Idea SpringMVC+Spring+MyBatis+Maven整合
建立項目
File-New Projecthtml
選中左側的Maven，選中右側上方的Create from archetype，而後選中下方列表中的webapp，而後點擊Next
前端
在GroupId和ArtifactId中填入指定內容，點擊Nextjava
直接點Next
mysql
輸入項目名稱，Finishweb
Idea會自動開始下載所依賴的包，等待其完成。spring
項目結構
項目剛建好的時候是沒有這些文件的，因此本身手動建立缺乏的文件夾（包）
sql
建立完後的項目框架：數據庫
修改pom.xml導入依賴包插件
依賴包須要以下：apache
spring framework
aspectj事務
c3p0數據源
servlet/jsp api
junit4
mybatis
mybatis spring整合
mysql driverapi
jstl
<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.elin4it.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>
<finalName>ssm</finalName>
<plugins>
<!--mybatis 逆向工程插件-->
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.2</version>
<configuration>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<spring.version>4.1.1.RELEASE</spring.version>
</properties>
<dependencies>
<!-- springframe start -->
<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-aop</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-test</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- springframe end -->
<!--aspectj start-->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.6</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>1.8.6</version>
</dependency>
<!--aspectj end-->
<!--c3p0-->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.1</version>
</dependency>
<!--servlet/jsp api start-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
<scope>provided</scope>
</dependency>
<!--servlet/jsp api end-->
<!--junit4-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!--mybatis-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.3.0</version>
</dependency>
<!--mybatis spring整合-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.3</version>
</dependency>
<!--mysql driver-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
</dependency>
<!--jstl-->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
</dependencies>
</project>
插件須要用到mybatis的逆向工程
完整的pom.xml代碼清單：
使用mybatis逆向工程建立mapper接口和xml文件
user表結構
DROP TABLE IF EXISTS `user`; /*!40101 SET @saved_cs_client = @@character_set_client */; /*!40101 SET character_set_client = utf8 */; CREATE TABLE `user` ( `id` int(11) NOT NULL AUTO_INCREMENT, `username` varchar(32) NOT NULL COMMENT '用戶名稱', `birthday` date DEFAULT NULL COMMENT '生日', `sex` char(1) DEFAULT NULL COMMENT '性別', `address` varchar(256) DEFAULT NULL COMMENT '地址', PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=27 DEFAULT CHARSET=utf8;
在main/resources中建立generatorConfig.xml文件
generatorConfig.xml代碼清單
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
<classPathEntry location="F:\jar\mysql\mysql-connector-java-5.1.7-bin.jar"/>
<context id="testTables" targetRuntime="MyBatis3" >
<commentGenerator>
<!-- 是否去除自動生成的註釋 true：是 ： false:否 -->
<property name="suppressAllComments" value="true" />
</commentGenerator>
<!--數據庫鏈接的信息：驅動類、鏈接地址、用戶名、密碼 -->
<!--<jdbcConnection driverClass="${jdbc.driver}"-->
<!--connectionURL="${jdbc.url}"-->
<!--userId="${jdbc.username}"-->
<!--password="${jdbc.password}">-->
<!--</jdbcConnection>-->
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://127.0.0.1:3306/mybatis?characterEncoding=UTF-8"
userId="root"
password="">
</jdbcConnection>
<!-- 默認false，把JDBC DECIMAL 和 NUMERIC 類型解析爲 Integer，爲 true時把JDBC DECIMAL 和
NUMERIC 類型解析爲java.math.BigDecimal -->
<javaTypeResolver>
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<!-- targetProject:生成PO類的位置 -->
<javaModelGenerator targetPackage="com.elin4it.ssm.pojo"
targetProject="src\main\java">
<!-- enableSubPackages:是否讓schema做爲包的後綴 -->
<property name="enableSubPackages" value="false" />
<!-- 從數據庫返回的值被清理先後的空格 -->
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!-- targetProject:mapper映射文件生成的位置 -->
<sqlMapGenerator targetPackage="com.elin4it.ssm.mapper"
targetProject="src\main\resources">
<!-- enableSubPackages:是否讓schema做爲包的後綴 -->
<property name="enableSubPackages" value="false" />
</sqlMapGenerator>
<!-- targetPackage：mapper接口生成的位置 -->
<javaClientGenerator type="XMLMAPPER"
targetPackage="com.elin4it.ssm.mapper"
targetProject="src\main\java">
<!-- enableSubPackages:是否讓schema做爲包的後綴 -->
<property name="enableSubPackages" value="false" />
</javaClientGenerator>
<!-- 指定數據庫表 -->
<table tableName="user"></table>
<!-- 有些表的字段須要指定java類型
<table schema="" tableName="">
<columnOverride column="" javaType="" />
</table> -->
</context>
</generatorConfiguration>
點擊idea右側的maven選項卡，選擇其中的mybatis-generator，點擊頂部的綠色按鈕運行
若是沒有出錯的話，應該會自動生成mapper接口文件、xml文件、pojo文件。
db.properties文件
在resources/config中建立db.properties，該文件用來描述mysql鏈接信息
jdbc.driver = com.mysql.jdbc.Driver jdbc.url = jdbc:mysql://127.0.0.1:3306/mybatis?characterEncoding=UTF-8 jdbc.username = root jdbc.password =
SqlMapConfig文件
在resources/config/mybatis中建立SqlMapConfig.xml文件，該文件爲Mybatis的配置文件，因爲跟spring整合，因此一些基礎配置文件都在spring中，在這裏該文件中值須要寫文件的框架
<?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>
</configuration>
SpringMVC配置文件
在resources/config/spring中建立springmvc.xml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.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">
<!--自動掃描控制器-->
<context:component-scan base-package="com.elin4it.ssm.controller"/>
<!--視圖渲染-->
<bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/"/>
<property name="suffix" value=".jsp"/>
</bean>
<!--控制器映射器和控制器適配器-->
<mvc:annotation-driven></mvc:annotation-driven>
</beans>
Spring IOC注入和事件控制
在resources/config/spring中建立applicationContext-dao.xml、application-service.xml、applicationContext-transaction.xml文件
applicationContext-dao.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"
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">
<!--獲取數據庫配置文件-->
<context:property-placeholder location="classpath:config/db.properties"/>
<!--設置數據源c3p0-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
<property name="driverClass" value="${jdbc.driver}"/>
<property name="jdbcUrl" value="${jdbc.url}"/>
<property name="user" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<property name="maxPoolSize" value="50"/>
<property name="minPoolSize" value="2"/>
<property name="maxIdleTime" value="60"/>
</bean>
<!--sqlsessionFactory bean-->
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="configLocation" value="classpath:config/mybatis/SqlMapConfig.xml"/>
<property name="dataSource" ref="dataSource"/>
</bean>
<!--自動掃描mapper接口，並注入sqlsession-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.elin4it.ssm.mapper"/>
<property name="sqlSessionFactoryBeanName" value="sqlSession"/>
</bean>
</beans>
application-service.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"
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">
<!--掃描service-->
<context:component-scan base-package="com.elin4it.ssm.service"/>
</beans>
applicationContext-transaction.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:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
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">
<bean id="dataSourceTransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"/>
</bean>
<tx:advice id="txAdvice" transaction-manager="dataSourceTransactionManager">
<tx:attributes>
<tx:method name="find*" propagation="REQUIRED"/>
<tx:method name="update*" propagation="REQUIRED"/>
<tx:method name="delete*" propagation="REQUIRED"/>
<tx:method name="add*" propagation="REQUIRED"/>
</tx:attributes>
</tx:advice>
<aop:config>
<aop:advisor advice-ref="txAdvice" pointcut="execution(* cn.elinzhou.ixxs.service.*.*(..))"/>
</aop:config>
</beans>
web.xml文件
修改web.xml文件內容
<?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">
<!--設置spring 配置文件的位置-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:config/spring/applicationContext-*.xml</param-value>
</context-param>
<!--配置spring listener-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--解決POST亂碼問題-->
<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前端控制器配置-->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:config/spring/springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
Service接口與實現
建立一個簡單的service，只有一個查看全部用戶列表的功能
UserService.java
package com.elin4it.ssm.service;
import com.elin4it.ssm.pojo.User;
import java.util.List;
/**
* Created by 烽 on 2015/7/11.
*/
public interface UserService {
/**
* 查找全部用戶
* @return
* @throws Exception
*/
List<User> findUser()throws Exception;
}
實現類UserServiceImpl.java
package com.elin4it.ssm.service;
import com.elin4it.ssm.mapper.UserMapper;
import com.elin4it.ssm.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
/**
* Created by 烽 on 2015/7/11.
*/
@Service
public class UserServiceImpl implements UserService {
//User接口
@Autowired
private UserMapper userMapper;
public List<User> findUser() throws Exception {
//調用mapper類中的selectByExample方法，若是傳入類型爲null，則表示無條件查找
List<User> users = userMapper.selectByExample(null);
return users;
}
}
Controller
package com.elin4it.ssm.controller;
import com.elin4it.ssm.pojo.User;
import com.elin4it.ssm.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import java.util.List;
/**
* Created by 烽 on 2015/7/11.
*/
@Controller
@RequestMapping("/user")
public class UserController {
//service類
@Autowired
private UserService userService;
/**
* 查找所用用戶控制器方法
* @return
* @throws Exception
*/
@RequestMapping("/findUser")
public ModelAndView findUser()throws Exception{
ModelAndView modelAndView = new ModelAndView();
//調用service方法獲得用戶列表
List<User> users = userService.findUser();
//將獲得的用戶列表內容添加到ModelAndView中
modelAndView.addObject("users",users);
//設置響應的jsp視圖
modelAndView.setViewName("findUser");
return modelAndView;
}
}
視圖
根據以前寫的controller，返回的視圖爲findUser，因此在/WEB-INF/views中建立findUser.jsp文件，用來顯示查詢出來的結果
<%--
Created by IntelliJ IDEA.
User: 烽
Date: 2015/7/11
Time: 19:47
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title></title>
</head>
<body>
<h1>findUser</h1>
<table>
<c:forEach items="${users}" var="u">
<tr>
<td>${u.id}</td>
<td>${u.username}</td>
<td>${u.birthday}</td>
</tr>
</c:forEach>
</table>
</body>
</html>
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