intellij idea SSM框架(SpringMVC-Spring-Mybatis)整合
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1.SSM的jar包
SSM使用的jar包还是挺多的，这贴出其maven来管理
<properties> <junit.version>4.12</junit.version> <spring.version>4.1.3.RELEASE</spring.version> <mybatis.version>3.2.8</mybatis.version> <mybatis.spring.version>1.2.2</mybatis.spring.version> <mybatis.paginator.version>1.2.15</mybatis.paginator.version> <mysql.version>5.1.32</mysql.version> <slf4j.version>1.6.4</slf4j.version> <jackson.version>2.4.2</jackson.version> <jstl.version>1.2</jstl.version> <servlet-api.version>2.5</servlet-api.version> <jsp-api.version>2.0</jsp-api.version> <joda-time.version>2.5</joda-time.version> <commons-lang3.version>3.3.2</commons-lang3.version> <commons-io.version>1.3.2</commons-io.version> <commons-net.version>3.3</commons-net.version> <pagehelper.version>3.4.2-fix</pagehelper.version> <commons-fileupload.version>1.3.1</commons-fileupload.version> </properties> <dependencies> <!-- 时间操作组件 --> <dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> <version>${joda-time.version}</version> </dependency> <!-- Apache工具组件 --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>${commons-lang3.version}</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-io</artifactId> <version>${commons-io.version}</version> </dependency> <dependency> <groupId>commons-net</groupId> <artifactId>commons-net</artifactId> <version>${commons-net.version}</version> </dependency> <!-- Jackson Json处理工具包 --> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> <!-- 单元测试 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>${junit.version}</version> <scope>test</scope> </dependency> <!-- 日志处理 --> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>${slf4j.version}</version> </dependency> <!-- Mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>${mybatis.spring.version}</version> </dependency> <dependency> <groupId>com.github.miemiedev</groupId> <artifactId>mybatis-paginator</artifactId> <version>${mybatis.paginator.version}</version> </dependency> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</artifactId> <version>${pagehelper.version}</version> </dependency> <!-- MySql --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <!-- Spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>${spring.version}</version> </dependency> <!-- JSP相关 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>${jstl.version}</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>${servlet-api.version}</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jsp-api</artifactId> <version>${jsp-api.version}</version> <scope>provided</scope> </dependency> <!-- 文件上传组件 --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>${commons-fileupload.version}</version> </dependency> </dependencies>2.开发工具Ideal
个人感觉Ideal比eclipse智能些，但是使用maven项目的时候，注意lib问题，否则启动tomcat服务器的时候会出现下面错误
java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener
解决的付方法：
File->project structure->artifacts，在WEB-INF下新建一个lib目录，把右边所有的maven-jar包添加到lib目录下(我已经把所有jar都移过去了)
3.项目架构和配置文件
3.1web配置文件
<?xml version="1.0" encoding="UTF-8"?><web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1"> <!-- 加载spring容器 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:resource/applicationContext.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 解决post乱码 --> <filter> <filter-name>CharacterEncodingFilter</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> </filter> <filter-mapping> <filter-name>CharacterEncodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- springmvc的前端控制器 --> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- contextConfigLocation不是必须的， 如果不配置contextConfigLocation， springmvc的配置文件默认在：WEB-INF/servlet的name+"-servlet.xml" --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:resource/springmvc-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>/</url-pattern><!--拦截所有请求--> </servlet-mapping> <welcome-file-list> <welcome-file>index.html</welcome-file> </welcome-file-list></web-app>
3.2 applicationContext.xml
applicationContext.xml为Spring的配置文件
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsdhttp://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsdhttp://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <description>Spring公共配置</description> <!-- MyBatis配置 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <!-- 显式指定Mapper文件位置 --> <property name="mapperLocations" value="classpath*:mybatis/*Mapper.xml" /> <!-- mybatis配置文件路径 --> <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/> </bean> <bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate"> <constructor-arg index="0" ref="sqlSessionFactory" /> <!-- 这个执行器会批量执行更新语句, 还有SIMPLE 和 REUSE --> <constructor-arg index="1" value="BATCH" /> </bean> <!-- 扫描basePackage接口 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 映射器接口文件的包路径， --> <property name="basePackage" value="com.gxu.dao" /> </bean> <!-- 使用annotation定义事务 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"></property> </bean> <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" /> <!--导入property文件数据--> <context:property-placeholder location="classpath:resource/jdbc.properties"/> <!-- 数据源配置, 使用Tomcat JDBC连接池 --> <bean id="dataSource" class="org.apache.tomcat.jdbc.pool.DataSource" destroy-method="close"> <!-- Connection Info --> <property name="driverClassName" value="${jdbc.driver}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <!-- Connection Pooling Info --> <property name="maxActive" value="${jdbc.pool.maxActive}" /> <property name="maxIdle" value="${jdbc.pool.maxIdle}" /> <property name="minIdle" value="0" /> <property name="defaultAutoCommit" value="false" /> </bean></beans>3.3 jdbc.properties
jdbc.driver=com.mysql.jdbc.Driverjdbc.url=jdbc:mysql://127.0.0.1:3306/jshare?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&allowMultiQueries=truejdbc.username=rootjdbc.password=123456#connection pool settings# maxIdle是最大的空闲连接数，这里取值为20，表示即使没有数据库连接时依然可以保持20个空闲的连接，它们不会被清除，随时处于待命状态jdbc.pool.maxIdle=20# maxActive是最大激活连接数，这里取值为190，表示同时最多有190个数据库连接jdbc.pool.maxActive=190
3.4springmvc-servlet.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:p="http://www.springframework.org/schema/p"--> <!--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-3.0.xsd--> <!--http://www.springframework.org/schema/context--> <!--http://www.springframework.org/schema/context/spring-context-3.0.xsd">--> <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: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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <context:component-scan base-package="com.gxu.*" /> <!--解决responsedbody乱码--> <mvc:annotation-driven> <mvc:message-converters register-defaults="true"> <bean class="org.springframework.http.converter.StringHttpMessageConverter"> <property name="supportedMediaTypes" value = "text/plain;charset=UTF-8" /> </bean> </mvc:message-converters> </mvc:annotation-driven> <!--声明缺省的请求前缀和后缀--> <bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> <!-- 开放静态请求 --> <mvc:resources location="/js/" mapping="/js/**"/> <mvc:resources location="/css/" mapping="/css/**"/> <mvc:resources location="/images/" mapping="/images/**"/></beans>
3.5 mybatis-config.xml
暂时还没有什么内容添加
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"><configuration><settings><setting name="cacheEnabled" value="true" /></settings></configuration>
3.6UserMapper.xml
每一个实体类对于的Mybatis的xml文件，可以使用generator自动生产，这里只是简单举例
<?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"><!-- namespace必须指向Dao接口 --><mapper namespace="com.gxu.dao.IUserDao"> <select id="selectByUserName" resultType="com.gxu.entity.User"> SELECT * FROM user WHERE userName=#{userName} </select> <insert id="insert" keyProperty="userId" useGeneratedKeys="true"> INSERT INTO user(userName,password,email,question1,answer1) VALUES (#{userName},#{password},#{email},#{question1},#{answer1}) </insert></mapper>另外如果无法新建servlet文件，需要在对于项目.iml中的 <configuration>下添加如下信息
<sourceRoots> <root url="file://$MODULE_DIR$/src/main/java" /> <root url="file://$MODULE_DIR$/src/main/resources" /> </sourceRoots>
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