpl">
        <property name="bookMapper" ref="bookMapper"/>
    bean>

    
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        
        <property name="dataSource" ref="dataSource"/>
    bean>

beans>

SpringMVC层

添加web支持

• web.xml

<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">

    
    <servlet>
        <servlet-name>springmvcservlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServletservlet-class>
        <init-param>
            <param-name>contextConfigLocationparam-name>
            <param-value>classpath:applicationContext.xmlparam-value>
        init-param>
        <load-on-startup>1load-on-startup>
    servlet>
    <servlet-mapping>
        <servlet-name>springmvcservlet-name>
        <url-pattern>/url-pattern>
    servlet-mapping>

    
    <filter>
        <filter-name>encodingFilterfilter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilterfilter-class>
        <init-param>
            <param-name>encodingparam-name>
            <param-value>utf-8param-value>
        init-param>
    filter>
    <filter-mapping>
        <filter-name>encodingFilterfilter-name>
        <url-pattern>/*url-pattern>
    filter-mapping>

    
    <session-config>
        <session-timeout>15session-timeout>
    session-config>
web-app>

• spring-mvc.xml

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

    
    <mvc:annotation-driven/>
    
    <mvc:default-servlet-handler/>
    
    <context:component-scan base-package="com.wei.controller"/>

    
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    bean>
beans>

• applicationContext.xml

<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>

查询书籍功能

• BookController.java

package com.wei.controller;

import com.wei.dao.BookMapper;
import com.wei.pojo.Books;
import com.wei.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.RequestMapping;

import java.util.List;

@Controller
@RequestMapping("/book")
public class BookController {
    //controller 调 service 层
    @Autowired
    @Qualifier("BookServiceImpl")   //指定一个唯一的bean对象注入
    private BookService bookService;

    //查询全部数据，并且返回到一个书籍展示页面
    @RequestMapping("/allBook")
    public String list(Model model){
        List<Books> list = bookService.queryAllBook();
        model.addAttribute("list",list);
        return "allBook";
    }
}

• 首页index.jsp

<%--
  Created by IntelliJ IDEA.
  User: ws199
  Date: 2022/11/28
  Time: 14:19
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>


    

    




  进入书籍页面

• 书籍列表页面allBook.jsp

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%--
  Created by IntelliJ IDEA.
  User: ws199
  Date: 2022/11/28
  Time: 15:15
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>


    
    




    

        

            

                

                    书籍列表——显示所有书籍
                
            
        
    

    

        

            
                <%--书籍从数据库中查询出来，从这个list中遍历出来：foreach--%>
                
                        

                

                    

                        
书籍编号
                        
书籍名称
                        
书籍数量
                        
书籍详细
                    
                

                    

                            
${book.bookID}
                            
${book.bookName}
                            
${book.bookCounts}
                            
${book.detail}
                        
                    
                
            
        
    

    
    

添加书籍功能

• BookController.java

package com.wei.controller;

import com.wei.dao.BookMapper;
import com.wei.pojo.Books;
import com.wei.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.RequestMapping;

import java.util.List;

@Controller
@RequestMapping("/book")
public class BookController {
    //controller 调 service 层
    @Autowired
    @Qualifier("BookServiceImpl")   //指定一个唯一的bean对象注入
    private BookService bookService;

    //查询全部数据，并且返回到一个书籍展示页面
    @RequestMapping("/allBook")
    public String list(Model model) {
        List<Books> list = bookService.queryAllBook();
        model.addAttribute("list", list);
        return "allBook";
    }

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

    //添加书籍的请求
    @RequestMapping("/addBook")
    public String addBook(Books books) {
        System.out.println("addBook:" + books);
        bookService.addBook(books);
        return "redirect:/book/allBook";       //重定向到@RequestMapping("/allBook")请求
    }
}

• addBook.jsp添加书籍页面

<%--
  Created by IntelliJ IDEA.
  User: ws199
  Date: 2022/12/1
  Time: 14:34
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>


    
    




    

        

            

                

                    新增书籍
                
            
        

        

            

                书籍名称：
                
            
            

                书籍数量：
                
            
            

                书籍描述：
                
            
            

                添加
            
        
    

    
    

修改书籍功能

• BookController.java

package com.wei.controller;

import com.wei.dao.BookMapper;
import com.wei.pojo.Books;
import com.wei.service.BookService;
import org.apache.ibatis.annotations.Param;
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 service 层
    @Autowired
    @Qualifier("BookServiceImpl")   //指定一个唯一的bean对象注入
    private BookService bookService;

    //查询全部数据，并且返回到一个书籍展示页面
    @RequestMapping("/allBook")
    public String list(Model model) {
        List<Books> list = bookService.queryAllBook();
        model.addAttribute("list", list);
        return "allBook";
    }

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

    //添加书籍的请求
    @RequestMapping("/addBook")
    public String addBook(Books books) {
        System.out.println("addBook:" + books);
        bookService.addBook(books);
        return "redirect:/book/allBook";       //重定向到@RequestMapping("/allBook")请求
    }

    //跳转到修改页面
    @RequestMapping("/toUpdate")
    public String toUpdatePaper(int id, Model model){
        Books books = bookService.queryBookById(id);
        model.addAttribute("books",books);
        return "updateBook";
    }

    //修改书籍
    @RequestMapping("/updateBook")
    public String updateBook(Books books){
        System.out.println("updateBook=>"+books);
        int i = bookService.updateBook(books);
        if (i>0){
            System.out.println("添加Books成功"+books);
        }else {
            System.out.println("添加Books失败");
        }
        return "redirect:/book/allBook";
    }
}

• updateBook.jsp修改书籍页面

<%--
  Created by IntelliJ IDEA.
  User: ws199
  Date: 2022/12/3
  Time: 14:19
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>


    
    




    

        

            

                

                    修改书籍
                
            
        

        


            <%--前端隐藏域：页面无法看见，默认提交到后台--%>
            

            

                书籍名称：
                
            
            

                书籍数量：
                
            
            

                书籍描述：
                
            
            

                修改
            
        
    

    
    

删除书籍功能

• BookController.java

package com.wei.controller;

import com.wei.dao.BookMapper;
import com.wei.pojo.Books;
import com.wei.service.BookService;
import org.apache.ibatis.annotations.Param;
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 service 层
    @Autowired
    @Qualifier("BookServiceImpl")   //指定一个唯一的bean对象注入
    private BookService bookService;

    //查询全部数据，并且返回到一个书籍展示页面
    @RequestMapping("/allBook")
    public String list(Model model) {
        List<Books> list = bookService.queryAllBook();
        model.addAttribute("list", list);
        return "allBook";
    }

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

    //添加书籍的请求
    @RequestMapping("/addBook")
    public String addBook(Books books) {
        System.out.println("addBook:" + books);
        bookService.addBook(books);
        return "redirect:/book/allBook";       //重定向到@RequestMapping("/allBook")请求
    }

    //跳转到修改页面
    @RequestMapping("/toUpdate")
    public String toUpdatePaper(int id, Model model){
        Books books = bookService.queryBookById(id);
        model.addAttribute("books",books);
        return "updateBook";
    }

    //修改书籍
    @RequestMapping("/updateBook")
    public String updateBook(Books books){
        System.out.println("updateBook=>"+books);
        int i = bookService.updateBook(books);
        if (i>0){
            System.out.println("添加Books成功"+books);
        }else {
            System.out.println("添加Books失败");
        }
        return "redirect:/book/allBook";
    }

    //删除书籍
    @RequestMapping("/deleteBook/{bookID}")
    public String deleteBook(@PathVariable("bookID") int id){
        bookService.deleteBookById(id);
        return "redirect:/book/allBook";
    }
}

搜索功能

• BookMapper.java

    //查询数据
    Books queryBooksByName(String bookName);

• BookMapper.xml

<select id="queryBooksByName" parameterType="String" resultType="Books">
    select * from ssmbuild.books where bookName like '%${bookName}%';
select>

• BookService.java

//查询数据
Books queryBooksByName(String bookName);

• BookServiceImpl.java

@Override
public Books queryBooksByName(String bookName) {
    return bookMapper.queryBooksByName(bookName);
}

• BookController.java

//查询数据
@RequestMapping("/queryBooks")
public String queryBooks(String queryBookName, Model model) {
    Books books = bookService.queryBooksByName(queryBookName);
    System.err.println("Books:" + books);
    List<Books> list = new ArrayList<Books>();
    list.add(books);
    System.out.println("queryBookName:" + queryBookName);
    if (books == null || queryBookName == null) {
        list = bookService.queryAllBook();
        model.addAttribute("Error", "未查到书籍");
    }
    
    model.addAttribute("list", list);
    return "allBook";
}

• allBook.jsp

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%--
  Created by IntelliJ IDEA.
  User: ws199
  Date: 2022/11/28
  Time: 15:15
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>


    
    




    


        

            

                

                    书籍列表——显示所有书籍
                
            
        

        

            增加书籍
            显示全部书籍
        
        

            <%--查询书籍--%>
            

                

                    ${Error}
                    
                    

                        查询
                    
                
            
        

    

    

        

            
                <%--书籍从数据库中查询出来，从这个list中遍历出来：foreach--%>
                
                    

                

                

                    
书籍编号
                    
书籍名称
                    
书籍数量
                    
书籍详细
                    
操作
                
                

                

                        
${book.bookID}
                        
${book.bookName}
                        
${book.bookCounts}
                        
${book.detail}
                        

                            修改
                              |  
                            删除