springMVC4+Spring4+Mybaties3项目整合简单例子

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一.创建一个web的maven项目

项目完整结构图:
项目结构

 二.相关文件内容


 1.pom.xml
<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.xqlee.dev.project.ssm</groupId>
	<artifactId>demo-ssm</artifactId>
	<packaging>war</packaging>
	<version>0.0.1-SNAPSHOT</version>
	<name>demo-ssm Maven Webapp</name>
	<url>http://maven.apache.org</url>
	<profiles>
		<profile>
			<id>jdk-1.8</id>
			<!-- 另外一种激活方式 -->
			<activation>
				<activeByDefault>true</activeByDefault>
				<jdk>1.8</jdk>
			</activation>
			<properties>
				<maven.compiler.source>1.8</maven.compiler.source>
				<maven.compiler.target>1.8</maven.compiler.target>
				<maven.compiler.compilerVersion>1.8</maven.compiler.compilerVersion>
				<com.fasterxml.jackson.jaxrs.version>2.4.1</com.fasterxml.jackson.jaxrs.version>
			</properties>
		</profile>
	</profiles>
	<!-- 属性版本 -->
	<properties>
		<junit.version>4.12</junit.version>
		<spring.version>4.1.7.RELEASE</spring.version>
		<mybatis.version>3.2.6</mybatis.version>
		<org.slf4j.version>1.7.2</org.slf4j.version>
		<mysql.driver.version>5.1.32</mysql.driver.version>
		<com.fasterxml.jackson.jaxrs.version>2.4.1</com.fasterxml.jackson.jaxrs.version>
		<commons-fileupload.version>1.3.1</commons-fileupload.version>

	</properties>
	<dependencies>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>3.1.0</version>
		</dependency>
		<!-- 测试所需 -->
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>${junit.version}</version>
			<scope>test</scope>
		</dependency>

		<!-- spring core -->
		<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-web</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-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-test</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<!-- mybatis核心包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>${mybatis.version}</version>
		</dependency>
		<!-- mybatis/spring包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.2.2</version>
		</dependency>
		<!-- MySQL数据库驱动 导入 start -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>${mysql.driver.version}</version>
		</dependency>
		<!-- MySQL数据库驱动 导入 end -->

		<!-- 导入dbcp的jar包,数据库连接池 -->
		<dependency>
			<groupId>commons-dbcp</groupId>
			<artifactId>commons-dbcp</artifactId>
			<version>1.2.2</version>
		</dependency>


		<!-- el 标签库 -->
		<!-- standard.jar -->
		<dependency>
			<groupId>taglibs</groupId>
			<artifactId>standard</artifactId>
			<version>1.1.2</version>
		</dependency>
		<!-- JSTL -->
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>1.1.2</version>
		</dependency>
		<!-- /el 标签库 -->

		<!-- 处理json -->
		<dependency>
			<groupId>com.fasterxml.jackson.jaxrs</groupId>
			<artifactId>jackson-jaxrs-xml-provider</artifactId>
			<version>${com.fasterxml.jackson.jaxrs.version}</version>
		</dependency>

		<!-- 文件上传下载 -->
		<dependency>
			<groupId>commons-fileupload</groupId>
			<artifactId>commons-fileupload</artifactId>
			<version>${commons-fileupload.version}</version>
		</dependency>

		<!-- slf4j 和 log4j合用的Maven配置 -->
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>${org.slf4j.version}</version>
		</dependency>



	</dependencies>


	<build>
		<finalName>demo-ssm</finalName>
	</build>
</project>

2.整合spring mybaties spring-mybatis.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-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">
	<!-- 引入配置文件 -->
	<bean id="propertyConfigurer"
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="location" value="classpath:jdbc.properties" />
	</bean>

	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
		destroy-method="close">
		<property name="driverClassName" value="${driver}" />
		<property name="url" value="${url}" />
		<property name="username" value="${username}" />
		<property name="password" value="${password}" />
		<!-- 初始化连接大小 -->
		<property name="initialSize" value="${initialSize}"></property>
		<!-- 连接池最大数量 -->
		<property name="maxActive" value="${maxActive}"></property>
		<!-- 连接池最大空闲 -->
		<property name="maxIdle" value="${maxIdle}"></property>
		<!-- 连接池最小空闲 -->
		<property name="minIdle" value="${minIdle}"></property>
		<!-- 获取连接最大等待时间 -->
		<property name="maxWait" value="${maxWait}"></property>
	</bean>

	<!-- ========================================针对myBatis的配置项============================== -->
	<!-- 配置sqlSessionFactory -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 实例化sqlSessionFactory时需要使用上述配置好的数据源以及SQL映射文件 -->
		<property name="dataSource" ref="dataSource" />
		<!-- 自动扫描me/gacl/mapping/目录下的所有SQL映射的xml文件, 省掉Configuration.xml里的手工配置 value="classpath:com/mapper/*.xml"指的是classpath(类路径)下com.mapping包中的所有xml文件 
			UserMapper.xml位于com.mapping包下,这样UserMapper.xml就可以被自动扫描 -->
		<property name="mapperLocations"
			value="classpath:com/xqlee/dev/project/ssm/mapping/*.xml" />

		<!-- 加载mybatis.cfg.xml文件 -->
		<property name="configLocation" value="classpath:mybatis.cfg.xml"></property>
	</bean>
	<!-- 配置扫描器 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<!-- 扫描com.dao这个包以及它的子包下的所有映射接口类 -->
		<property name="basePackage" value="com.xqlee.dev.project.ssm.dao" />
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
	</bean>

	<!-- ========================================分隔线========================================= -->

	<!-- (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>

</beans>  

3.mybatis.cfg.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>

</configuration>

4.jdbc.properties
driver=com.mysql.jdbc.Driver
url=jdbc:mysql://127.0.0.1:3306/test
username=root
password=root
 
initialSize=0
  
maxActive=20
 
maxIdle=20
  
minIdle=1
 
maxWait=60000

5.log4j.properties
log4j.rootLogger=INFO,Console,File  
 
log4j.appender.Console=org.apache.log4j.ConsoleAppender  
log4j.appender.Console.Target=System.out  
log4j.appender.Console.layout = org.apache.log4j.PatternLayout  
log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n  
  
log4j.appender.File = org.apache.log4j.RollingFileAppender  
log4j.appender.File.File = logs/ssm.log  
log4j.appender.File.MaxFileSize = 10MB  
log4j.appender.File.Threshold = ALL  
log4j.appender.File.layout = org.apache.log4j.PatternLayout  
log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n  

6.spring-context.xml,spring容器启动配置
<?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:tx="http://www.springframework.org/schema/tx"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:jpa="http://www.springframework.org/schema/data/jpa"
	xsi:schemaLocation="http://www.springframework.org/schema/beans     
            http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
            http://www.springframework.org/schema/mvc 
            http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd
              http://www.springframework.org/schema/aop
            http://www.springframework.org/schema/aop/spring-aop-4.1.xsd 
            http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context-4.1.xsd
            http://www.springframework.org/schema/tx 
            http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
            http://www.springframework.org/schema/data/jpa
            http://www.springframework.org/schema/data/jpa/spring-jpa.xsd ">
	<context:annotation-config />
		<import resource="classpath:spring-mybatis.xml"/>
		<import resource="classpath:spring-mvc.xml"/>
</beans>

7.spring-mvc.xml,springMVC配置类
<?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-4.1.xsd
            http://www.springframework.org/schema/mvc 
            http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd 
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context-4.1.xsd ">

	<!-- 自动扫描controller包下所有 -->
	<context:component-scan base-package="com.xqlee.dev.project.ssm" />
	<!-- 注解驱动 -->
	<mvc:annotation-driven />
	<mvc:default-servlet-handler />
	<!-- 资源管理不拦截 -->
	<mvc:resources location="/resources/" mapping="/resources/**" />
	<mvc:resources location="/upload/" mapping="/upload/**" />

	<!-- 内部资源视图解析器 prefix + logicName + suffix /WEB-INF/jsps/ + index + .jsp -->
	<bean id="internalResourceViewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<!-- 前缀 -->
		<property name="prefix" value="/WEB-INF/pages/" />
		<!-- 后缀 -->
		<property name="suffix" value="" />
	</bean>

	<!-- 处理在controller中使用注解@ResponseBody标签返回JSON数据 Start -->
	<!-- 注意[由于我在pom.xml引入的是2.4.1版本]:所以class=org.springframework.http.converter.json.MappingJackson2HttpMessageConverter -->
	<!-- [如果pom.xml引入的是1.xx版本]class=org.springframework.http.converter.json.MappingJacksonHttpMessageConverter -->
	<bean id="mappingJackson2HttpMessageConverter"
		class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
		<property name="supportedMediaTypes">
			<list>
				<value>text/html;charset=UTF-8</value>
				<value>text/json;charset=UTF-8</value>
				<value>application/json;charset=UTF-8</value>
			</list>
		</property>
	</bean>
	<bean
		class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
		<property name="messageConverters">
			<list>
				<ref bean="mappingJackson2HttpMessageConverter" />
			</list>
		</property>
	</bean>
	<!-- JSON数据处理 End -->

	<!-- 上传图片/文件需要配置 -->
	<bean id="multipartResolver"
		class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
		<property name="maxUploadSize" value="-1" /><!-- -1表示没有限制 -->
		<property name="maxInMemorySize" value="4096" />
	</bean>

</beans>

8.User.java
package com.xqlee.dev.project.ssm.pojo;

public class User {
	private int id;
	private String name;
	private String password;
	private int age;

	/**
	 * @return the id
	 */
	public int getId() {
		return id;
	}

	/**
	 * @param id
	 *            the id to set
	 */
	public void setId(int id) {
		this.id = id;
	}

	/**
	 * @return the name
	 */
	public String getName() {
		return name;
	}

	/**
	 * @param name
	 *            the name to set
	 */
	public void setName(String name) {
		this.name = name;
	}

	/**
	 * @return the password
	 */
	public String getPassword() {
		return password;
	}

	/**
	 * @param password
	 *            the password to set
	 */
	public void setPassword(String password) {
		this.password = password;
	}

	/**
	 * @return the age
	 */
	public int getAge() {
		return age;
	}

	/**
	 * @param age
	 *            the age to set
	 */
	public void setAge(int age) {
		this.age = age;
	}

}
9.UserMapper.java
package com.xqlee.dev.project.ssm.dao;

import java.util.List;

import org.apache.ibatis.annotations.Param;

import com.xqlee.dev.project.ssm.pojo.User;

public interface UserMapper {
	User findById(@Param("id")int id);

	List<User> findList(@Param("name")String name);
}
10.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.xqlee.dev.project.ssm.dao.UserMapper">

	<resultMap id="BaseMap" type="com.xqlee.dev.project.ssm.pojo.User">
		<id column="id" property="id" jdbcType="INTEGER" /><!-- 注意这里的jdbcType参考mybaties官方文档 -->
		<result column="name" property="name" jdbcType="VARCHAR" />
	</resultMap>

	<!-- mapper代理开发方式,namespace的值必须是对应接口的全类名 -->
	<select id="findById" parameterType="int"
		resultType="com.xqlee.dev.project.ssm.pojo.User">
		select * from t_user where id = #{id}
	</select>

	<select id="findList" resultMap="BaseMap" parameterType="java.util.Map">
		select * from t_user u where 1=1
		<if test="name != null"> and u.name like
			CONCAT('%',#{name,jdbcType=VARCHAR},'%') </if>
	</select>

</mapper> 
11.UserService.java
package com.xqlee.dev.project.ssm.service;

import java.util.List;

import com.xqlee.dev.project.ssm.pojo.User;

public interface UserService {
	User getById(int id);

	List<User> findList(String name);
}
12.UserServiceImp.java
package com.xqlee.dev.project.ssm.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.xqlee.dev.project.ssm.dao.UserMapper;
import com.xqlee.dev.project.ssm.pojo.User;

@Service("userService")
public class UserServiceImp implements UserService {

	@Autowired
	UserMapper userMapper;

	@Override
	public User getById(int id) {

		return userMapper.findById(id);
	}

	@Override
	public List<User> findList(String name) {
		// TODO Auto-generated method stub
		return userMapper.findList(name);
	}

}

13.Test.java
package com.xqlee.dev.project.ssm;

import java.util.List;

import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.xqlee.dev.project.ssm.pojo.User;
import com.xqlee.dev.project.ssm.service.UserService;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "classpath:spring-context.xml" })
public class Test {

	@Autowired
	UserService userService;

	@org.junit.Test
	public void test1() {
		User user = userService.getById(1);
		System.out.println(user.getName());
		
		List<User> users=userService.findList("");
		for(User u:users){
			System.out.println("name:"+u.getName()+" id:"+u.getId());
		}
	}
}
14.测试表以及测试数据
DROP TABLE IF EXISTS `t_user`;  
  
CREATE TABLE `t_user` (  
  `id` int(11) NOT NULL AUTO_INCREMENT,  
  `name` varchar(40) NOT NULL,  
  `password` varchar(255) NOT NULL,  
  `age` int(4) NOT NULL,  
  PRIMARY KEY (`id`)  
) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;  
  
/*Data for the table `user_t` */  
  
insert  into `t_user`(`id`,`name`,`password`,`age`) values (1,'测试1','123456',24); 
insert  into `t_user`(`id`,`name`,`password`,`age`) values (2,'测试2','123456',25);  
insert  into `t_user`(`id`,`name`,`password`,`age`) values (3,'测试3','123456',26);   
15.执行测试:
测试结果

看到上图的结果,表示spring+mybaties已经完成整合,接下来将springMVC整合进来就OK了。

16.配置web.xml,整合上面的springMVC+spring+mybaties
<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_3_0.xsd"
	version="3.0">
	<display-name>Archetype Created Web Application</display-name>

	<!-- 字符集处理 -->
	<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>


	<!-- spring 核心配置 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:/spring-context.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<!-- 配置缓存清除监听器,负责处理由 JavaBean Introspector 功能而引起的缓存泄露 -->
	<listener>
		<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
	</listener>


	<!-- springMVC配置 -->
	<servlet>
		<servlet-name>springMVCSerlet</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>springMVCSerlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

	<!-- 添加下面容器,防止同一个服务器部署多个项目web.root冲突 -->
	<context-param>
		<param-name>webAppRootKey</param-name>
		<param-value>springMVC4</param-value>
	</context-param>

	<!-- session timeout -->
	<session-config>
		<!-- 分钟 -->
		<session-timeout>60</session-timeout>
	</session-config>

	<!-- log4j配置 -->
	<context-param>
		<param-name>log4jConfigLocation</param-name>
		<param-value>classpath:/log4j.properties</param-value>
	</context-param>
	<context-param>
		<param-name>log4jRefreshInterval</param-name>
		<param-value>60000</param-value>
	</context-param>
	<!--添加监听 -->
	<listener>
		<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
	</listener>
	<!-- /log4j配置 -->

	<!-- welcome page -->
	<welcome-file-list>
		<welcome-file>index.html</welcome-file>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>

	<!-- session copy -->
	<distributable />
</web-app>
17.WEB-INF目录下创建pages目录,并且在里面创建一个hello.jsp
hello.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="ISO-8859-1"%>
<!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>hello</title>
</head>
<body>
Hello ,<B>${name }</B>
</body>
</html>
18.创建UserController.java
package com.xqlee.dev.project.ssm.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;

import com.xqlee.dev.project.ssm.pojo.User;
import com.xqlee.dev.project.ssm.service.UserService;

@Controller
public class UserController {

	@Autowired
	UserService userService;

	@RequestMapping("/hello/{id}.html")
	public String hello(@PathVariable(value="id") int id, Model model) {
		User user = userService.getById(id);
		model.addAttribute("name", user.getName());
		return "hello.jsp";
	}

}

上面内容创建完成后,将项目添加到tomcat或者其他容器中,启动项目
tomcat启动日志

上图是tomcat的启动日志,圈出来的是我们在UserController写的一个访问类
下面在浏览器中输入地址:
浏览器
说明:访问地址 /hello/1.html
1表示后台control中接受到的用户id的参数值。
之所以页面显示的测试1,是因为前面我们已经将测试数据导入数据库,id等于1的用户刚好名称叫测试1
至此SSM三大框架整合基础完成。
地址:https://www.leftso.com/article/72.html

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