IDEA之Maven搭建Spring4 SpringMVC4 Mybatis3（笔记记录篇）
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可参考源码：Spring4 SpringMVC4 Mybatis3整合源码
首先打开Mysql的图形界面工具进行建库建表，当然也可以使用cmd黑窗口命令形式进行建库建表。
create database kaoshi;use kaoshi;create table k_dept( id int(11) auto_increment primary key, name varchar(30), age int(11), birdate date);INSERT INTO `k_dept` VALUES ('1', '张三', '56', '2017-08-07');INSERT INTO `k_dept` VALUES ('2', '李四', '47', '2017-09-04');INSERT INTO `k_dept` VALUES ('3', '王五', '36', '2017-09-05');
打开IDEA，创建Maven项目。 
pom.xml 文件如下。
<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>com.zhenqi.kaoshi</groupId> <artifactId>kaoshi-ssm</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>kaoshi-ssm Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <!-- spring version --> <spring.version>4.3.8.RELEASE</spring.version> <mybatis.version>3.2.8</mybatis.version> </properties> <dependencies> <!-- Spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</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-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>${spring.version}</version> </dependency> <!-- spring aop--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${spring.version}</version> </dependency> <!-- AspectJ Runtime --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjrt</artifactId> <version>1.8.6</version> </dependency> <!-- AspectJ Weaver --> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.8.6</version> </dependency> <!-- mybatis核心包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <!-- mybatis/spring包 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.3</version> </dependency> <!-- Mysql官方驱动包 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.38</version> </dependency> <!-- 数据库缓存池 --> <dependency> <groupId>com.mchange</groupId> <artifactId>c3p0</artifactId> <version>0.9.5.1</version> </dependency> <!-- jstl 标签库 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.21</version> </dependency> <!-- Servlet --> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>3.1.0</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> </dependencies> <build> <finalName>kaoshi-ssm</finalName> </build></project>先把配置文件整理好。 db.properties。位置在resources目录下。
driver=com.mysql.jdbc.DriverjdbcUrl=jdbc:mysql://localhost:3306/kaoshi?useUnicode=true&characterEncoding=UTF-8user=rootpassword=rootidleConnectionTestPeriod=60maxIdleTime=240initialPoolSize=100acquireIncrement=5maxPoolSize=500minPoolSize=10日志记录配置文件，log4j.properties。
# DEBUG,INFO,WARN,ERROR,FATALLOG_LEVEL=INFO#C-console, I-INFO, E-ERRORlog4j.rootLogger=${LOG_LEVEL},C,I,Elog4j.appender.C=org.apache.log4j.ConsoleAppenderlog4j.appender.C.Threshold = INFOlog4j.appender.C.Encoding=utf-8log4j.appender.C.layout=org.apache.log4j.PatternLayoutlog4j.appender.C.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH:mm:ss} (%F:%L):%m%nlog4j.appender.I=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.I.File=${catalina.base}/logs/eidserver/info/log_daily#log4j.appender.I.File=c://eidserver/info/log_dailylog4j.appender.I.Threshold = INFOlog4j.appender.I.Append = truelog4j.appender.I.Encoding=utf-8log4j.appender.I.DatePattern='_'yyyy-MM-dd'.log'log4j.appender.I.layout=org.apache.log4j.PatternLayoutlog4j.appender.I.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH\:mm\:ss} (%F\:%L)\:%m%nlog4j.appender.I.MaxFileSize = 50MBlog4j.appender.I.MaxBackupIndex = 7log4j.appender.E=org.apache.log4j.DailyRollingFileAppenderlog4j.appender.E.File=${catalina.base}/logs/eidserver/error/log_error#log4j.appender.E.File=c://eidserver/error/log_errorlog4j.appender.E.Append = TRUElog4j.appender.E.Threshold = ERRORlog4j.appender.E.Encoding=utf-8log4j.appender.E.DatePattern='_'yyyy-MM-dd'.log'log4j.appender.E.layout=org.apache.log4j.PatternLayoutlog4j.appender.E.layout.ConversionPattern=[%-5p] %d{yyyy-MM-dd HH\:mm\:ss} (%F\:%L)\:%m%nlog4j.appender.E.MaxFileSize = 50MBspring-mvc.xml 。位置在resources目录下。
<?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/> <!-- 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.zhenqi" /> <mvc:default-servlet-handler/></beans>而后是 spring-mybatis.xml。位置同上。
<?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:db.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/zhenqi/dao/*.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.zhenqi.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.zhenqi.*.service.*.*(..))" /> <aop:advisor advice-ref="txAdvice" pointcut-ref="allManagerMethod" /> </aop:config></beans>然后在 web.xml 文件配置。
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" ><web-app> <display-name>Archetype Created Web Application</display-name> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring-mybatis.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <servlet> <servlet-name>springmvc-dispatcherservlet</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-dispatcherservlet</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping></web-app>配置文件整理好了，接下来就可以编写Java代码了。
1、Entity实体对象 Dept.java
package com.zhenqi.entity;import java.util.Date;/** * Created by wuming on 2017/9/8. */public class Dept { private Integer id; private String name; private Integer age; private Date birDate; 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; } public Date getBirDate() { return birDate; } public void setBirDate(Date birDate) { this.birDate = birDate; }}2、Dao层
而后是Dao接口与Mapper xml文件。
DeptDao.java
package com.zhenqi.dao;import com.zhenqi.entity.Dept;import java.util.List;/** * Created by wuming on 2017/9/8. */public interface DeptDao { //查找所有内容 public List<Dept> findAll();}Dept.xml 其位置 com/zhenqi/dao目录下。
<?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.zhenqi.dao.DeptDao"> <resultMap id="deptAll" type="com.zhenqi.entity.Dept" > <id property="id" column="IID" /> <result property="name" column="name" /> <result property="age" column="age" /> <result property="birDate" column="birdate" /> </resultMap> <!-- 查找 --> <select id="findAll" resultMap="deptAll"> select * from k_dept </select></mapper>3.Service层，也就是处理业务相关的。
DeptService.java接口文件如下：
package com.zhenqi.service;import com.zhenqi.entity.Dept;import java.util.List;/** * Created by wuming on 2017/9/8. */public interface DeptService { //查找所有内容 public List<Dept> findall();}实现类 DeptServiceImpl.java 如下：
package com.zhenqi.service.impl;import com.zhenqi.dao.DeptDao;import com.zhenqi.entity.Dept;import com.zhenqi.service.DeptService;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import java.util.List;/** * Created by wuming on 2017/9/8. */@Service("deptService")public class DeptServiceImpl implements DeptService { //注入dao对象 @Autowired private DeptDao deptDao; public List<Dept> findall() { return deptDao.findAll(); }}4、Controller层，也就是所谓的控制层。
DeptController.java文件如下：
package com.zhenqi.controller;import com.zhenqi.entity.Dept;import com.zhenqi.service.DeptService;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 javax.servlet.http.HttpServletRequest;import java.util.List;/** * Created by wuming on 2017/9/8. */@Controller@RequestMapping("/dept")public class DeptController { @Autowired private DeptService deptService; @RequestMapping("/find") public String find(ModelMap model, HttpServletRequest request){ List<Dept> deptList=deptService.findall(); //将获取到的数据存入ModelMap中，以便页面取出 model.addAttribute("depts", deptList); return "dept"; }}5、view层，就是jsp或html。
dept.jsp文件如下，其位置在 WEB-INF/views/ 目录下。
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ page isELIgnored="false"%><%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%><!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>Dept</title></head><body><table> <tr> <th>ID</th> <th>姓名</th> <th>年龄</th> <th>生日</th> </tr> <c:forEach var="dept" items="${depts}"> <tr> <td><c:out value="${dept.id}"/></td> <td><c:out value="${dept.name}"/></td> <td><c:out value="${dept.age}"/></td> <td><c:out value="${dept.birDate}"/></td> </tr> </c:forEach></table></body></html>启动Tomcat容器，如果不知怎么在IDEA中部署maven项目到Tomcat上的朋友，可参考文章：IDEA运行Maven项目部署tomcat上
访问浏览器，http://localhost:8080/kaoshi-ssm/dept/find 
至此，maven搭建ssm框架就先告一段落了。
可参考源码：Spring4 SpringMVC4 Mybatis3整合源码
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