SpringMVC+Spring+Mybatis整合，使用druid连接池，声明式事务，maven配置
一直对springmvc和mybatis挺怀念的，最近想自己再搭建下框架，然后写点什么。
暂时没有整合缓存，druid也没有做ip地址的过滤。Spring的AOP简单配置了下，也还没具体弄，不知道能不能用，log也不知道能不能用，`(*∩_∩*)′哈哈，有点不负责任......
2014-08-12 23:45补： =================开始================= 1、增加quartz :http://www.cnblogs.com/acehalo/p/3902731.html 2、mybatis添加ehcache缓存：http://www.cnblogs.com/acehalo/p/3902883.html 3、spring的aop: http://www.cnblogs.com/acehalo/p/3905718.html =================结束================
直接上代码：
使用的eclipse和eclipse自带的maven，参考了网上的资料，有些代码是拷贝的，不过都自己测试过了。嗯，可以跑起来...
先上项目结构：
新建maven项目，选择web，然后配置pom：
<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>ACE</groupId>
<artifactId>Test</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>Test Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<org.springframework.version>4.0.0.M2</org.springframework.version>
<org.slf4j.version>1.6.1</org.slf4j.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!-- servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</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>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!--mysql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.26</version>
</dependency>
<!-- spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${org.springframework.version}</version>
<exclusions>
<exclusion>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-expression</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-instrument</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-instrument-tomcat</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc-portlet</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-websocket</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!--mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.2.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.0</version>
</dependency>
<!-- Logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${org.slf4j.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.16</version>
<scope>runtime</scope>
</dependency>
<!-- druid -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.7</version>
</dependency>
</dependencies>
<!-- 仓库 -->
<repositories>
<!-- For Hibernate Validator -->
<repository>
<id>org.jboss.repository.release</id>
<name>JBoss Maven Release Repository</name>
<url>https://repository.jboss.org/nexus/content/repositories/releases</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
<repository>
<id>org.springsource.maven.snapshot</id>
<name>SpringSource Maven Central-compatible Snapshot Repository</name>
<url>http://maven.springframework.org/snapshot</url>
<snapshots>
<updatePolicy>daily</updatePolicy>
</snapshots>
</repository>
<repository>
<id>spring-milestone</id>
<name>Spring Maven MILESTONE Repository</name>
<url>http://maven.springframework.org/milestone</url>
</repository>
<repository>
<id>standard repo</id>
<url>http://repo1.maven.org/maven2</url>
</repository>
<repository>
<id>mirror repo</id>
<url>http://mirrors.ibiblio.org/pub/mirrors/maven2</url>
</repository>
<repository>
<id>com.springsource.repository.bundles.release</id>
<name>SpringSource Enterprise Bundle Repository - SpringSource Bundle Releases</name>
<url>http://repository.springsource.com/maven/bundles/release</url>
</repository>
<repository>
<id>com.springsource.repository.bundles.external</id>
<name>SpringSource Enterprise Bundle Repository - External Bundle Releases</name>
<url>http://repository.springsource.com/maven/bundles/external</url>
</repository>
<repository>
<id>sqlfire-release</id>
<url>http://dist.gemstone.com/maven/release</url>
</repository>
</repositories>
<build>
<finalName>Test</finalName>
</build>
</project>
web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5">
<!-- filter -->
<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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- listener -->
<listener>
<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
</listener>
<!-- servlet -->
<servlet>
<servlet-name>Test</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:applicationContext.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Test</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<error-page>
<error-code>404</error-code>
<location>/error/404.jsp</location>
</error-page>
<!-- druid -->
<servlet>
<servlet-name>DruidStatView</servlet-name>
<servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>DruidStatView</servlet-name>
<url-pattern>/druid/*</url-pattern>
</servlet-mapping>
</web-app>
applicationContext.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
">
<!-- spring 自动扫描组件 -->
<context:component-scan base-package="com.hi.test"/>
<import resource="spring-mvc.xml"/>
<import resource="spring-database.xml"/>
<import resource="spring-aop.xml"/>
<bean id="log4jInitialization"
class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
<property name="targetClass"
value="org.springframework.util.Log4jConfigurer" />
<property name="targetMethod" value="initLogging" />
<property name="arguments">
<list>
<value>classpath:log4j.xml</value>
</list>
</property>
</bean>
</beans>
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:mvc="http://www.springframework.org/schema/mvc"
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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
">
<mvc:annotation-driven />
<mvc:default-servlet-handler />
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
<property name="prefix" value="WEB-INF/views/"/>
<property name="suffix" value=".jsp"/>
</bean>
</beans>
spring-aop.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"
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/aop
http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
">
<!-- spring aop -->
<aop:aspectj-autoproxy />
</beans>
spring-database.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:mvc="http://www.springframework.org/schema/mvc"
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.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
">
<!-- 数据源 org.apache.commons.dbcp.BasicDataSource com.alibaba.druid.pool.DruidDataSource -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/mydb" />
<property name="username" value="root" />
<property name="password" value="123456" />
<!-- 初始化连接大小 -->
<property name="initialSize" value="0" />
<!-- 连接池最大使用连接数量 -->
<property name="maxActive" value="20" />
<!-- 连接池最小空闲 -->
<property name="minIdle" value="0" />
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="60000" />
<property name="validationQuery"><value>SELECT 1</value></property>
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<property name="testWhileIdle" value="true" />
<!-- 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="25200000" />
<!-- 打开removeAbandoned功能 -->
<property name="removeAbandoned" value="true" />
<!-- 1800秒，也就是30分钟 -->
<property name="removeAbandonedTimeout" value="1800" />
<!-- 关闭abanded连接时输出错误日志 -->
<property name="logAbandoned" value="true" />
<!-- 监控数据库 -->
<!-- <property name="filters" value="stat" /> -->
<property name="filters" value="mergeStat" />
</bean>
<!-- 配置druid监控spring jdbc -->
<bean id="druid-stat-interceptor"
class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
</bean>
<bean id="druid-stat-pointcut" class="org.springframework.aop.support.JdkRegexpMethodPointcut"
scope="prototype">
<property name="patterns">
<list>
<value>com.hi.test.service.*</value>
</list>
</property>
</bean>
<aop:config>
<aop:advisor advice-ref="druid-stat-interceptor"
pointcut-ref="druid-stat-pointcut" />
</aop:config>
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<!-- 声明式事务 -->
<tx:annotation-driven transaction-manager="transactionManager"
proxy-target-class="true" />
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
</bean>
<!-- 注册Mapper方式二：也可不指定特定mapper，而使用自动扫描包的方式来注册各种Mapper ，配置如下： -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="annotationClass" value="org.springframework.stereotype.Repository" />
<property name="basePackage" value="com.hi.test.mapper" />
<property name="sqlSessionFactory" ref="sqlSessionFactory" />
</bean>
</beans>
mybatis-config.xml:
<?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>
<mappers>
<mapper resource="com/hi/test/mapper/UserMapper.xml"/>
</mappers>
</configuration>
log4j.xml:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration PUBLIC "-//LOGGER" "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
<!-- Appenders -->
<appender name="console" class="org.apache.log4j.ConsoleAppender">
<param name="Target" value="System.out" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%-5p: %c - %m%n" />
</layout>
</appender>
<!-- 3rdparty Loggers -->
<logger name="org.springframework.core">
<level value="info" />
</logger>
<logger name="org.springframework.beans">
<level value="info" />
</logger>
<logger name="org.springframework.context">
<level value="info" />
</logger>
<logger name="org.springframework.web">
<level value="info" />
</logger>
<logger name="org.mybatis">
<level value="info" />
</logger>
<logger name="com.hi">
<level value="info"/>
</logger>
<!-- Root Logger -->
<root>
<priority value="warn" />
<appender-ref ref="console" />
</root>
</log4j:configuration>
commons-logging.properties:
org.apache.commons.logging.Log=org.apache.commons.logging.impl.Log4JLogger
IndexController:
package com.hi.test.controller;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.hi.test.bean.User;
import com.hi.test.mapper.UserMapper;
import com.hi.test.service.TxTestService;
@Controller
public class IndexController {
@Autowired
UserMapper userMapper;
@Autowired
TxTestService txTestService;
@RequestMapping(value = "/index")
public String index(HttpServletRequest request,Map model) {
//String name=request.getParameter("name");
//model.put("name", name);
User u=new User();
u.setUsername("admin");
u.setPassword("admin");
User user=userMapper.selectUser(u);
model.put("user", user);
return "hi";
}
@RequestMapping(value = "/text")
@ResponseBody
public String text(HttpServletRequest request) {
return "{\"what\":\"hi\"}";
}
@RequestMapping(value = "/indexList")
public String indexList(HttpServletRequest request,Map model) {
List<User> userList=userMapper.selectUserLsit();
model.put("userList", userList);
return "hiList";
}
@RequestMapping(value = "/TxTest")
@ResponseBody
public String test(HttpServletRequest request) {
txTestService.insert();
return "";
}
}
User:
package com.hi.test.bean;
public class User {
private int id;
private String username;
private String password;
public User(){
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String toString(){
return "User [id = "+ id +" , username = "+ username +"]" + " , password = "+ password;
}
}
UserMapper:
package com.hi.test.mapper;
import java.util.List;
import org.springframework.stereotype.Repository;
import com.hi.test.bean.User;
@Repository
public interface UserMapper {
public User selectUser(User user);
public void insertUser(User user);
public void updateUser(User user);
public void deleteUser(int userId);
public List selectUserLsit();
}
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.hi.test.mapper.UserMapper">
<resultMap id="userList" type="com.hi.test.bean.User">
<id column="id" property="id" />
<result column="username" property="username" />
<result column="password" property="password" />
</resultMap>
<select id="selectUser" parameterType="com.hi.test.bean.User" resultType="com.hi.test.bean.User">
SELECT * FROM user WHERE username=#{username} AND password=#{password}
</select>
<insert id="insertUser" parameterType="com.hi.test.bean.User" flushCache="true">
INSERT INTO user (id,username,password) VALUES (#{id},#{username},#{password})
</insert>
<update id="updateUser" parameterType="com.hi.test.bean.User">
UPDATE user SET password=#{password} WHERE id=#{id}
</update>
<delete id="deleteUser" parameterType="int">
DELETE FROM user WHERE id=#{userId}
</delete>
<select id="selectUserLsit" resultMap="userList">
SELECT * FROM user
</select>
</mapper>
TxTestService:
package com.hi.test.service;
import java.util.UUID;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.hi.test.bean.User;
import com.hi.test.mapper.UserMapper;
@Transactional
@Service
public class TxTestService {
@Autowired
UserMapper userMapper;
public void insert() {
for (int i = 0; i < 100; i++) {
User u = new User();
u.setUsername(UUID.randomUUID().toString());
u.setPassword(UUID.randomUUID().toString());
userMapper.insertUser(u);
}
throw new RuntimeException();
}
}
sql文件,navicat导出的:
/* Navicat MySQL Data Transfer Source Server : MySQL Source Server Version : 50704 Source Host : localhost:3306 Source Database : mydb Target Server Type : MYSQL Target Server Version : 50704 File Encoding : 65001 Date: 2014-08-09 23:52:32 */ SET FOREIGN_KEY_CHECKS=0; -- ---------------------------- -- Table structure for user -- ---------------------------- DROP TABLE IF EXISTS `user`; CREATE TABLE `user` ( `id` int(11) NOT NULL AUTO_INCREMENT, `username` varchar(255) NOT NULL, `password` varchar(255) NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=902 DEFAULT CHARSET=utf8; -- ---------------------------- -- Records of user -- ---------------------------- ', 'admin', 'admin');
index.jsp：
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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>Insert title here</title>
</head>
<body>
hi
</body>
</html>
hi.jsp:
<%@ page isELIgnored="false"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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>Insert title here</title>
</head>
<body>
this is springmvc,${user.username }
</body>
</html>
hiList.jsp:
<%@ page isELIgnored="false"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!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>Insert title here</title>
</head>
<body>
<c:forEach var="user" items="${userList}">
${user.username}----${user.password}<br>
</c:forEach>
</body>
</html>
======================================================================================
OK，代码贴完了，项目上右键，debug on server应该就能跑起来了。
几个链接可以查看效果：druid的监控信息：http://localhost:8080/Test/druid/sql.html
http://localhost:8080/Test/text.do
http://localhost:8080/Test/indexList.do
http://localhost:8080/Test/TxTest.do
现在简单讲讲，配置文件里面有注释就不说了：
一：在配置文件添加事务的时候遇到tx标签没用，在xsi:schemaLocation这里添加两行
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
就可以了。
二：还遇到EL表达式不能用，然后
web.xml修改:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5">
jsp增加:
<%@ page isELIgnored="false"%>
三：还有c:forEach这种标签不能用
在JSP上增加
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
就可以了
四：spring事务这里
数据库是mysql ，然后表引擎是InnoDB
用navicat在design table---option--engine可以看到
访问http://localhost:8080/Test/TxTest.do之后会出现异常，这个异常是手动抛出的，数据库也没有插入数据。
然后将表的引擎换成MyISAM，保存
之后再访问http://localhost:8080/Test/TxTest.do，发现数据库被插入数据了。
说明：Spring的这个声明事务能使用，MyISAM不支持事务。
五：Controller里的四个方法
第一个方法是一般的测试。
第二个方法是想测试返回json的，主要是@ResponseBody标签。
第三个方法测试LIST。
第四个是测试事务的。
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