spring4+springmvc+mybatis+maven框架搭建

本文详细介绍如何使用SpringMVC、MyBatis和Maven搭建一个完整的Java Web应用项目,包括环境配置、项目结构设计、依赖管理及数据库操作等关键步骤。

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一、准备

  • JAVA环境JDK1.7,官方下载地址:http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html


  • Tomcat环境Tomcat7,官方下载地址:http://tomcat.apache.org/download-70.cgi


  • Maven环境,官方下载地址:http://maven.apache.org/download.cgi


  • Eclipse,官方下载地址:http://www.eclipse.org/downloads/


  • Eclipse插件springsource-tool-suite

  • Eclipse插件mybatis generator

二、JDK安装与环境变量配置
教程:http://jingyan.baidu.com/article/6dad5075d1dc40a123e36ea3.html

三、Tomcat安装

 
四、Maven安装与eclipse配置
教程:http://jingyan.baidu.com/article/295430f136e8e00c7e0050b9.html

springsource-tool-suite所有版本下载地址: http://spring.io/tools/sts/all

六、创建test数据库,lgb_bigdata_user用户表
test数据库,默认已经创建
创建lgb_bigdata_user数据表
CREATE TABLE `lgb_bigdata_user` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `username` varchar(20) DEFAULT '' COMMENT '用户名',
  `password` varchar(50) DEFAULT '' COMMENT '用户密码',
  `email` varchar(50) DEFAULT '' COMMENT '邮箱地址',
  `createtime` datetime DEFAULT NULL COMMENT '注册时间',
  `updatetime` datetime DEFAULT NULL COMMENT '修改时间',
  `status` tinyint(1) unsigned zerofill DEFAULT '0' COMMENT '状态 0禁用1正常',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='用户表';

七、mybatis generator eclipse插件的安装
插件下载地址:http://download.youkuaiyun.com/detail/alex_bean/9548260
教程:http://jingyan.baidu.com/album/9faa7231506ed8473c28cbee.html?picindex=1
mybatisGenrator.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
 PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
 "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">

<generatorConfiguration>
	<context id="DB2Tables"	targetRuntime="MyBatis3">
		<commentGenerator>
			<property name="suppressDate" value="true"/>
			<property name="suppressAllComments" value="true"/>
		</commentGenerator>
		<jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://127.0.0.1:3306/test" userId="root" password="">
		</jdbcConnection>

		<javaModelGenerator targetPackage="com.lgbproject.bigdata.user.model" targetProject="springmvctest\src\main\java">
			<property name="enableSubPackages" value="true"/>
			<property name="trimStrings" value="true"/>
		</javaModelGenerator>
		<sqlMapGenerator targetPackage="com.lgbproject.bigdata.user.dao.mapper" targetProject="springmvctest\src\main\java">
			<property name="enableSubPackages" value="true"/>
		</sqlMapGenerator>
		<javaClientGenerator type="XMLMAPPER" targetPackage="com.lgbproject.bigdata.user.dao" targetProject="springmvctest\src\main\java">
			<property name="enableSubPackages" value="true"/>
		</javaClientGenerator>

	
	<table tableName="lgb_bigdata_user" domainObjectName="LgbBigdataUserEntity" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false"></table>
	</context>
</generatorConfiguration>


八、eclipse搭建动态WEB项目
  1. 创建项目

    File -> New -> Dynamic Web project  填写项目名称 project name: springmvctest


    next -> remove src  -> add Folder -> src/main/java、src/main/resource、src/test/java、src/test/resource


    next -> 勾选Generate web.xml deployment descriptor -> finish

    下图springmvctest项目结构图

  2. 创建maven配置文件pom.xml

    springmvctest -> 右键 -> Configure -> Convert to Maven Project -> finish


    pom.xml
    <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>4.0.0</modelVersion>
      <groupId>springmvctest</groupId>
      <artifactId>springmvctest</artifactId>
      <version>0.0.1-SNAPSHOT</version>
      <packaging>war</packaging>
      <name>springmvctest</name>
      <description>springmvctest</description>
      
      <properties>  
    	  <!-- spring版本号 -->  
    	  <spring.version>4.3.0.RELEASE</spring.version>  
    	  <!-- mybatis版本号 -->  
    	  <mybatis.version>3.2.6</mybatis.version>
    	  <org.aspectj-version>1.8.7</org.aspectj-version>
      </properties>
      
      <dependencies>
      
        <!-- spring 核心功能包
        	spring-aop-4.3.0.RELEASE.jar
        	spring-beans-4.3.0.RELEASE.jar
        	spring-context-4.3.0.RELEASE.jar
        	spring-core-4.3.0.RELEASE.jar
        	spring-expression-4.3.0.RELEASE.jar
        	commons-logging-1.2.jar
        -->
    	<dependency>
    	      <groupId>org.springframework</groupId>
    	      <artifactId>spring-context</artifactId>
    	      <version>${spring.version}</version>
    	</dependency>
    	
    	<!-- spring 附加功能包 -->
    	<dependency>
    		<groupId>org.springframework</groupId>
    		<artifactId>spring-webmvc</artifactId>
    		<version>${spring.version}</version>
    	</dependency>
    	<dependency>
    		<groupId>org.springframework</groupId>
    		<artifactId>spring-tx</artifactId>
    		<version>${spring.version}</version>
    	</dependency>
    	<dependency>
    		<groupId>org.springframework</groupId>
    		<artifactId>spring-jdbc</artifactId>
    		<version>${spring.version}</version>
    	</dependency>
    	<dependency>
    		<groupId>org.springframework</groupId>
    		<artifactId>spring-test</artifactId>
    		<version>${spring.version}</version>
    		<scope>test</scope>
    	</dependency>
    	
    	<!-- mybatis核心包 -->  
        <dependency>  
            <groupId>org.mybatis</groupId>  
            <artifactId>mybatis</artifactId>  
            <version>${mybatis.version}</version>  
        </dependency>
            
        <!-- AspectJ -->
    	<dependency>
    		<groupId>org.aspectj</groupId>
    		<artifactId>aspectjrt</artifactId>
    		<version>${org.aspectj-version}</version>
    	</dependency>
    	<dependency>
    		<groupId>org.aspectj</groupId>
    		<artifactId>aspectjweaver</artifactId>
    		<version>${org.aspectj-version}</version>
    	</dependency>
    	
        <!-- mybatis/spring包 -->  
        <dependency>  
            <groupId>org.mybatis</groupId>  
            <artifactId>mybatis-spring</artifactId>  
            <version>1.2.2</version> 
     	</dependency>
     	
     	<!-- Servlet -->
    	<dependency>
    		<groupId>javax.servlet</groupId>
    		<artifactId>javax.servlet-api</artifactId>
    		<version>3.1.0</version>
    		<scope>provided</scope>
    	</dependency>
    	<dependency>
    		<groupId>javax.servlet.jsp</groupId>
    		<artifactId>jsp-api</artifactId>
    		<version>2.1</version>
    		<scope>provided</scope>
    	</dependency>
    	<dependency>
    		<groupId>javax.servlet</groupId>
    		<artifactId>jstl</artifactId>
    		<version>1.2</version>
    	</dependency>
     	
     	<!-- Mysql官方驱动包 -->  
        <dependency>  
            <groupId>mysql</groupId>  
            <artifactId>mysql-connector-java</artifactId>  
            <version>5.1.30</version>  
        </dependency>
        
        <!-- 数据库缓存池 -->
        <dependency>
    		<groupId>com.mchange</groupId>
    		<artifactId>c3p0</artifactId>
    		<version>0.9.5.1</version>
    	</dependency>
        
        <!-- junit -->
        <dependency>  
            <groupId>junit</groupId>  
            <artifactId>junit</artifactId>  
            <version>4.12</version>  
            <!-- 表示开发的时候引入,发布的时候不会加载此包 -->  
            <scope>test</scope>  
        </dependency>
        
    	<!-- slf4j -->
    	<dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jcl-over-slf4j</artifactId>
            <version>1.5.8</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.5.8</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.5.8</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.14</version>
        </dependency>
        
        <!-- JSON转换 -->
        <dependency>  
            <groupId>org.codehaus.jackson</groupId>  
            <artifactId>jackson-mapper-asl</artifactId>  
            <version>1.9.13</version>  
        </dependency>
        
        <!-- 格式化对象,方便输出日志 -->  
    	<dependency>  
    	    <groupId>com.alibaba</groupId>  
    	    <artifactId>fastjson</artifactId>  
    	    <version>1.1.41</version>  
    	</dependency>  
        
        <!-- 上传组件包 -->  
        <dependency>  
            <groupId>commons-fileupload</groupId>  
            <artifactId>commons-fileupload</artifactId>  
            <version>1.3.1</version>  
        </dependency>  
        <dependency>  
            <groupId>commons-io</groupId>  
            <artifactId>commons-io</artifactId>  
            <version>2.4</version>  
        </dependency>  
        <dependency>  
            <groupId>commons-codec</groupId>  
            <artifactId>commons-codec</artifactId>  
            <version>1.9</version>  
        </dependency>
        
        <!-- netty5 alpha2 -->
        <dependency>
    	    <groupId>io.netty</groupId>
    	    <artifactId>netty-all</artifactId>
    	    <version>5.0.0.Alpha2</version>
    	</dependency>
            
      </dependencies>
        
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.3</version>
            <configuration>
              <source>1.7</source>
              <target>1.7</target>
            </configuration>
          </plugin>
          <plugin>
            <artifactId>maven-war-plugin</artifactId>
            <version>2.6</version>
            <configuration>
              <warSourceDirectory>WebContent</warSourceDirectory>
              <failOnMissingWebXml>false</failOnMissingWebXml>
            </configuration>
          </plugin>
        </plugins>
      </build>
    </project>
  3. 数据库连接池配置文件,src/main/resource内创建jdbc.properties
    driver=com.mysql.jdbc.Driver
    jdbcUrl=jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=UTF-8
    user=root
    password=123456
    idleConnectionTestPeriod=60
    maxIdleTime=240
    initialPoolSize=100
    acquireIncrement=5
    maxPoolSize=500
    minPoolSize=10
  4. 日志配置文件,src/main/resource内创建log4j.properties
    # DEBUG,INFO,WARN,ERROR,FATAL
    LOG_LEVEL=INFO
    
    #C-console, I-INFO, E-ERROR
    log4j.rootLogger=${LOG_LEVEL},C,I,E
    
    log4j.appender.C=org.apache.log4j.ConsoleAppender
    log4j.appender.C.Threshold = INFO
    log4j.appender.C.Encoding=utf-8
    log4j.appender.C.layout=org.apache.log4j.PatternLayout
    log4j.appender.C.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH:mm:ss} (%F:%L):%m%n
    
    log4j.appender.I=org.apache.log4j.DailyRollingFileAppender
    log4j.appender.I.File=${catalina.base}/logs/eidserver/info/log_daily
    #log4j.appender.I.File=c://eidserver/info/log_daily
    log4j.appender.I.Threshold = INFO	
    log4j.appender.I.Append = true
    log4j.appender.I.Encoding=utf-8
    log4j.appender.I.DatePattern='_'yyyy-MM-dd'.log'
    log4j.appender.I.layout=org.apache.log4j.PatternLayout
    log4j.appender.I.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH\:mm\:ss} (%F\:%L)\:%m%n
    log4j.appender.I.MaxFileSize = 50MB
    log4j.appender.I.MaxBackupIndex = 7
    
    log4j.appender.E=org.apache.log4j.DailyRollingFileAppender
    log4j.appender.E.File=${catalina.base}/logs/eidserver/error/log_error
    #log4j.appender.E.File=c://eidserver/error/log_error
    log4j.appender.E.Append = TRUE 
    log4j.appender.E.Threshold = ERROR
    log4j.appender.E.Encoding=utf-8
    log4j.appender.E.DatePattern='_'yyyy-MM-dd'.log'
    log4j.appender.E.layout=org.apache.log4j.PatternLayout
    log4j.appender.E.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH\:mm\:ss} (%F\:%L)\:%m%n 
    log4j.appender.E.MaxFileSize = 50MB
  5. src/main/resource内创建spring.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:aop="http://www.springframework.org/schema/aop"
    	xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
    		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-4.3.xsd">
    
        <aop:aspectj-autoproxy />
        
        <context:component-scan base-package="com.lgbproject.bigdata" />   
    	
    </beans>


  6. mybatis配置文件,src/main/resource内创建spring-mybatis.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:p="http://www.springframework.org/schema/p"
    	xmlns:tx="http://www.springframework.org/schema/tx"
    	xmlns:aop="http://www.springframework.org/schema/aop"
    	xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
    		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
    		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
    		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd">
    	
        <!-- 引入jdbc配置文件 -->  
        <bean id="propertyConfigurer"  
            class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">  
            <property name="location" value="classpath:jdbc.properties" />  
        </bean>
        
        <!--创建jdbc数据源 -->
    	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"
    		p:driverClass="${driver}"
    		p:jdbcUrl="${jdbcUrl}"
    		p:user="${user}"
    		p:password="${password}"
    		p:idleConnectionTestPeriod="${idleConnectionTestPeriod}"  
    		p:maxIdleTime="${maxIdleTime}" 
    		p:initialPoolSize="${initialPoolSize}"
    		p:acquireIncrement="${acquireIncrement}" 
    		p:maxPoolSize="${maxPoolSize}"  
    		p:minPoolSize="${minPoolSize}" 
    		p:preferredTestQuery="SELECT 1"
    		p:maxConnectionAge="3000" />
    		
    	<!-- 创建SqlSessionFactory,同时指定数据源
    		 spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->
    	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    		<property name="dataSource" ref="dataSource" />
    		<property name="mapperLocations">
    			<list>
    				<value>classpath*:com/lgbproject/bigdata/**/dao/mapper/*Mapper.xml</value>
    			</list>
    		</property>
    	</bean>
    	
    	<!-- Mapper接口所在包名,Spring会自动查找其下的Mapper -->
    	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"
    		p:basePackage="com.lgbproject.bigdata..*.dao"
    		p:sqlSessionFactoryBeanName="sqlSessionFactory" />
    		
    	<!-- ===================================事务的配置================================== -->
    
    	<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
    	<bean id="transactionManager"
    		class="org.springframework.jdbc.datasource.DataSourceTransactionManager"
    		p:dataSource-ref="dataSource" />
    		
    	<!-- 基于注释的事务,当注释中发现@Transactional时,使用id为“transactionManager”的事务管理器  -->
    	<!-- 如果没有设置transaction-manager的值,则spring以缺省默认的事务管理器来处理事务,默认事务管理器为第一个加载的事务管理器 -->
    	<!-- 优先级:如果配置冲突,注解的比xml的高 -->
    	<tx:annotation-driven transaction-manager="transactionManager"/>
    	
    	<!-- 配置事务特性 ,配置add、delete和update开始的方法,事务传播特性为required -->
    	<tx:advice id="txAdvice" transaction-manager="transactionManager">
    		<tx:attributes>
    			<tx:method name="save*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
    			<tx:method name="insert*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
    			<tx:method name="add*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
    			<tx:method name="delete*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
    			<tx:method name="update*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
    			<tx:method name="modify*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
    			<tx:method name="edit*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
    			<tx:method name="login*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
    			<tx:method name="regist*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
    			<tx:method name="getAll*" propagation="REQUIRED" read-only="true" />
    		</tx:attributes>
    	</tx:advice>
    	
    	<!-- 配置哪些类的方法进行事务管理 -->
    	<aop:config>
    		<aop:pointcut id="allManagerMethod" expression="execution (* com.lgbproject.bigdata.*.service.*.*(..))" />
    		<aop:advisor advice-ref="txAdvice" pointcut-ref="allManagerMethod" />
    	</aop:config>
    
    </beans>
    
  7. srpringmvc配置文件,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:mvc="http://www.springframework.org/schema/mvc"
    	xmlns:p="http://www.springframework.org/schema/p"
    	xmlns:context="http://www.springframework.org/schema/context"
    	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
    		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-4.3.xsd">
        
        <!-- 注解驱动 -->
        <mvc:annotation-driven/>
        
        <!-- 对静态资源文件的访问 -->
    	<mvc:resources mapping="/images/**" location="/resources/images/" cache-period="31556926" />
    	<mvc:resources mapping="/js/**" location="/resources/js/" cache-period="31556926" />
    	<mvc:resources mapping="/css/**" location="/resources/css/" cache-period="31556926" />
    	
    	<!-- 定义跳转的文件的前后缀 ,视图模式配置-->
    	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
    		p:prefix="/WEB-INF/views/"
    		p:suffix=".jsp" />
    	
    	<!-- 启动Spring MVC的注解功能,完成请求和注解POJO的映射 -->  
    	<!-- <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/> -->
        
    	<!-- 注解探测器 -->
    	<context:component-scan base-package="com.lgbproject.bigdata" /> 
    	
    	<!-- 先走默认的web.xml配置的servlet,没有的话才找对应controller -->
    	<mvc:default-servlet-handler/>
    	
    	<!-- 配置文件上传,如果没有使用文件上传可以不用配置,当然如果不配,那么配置文件中也不必引入上传组件包 -->  
        <bean id="multipartResolver"    
            class="org.springframework.web.multipart.commons.CommonsMultipartResolver">    
            <!-- 默认编码 -->  
            <property name="defaultEncoding" value="utf-8" />    
            <!-- 文件大小最大值 -->  
            <property name="maxUploadSize" value="10485760000" />    
            <!-- 内存中的最大值 -->  
            <property name="maxInMemorySize" value="40960" />
    	</bean>
    	</beans>
     
8. 配置web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>springmvctest</display-name>
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:spring.xml,classpath:spring-mybatis.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <listener>
    <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
  </listener>
  <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:spring-mvc.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>
  <error-page>
    <error-code>404</error-code>
    <location>/resources/views/404.jsp</location>
  </error-page>
</web-app>

到此,springmvc + mybatis + maven 项目配置完毕,下面创建controller和service层,添加一条数据到lgb_bigdata_user表测试项目。

九,测试
  1. 创建com.lgbproject.bigdata.user.controller包,UserController.java文件
    package com.lgbproject.bigdata.user.controller;
    
    import java.util.Date;
    
    import javax.servlet.http.HttpServletRequest;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.ModelMap;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    import com.lgbproject.bigdata.user.model.LgbBigdataUserEntity;
    import com.lgbproject.bigdata.user.service.UserService;
    
    @Controller
    public class UserController {
    	
    	@Autowired
    	private UserService userService;
    	
    	@RequestMapping("user.html")
    	public String user(ModelMap model, HttpServletRequest request) {
    		LgbBigdataUserEntity record = new LgbBigdataUserEntity("xiaoming", "123456", "xiaoming@163.com", new Date(), new Date(), true);
    		int result = userService.insertData(record);
    		String id = "";
    		
    		model.addAttribute("id", String.valueOf(result));
    		return "user/user";
    	}
    	
    }
    


  2. 创建WebContent/WEB-INF/views/user/目录,user.jsp文件
    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!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>User</title>
    </head>
    <body>
    <h1>Hello User Page</h1>
    <br>
    ${id }
    </body>
    </html>


  3. 创建com.lgbproject.bigdata.user.service包,UserService.java文件
    package com.lgbproject.bigdata.user.service;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    
    import com.lgbproject.bigdata.user.dao.LgbBigdataUserEntityMapper;
    import com.lgbproject.bigdata.user.model.LgbBigdataUserEntity;
    
    @Service
    public class UserService {
    	
    	@Autowired
    	private LgbBigdataUserEntityMapper lgbBigdataUserEntityMapper;
    	
    	
    	public int insertData(LgbBigdataUserEntity record) {
    		return lgbBigdataUserEntityMapper.insert(record);
    	}
    
    }


  4. 浏览器访问地址 http://localhost:8080/springmvctest/user.html,显示下图表示成功


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