SpringMVC+Spring4+Mybatis3 Maven整合教程

项目源码下载

代码结构

需要环境

jdk

java version "1.8.0_131"
Java(TM) SE Runtime Environment (build 1.8.0_131-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)

Maven
apache-tomcat-7.0.64

sql文件

CREATE DATABASE `mybatis` ;
USE `mybatis`;
DROP TABLE IF EXISTS `users`;
CREATE TABLE `users` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `NAME` varchar(20) DEFAULT NULL,
  `age` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=37 DEFAULT CHARSET=utf8;

Maven

需要的jar包

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>4.0.0modelVersion>
  <groupId>com.xwxgroupId>
  <artifactId>MavenDemoartifactId>
  <version>0.0.1-SNAPSHOTversion>
  <packaging>warpackaging>
  
  <properties>  
    <project.build.sourceEncoding>UTF-8project.build.sourceEncoding> 
      <spring.version>4.3.6.RELEASEspring.version>  
  properties>  
  
  <dependencies>
  	
  	<dependency>
  		<groupId>org.springframeworkgroupId>
  		<artifactId>spring-coreartifactId>
  		<version>${spring.version}version>
  	dependency>
  	
  	    <dependency>  
            <groupId>org.springframeworkgroupId>  
            <artifactId>spring-beansartifactId>  
            <version>${spring.version}version>  
        dependency>
        		<dependency>
  		<groupId>org.springframeworkgroupId>
  		<artifactId>spring-contextartifactId>
  		<version>${spring.version}version>
  	dependency>
  	
  	        <dependency>  
            <groupId>org.springframeworkgroupId>  
            <artifactId>spring-txartifactId>  
            <version>${spring.version}version>  
        dependency> 
            	<dependency>
  		<groupId>org.springframeworkgroupId>
  		<artifactId>spring-webartifactId>
  		<version>${spring.version}version>
  	dependency>
          
           	<dependency>
  		<groupId>org.springframeworkgroupId>
  		<artifactId>spring-webmvcartifactId>
  		<version>${spring.version}version>
  	dependency> 
  	<dependency>
    <groupId>org.springframeworkgroupId>
    <artifactId>spring-aopartifactId>
    <version>${spring.version}version>
dependency>

  	<dependency>
  		<groupId>org.springframeworkgroupId>
  		<artifactId>spring-expressionartifactId>
  		<version>${spring.version}version>
  	dependency>

  	<dependency>
  		<groupId>org.springframeworkgroupId>
  		<artifactId>spring-jdbcartifactId>
  		<version>${spring.version}version>
  	dependency>

  	<dependency>
  		<groupId>org.springframeworkgroupId>
  		<artifactId>spring-testartifactId>
  		<version>${spring.version}version>
  	dependency>
  	
  	<dependency>
  		<groupId>org.mybatisgroupId>
  		<artifactId>mybatisartifactId>
  		<version>3.4.5version>
  	dependency>
  	<dependency>
  		<groupId>org.mybatisgroupId>
  		<artifactId>mybatis-springartifactId>
  		<version>1.3.1version>
  	dependency>
  	<dependency>
  		<groupId>mysqlgroupId>
  		<artifactId>mysql-connector-javaartifactId>
  		<version>5.1.44version>
  	dependency>
  	<dependency>
    <groupId>com.alibabagroupId>
    <artifactId>druidartifactId>
    <version>1.0.28version>
dependency>
  	<dependency>
  		<groupId>commons-logginggroupId>
  		<artifactId>commons-loggingartifactId>
  		<version>1.2version>
  	dependency>
  
  	<dependency>
  		<groupId>junitgroupId>
  		<artifactId>junitartifactId>
  		<version>4.12version>
  		<scope>testscope>
  	dependency>
  	<dependency>
  		<groupId>org.aspectjgroupId>
  		<artifactId>aspectjweaverartifactId>
  		<version>1.8.10version>
  	dependency>
  
  	<dependency>
  		<groupId>commons-fileuploadgroupId>
  		<artifactId>commons-fileuploadartifactId>
  		<version>1.3.3version>
  	dependency>
  	<dependency>
  		<groupId>javax.servletgroupId>
  		<artifactId>servlet-apiartifactId>
  		<version>3.0-alpha-1version>
  	dependency>
  	<dependency>
    <groupId>org.codehaus.jacksongroupId>
    <artifactId>jackson-core-aslartifactId>
    <version>1.9.13version>
dependency>
  	<dependency>
    <groupId>org.codehaus.jacksongroupId>
    <artifactId>jackson-mapper-aslartifactId>
    <version>1.9.13version>
dependency>

<dependency>
    <groupId>log4jgroupId>
    <artifactId>log4jartifactId>
    <version>1.2.17version>
dependency>


<dependency>
    <groupId>taglibsgroupId>
    <artifactId>standardartifactId>
    <version>1.1.2version>
dependency>

<dependency>
    <groupId>jstlgroupId>
    <artifactId>jstlartifactId>
    <version>1.1.2version>
dependency>
<dependency>  
    <groupId>com.github.pagehelpergroupId>  
    <artifactId>pagehelperartifactId>  
    <version>4.0.0version>  
dependency>

<dependency>
    <groupId>org.hibernategroupId>
    <artifactId>hibernate-validatorartifactId>
    <version>5.3.1.Finalversion>
dependency>

<dependency>
    <groupId>javax.validationgroupId>
    <artifactId>validation-apiartifactId>
    <version>2.0.0.Finalversion>
dependency>

<dependency>
    <groupId>org.jboss.logginggroupId>
    <artifactId>jboss-loggingartifactId>
    <version>3.3.0.Finalversion>
dependency>

  dependencies>
  
project>

整合spring4+Mybatis

spring.xml

<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
		http://www.springframework.org/schema/context/spring-context.xsd">
        
		<context:property-placeholder  location="classpath:config.properties"/>
		<context:component-scan base-package="com.xwx.service" />

 beans>

 

spring-mvc.xml

 
<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"
       xmlns:p="http://www.springframework.org/schema/p"
       xsi:schemaLocation="http://www.springframework.org/schema/mvc
	 http://www.springframework.org/schema/mvc/spring-mvc.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.xsd">
	
	
	 <context:component-scan base-package="com.xwx.controller" />
	 
	  
	<mvc:annotation-driven validator="msgValidator" message-codes-resolver="messageCodeResolver">mvc:annotation-driven>  

<bean id="messageCodeResolver" class="org.springframework.validation.DefaultMessageCodesResolver">  
    <property name="prefix" value="validation.">property>  
bean>  

  <bean id="msgValidator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean">  
    <property name="providerClass" value="org.hibernate.validator.HibernateValidator"/>  
    <property name="validationMessageSource" ref="validationMessageSource"/>  
bean>  

 
<bean id="validationMessageSource" class="org.springframework.context.support.ReloadableResourceBundleMessageSource">  
    <property name="basenames">  
        <list>  
            <value>classpath:messagesvalue>  
            <value>classpath:hibernate/validator/ValidationMessagesvalue>  
        list>  
    property>  
    <property name="useCodeAsDefaultMessage" value="false"/>  
    <property name="defaultEncoding" value="UTF-8"/>  
    <property name="cacheSeconds" value="60"/>  
bean>  

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

spring-mybatis.xml

  
<beans xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
    xmlns:aop="http://www.springframework.org/schema/aop"  
    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.xsd  
        http://www.springframework.org/schema/tx  
        http://www.springframework.org/schema/tx/spring-tx.xsd  
        http://www.springframework.org/schema/aop  
        http://www.springframework.org/schema/aop/spring-aop.xsd  
        http://www.springframework.org/schema/context  
        http://www.springframework.org/schema/context/spring-context.xsd">  
        
        <bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        	<property name="url" value="${jdbc_url}"/>
        	<property name="username" value="${jdbc_username}"/>
        	<property name="password" value="${jdbc_password}"/>
        	
        	<property name="initialSize" value="0"/>
        	
        	<property name="maxActive" value="20"/>
        	
            <property name="maxIdle" value="20"/>
            
            <property name="minIdle" value="0"/>
            
            <property name="maxWait" value="60000" />
            
            <property name="validationQuery" value="${validationQuery}" />
            <property name="testOnBorrow" value="false" />
        bean>
        
        <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        	<property name="dataSource" ref="dataSource" />
        	
        	<property name="mapperLocations" value="classpath:com/xwx/mapping/*.xml"/>
        	
    		<property name="configLocation" value="classpath:mybatisPlugin.xml" />
        bean>
     
         <bean  class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        	<property name="basePackage" value="com.xwx.dao" />
        	<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        bean> 
        beans>

config.properties

driverClassName=com.mysql.jdbc.Driver
jdbc_url=jdbc:mysql://localhost/mybatis?useUnicode=true&characterEncoding=UTF-8
jdbc_username=root
jdbc_password=root
validationQuery=select 1

web.xml

<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" version="3.0">
  <display-name>MavenDemodisplay-name>
  
  
    <context-param>
        <param-name>contextConfigLocationparam-name>
        <param-value>classpath:spring.xml,classpath:spring-mybatis.xmlparam-value>
    context-param>
  
  
   
    <filter>
    	<description>字符集过滤器description>
        <filter-name>characterEncodingFilterfilter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilterfilter-class>
        <init-param>
            <param-name>encodingparam-name>
            <param-value>UTF-8param-value>
        init-param>
        <init-param>
            <param-name>forceEncodingparam-name>
            <param-value>trueparam-value>
        init-param>
    filter>

    <filter-mapping>
        <filter-name>characterEncodingFilterfilter-name>
        <url-pattern>/*url-pattern>
    filter-mapping>
  
  <listener>
        <listener-class>
            org.springframework.web.context.ContextLoaderListener
        listener-class>
    listener>
    
     <servlet>
        <servlet-name>DispatcherServletservlet-name>
        <servlet-class>
            org.springframework.web.servlet.DispatcherServlet
        servlet-class>
        <init-param>
            <param-name>contextConfigLocationparam-name>
            <param-value>classpath:spring-mvc.xmlparam-value>
        init-param>
        
        <load-on-startup>1load-on-startup>
    servlet>

    <servlet-mapping>
      
        <servlet-name>DispatcherServletservlet-name>
           
          
          
        <url-pattern>*.dourl-pattern>
    servlet-mapping>
    
    
    <session-config>  
        <session-timeout>120session-timeout>  
    session-config>

    <error-page>
        <error-code>404error-code>
        <location>/404.jsplocation>
    error-page>
    
  <welcome-file-list>
    <welcome-file>index.htmlwelcome-file>
    <welcome-file>index.htmwelcome-file>
    <welcome-file>index.jspwelcome-file>
    <welcome-file>default.htmlwelcome-file>
    <welcome-file>default.htmwelcome-file>
    <welcome-file>default.jspwelcome-file>
  welcome-file-list>
web-app>

maven项目引入log4j的详细配置

注解

@Controller @RequestMapping @Service @Autowired

UserController.java

package com.xwx.controller;

import java.util.List;
import javax.servlet.http.HttpServletRequest;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
import org.springframework.validation.ObjectError;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.xwx.model.User;
import com.xwx.service.UserService;

@Controller
@RequestMapping("/user")
public class UserController {
	
	//设置log
	private static Logger log = Logger.getLogger(UserController.class.getName());
	
	@Autowired
	private UserService userService;
	public UserService getUser() {
		return userService;
	}
	public void setUser(UserService user) {
		userService = user;
	}
	
	@RequestMapping(value="/index", method={RequestMethod.GET})
	public String index(HttpServletRequest request, ModelMap modelMap, @RequestParam(value="name", required=false) String name, @RequestParam(value="page", defaultValue="1") String paramPage){
		
		if(null == paramPage){
			paramPage = "1";
		}
		
		int page = Integer.parseInt(paramPage);
		int pageSize = 3;
		log.debug("name="+name);
		log.debug("page"+page);
		PageHelper.startPage(page, pageSize);
		PageHelper.orderBy("id desc");
		List<User> u = null;
		if(null !=name && !name.equals("")){
			User user = new User();
			user.setName(name);
			u = userService.selectAll(user);
		} else {
			u = userService.selectAll(null);
		}

		PageInfo<User> pageInfo = new PageInfo<User>(u);
		log.debug(u);
		log.debug(pageInfo);
		modelMap.addAttribute("user", u);
		modelMap.addAttribute("name", name);
		modelMap.addAttribute("pageInfo", pageInfo.getNavigatepageNums());
		return "user/index";
	}
	
	@RequestMapping("/update")
	public String update(int id, HttpServletRequest request, ModelMap modelMap){
		User user = userService.getUserById(id);
		modelMap.addAttribute("user", user);
		log.debug(user);
		return "user/update";
	}
	
	@RequestMapping("/doUpdate")
	public String doUpdate(HttpServletRequest request, ModelMap modelMap, @Validated User user, BindingResult bindingResult){
		if(bindingResult.hasErrors()){
			List<ObjectError> errors = bindingResult.getAllErrors();
			log.error(bindingResult.getAllErrors().toString());
			modelMap.addAttribute("errors",errors);
			return "user/update";
		}
		userService.updateByPrimaryKey(user);
	    return "redirect:index.do";
	}
	
	@RequestMapping("/add")
	public String add(){
		return "user/add";
	}
	
	@RequestMapping("/doAdd")
	public String doAdd(HttpServletRequest request, ModelMap modelMap, @Validated  User user, BindingResult bindingResult) {
		log.debug(user);
		if(bindingResult.hasErrors()){
			List<ObjectError> errors = bindingResult.getAllErrors();
			log.error(bindingResult.getAllErrors().toString());
			modelMap.addAttribute("errors",errors);
			return "user/add";
		}
		userService.insert(user);
		return "redirect:index.do";
	}
	
	@RequestMapping("/delete")
	public String delete(int id){
		userService.deleteByPrimaryKey(id);
		return "redirect:index.do";
	}
}

UserService.java

package com.xwx.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.xwx.dao.UserMapper;
import com.xwx.model.User;
@Service("userService")
public class UserService {
	
	@Autowired
	private UserMapper UserMapper;
	
	public UserMapper getUserMapper() {
		return UserMapper;
	}

	public void setUserMapper(UserMapper userMapper) {
		UserMapper = userMapper;
	}

	public User getUserById(int id){
		User u = UserMapper.selectByPrimaryKey(id);
		return u;
	}
	
	public int updateByPrimaryKey(User user){
		return UserMapper.updateByPrimaryKey(user);
	}

	public List<User> selectAll(User user) {
		return  UserMapper.selectAll(user);
	}
	
	public int insert(User user){
		return UserMapper.insert(user);
	}
	
	public int deleteByPrimaryKey(int id){
		return UserMapper.deleteByPrimaryKey(id);
	}
}