zoukankan      html  css  js  c++  java
  • SpringMVC+Mybatis框架搭建

    一、新建javaweb项目,并建好相应的包结构

    二、添加项目jar到lib目录下

    三、在config包中新建配置文件
    sping-mvc.xml,内容如下:

    <?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-4.0.xsd
    	http://www.springframework.org/schema/mvc
    	http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
    
    	<!-- 注解扫描包 -->
    	<context:component-scan base-package="com.hyg.im" />
    
    	<!-- 开启注解 -->
    	<mvc:annotation-driven />
    </beans>
    

    spring-common.xml内容如下:

    <?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:p="http://www.springframework.org/schema/p"
    	xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
    	xsi:schemaLocation="
    		http://www.springframework.org/schema/beans
    		http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
    		http://www.springframework.org/schema/context
    		http://www.springframework.org/schema/context/spring-context-4.0.xsd
    		http://www.springframework.org/schema/tx
    		http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">
    
    	<!-- 1. 数据源 : DriverManagerDataSource -->
    	<bean id="dataSource"
    		class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    		<property name="driverClassName" value="com.mysql.jdbc.Driver" />
    		<property name="url" value="jdbc:mysql://localhost:3306/test" />
    		<property name="username" value="root" />
    		<property name="password" value="123456" />
    	</bean>
    
    	<!--
    		2. mybatis的SqlSession的工厂: SqlSessionFactoryBean dataSource:引用数据源
    		MyBatis定义数据源,同意加载配置
    	-->
    	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    		<property name="dataSource" ref="dataSource"></property>
    	</bean>
    
    	<!--
    		3. mybatis自动扫描加载Sql映射文件/接口 : MapperScannerConfigurer sqlSessionFactory
    
    		basePackage:指定sql映射文件/接口所在的包(自动扫描)
    	-->
    	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    		<property name="basePackage" value="com.hyg.im.mapper"></property>
    		<property name="sqlSessionFactory" ref="sqlSessionFactory"></property>
    	</bean>
    
    	<!--
    		4. 事务管理 : DataSourceTransactionManager dataSource:引用上面定义的数据源
    	-->
    	<bean id="txManager"
    		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    		<property name="dataSource" ref="dataSource"></property>
    	</bean>
    
    	<!-- 5. 使用声明式事务
    		 transaction-manager:引用上面定义的事务管理器
    	 -->
    	<tx:annotation-driven transaction-manager="txManager" />
    
    </beans>
    

    四、配置web.xml,内容如下:

    <?xml version="1.0" encoding="UTF-8"?>
    <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    
    	<!-- 加载Spring容器配置 -->
    	<listener>
    	<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    	</listener>
    	<!-- 设置Spring容器加载所有的配置文件的路径 -->
    	<context-param>
    		<param-name>contextConfigLocation</param-name>
    		<param-value>classpath*:config/spring-*.xml</param-value>
    	</context-param>
    
    	<!-- 配置SpringMVC核心控制器 -->
    	<servlet>
    		<servlet-name>springMVC</servlet-name>
    		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    		<!-- 配置初始配置化文件,前面contextConfigLocation看情况二选一 -->  
    		<init-param>
    			<param-name>contextConfigLocation</param-name>
    			<param-value>classpath*:config/spring-mvc.xml</param-value>
    		</init-param>
    		<!-- 启动加载一次 -->  
    		<load-on-startup>1</load-on-startup>
    	</servlet>
    
    	<!--为DispatcherServlet建立映射 -->
    	<servlet-mapping>
    		<servlet-name>springMVC</servlet-name>
    		<!-- 此处可以可以配置成*.do,对应struts的后缀习惯 -->
    		<url-pattern>/</url-pattern>
    	</servlet-mapping>
    	<servlet-mapping>
    		<servlet-name>default</servlet-name>
    		<url-pattern>*.html</url-pattern>
    	</servlet-mapping>
    	<servlet-mapping>
    		<servlet-name>default</servlet-name>
    		<url-pattern>*.gif</url-pattern>
    	</servlet-mapping>
    	<servlet-mapping>
    		<servlet-name>default</servlet-name>
    		<url-pattern>*.css</url-pattern>
    	</servlet-mapping>
    	<servlet-mapping>
    		<servlet-name>default</servlet-name>
    		<url-pattern>*.js</url-pattern>
    	</servlet-mapping>
    	<servlet-mapping>
    		<servlet-name>default</servlet-name>
    		<url-pattern>*.jpg</url-pattern>
    	</servlet-mapping>
    	<servlet-mapping>
    		<servlet-name>default</servlet-name>
    		<url-pattern>*.png</url-pattern>
    	</servlet-mapping>
    
    	<!-- 防止Spring内存溢出监听器 -->
    	<listener>
    	<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
    	</listener>
    
    	<!-- 解决工程编码过滤器 -->
    	<filter>
    		<filter-name>encodingFilter</filter-name>
    	<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    		<init-param>
    			<param-name>encoding</param-name>
    			<param-value>UTF-8</param-value>
    		</init-param>
    		<init-param>
    			<param-name>forceEncoding</param-name>
    			<param-value>true</param-value>
    		</init-param>
    	</filter>
    	<filter-mapping>
    		<filter-name>encodingFilter</filter-name>
    		<url-pattern>/*</url-pattern>
    	</filter-mapping>
    	<welcome-file-list>
    		<welcome-file>login.jsp</welcome-file>
    	</welcome-file-list>
    </web-app>
    

    五、在mysql中创建数据库test,并新建表user_info,字段如下

    向user_info中添加几条数据,如下

    六、用mybatis生成工具,生成实体类、映射文件
    实体类UserInfo.java代码如下:

    package com.hyg.im.model;
    
    import java.util.Date;
    
    public class UserInfo {
        private Integer userId;
    
        private String userName;
    
        private String password;
    
        private String trueName;
    
        private Date addedTime;
    
        public Integer getUserId() {
            return userId;
        }
    
        public void setUserId(Integer userId) {
            this.userId = userId;
        }
    
        public String getUserName() {
            return userName;
        }
    
        public void setUserName(String userName) {
            this.userName = userName == null ? null : userName.trim();
        }
    
        public String getPassword() {
            return password;
        }
    
        public void setPassword(String password) {
            this.password = password == null ? null : password.trim();
        }
    
        public String getTrueName() {
            return trueName;
        }
    
        public void setTrueName(String trueName) {
            this.trueName = trueName == null ? null : trueName.trim();
        }
    
        public Date getAddedTime() {
            return addedTime;
        }
    
        public void setAddedTime(Date addedTime) {
            this.addedTime = addedTime;
        }
    }
    

    UserInfoMapper.java代码如下:

    package com.hyg.im.mapper;
    
    import com.hyg.im.model.UserInfo;
    
    public interface UserInfoMapper {
        int deleteByPrimaryKey(Integer userId);
    
        int insert(UserInfo record);
    
        int insertSelective(UserInfo record);
    
        UserInfo selectByPrimaryKey(Integer userId);
    
        int updateByPrimaryKeySelective(UserInfo record);
    
        int updateByPrimaryKey(UserInfo record);
    }
    

    UserInfoMapper.xml代码如下:

    <?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.hyg.im.mapper.UserInfoMapper" >
      <resultMap id="BaseResultMap" type="com.hyg.im.model.UserInfo" >
        <id column="userId" property="userId" jdbcType="INTEGER" />
        <result column="userName" property="userName" jdbcType="VARCHAR" />
        <result column="password" property="password" jdbcType="VARCHAR" />
        <result column="trueName" property="trueName" jdbcType="VARCHAR" />
        <result column="addedTime" property="addedTime" jdbcType="DATE" />
      </resultMap>
      <sql id="Base_Column_List" >
        userId, userName, password, trueName, addedTime
      </sql>
      <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >
        select 
        <include refid="Base_Column_List" />
        from user_info
        where userId = #{userId,jdbcType=INTEGER}
      </select>
      <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >
        delete from user_info
        where userId = #{userId,jdbcType=INTEGER}
      </delete>
      <insert id="insert" parameterType="com.hyg.im.model.UserInfo" >
        insert into user_info (userId, userName, password, 
          trueName, addedTime)
        values (#{userId,jdbcType=INTEGER}, #{userName,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR}, 
          #{trueName,jdbcType=VARCHAR}, #{addedTime,jdbcType=DATE})
      </insert>
      <insert id="insertSelective" parameterType="com.hyg.im.model.UserInfo" >
        insert into user_info
        <trim prefix="(" suffix=")" suffixOverrides="," >
          <if test="userId != null" >
            userId,
          </if>
          <if test="userName != null" >
            userName,
          </if>
          <if test="password != null" >
            password,
          </if>
          <if test="trueName != null" >
            trueName,
          </if>
          <if test="addedTime != null" >
            addedTime,
          </if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides="," >
          <if test="userId != null" >
            #{userId,jdbcType=INTEGER},
          </if>
          <if test="userName != null" >
            #{userName,jdbcType=VARCHAR},
          </if>
          <if test="password != null" >
            #{password,jdbcType=VARCHAR},
          </if>
          <if test="trueName != null" >
            #{trueName,jdbcType=VARCHAR},
          </if>
          <if test="addedTime != null" >
            #{addedTime,jdbcType=DATE},
          </if>
        </trim>
      </insert>
      <update id="updateByPrimaryKeySelective" parameterType="com.hyg.im.model.UserInfo" >
        update user_info
        <set >
          <if test="userName != null" >
            userName = #{userName,jdbcType=VARCHAR},
          </if>
          <if test="password != null" >
            password = #{password,jdbcType=VARCHAR},
          </if>
          <if test="trueName != null" >
            trueName = #{trueName,jdbcType=VARCHAR},
          </if>
          <if test="addedTime != null" >
            addedTime = #{addedTime,jdbcType=DATE},
          </if>
        </set>
        where userId = #{userId,jdbcType=INTEGER}
      </update>
      <update id="updateByPrimaryKey" parameterType="com.hyg.im.model.UserInfo" >
        update user_info
        set userName = #{userName,jdbcType=VARCHAR},
          password = #{password,jdbcType=VARCHAR},
          trueName = #{trueName,jdbcType=VARCHAR},
          addedTime = #{addedTime,jdbcType=DATE}
        where userId = #{userId,jdbcType=INTEGER}
      </update>
    </mapper>
    

    注意:UserInfoMapper.java和UserInfoMapper.xml的文件名需要一样,并放入包com.hyg.im.mapper中,UserInfo.java放入包com.hyg.im.model中
    七、添加业务层方法,查询所有用户信息
    接口UserInfoService.java代码如下:

    package com.hyg.im.service;
    import java.util.List;
    import com.hyg.im.model.UserInfo;
    
    public interface UserInfoService {
    	/**
    	 * 查询所有用户信息
    	 */
    	List<UserInfo> findUserInfoList();
    }
    

    接口实现类UserInfoServiceImpl.java代码如下:

    package com.hyg.im.service.impl;
    import java.util.List;
    import javax.annotation.Resource;
    import org.springframework.stereotype.Service;
    import org.springframework.transaction.annotation.Transactional;
    import com.hyg.im.mapper.UserInfoMapper;
    import com.hyg.im.model.UserInfo;
    import com.hyg.im.service.UserInfoService;
    
    @Service
    @Transactional  //此处不再进行创建SqlSession和提交事务,都已交由spring去管理了。
    public class UserInfoServiceImpl implements UserInfoService {
    	@Resource
    	private UserInfoMapper mapper;
    
    	@Override
    	public List<UserInfo> findUserInfoList() {
    		return mapper.findUserInfoList();
    	}
    
    }
    

    八、添加Dao层方法
    UserInfoMapper.java中同样加入 findUserInfoList()接口
    代码如下:

    List<UserInfo> findUserInfoList();
    

    UserInfoMapper.xml中加入查询sql语句与之对应

      <select id="findUserInfoList" resultMap="BaseResultMap" parameterType="map" >
        select 
        <include refid="Base_Column_List" />
        from user_info
      </select>
    

    九、添加controller层代码
    在包com.hyg.im.controller中新建UserInfoController.java,代码如下:

    package com.hyg.im.controller;
    import java.util.List;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.servlet.ModelAndView;
    import com.hyg.im.model.UserInfo;
    import com.hyg.im.service.UserInfoService;
    
    @Controller
    //@RequestMapping("/user")
    public class UserInfoController{
    
    	@Autowired
    	private UserInfoService userInfoService;
    	/**
    	 * 查询用户列表
    	 */
    	@RequestMapping("/findUserInfoList")
    	public ModelAndView findUserInfoList(HttpServletRequest request,HttpServletResponse response){
    		ModelAndView mav = new ModelAndView();  
            mav.setViewName("/userInfoList.jsp"); //返回的文件路径
    
            List<UserInfo> userInfoList = userInfoService.findUserInfoList();
            mav.addObject("userInfoList", userInfoList);
            return mav;
    		
    	}
    	
    }
    

    十、添加view视图层代码
    在WebContent根目录新建文件userInfoList.jsp,用于展示用户数据,代码如下:

    <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%>
    <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>   
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>用户列表</title>
    </head>
    <body>
    
    <table border="1">
     <tr>
      <td>用户ID</td><td>用户名</td><td>真实姓名</td>
     </tr>
     <c:forEach var="row" items="${userInfoList}">
     <tr>
      <td>${row.userId }</td><td>${row.userName }</td><td>${row.trueName}</td>
     </tr>
     </c:forEach>
    </table>
    
    </body>
    </html>
    

    十一、发布项目到Tomcat
    项目右键/Run As/Run On Server,将项目发布到Tomcat
    十二、浏览器访问,查看效果
    访问地址:http://localhost:8080/ssm/findUserInfoList

    到此,springmvc+spring+mybatis框架搭建成功。
    项目最终的目录结构如下图:

  • 相关阅读:
    【Codeforces Round #645 (Div. 2) A】 Park Lighting
    【Codeforces Round #636 (Div. 3) D】Constant Palindrome Sum
    【Codeforces Round #628 (Div. 2) D】Ehab the Xorcist
    【Codeforces Round #642 (Div. 3)】Constructing the Array
    【LeetCode 85】最大矩形(第二遍)
    scrum例会报告+燃尽图02
    scrum例会报告+燃尽图01
    版本控制报告
    Scrum立会报告+燃尽图 07
    Scrum立会报告+燃尽图 05
  • 原文地址:https://www.cnblogs.com/dreamboy/p/10383526.html
Copyright © 2011-2022 走看看