ssm简易整合

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来自狂神

目录
ssm简易整合
java代码
controller
dao
pojo
service
resource文件
applicationContext.xml
database.properties
mybatis-config.xml
spring-mvc.xml
springservice.xml
srping-dao.xml
jsp文件
addBook.jsp
allBook.jsp
updateBook.jsp
web.xml
pom.xml
依赖：
静态资源过滤

ssm简易整合

java代码

controller

BookController类

package com.yc.controller;

import com.yc.pojo.Books;
import com.yc.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.ArrayList;
import java.util.List;

/**
 * @author yc_ on 2021/11/11.
 * @version 1.0
 */
@Controller@RequestMapping("/book")
public class BookController {
    //controller层调用service层

    @Autowired
    @Qualifier("bookServiceImpl")
    private BookService bookService;

    //查询全部书籍，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";
    }

    //添加书籍请求

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


    //跳转到修改书籍页面

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

    //修改书籍请求

    @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";
    }

    //删除书籍

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

    //查询书籍

    @RequestMapping("/queryBook")
    public String queryBook(String queryBookName, Model model){
        if ("".equals(queryBookName)){
            return "redirect:/book/allBook";
        }
        Books books = bookService.queryBookByName(queryBookName);
        List<Books> list = new ArrayList<>();
        list.add(books);
        model.addAttribute("list",list);
        return "allBook";
    }

}

dao

BookMapper类

package com.yc.dao;

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

import java.util.List;

/**
 * @author yc_ on 2021/11/11.
 * @version 1.0
 */
public interface BookMapper {
    /**
     * 增加一本书
     * @param book
     * @return
     */
    int addBook(Books book);


    /**
     * 删除一本书
     * @param id
     * @return
     */
    int deleteBookByID(@Param("bookID") int id);


    /**
     * 更新一本书
     * @param book
     * @return
     */
    int updateBook(Books book);


    /**
     * 查询一本书
     * @param id
     * @return
     */
    Books queryBookByID(@Param("bookID") int id);


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

    /**
     * 通过名字查询书籍
     * @param bookName
     * @return
     */
    Books queryBookByName(@Param("bookName") String bookName);
}

BookMapper.xml bookMapper.对应文件

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.yc.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" resultType="Books">
        select *
        from ssmbuild.books
        where bookID = #{bookID};
    </select>
    
    <select id="queryAllBook" resultType="Books">
        select *
        from ssmbuild.books;
    </select>

    <select id="queryBookByName" resultType="Books">
        select *
        from ssmbuild.books
        where bookName = #{bookName};
    </select>
</mapper>

pojo

Books类

package com.yc.pojo;

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

/**
 * @author yc_ on 2021/11/10.
 * @version 1.0
 */

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

service

BookService类

package com.yc.service;

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

import java.util.List;

/**
 * @author yc_ on 2021/11/11.
 * @version 1.0
 */
public interface BookService {
    /**
     * 增加一本书
     * @param book
     * @return
     */
    int addBook(Books book);


    /**
     * 删除一本书
     * @param id
     * @return
     */
    int deleteBookByID(int id);


    /**
     * 更新一本书
     * @param book
     * @return
     */
    int updateBook(Books book);


    /**
     * 查询一本书
     * @param id
     * @return
     */
    Books queryBookByID(int id);


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

    /**
     * 通过名字查询书籍
     * @param bookName
     * @return
     */
    Books queryBookByName(String bookName);
}

BookServiceImpl实现类

package com.yc.service;

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

import java.util.List;

/**
 * @author yc_ on 2021/11/11.
 * @version 1.0
 */
public class BookServiceImpl implements BookService{
    private BookMapper bookMapper;

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

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

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

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

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

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

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

resource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="srping-dao.xml"/>
    <import resource="springservice.xml"/>
    <import resource="spring-mvc.xml"/>

</beans>

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

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>
<!--    配置数据源 交给spring去做-->

<!--    <settings>-->
<!--        <setting name="logImpl" value="STDOUT_LOGGING"/>-->
<!--    </settings>-->
    <typeAliases>
        <package name="com.yc.pojo"/>
    </typeAliases>

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

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">
<!--    注解驱动-->
    <mvc:annotation-driven/>

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

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

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

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

<!--    将所有业务类注入到spring，配置或注解-->
    <bean id="bookServiceImpl" class="com.yc.service.BookServiceImpl">
        <property name="bookMapper" ref="bookMapper"/>
    </bean>

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

<!--    aop事务支持-->
</beans>

srping-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">

<!--    关联数据库文件-->
    <context:property-placeholder location="classpath:database.properties"/>
<!--    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，并且自动设置到对象中
    druid
    hikari
-->
    <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}"/>

        <!-- 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>
<!--    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dao接口扫描包，动态实现dao接口注入到spring容器-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--        注入SQLSessionFactory-->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!--        要扫描的dao包-->
        <property name="basePackage" value="com.yc.dao"/>
    </bean>
</beans>

jsp文件

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 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-header">
            <h1>
               <small>新增书籍</small>
            </h1>
         </div>
      </div>
   </div>
   <form action="${pageContext.request.contextPath}/book/addBook" method="post">
      书籍名称：<input type="text" name="bookName" required><br><br><br>
      书籍数量：<input type="text" name="bookCounts" required><br><br><br>
      书籍详情：<input type="text" name="detail" required><br><br><br>
      <input type="submit" value="添加">
   </form>
</div>
</body>
</html>

allBook.jsp

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"  %>
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<html>
<head>
   <title>书籍展示</title>
   <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<%--   bootstrap美化界面--%>
   <style>
        a{
            text-decoration: none;
            color: black;
            font-size: 18px;
        }
   </style>
</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 - 显示所有数据</small>
            </h1>
         </div>
      </div>

      <div class="row">
<%--         toAddBook--%>
         <div class="col-md-4 column">
            <a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">新增书籍</a>
            <a class="btn btn-primary" href="${pageContext.request.contextPath}/book/allBook">显示全部书籍</a>
         </div><div class="col-md-4 column"></div>
         <div class="col-md-4 column">
            <%--查询书籍--%>
            <form action="${pageContext.request.contextPath}/book/queryBook" method="post" style="right: auto" class="form-inline">
               <input type="text" name="queryBookName" class="form-control" placeholder="请输入要查询书籍的名称" style="width: 200px">
               <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>书籍名称</th>
                  <th>书籍数量</th>
                  <th>书籍详情</th>
                  <th>操作</th>
               </tr>
            </thead>
<%--            书籍从数据库中查询出来，从这个list中遍历出来 foreach--%>
            <tbody>
               <c:if test="${not empty list}" >
                  <c:forEach var="book" items="${list}">
                     <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}">删除</a>
                        </td>
                     </tr>
                  </c:forEach>
               </c:if>
            </tbody>
         </table>
      </div>
   </div>
</div>
</body>
</html>

updateBook.jsp

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
   <title>修改信息</title>
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <!-- 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-header">
            <h1>
               <small>修改信息</small>
            </h1>
         </div>
      </div>
   </div>
   <form action="${pageContext.request.contextPath}/book/updateBook" method="post">
      <input type="hidden" name="bookID" value="${book.bookID}"/>
      书籍名称：<input type="text" name="bookName" value="${book.bookName}"/>
      书籍数量：<input type="text" name="bookCounts" value="${book.bookCounts}"/>
      书籍详情：<input type="text" name="detail" value="${book.detail}"/>
      <input type="submit" value="提交"/>
   </form>
</div>
</body>
</html>

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>springMVC</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>springMVC</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
<!--  乱码过滤-->
  <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-config>
    <session-timeout>15</session-timeout>
  </session-config>
</web-app>

pom.xml

依赖：

<dependencies>
    <!--Junit-->
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
    </dependency>
    <!--数据库驱动-->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.25</version>
    </dependency>
    <!-- 数据库连接池 -->
    <dependency>
      <groupId>com.mchange</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.5.2</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>5.3.12</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>5.3.12</version>
    </dependency>
<!--    lombok-->
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>1.18.12</version>
    </dependency>
  </dependencies>

静态资源过滤

<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>

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Java教程

ssm简易整合

ssm简易整合

java代码

controller

dao

pojo

service

resource文件

applicationContext.xml

database.properties

mybatis-config.xml

spring-mvc.xml

springservice.xml

srping-dao.xml

jsp文件

addBook.jsp

allBook.jsp

updateBook.jsp

web.xml

pom.xml

依赖：

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