ssm demo github : https://github.com/rongyaya10...
配置pom用到的框架和版本：
spring 5.0.5.RELEASE
mybatis 3.4.0
mysql 5.1.35
log4j 1.2.17
mybatis-spring 1.3.2
jdk 1.8
1、 配置 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/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>org.ssmdemo</groupId> <artifactId>ssmdemo</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>ssmdemo</name> <url>http://maven.apache.org</url> <properties> <junit.version>4.12</junit.version> <mybatis-spring.version>1.3.2</mybatis-spring.version> <mybatis.version>3.4.0</mybatis.version> <mysql.version>5.1.35</mysql.version> <spring.version>5.0.5.RELEASE</spring.version> <druid.version>1.0.19</druid.version> <log4j.version>1.2.17</log4j.version> </properties> <dependencies> <!-- junit --> <!-- https://mvnrepository.com/artifact/junit/junit --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>${junit.version}</version> <scope>test</scope> </dependency> <!-- 数据库 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>${druid.version}</version> </dependency> <!-- MyBatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>${mybatis-spring.version}</version> </dependency> <!-- spring核心依赖--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <!-- spring ioc依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <!-- spring aop依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <!-- spring 扩展依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <!--spring dao层依赖--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>${spring.version}</version> </dependency> <!-- spring web相关依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <!-- spring test相关依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> </dependency> <!-- spring依赖 end--> <dependency> <groupId>com.fengwenyi</groupId> <artifactId>JavaLib</artifactId> <version>0.0.9</version> </dependency> <!--springfox依赖的jar包；如果你的项目中已经集成了无需重复--> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.9.0</version> </dependency> <!-- Log --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> </dependencies> <build> <finalName>ssmdemo</finalName> <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) --> <plugins> <plugin> <artifactId>maven-clean-plugin</artifactId> <version>3.0.0</version> </plugin> <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging --> <plugin> <artifactId>maven-resources-plugin</artifactId> <version>3.0.2</version> </plugin> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.7.0</version> </plugin> <plugin> <artifactId>maven-surefire-plugin</artifactId> <version>2.20.1</version> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>3.2.0</version> </plugin> <plugin> <artifactId>maven-install-plugin</artifactId> <version>2.5.2</version> </plugin> <plugin> <artifactId>maven-deploy-plugin</artifactId> <version>2.8.2</version> </plugin> </plugins> </pluginManagement> </build></project>import change -> ok
2、在src->main 下新建 resources ， 右键make directory as -> Resources Root
3、resources -> 新建 applicationContent.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" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsdhttp://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd"> <!-- 1.配置jdbc文件 --> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations" value="classpath:jdbc.properties"/> </bean> <!-- 2.扫描的包路径，这里不扫描被@Controller注解的类 --> <!--使用<context:component-scan/> 可以不在配置<context:annotation-config/> --> <context:component-scan base-package="com.zgr"> <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> <import resource="classpath:spring-mybatis.xml" /></beans>4、resources -> 新建 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" xmlns:p="http://www.springframework.org/schema/p" 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 http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd"> <!-- 扫描controller（controller层注入） --> <context:component-scan base-package="com.zgr.controller" use-default-filters="false"> <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> </context:component-scan> <mvc:annotation-driven /> <!-- 内容协商管理器 --> <!--1、首先检查路径扩展名（如my.pdf）；2、其次检查Parameter（如my?format=pdf）；3、检查Accept Header--> <bean id="contentNegotiationManager" class="org.springframework.web.accept.ContentNegotiationManagerFactoryBean"> <!-- 扩展名至mimeType的映射,即 /user.json => application/json --> <property name="favorPathExtension" value="true"/> <!-- 用于开启 /userinfo/123?format=json 的支持 --> <property name="favorParameter" value="true"/> <property name="parameterName" value="format"/> <!-- 是否忽略Accept Header --> <property name="ignoreAcceptHeader" value="false"/> <property name="mediaTypes"> <!--扩展名到MIME的映射；favorPathExtension, favorParameter是true时起作用 --> <value> json=application/json xml=application/xml html=text/html </value> </property> <!-- 默认的content type --> <property name="defaultContentType" value="text/html"/> </bean> <!-- 当在web.xml 中 DispatcherServlet使用 <url-pattern>/</url-pattern> 映射时，能映射静态资源 --> <mvc:default-servlet-handler /> <!-- 静态资源映射 --> <mvc:resources mapping="/static/**" location="/WEB-INF/static/"/> <!-- 对模型视图添加前后缀 --> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/WEB-INF/pages/" p:suffix=".jsp"/></beans>5、resources -> 新建 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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd"> <!-- 3.配置数据源 ，使用的alibba的数据库--> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <!-- 基本属性 url、user、password --> <property name="driverClassName" value="${jdbc_driverClassName}"/> <property name="url" value="${jdbc_url}"/> <property name="username" value="${jdbc_username}"/> <property name="password" value="${jdbc_password}"/> <!-- 配置初始化大小、最小、最大 --> <property name="initialSize" value="10"/> <property name="minIdle" value="10"/> <property name="maxActive" value="50"/> <!-- 配置获取连接等待超时的时间 --> <property name="maxWait" value="60000"/> <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 --> <property name="timeBetweenEvictionRunsMillis" value="60000" /> <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 --> <property name="minEvictableIdleTimeMillis" value="300000" /> <property name="validationQuery" value="SELECT 'x'" /> <property name="testWhileIdle" value="true" /> <property name="testOnBorrow" value="false" /> <property name="testOnReturn" value="false" /> <!-- 打开PSCache，并且指定每个连接上PSCache的大小 如果用Oracle，则把poolPreparedStatements配置为true，mysql可以配置为false。--> <property name="poolPreparedStatements" value="false" /> <property name="maxPoolPreparedStatementPerConnectionSize" value="20" /> <!-- 配置监控统计拦截的filters --> <property name="filters" value="wall,stat" /> </bean> <!-- 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" /> <!-- 扫描entity包 使用别名 --> <property name="typeAliasesPackage" value="com.zgr.domain" /> <!-- 自动扫描mapping.xml文件 --> <property name="mapperLocations" value="classpath:mapper/*.xml"></property> </bean> <!-- DAO接口所在包名，Spring会自动查找其下的类 ,自动扫描了所有的XxxxMapper.xml对应的mapper接口文件,只要Mapper接口类和Mapper映射文件对应起来就可以了--> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.zgr.dao" /> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property> </bean> <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx --> <!-- 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!--======= 事务配置 End =================== --> <!-- 配置基于注解的声明式事务 --> <!-- enables scanning for @Transactional annotations --> <tx:annotation-driven transaction-manager="transactionManager" /></beans>6、 resources -> 新建 log4j.properties
# Root logger option#ALL<DEBUG<INFO<WARN<ERROR<FATAL<OFFlog4j.rootLogger=INFO, stdout, file# Redirect log messages to consolelog4j.appender.stdout=org.apache.log4j.ConsoleAppenderlog4j.appender.stdout.Target=System.outlog4j.appender.stdout.layout=org.apache.log4j.PatternLayoutlog4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n# Rirect log messages to a log filelog4j.appender.file=org.apache.log4j.RollingFileAppenderlog4j.appender.file.File=/logs/log4j.loglog4j.appender.file.MaxFileSize=5MBlog4j.appender.file.MaxBackupIndex=10log4j.appender.file.layout=org.apache.log4j.PatternLayoutlog4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%nlog4j.logger.org.springframework=ERROR7、 resources -> 新建 jdbc.properties
jdbc_driverClassName =com.mysql.jdbc.Driverjdbc_url=jdbc:mysql://localhost:3306/ssmdemo?useUnicode=true&characterEncoding=utf8jdbc_username=rootjdbc_password=root环境搭建好了，可以写个demo试试看
- UserController.java
package com.zgr.controller;import com.zgr.domain.User;import com.zgr.service.IUserService;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.*;@Controllerpublic class UserController { @Autowired private IUserService userService; @RequestMapping(value="/showname",method= RequestMethod.GET) public String getUserById (@RequestParam("uid") int id, Model model) { if (id > 0) { User user = userService.getUserById(id); model.addAttribute("name", user.getName()); return "user/info"; } return "user/error"; }}- IUserDao.java
package com.zgr.dao;import com.zgr.domain.User;import org.apache.ibatis.annotations.Mapper;import org.apache.ibatis.annotations.Param;import java.util.List;@Mapperpublic interface IUserDao { List<User> getUsers(); User getUserById(@Param("id") Integer id); /*List<User> getUserByPage(Integer pageCurr, Integer pageSize);*/ Integer insert (@Param("user") User user); Integer update (@Param("user") User user); Integer delete (@Param("id") Integer id);}- User.java
package com.zgr.domain;public class User { private Integer id; private String name; private Integer age; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; } @Override public String toString() { return "User{" + "id=" + id + ", name='" + name + '\'' + ", age=" + age + '}'; }}- IUserService.java
package com.zgr.service;import com.zgr.domain.User;import java.util.List;public interface IUserService { List<User> getUsers(); User getUserById(Integer id); Integer insert (User user); Integer update (User user); Integer delete (Integer id);}- UserService.java
package com.zgr.service.impl;import com.zgr.dao.IUserDao;import com.zgr.domain.User;import com.zgr.service.IUserService;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import java.util.List;@Servicepublic class UserService implements IUserService { @Autowired private IUserDao userDao; public List<User> getUsers () { List<User> users = userDao.getUsers(); if (users != null) return users; return null; }}- UserMapper.xml
<?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.zgr.dao.IUserDao"> <!-- List<User> getUsers(); --> <select id="getUsers" resultType="User"> SELECT <include refid="column" /> FROM <include refid="tName"/> </select> <!--User getUserById(@Param("id") Integer id);--> <select id="getUserById" resultType="User"> SELECT <include refid="column" /> FROM <include refid="tName"/> <where> id = #{id} </where> </select> <!--List<User> getUserByPage(Integer pageCurr, Integer pageSize);--> <!--Integer insert (@Param("user") User user);--> <insert id="insert"> INSERT INTO <include refid="tName"/> (name, age) VALUE (#{user.name}, #{user.age}) </insert> <!--Integer update (@Param("user") User user);--> <update id="update"> UPDATE <include refid="tName"/> <set> <if test="user.name != null"> name = #{user.name}, </if> <if test="user.age != null and user.age > 0"> age = #{user.age} </if> </set> WHERE id = #{user.id} </update> <!--Integer delete (@Param("id") Integer id);--> <delete id="delete"> DELETE FROM <include refid="tName"/> WHERE id = #{id} </delete> <sql id="tName"> user </sql> <sql id="column"> id, name, age </sql></mapper>