搭建springmvc+spring+mybatis+IntelliJ IDEA例子
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首先先看下目录结构：
1.先建好一个大概的项目：
选完后直接next
直接next
直接finish，大概的项目就出来了，接下来就是一些配置文件
2.通过maven导包：
<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>ssm</groupId> <artifactId>ssm</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>ssm Maven Webapp</name> <url>http://maven.apache.org</url> <build> <plugins> <plugin> <groupId>org.mortbay.jetty</groupId> <artifactId>maven-jetty-plugin</artifactId> <version>6.1.7</version> <configuration> <connectors> <connector implementation="org.mortbay.jetty.nio.SelectChannelConnector"> <port>8888</port> <maxIdleTime>30000</maxIdleTime> </connector> </connectors> <webAppSourceDirectory>${project.build.directory}/${pom.artifactId}-${pom.version} </webAppSourceDirectory> <contextPath>/</contextPath> </configuration> </plugin> </plugins> </build> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <!-- spring版本号 --> <spring.version>4.2.5.RELEASE</spring.version> <!-- mybatis版本号 --> <mybatis.version>3.2.8</mybatis.version> <!-- mysql驱动版本号 --> <mysql-driver.version>5.1.29</mysql-driver.version> <!-- log4j日志包版本号 --> <slf4j.version>1.7.18</slf4j.version> <log4j.version>1.2.17</log4j.version> </properties> <dependencies> <!-- 添加jstl依赖 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>javax</groupId> <artifactId>javaee-api</artifactId> <version>7.0</version> </dependency> <!-- 添加junit4依赖 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <!-- 指定范围，在测试时才会加载 --> <scope>test</scope> </dependency> <!-- 添加spring核心依赖 --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-oxm</artifactId> <version>${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-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-test</artifactId> <version>${spring.version}</version> </dependency> <!-- 添加mybatis依赖 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!-- 添加mybatis/spring整合包依赖 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <!-- 添加mysql驱动依赖 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql-driver.version}</version> </dependency> <!-- 添加数据库连接池依赖 --> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.2.2</version> </dependency> <!-- 添加fastjson --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.1.41</version> </dependency> <!-- 添加日志相关jar包 --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <!-- log end --> <!-- 映入JSON --> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-asl</artifactId> <version>1.9.13</version> </dependency> <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.8.0</version> </dependency> <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.8.0</version> </dependency> <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> </dependencies></project>3.配置spring-mvc的配置文件：
<?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-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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 配置自动扫描的包 --> <context:component-scan base-package="com.great" use-default-filters="false"> <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/> <context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.ControllerAdvice"/> </context:component-scan> <!-- 自动扫描 @Controller--> <!--<context:component-scan base-package="com.great.controller"/>--> <!-- 配置视图解析器 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/views/"/> <property name="suffix" value=".jsp"/> </bean> <!--访问静态资源 例如 http://localhost:8080/views/index.html--> <mvc:resources mapping="/views/**" location="/WEB-INF/views/" /> <!--配置默认页--> <mvc:view-controller path="/" view-name="index"/> <!-- 添加后可以显示welcome-file界面 --> <mvc:default-servlet-handler/> <!-- 启动注解 --> <mvc:annotation-driven /> <!-- 启动SpringMVC的注解功能，完成请求和注解POJO的映射 --> <bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver"> <property name="order" value="1"/> <property name="defaultViews"> <list> <!-- JSON View --> <bean class="org.springframework.web.servlet.view.json.MappingJackson2JsonView"> </bean> </list> </property> </bean> <!--避免IE执行AJAX时，返回JSON出现下载文件 --> <bean id = "mappingJacksonHttpMessageConverter" class = "org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"> <property name = "supportedMediaTypes"> <list> <value>text/html;charset=UTF-8</value> </list> </property> </bean> <!-- 配置 MultipartResolver 文件上传--> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="defaultEncoding" value="UTF-8"/> <property name="maxUploadSize" value="1024000000"/> </bean> <!-- SpringMVC在超出上传文件限制时,会抛出org.springframework.web.multipart.MaxUploadSizeExceededException --> <!-- 该异常是SpringMVC在检查上传的文件信息时抛出来的,而且此时还没有进入到Controller方法中 --> <bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver"> <property name="exceptionMappings"> <props> <!-- 遇到MaxUploadSizeExceededException异常时,自动跳转到/WEB-INF/jsp/error_fileupload.jsp页面 --> <prop key="org.springframework.web.multipart.MaxUploadSizeExceededException">error_fileupload</prop> </props> </property> </bean></beans>
4.先配置jdbc.propertes数据库连接信息
driverClasss=com.mysql.jdbc.DriverjdbcUrl=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNullusername=rootpassword=root#初始化连接大小initialSize=0#连接池最大数量maxActive=20#连接池最大空闲maxIdle=20#连接池最小空闲minIdle=1#连接最大等待时间maxWait=60000
5.配置spring和mybatis的联系，spring-mabatis:
<?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:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"> <!-- 自动扫描 --> <context:component-scan base-package="com.great"/> <!-- 第一种方式：加载一个properties文件 --> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="classpath:jdbc.properties"/> </bean> <!-- 配置数据源 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${driverClasss}"/> <property name="url" value="${jdbcUrl}"/> <property name="username" value="${username}"/> <property name="password" value="${password}"/> <!-- 初始化连接大小 --> <property name="initialSize" value="${initialSize}"/> <!-- 连接池最大数量 --> <property name="maxActive" value="${maxActive}"/> <!-- 连接池最大空闲 --> <property name="maxIdle" value="${maxIdle}"/> <!-- 连接池最小空闲 --> <property name="minIdle" value="${minIdle}"/> <!-- 获取连接最大等待时间 --> <property name="maxWait" value="${maxWait}"/> </bean> <!-- mybatis和spring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"/> <!-- 自动扫描mapping.xml文件 --> <property name="mapperLocations" value="classpath:mapping/*.xml"/> </bean> <!-- DAO接口所在包名，Spring会自动查找其下的类 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.great.mapper"/> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/> </bean> <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx --> <tx:annotation-driven transaction-manager="transactionManager"/></beans>6.还有一个日志属性log4j.properties：
log4j.rootLogger=INFO,Console,File#控制台日志log4j.appender.Console=org.apache.log4j.ConsoleAppenderlog4j.appender.Console.Target=System.outlog4j.appender.Console.layout=org.apache.log4j.PatternLayoutlog4j.appender.Console.layout.ConversionPattern=[%p][%t][%d{yyyy-MM-dd HH\:mm\:ss}][%C] - %m%n#普通文件日志log4j.appender.File=org.apache.log4j.RollingFileAppenderlog4j.appender.File.File=logs/ssm.loglog4j.appender.File.MaxFileSize=10MB#输出日志，如果换成DEBUG表示输出DEBUG以上级别日志log4j.appender.File.Threshold=ALLlog4j.appender.File.layout=org.apache.log4j.PatternLayoutlog4j.appender.File.layout.ConversionPattern=[%p][%t][%d{yyyy-MM-dd HH\:mm\:ss}][%C] - %m%n7.现在就是写一个测试类了
model
package com.great.model;/** * 部门表实体类 */public class Dept { //部门编号 主键 private String id; //部门编码 private String code; //部门名称 private String name; public String getId() { return id; } public void setId(String id) { this.id = id; } public String getCode() { return code; } public void setCode(String code) { this.code = code; } public String getName() { return name; } public void setName(String name) { this.name = name; }}mapping映射：dept.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.great.mapper.DeptMapper"> <resultMap id="deptMap" type="com.great.model.Dept"> <id property="id" column="id" /> <result property="name" column="name"/> </resultMap> <select id="selectAllDept" resultType="com.great.model.Dept"> SELECT * FROM dept </select> <insert id="createDept" parameterType="com.great.model.Dept"> INSERT INTO dept VALUES (#{id},#{name},#{code}) </insert> <update id="updateDept" parameterType="java.util.Map"> UPDATE dept SET name = #{name} WHERE id=#{id} </update> <select id="selectDept" resultType="com.great.model.Dept" parameterType="java.lang.String"> SELECT * FROM dept WHERE id=#{id} </select></mapper>DeptMapper.java
package com.great.mapper;import com.great.model.Dept;import org.springframework.stereotype.Repository;import java.util.List;import java.util.Map;@Repositorypublic interface DeptMapper { List<Dept> selectAllDept(); void createDept(Dept dept); void updateDept(Map<String,String> map); Dept selectDept(String id);}DeptService.java
package com.great.service;import com.great.model.Dept;import java.util.List;import java.util.Map;public interface DeptService { public List<Dept> selectAllDept(); public void createDept(Dept dept); public void updateDept(Map<String,String> map); public Dept selectDept(String id);}DeptServiceImp.java
package com.great.service.imp;import com.great.mapper.DeptMapper;import com.great.model.Dept;import com.great.service.DeptService;import org.springframework.stereotype.Service;import javax.annotation.Resource;import java.util.List;import java.util.Map;@Servicepublic class DeptServiceImp implements DeptService { @Resource private DeptMapper deptMapper; public List<Dept> selectAllDept() { return deptMapper.selectAllDept(); } public void createDept(Dept dept) { deptMapper.createDept(dept); } public void updateDept(Map<String, String> map) { deptMapper.updateDept(map); } public Dept selectDept(String id) { return deptMapper.selectDept(id); }}DeptController.java,使用的是假数据
package com.great.controller;import com.great.model.Dept;import com.great.service.imp.DeptServiceImp;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.PathVariable;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.ResponseBody;import org.springframework.web.servlet.ModelAndView;import javax.annotation.Resource;import java.util.HashMap;import java.util.List;import java.util.Map;@Controller@RequestMapping("/test")public class DeptController { @Resource private DeptServiceImp deptServiceImp; @RequestMapping(value = "/all", method = RequestMethod.GET) @ResponseBody public List<Dept> selectAllDept() { List<Dept> deptList = deptServiceImp.selectAllDept(); System.out.println(deptList); return deptList; } @RequestMapping(value = "/into", method = RequestMethod.GET) public void create() { List<Dept> deptList = deptServiceImp.selectAllDept(); Dept dept = new Dept(); dept.setCode("cccc"); dept.setId("aaaa"); dept.setName("bbbb"); deptServiceImp.createDept(dept); System.out.println(deptList); } @RequestMapping(value = "/update", method = RequestMethod.GET) public void update(){ Map<String,String> map = new HashMap<String, String>(); map.put("id","aa"); map.put("name","gggg"); deptServiceImp.updateDept(map); } @RequestMapping(value = "/get/{id}", method = RequestMethod.GET) public ModelAndView getDept(@PathVariable("id")String id){ Dept dept = deptServiceImp.selectDept(id); ModelAndView modelAndView = new ModelAndView("test"); modelAndView.addObject(dept); return modelAndView; } @RequestMapping(value = "/go", method = RequestMethod.GET) public ModelAndView getDept(){ return new ModelAndView("test"); }}访问路径：点击打开链接
到这里就基本结束了，前端页面了
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