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SSM项目框架_ssm框架项目

作者：AllinToyou | 2024-03-06 16:19:00

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ssm框架项目

项目开发步骤：

1.需求分析

2.设计数据库CRUD

3.业务实现

4.前端界面

环境：

  • IDEA

  • MySQL 5.7.19

  • Tomcat 9

  • Maven 3.6

  • 业务层——Spring
  • 表现层——SpringMVC
  • 持久层——MyBatis

一、设计数据库

  1. CREATE DATABASE `ssmbuild`;
  2.  
  3. USE `ssmbuild`;
  4.  
  5. DROP TABLE IF EXISTS `books`;
  6.  
  7. CREATE TABLE `books` (
  8. `bookID` INT(10) NOT NULL AUTO_INCREMENT COMMENT '书id',
  9. `bookName` VARCHAR(100) NOT NULL COMMENT '书名',
  10. `bookCounts` INT(11) NOT NULL COMMENT '数量',
  11. `detail` VARCHAR(200) NOT NULL COMMENT '描述',
  12. KEY `bookID` (`bookID`)
  13. ) ENGINE=INNODB DEFAULT CHARSET=utf8
  14.  
  15. INSERT  INTO `books`(`bookID`,`bookName`,`bookCounts`,`detail`)VALUES
  16. (1,'Java',1,'从入门到放弃'),
  17. (2,'MySQL',10,'从删库到跑路'),
  18. (3,'Linux',5,'从入门到入门');

二、搭建环境

1.新建Maven项目

2.导入相关的pom依赖

  1. <dependencies>
  2.    <!--Junit-->
  3.    <dependency>
  4.        <groupId>junit</groupId>
  5.        <artifactId>junit</artifactId>
  6.        <version>4.12</version>
  7.    </dependency>
  8.    <!--数据库驱动-->
  9.    <dependency>
  10.        <groupId>mysql</groupId>
  11.        <artifactId>mysql-connector-java</artifactId>
  12.        <version>5.1.47</version>
  13.    </dependency>
  14.    <!-- 数据库连接池 -->
  15.    <dependency>
  16.        <groupId>com.mchange</groupId>
  17.        <artifactId>c3p0</artifactId>
  18.        <version>0.9.5.2</version>
  19.    </dependency>
  20.  
  21.    <!--Servlet - JSP -->
  22.    <dependency>
  23.        <groupId>javax.servlet</groupId>
  24.        <artifactId>servlet-api</artifactId>
  25.        <version>2.5</version>
  26.    </dependency>
  27.    <dependency>
  28.        <groupId>javax.servlet.jsp</groupId>
  29.        <artifactId>jsp-api</artifactId>
  30.        <version>2.2</version>
  31.    </dependency>
  32.    <dependency>
  33.        <groupId>javax.servlet</groupId>
  34.        <artifactId>jstl</artifactId>
  35.        <version>1.2</version>
  36.    </dependency>
  37.  
  38.    <!--Mybatis-->
  39.    <dependency>
  40.        <groupId>org.mybatis</groupId>
  41.        <artifactId>mybatis</artifactId>
  42.        <version>3.5.2</version>
  43.    </dependency>
  44.    <dependency>
  45.        <groupId>org.mybatis</groupId>
  46.        <artifactId>mybatis-spring</artifactId>
  47.        <version>2.0.2</version>
  48.    </dependency>
  49.  
  50.    <!--Spring-->
  51.    <dependency>
  52.        <groupId>org.springframework</groupId>
  53.        <artifactId>spring-webmvc</artifactId>
  54.        <version>5.1.9.RELEASE</version>
  55.    </dependency>
  56.    <dependency>
  57.        <groupId>org.springframework</groupId>
  58.        <artifactId>spring-jdbc</artifactId>
  59.        <version>5.1.9.RELEASE</version>
  60.    </dependency>
  61. </dependencies>

3.Maven资源过滤设置

  1. <build>
  2.    <resources>
  3.        <resource>
  4.            <directory>src/main/java</directory>
  5.            <includes>
  6.                <include>**/*.properties</include>
  7.                <include>**/*.xml</include>
  8.            </includes>
  9.            <filtering>false</filtering>
  10.        </resource>
  11.        <resource>
  12.            <directory>src/main/resources</directory>
  13.            <includes>
  14.                <include>**/*.properties</include>
  15.                <include>**/*.xml</include>
  16.            </includes>
  17.            <filtering>false</filtering>
  18.        </resource>
  19.    </resources>
  20. </build>

4.建立基本结构和配置框架

  • com.example.pojo

  • com.example.dao

  • com.example.service

  • com.example.controller

  • resources下的：

  • mybatis-config.xml

    1. <?xml version="1.0" encoding="UTF-8" ?>
    2. <!DOCTYPE configuration
    3.        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
    4.        "http://mybatis.org/dtd/mybatis-3-config.dtd">
    5. <configuration>
    6.  
    7. </configuration>

    applicationContext.xml

    1. <?xml version="1.0" encoding="UTF-8"?>
    2. <beans xmlns="http://www.springframework.org/schema/beans"
    3.       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    4.       xsi:schemaLocation="http://www.springframework.org/schema/beans
    5.        http://www.springframework.org/schema/beans/spring-beans.xsd">
    6.  
    7. </beans>

三、 Mybatis层编写

1.数据库配置文件

database.properties

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

2.MyBatis核心配置文件

mybatis-config.xml

  1. <?xml version="1.0" encoding="UTF-8" ?>
  2. <!DOCTYPE configuration
  3.        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
  4.        "http://mybatis.org/dtd/mybatis-3-config.dtd">
  5. <configuration>
  6.    
  7.    <typeAliases>
  8.        <package name="com.kuang.pojo"/>
  9.    </typeAliases>
  10.    <mappers>
  11.        <mapper resource="com/kuang/dao/BookMapper.xml"/>
  12.    </mappers>
  13.  
  14. </configuration>

3.编写数据库对应的实体类

com.example.pojo.Books

  1. package com.example.pojo;
  2.  
  3. import lombok.AllArgsConstructor;
  4. import lombok.Data;
  5. import lombok.NoArgsConstructor;
  6. //使用lombok插件
  7. @Data
  8. @AllArgsConstructor
  9. @NoArgsConstructor
  10. public class Books {
  11.    private int bookID;
  12.    private String bookName;
  13.    private int bookCounts;
  14.    private String detail;
  15.    
  16. }

4.编写Dao层的 Mapper接口

  1. package com.example.dao;
  2.  
  3. import com.kuang.pojo.Books;
  4. import java.util.List;
  5.  
  6. public interface BookMapper {
  7.  
  8.    //增加一个Book
  9.    int addBook(Books book);
  10.  
  11.    //根据id删除一个Book
  12.    int deleteBookById(int id);
  13.  
  14.    //更新Book
  15.    int updateBook(Books books);
  16.  
  17.    //根据id查询,返回一个Book
  18.    Books queryBookById(int id);
  19.  
  20.    //查询全部Book,返回list集合
  21.    List<Books> queryAllBook();
  22.  
  23. }

5.编写接口对应的 Mapper.xml 文件（需要导入MyBatis的包）

  1. <?xml version="1.0" encoding="UTF-8" ?>
  2. <!DOCTYPE mapper
  3.        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
  4.        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
  5.  
  6. <mapper namespace="com.example.dao.BookMapper">
  7.  
  8.    <!--增加一个Book-->
  9.    <insert id="addBook" parameterType="Books">
  10.       insert into ssmbuild.books(bookName,bookCounts,detail)
  11.       values (#{bookName}, #{bookCounts}, #{detail})
  12.    </insert>
  13.  
  14.    <!--根据id删除一个Book-->
  15.    <delete id="deleteBookById" parameterType="int">
  16.       delete from ssmbuild.books where bookID=#{bookID}
  17.    </delete>
  18.  
  19.    <!--更新Book-->
  20.    <update id="updateBook" parameterType="Books">
  21.       update ssmbuild.books
  22.       set bookName = #{bookName},bookCounts = #{bookCounts},detail = #{detail}
  23.       where bookID = #{bookID}
  24.    </update>
  25.  
  26.    <!--根据id查询,返回一个Book-->
  27.    <select id="queryBookById" resultType="Books">
  28.       select * from ssmbuild.books
  29.       where bookID = #{bookID}
  30.    </select>
  31.  
  32.    <!--查询全部Book-->
  33.    <select id="queryAllBook" resultType="Books">
  34.       SELECT * from ssmbuild.books
  35.    </select>
  36.  
  37. </mapper>

6.Service层的接口和实现类

  1. package com.example.service;
  2. import com.example.pojo.Books;
  3. import java.util.List;
  4.  
  5. //BookService:底下需要去实现,调用dao层
  6. public interface BookService {
  7.    //增加一个Book
  8.    int addBook(Books book);
  9.    //根据id删除一个Book
  10.    int deleteBookById(int id);
  11.    //更新Book
  12.    int updateBook(Books books);
  13.    //根据id查询,返回一个Book
  14.    Books queryBookById(int id);
  15.    //查询全部Book,返回list集合
  16.    List<Books> queryAllBook();
  17. }
  1. package com.example.service;
  2. import com.example.dao.BookMapper;
  3. import com.example.pojo.Books;
  4. import java.util.List;
  5.  
  6. public class BookServiceImpl implements BookService {
  7.  
  8.    //调用dao层的操作，设置一个set接口，方便Spring管理
  9.    private BookMapper bookMapper;
  10.  
  11.    public void setBookMapper(BookMapper bookMapper) {
  12.        this.bookMapper = bookMapper;
  13.   }
  14.    
  15.    public int addBook(Books book) {
  16.        return bookMapper.addBook(book);
  17.   }
  18.    
  19.    public int deleteBookById(int id) {
  20.        return bookMapper.deleteBookById(id);
  21.   }
  22.    
  23.    public int updateBook(Books books) {
  24.        return bookMapper.updateBook(books);
  25.   }
  26.    
  27.    public Books queryBookById(int id) {
  28.        return bookMapper.queryBookById(id);
  29.   }
  30.    
  31.    public List<Books> queryAllBook() {
  32.        return bookMapper.queryAllBook();
  33.   }
  34. }

四、Spring层

（数据源使用c3p0连接池）

1.Spring容器整合Mybatis的配置文件

spring-dao.xml

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.       xmlns:context="http://www.springframework.org/schema/context"
  5.       xsi:schemaLocation="http://www.springframework.org/schema/beans
  6.        http://www.springframework.org/schema/beans/spring-beans.xsd
  7.        http://www.springframework.org/schema/context
  8.        https://www.springframework.org/schema/context/spring-context.xsd">
  9.  
  10.    <!-- 配置整合mybatis -->
  11.    <!-- 1.关联数据库文件 -->
  12.    <context:property-placeholder location="classpath:database.properties"/>
  13.  
  14.    <!-- 2.数据库连接池 -->
  15.    <!--数据库连接池
  16.        dbcp 半自动化操作 不能自动连接
  17.        c3p0 自动化操作（自动的加载配置文件 并且设置到对象里面）
  18.    -->
  19.    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
  20.        <!-- 配置连接池属性 -->
  21.        <property name="driverClass" value="${jdbc.driver}"/>
  22.        <property name="jdbcUrl" value="${jdbc.url}"/>
  23.        <property name="user" value="${jdbc.username}"/>
  24.        <property name="password" value="${jdbc.password}"/>
  25.  
  26.        <!-- c3p0连接池的私有属性 -->
  27.        <property name="maxPoolSize" value="30"/>
  28.        <property name="minPoolSize" value="10"/>
  29.        <!-- 关闭连接后不自动commit -->
  30.        <property name="autoCommitOnClose" value="false"/>
  31.        <!-- 获取连接超时时间 -->
  32.        <property name="checkoutTimeout" value="10000"/>
  33.        <!-- 当获取连接失败重试次数 -->
  34.        <property name="acquireRetryAttempts" value="2"/>
  35.    </bean>
  36.  
  37.    <!-- 3.配置SqlSessionFactory对象 -->
  38.    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
  39.        <!-- 注入数据库连接池 -->
  40.        <property name="dataSource" ref="dataSource"/>
  41.        <!-- 配置MyBaties全局配置文件:mybatis-config.xml -->
  42.        <property name="configLocation" value="classpath:mybatis-config.xml"/>
  43.    </bean>
  44.  
  45.    <!-- 4.配置扫描Dao接口包，动态实现Dao接口注入到spring容器中 -->
  46.    <!--解释 ：https://www.cnblogs.com/jpfss/p/7799806.html-->
  47.    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
  48.        <!-- 注入sqlSessionFactory -->
  49.        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
  50.        <!-- 给出需要扫描Dao接口包 -->
  51.        <property name="basePackage" value="com.example.dao"/>
  52.    </bean>
  53.  
  54. </beans>

2.Spring整合service层

spring-service.xml

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.       xmlns:context="http://www.springframework.org/schema/context"
  5.       xsi:schemaLocation="http://www.springframework.org/schema/beans
  6.    http://www.springframework.org/schema/beans/spring-beans.xsd
  7.    http://www.springframework.org/schema/context
  8.    http://www.springframework.org/schema/context/spring-context.xsd">
  9.  
  10.    <!-- 扫描service相关的bean -->
  11.    <context:component-scan base-package="com.example.service" />
  12.  
  13.    <!--BookServiceImpl注入到IOC容器中-->
  14.    <bean id="BookServiceImpl" class="com.kuang.service.BookServiceImpl">
  15.        <property name="bookMapper" ref="bookMapper"/>
  16.    </bean>
  17.  
  18.    <!-- 配置事务管理器 -->
  19.    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
  20.        <!-- 注入数据库连接池 -->
  21.        <property name="dataSource" ref="dataSource" />
  22.    </bean>
  23.  
  24. </beans>

五、SpringMVC层

web.xml

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
  3.         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
  5.         version="4.0">
  6.  
  7.    <!--DispatcherServlet-->
  8.    <servlet>
  9.        <servlet-name>DispatcherServlet</servlet-name>
  10.        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  11.        <init-param>
  12.            <param-name>contextConfigLocation</param-name>
  13.            <!--一定要注意:我们这里加载的是总的配置文件，之前被这里坑了！-->  
  14.            <param-value>classpath:applicationContext.xml</param-value>
  15.        </init-param>
  16.        <load-on-startup>1</load-on-startup>
  17.    </servlet>
  18.    <servlet-mapping>
  19.        <servlet-name>DispatcherServlet</servlet-name>
  20.        <url-pattern>/</url-pattern>
  21.    </servlet-mapping>
  22.  
  23.    <!--encodingFilter-->
  24.    <filter>
  25.        <filter-name>encodingFilter</filter-name>
  26.        <filter-class>
  27.           org.springframework.web.filter.CharacterEncodingFilter
  28.        </filter-class>
  29.        <init-param>
  30.            <param-name>encoding</param-name>
  31.            <param-value>utf-8</param-value>
  32.        </init-param>
  33.    </filter>
  34.    <filter-mapping>
  35.        <filter-name>encodingFilter</filter-name>
  36.        <url-pattern>/*</url-pattern>
  37.    </filter-mapping>
  38.    
  39.    <!--Session过期时间-->
  40.    <session-config>
  41.        <session-timeout>15</session-timeout>
  42.    </session-config>
  43.    
  44. </web-app>

spring-mvc.xml

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.       xmlns:context="http://www.springframework.org/schema/context"
  5.       xmlns:mvc="http://www.springframework.org/schema/mvc"
  6.       xsi:schemaLocation="http://www.springframework.org/schema/beans
  7.    http://www.springframework.org/schema/beans/spring-beans.xsd
  8.    http://www.springframework.org/schema/context
  9.    http://www.springframework.org/schema/context/spring-context.xsd
  10.    http://www.springframework.org/schema/mvc
  11.    https://www.springframework.org/schema/mvc/spring-mvc.xsd">
  12.  
  13.    <!-- 配置SpringMVC -->
  14.    <!-- 1.开启SpringMVC注解驱动 -->
  15.    <mvc:annotation-driven />
  16.    <!-- 2.静态资源默认servlet配置-->
  17.    <mvc:default-servlet-handler/>
  18.  
  19.    <!-- 3.配置jsp 显示ViewResolver视图解析器 -->
  20.    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
  21.        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
  22.        <property name="prefix" value="/WEB-INF/jsp/" />
  23.        <property name="suffix" value=".jsp" />
  24.    </bean>
  25.  
  26.    <!-- 4.扫描web相关的bean -->
  27.    <context:component-scan base-package="com.example.controller" />
  28.  
  29. </beans>

Spring配置整合

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <beans xmlns="http://www.springframework.org/schema/beans"
  3.       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4.       xsi:schemaLocation="http://www.springframework.org/schema/beans
  5.        http://www.springframework.org/schema/beans/spring-beans.xsd">
  6.  
  7.    <import resource="spring-dao.xml"/>
  8.    <import resource="spring-service.xml"/>
  9.    <import resource="spring-mvc.xml"/>
  10.    
  11. </beans>

 六、Controller层

BookController

1.查询所有书籍

  1. @Controller
  2. @RequestMapping("/book")
  3. public class BookController {
  4.  
  5.    @Autowired
  6.    @Qualifier("BookServiceImpl")
  7.    private BookService bookService;
  8.  
  9.    @RequestMapping("/allBook")
  10.    public String list(Model model) {
  11.        List<Books> list = bookService.queryAllBook();
  12.        model.addAttribute("list", list);
  13.        return "allBook";
  14.   }
  15. }

2.添加书籍

  1. @RequestMapping("/toAddBook")
  2. public String toAddPaper() {
  3.    return "addBook";
  4. }
  5.  
  6. @RequestMapping("/addBook")
  7. public String addPaper(Books books) {
  8.    System.out.println(books);
  9.    bookService.addBook(books);
  10.    return "redirect:/book/allBook";
  11. }

3.修改书籍

  1. @RequestMapping("/toUpdateBook")
  2. public String toUpdateBook(Model model, int id) {
  3.    Books books = bookService.queryBookById(id);
  4.    System.out.println(books);
  5.    model.addAttribute("book",books );
  6.    return "updateBook";
  7. }
  8.  
  9. @RequestMapping("/updateBook")
  10. public String updateBook(Model model, Books book) {
  11.    System.out.println(book);
  12.    bookService.updateBook(book);
  13.    Books books = bookService.queryBookById(book.getBookID());
  14.    model.addAttribute("books", books);
  15.    return "redirect:/book/allBook";
  16. }

4.删除书籍

  1. @RequestMapping("/del/{bookId}")
  2. public String deleteBook(@PathVariable("bookId") int id) {
  3.    bookService.deleteBookById(id);
  4.    return "redirect:/book/allBook";
  5. }

 七、表现层

1.首页 index.jsp

  1. <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
  2. <!DOCTYPE HTML>
  3. <html>
  4. <head>
  5.    <title>首页</title>
  6.    <style type="text/css">
  7.        a {
  8.            text-decoration: none;
  9.            color: black;
  10.            font-size: 18px;
  11.       }
  12.        h3 {
  13.            width: 180px;
  14.            height: 38px;
  15.            margin: 100px auto;
  16.            text-align: center;
  17.            line-height: 38px;
  18.            background: deepskyblue;
  19.            border-radius: 4px;
  20.       }
  21.    </style>
  22. </head>
  23. <body>
  24.  
  25. <h3>
  26.    <a href="${pageContext.request.contextPath}/book/allBook">点击进入列表页</a>
  27. </h3>
  28. </body>
  29. </html>

2.列表页面 allbook.jsp

  1. <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
  2. <%@ page contentType="text/html;charset=UTF-8" language="java" %>
  3. <html>
  4. <head>
  5.    <title>书籍列表</title>
  6.    <meta name="viewport" content="width=device-width, initial-scale=1.0">
  7.    <!-- 引入 Bootstrap -->
  8.    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
  9. </head>
  10. <body>
  11.  
  12. <div class="container">
  13.  
  14.    <div class="row clearfix">
  15.        <div class="col-md-12 column">
  16.            <div class="page-header">
  17.                <h1>
  18.                    <small>书籍列表 —— 显示所有书籍</small>
  19.                </h1>
  20.            </div>
  21.        </div>
  22.    </div>
  23.  
  24.    <div class="row">
  25.        <div class="col-md-4 column">
  26.            <a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">新增</a>
  27.        </div>
  28.    </div>
  29.  
  30.    <div class="row clearfix">
  31.        <div class="col-md-12 column">
  32.            <table class="table table-hover table-striped">
  33.                <thead>
  34.                <tr>
  35.                    <th>书籍编号</th>
  36.                    <th>书籍名字</th>
  37.                    <th>书籍数量</th>
  38.                    <th>书籍详情</th>
  39.                    <th>操作</th>
  40.                </tr>
  41.                </thead>
  42.  
  43.                <tbody>
  44.                <c:forEach var="book" items="${requestScope.get('list')}">
  45.                    <tr>
  46.                        <td>${book.getBookID()}</td>
  47.                        <td>${book.getBookName()}</td>
  48.                        <td>${book.getBookCounts()}</td>
  49.                        <td>${book.getDetail()}</td>
  50.                        <td>
  51.                            <a href="${pageContext.request.contextPath}/book/toUpdateBook?id=${book.getBookID()}">更改</a> |
  52.                            <a href="${pageContext.request.contextPath}/book/del/${book.getBookID()}">删除</a>
  53.                        </td>
  54.                    </tr>
  55.                </c:forEach>
  56.                </tbody>
  57.            </table>
  58.        </div>
  59.    </div>
  60. </div>

3.添加页面：addBook.jsp

  1. <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
  2. <%@ page contentType="text/html;charset=UTF-8" language="java" %>
  3.  
  4. <html>
  5. <head>
  6.    <title>新增书籍</title>
  7.    <meta name="viewport" content="width=device-width, initial-scale=1.0">
  8.    <!-- 引入 Bootstrap -->
  9.    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
  10. </head>
  11. <body>
  12. <div class="container">
  13.  
  14.    <div class="row clearfix">
  15.        <div class="col-md-12 column">
  16.            <div class="page-header">
  17.                <h1>
  18.                    <small>新增书籍</small>
  19.                </h1>
  20.            </div>
  21.        </div>
  22.    </div>
  23.    <form action="${pageContext.request.contextPath}/book/addBook" method="post">
  24.       书籍名称：<input type="text" name="bookName"><br><br><br>
  25.       书籍数量：<input type="text" name="bookCounts"><br><br><br>
  26.       书籍详情：<input type="text" name="detail"><br><br><br>
  27.        <input type="submit" value="添加">
  28.    </form>
  29.  
  30. </div>

4.修改页面  updateBook.jsp

  1. <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
  2. <%@ page contentType="text/html;charset=UTF-8" language="java" %>
  3. <html>
  4. <head>
  5.    <title>修改信息</title>
  6.    <meta name="viewport" content="width=device-width, initial-scale=1.0">
  7.    <!-- 引入 Bootstrap -->
  8.    <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
  9. </head>
  10. <body>
  11. <div class="container">
  12.  
  13.    <div class="row clearfix">
  14.        <div class="col-md-12 column">
  15.            <div class="page-header">
  16.                <h1>
  17.                    <small>修改信息</small>
  18.                </h1>
  19.            </div>
  20.        </div>
  21.    </div>
  22.  
  23.    <form action="${pageContext.request.contextPath}/book/updateBook" method="post">
  24.        <input type="hidden" name="bookID" value="${book.getBookID()}"/>
  25.       书籍名称：<input type="text" name="bookName" value="${book.getBookName()}"/>
  26.       书籍数量：<input type="text" name="bookCounts" value="${book.getBookCounts()}"/>
  27.       书籍详情：<input type="text" name="detail" value="${book.getDetail() }"/>
  28.        <input type="submit" value="提交"/>
  29.    </form>
  30.  
  31. </div>

 八、项目结构

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