Java框架篇:Spring+SpringMVC+hibernate整合开发

2025-05-29 0 104

前言:

最近没什么事做,搭个框架写成博客记录下来,拉通一下之前所学知识.

话不多说,我们直接步入正题。

准备工作:

  1/安装并配置java运行环境

  2/数据库的安装配置(mysql)

  3/安装并配置服务器(tomcat)

  4/maven

  5/ intellijidea的安装配置(本人使用的主要软件是intellijidea,没用eclipse什么的)

  6/ 使用intellijidea创建一个web app项目。

貌似就这些了吧

导包

不同于以往的导包,由于我们创建的是maven的webapp项目,所以现在只需配置下pomxml这个配置文件,系统会自动到maven的中央仓库去下载相应的包.

本人的pom.xml配置文件如下(都写有说明的哈):

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<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>xrog</groupid>

<artifactid>ssh</artifactid>

<packaging>war</packaging>

<version>1.0-snapshot</version>

<name>ssh maven webapp</name>

<url>http://maven.apache.org</url>

<!-- 本人将配置包的版本信息都统一放入此处,方便以后管理-->

<properties>

<springversion>4.3.1.release</springversion>

<hibernateversion>4.3.5.final</hibernateversion>

<jstlversion>1.2</jstlversion>

<taglibversion>1.1.2</taglibversion>

<servletversion>3.0-alpha-1</servletversion>

<jsonversion>1.9.13</jsonversion>

<jacksonversion>2.5.0</jacksonversion>

<mysqlversion>6.0.3</mysqlversion>

<c3p0version>0.9.1.2</c3p0version>

<log4jversion>1.2.17</log4jversion>

<fileuploadversion>1.3.1</fileuploadversion>

<lombokversion>1.16.10</lombokversion>

</properties>

<dependencies>

<!-- 单元测试 -->

<dependency>

<groupid>junit</groupid>

<artifactid>junit</artifactid>

<version>3.8.1</version>

<scope>test</scope>

</dependency>

<!-- spring-->

<dependency>

<groupid>org.springframework</groupid>

<artifactid>spring-beans</artifactid>

<version>${springversion}</version>

</dependency>

<dependency>

<groupid>org.springframework</groupid>

<artifactid>spring-core</artifactid>

<version>${springversion}</version>

</dependency>

<dependency>

<groupid>org.springframework</groupid>

<artifactid>spring-context</artifactid>

<version>${springversion}</version>

</dependency>

<dependency>

<groupid>org.springframework</groupid>

<artifactid>spring-orm</artifactid>

<version>${springversion}</version>

</dependency>

<!-- spring web + spring mvc-->

<dependency>

<groupid>org.springframework</groupid>

<artifactid>spring-web</artifactid>

<version>${springversion}</version>

</dependency>

<dependency>

<groupid>org.springframework</groupid>

<artifactid>spring-webmvc</artifactid>

<version>${springversion}</version>

</dependency>

<!-- hibernate配置-->

<dependency>

<groupid>org.hibernate</groupid>

<artifactid>hibernate-core</artifactid>

<version>${hibernateversion}</version>

</dependency>

<!-- hibernate 缓存, 视情况添加-->

<dependency>

<groupid>org.hibernate</groupid>

<artifactid>hibernate-ehcache</artifactid>

<version>${hibernateversion}</version>

</dependency>

<!-- jsp页面使用的jstl支持-->

<dependency>

<groupid>jstl</groupid>

<artifactid>jstl</artifactid>

<version>${jstlversion}</version>

</dependency>

<dependency>

<groupid>taglibs</groupid>

<artifactid>standard</artifactid>

<version>${taglibversion}</version>

</dependency>

<dependency>

<groupid>javax.servlet</groupid>

<artifactid>servlet-api</artifactid>

<version>${servletversion}</version>

<scope>provided</scope>

</dependency>

<!-- database数据库连接 mysql包-->

<dependency>

<groupid>mysql</groupid>

<artifactid>mysql-connector-java</artifactid>

<version>${mysqlversion}</version>

</dependency>

<!-- 数据库连接池-->

<dependency>

<groupid>c3p0</groupid>

<artifactid>c3p0</artifactid>

<version>${c3p0version}</version>

</dependency>

<!-- json数据 使springmvc可以返回json值 ,视情况添加-->

<dependency>

<groupid>org.codehaus.jackson</groupid>

<artifactid>jackson-mapper-asl</artifactid>

<version>${jsonversion}</version>

</dependency>

<!-- jackson可以轻松的将java对象转换成json对象和xml文档,同样也可以将json、xml转换成java对象-->

<dependency>

<groupid>com.fasterxml.jackson.core</groupid>

<artifactid>jackson-core</artifactid>

<version>${jacksonversion}</version>

</dependency>

<dependency>

<groupid>com.fasterxml.jackson.core</groupid>

<artifactid>jackson-annotations</artifactid>

<version>${jacksonversion}</version>

</dependency>

<dependency>

<groupid>com.fasterxml.jackson.core</groupid>

<artifactid>jackson-databind</artifactid>

<version>${jacksonversion}</version>

</dependency>

<!-- log4j配置, 视情况添加-->

<dependency>

<groupid>log4j</groupid>

<artifactid>log4j</artifactid>

<version>${log4jversion}</version>

</dependency>

<!--文件 上传-->

<dependency>

<groupid>commons-fileupload</groupid>

<artifactid>commons-fileupload</artifactid>

<version>${fileuploadversion}</version>

</dependency>

<!-- lombok插件导包-->

<dependency>

<groupid>org.projectlombok</groupid>

<artifactid>lombok</artifactid>

<version>${lombokversion}</version>

<scope>provided</scope>

</dependency>

</dependencies>

<build>

<finalname>ssh</finalname>

</build>

</project>

ok,配置后运行下maven,就会自动向中央仓库下载相应的包啦!(这个就不多说了)。

springmvc配置

我现在在这里把我配置后的结构拿出来给你们看下

Java框架篇:Spring+SpringMVC+hibernate整合开发

我们先配置下springmvc的配置:resources/meta-inf/spring-mvc.xml

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<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-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/mvc

http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd">

<!-- 启动注解驱动的spring mvc功能,注册请求url和注解pojo类方法的映射-->

<mvc:annotation-driven />

<!-- 对模型视图名称的解析,在请求时模型视图名称添加前后缀 -->

<context:component-scan base-package="com.ssh" />

<bean id="viewresolver" class="org.springframework.web.servlet.view.internalresourceviewresolver">

<property name="viewclass" value="org.springframework.web.servlet.view.jstlview" />

<property name="prefix" value="views/" /> <!-- 前缀 -->

<property name="suffix" value=".jsp" /> <!-- 后缀 -->

</bean>

<!--这里是对静态资源的映射-->

<mvc:resources mapping="/js/**" location="/resources/js/" />

<mvc:resources mapping="/css/**" location="/resources/css/" />

<mvc:resources mapping="/img/**" location="/resources/img/" />

</beans>

好了,我们现在修改下web.xml这个配置文件,完善下springmvc的配置, web.xml配置如下:

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<?xml version="1.0" encoding="utf-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"

xmlns="http://java.sun.com/xml/ns/javaee"

xsi:schemalocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"

version="3.0">

<!-- 地址为http://localhost:8080/ 显示的默认网页-->

<welcome-file-list>

<welcome-file>/index.jsp</welcome-file>

</welcome-file-list>

<!-- spring mvc config start-->

<servlet>

<servlet-name>spring</servlet-name>

<servlet-class>org.springframework.web.servlet.dispatcherservlet</servlet-class>

<init-param>

<param-name>contextconfiglocation</param-name>

<!-- 此处指向的的是springmvc的配置文件 -->

<param-value>classpath:meta-inf/spring-mvc.xml</param-value>

</init-param>

<!--配置容器在启动的时候就加载这个servlet并实例化-->

<load-on-startup>1</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>spring</servlet-name>

<url-pattern>/</url-pattern>

</servlet-mapping>

<!-- spring mvc config end-->

</web-app>

ok,springmvc配置完成,现在我们进行一下测试吧

在controller层新建一个maincontroller,内容如下

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package com.ssh.controller;

import org.springframework.stereotype.controller;

import org.springframework.web.bind.annotation.requestmapping;

import org.springframework.web.bind.annotation.requestmethod;

/**

* created by xrog

* on 2/1/2017.12:36 am

*/

@controller

public class maincontroller {

@requestmapping(value = "test", method = requestmethod.get)

public string test(){

// 实际返回的是views/test.jsp ,spring-mvc.xml中配置过前后缀

return "test";

}

}

test.jsp网页如下:

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<html>

<body>

<center>

<h2 style="color: #ff261a;">this is my test page!</h2>

</center>

</body>

</html>

重启tomcat服务器, 然后浏览器访问如下图所示:

Java框架篇:Spring+SpringMVC+hibernate整合开发

ps: tomcat默认端口是8080,我更改了端口号,如若你们为更改,正确的访问地址是localhost:8080/test

ok,成功访问。

springmvc+spring整合

这个就十分简单了, 配置applicationcontext.xml这个spring的配置文件如下:

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<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-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/mvc

http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd">

<!-- 自动扫描 -->

<context:component-scan base-package="com.ssh">

<!-- 扫描时跳过 @controller 注解的java类(控制器) -->

<context:exclude-filter type="annotation" expression="org.springframework.stereotype.controller"/>

</context:component-scan>

</beans>

完善web.xml配置文件如下:

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<?xml version="1.0" encoding="utf-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/xmlschema-instance"

xmlns="http://java.sun.com/xml/ns/javaee"

xsi:schemalocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"

version="3.0">

<!-- 地址为http://localhost:8080/ 显示的默认网页-->

<welcome-file-list>

<welcome-file>/index.jsp</welcome-file>

</welcome-file-list>

<!--加载spring的配置文件到上下文中去-->

<context-param>

<param-name>contextconfiglocation</param-name>

<param-value>

classpath:meta-inf/applicationcontext.xml

</param-value>

</context-param>

<!-- spring mvc config start-->

<servlet>

<servlet-name>spring</servlet-name>

<servlet-class>org.springframework.web.servlet.dispatcherservlet</servlet-class>

<init-param>

<param-name>contextconfiglocation</param-name>

<!-- 此处指向的的是springmvc的配置文件 -->

<param-value>classpath:meta-inf/spring-mvc.xml</param-value>

</init-param>

<!--配置容器在启动的时候就加载这个servlet并实例化-->

<load-on-startup>1</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>spring</servlet-name>

<url-pattern>/</url-pattern>

</servlet-mapping>

<!-- spring mvc config end-->

<!-- spring监听器 -->

<listener>

<listener-class>org.springframework.web.context.contextloaderlistener</listener-class>

</listener>

<!-- 字符集过滤 -->

<filter>

<filter-name>encodingfilter</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>encodingfilter</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

</web-app>

web.xml配置文件中更改了三处:引入spring配置文件 spring的监听器 以及 字符集过滤

ok,spring+springmvc配置完成,下面我们开始测试:

在service写一个testserviceimpl实现testservice接口并实现其test()方法, 代码如下:

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package com.ssh.service.impl;

import com.ssh.service.testservice;

import org.springframework.stereotype.service;

/**

* created by xrog

* on 2/1/2017.12:58 am

*/

@service

public class testserviceimpl implements testservice {

public string test() {

return "test";

}

}

ps:这里注意写@service注解

maincontroller控制器更改如下:

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package com.ssh.controller;

import com.ssh.service.testservice;

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.requestmethod;

import org.springframework.web.bind.annotation.responsebody;

/**

* created by xrog

* on 2/1/2017.12:36 am

*/

@controller

public class maincontroller {

@autowired

private testservice testservice;

@requestmapping(value = "test", method = requestmethod.get)

public string test(){

// 实际返回的是views/test.jsp ,spring-mvc.xml中配置过前后缀

return "test";

}

@requestmapping(value = "springtest", method = requestmethod.get)

public string springtest(){

return testservice.test();

}

}

控制器这里我们运用了spring的依赖注入自动装配。

在浏览器中输入地址调用springtest方法

Java框架篇:Spring+SpringMVC+hibernate整合开发

yes,成功返回,说明我们之前的配置没问题

spring+springmvc+hibernate整合

好了,现在就缺hibernate这个框架了。。 我先给大家看些我搭建好之后的结构图吧

Java框架篇:Spring+SpringMVC+hibernate整合开发

我们想来编写config.properties这个配置文件,里面存放的是hibernate的一些配置

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#database connection config

jdbc.driver = com.mysql.jdbc.driver

jdbc.url = jdbc:mysql://?????:3306/ssh?useunicode=true&characterencoding=utf-8

jdbc.username = root

jdbc.password = ???

#hibernate config

hibernate.dialect = org.hibernate.dialect.mysqldialect

hibernate.show_sql = true

hibernate.format_sql = true

hibernate.hbm2ddl.auto = update

这里连接数据库的参数由于我是连接我晚上的数据库,因此我数据库地址和密码打了“???”,你们连接时改成自己本地的就ok了

下面配置hibernate,这里我为了方便,就直接写进applicationcontext.xml里面。配置后的applicationcontext.xml如下:

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<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-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/mvc

http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd">

<!--********************************************配置spring***************************************-->

<!-- 自动扫描 -->

<context:component-scan base-package="com.ssh">

<!-- 扫描时跳过 @controller 注解的java类(控制器) -->

<context:exclude-filter type="annotation" expression="org.springframework.stereotype.controller"/>

</context:component-scan>

<!--********************************************配置hibernate********************************************-->

<!--扫描配置文件(这里指向的是之前配置的那个config.properties)-->

<context:property-placeholder location="classpath:/config.properties" />

<!--配置数据源-->

<bean id="datasource" class="com.mchange.v2.c3p0.combopooleddatasource" destroy-method="close">

<property name="driverclass" value="${jdbc.driver}" /> <!--数据库连接驱动-->

<property name="jdbcurl" value="${jdbc.url}" /> <!--数据库地址-->

<property name="user" value="${jdbc.username}" /> <!--用户名-->

<property name="password" value="${jdbc.password}" /> <!--密码-->

<property name="maxpoolsize" value="40" /> <!--最大连接数-->

<property name="minpoolsize" value="1" /> <!--最小连接数-->

<property name="initialpoolsize" value="10" /> <!--初始化连接池内的数据库连接-->

<property name="maxidletime" value="20" /> <!--最大空闲时间-->

</bean>

<!--配置session工厂-->

<bean id="sessionfactory" class="org.springframework.orm.hibernate4.localsessionfactorybean">

<property name="datasource" ref="datasource" />

<property name="packagestoscan" value="com.ssh.entity" />

<property name="hibernateproperties">

<props>

<prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop> <!--hibernate根据实体自动生成数据库表-->

<prop key="hibernate.dialect">${hibernate.dialect}</prop> <!--指定数据库方言-->

<prop key="hibernate.show_sql">${hibernate.show_sql}</prop> <!--在控制台显示执行的数据库操作语句-->

<prop key="hibernate.format_sql">${hibernate.format_sql}</prop> <!--在控制台显示执行的数据哭操作语句(格式)-->

</props>

</property>

</bean>

<!-- 事物管理器配置 -->

<bean id="transactionmanager" class="org.springframework.orm.hibernate4.hibernatetransactionmanager">

<property name="sessionfactory" ref="sessionfactory" />

</bean>

</beans>

ok,到了这里,配置结束。下面进入测试阶段

实体类(entity):

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package com.ssh.entity;

import lombok.data;

import javax.persistence.*;

/**

* created by xrog

* on 2/2/2017.2:03 pm

*/

@data

@entity

@table(name = "person")

public class person {

@id

@generatedvalue

private long id;

@column(name = "created")

private long created = system.currenttimemillis();

@column(name = "username")

private string username;

@column(name = "address")

private string address;

@column(name = "phone")

private string phone;

@column(name = "remark")

private string remark;

}

ps:我这里用了一个@data注解,此注解会自动生成get方法,set方法,tostring方法等一系列方法,功能十分强大,不过需要安装插件以及导包, 有兴趣的可以百度下

当然,你也可以手动编写get/set/构造方法。

数据库访问层(repository):

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package com.ssh.repository;

import java.io.serializable;

import java.util.list;

/**

* created by xrog

* on 2/2/2017.2:28 pm

*/

public interface domainrepository<t,pk extends serializable>{

t load(pk id);

t get(pk id);

list<t> findall();

void persist(t entity);

pk save(t entity);

void saveorupdate(t entity);

void delete(pk id);

void flush();

}

?

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package com.ssh.repository;

import com.ssh.entity.person;

/**

* created by xrog

* on 2/2/2017.2:25 pm

*/

public interface personrepository extends domainrepository<person,long> {

}

?

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package com.ssh.repository.impl;

import com.ssh.repository.personrepository;

import com.ssh.entity.person;

import org.hibernate.session;

import org.hibernate.sessionfactory;

import org.springframework.beans.factory.annotation.autowired;

import org.springframework.stereotype.repository;

import java.util.list;

/**

* created by xrog

* on 2/2/2017.2:30 pm

*/

@repository

public class personrepositoryimpl implements personrepository {

@autowired

private sessionfactory sessionfactory;

private session getcurrentsession() {

return this.sessionfactory.opensession();

}

public person load(long id) {

return (person)getcurrentsession().load(person.class,id);

}

public person get(long id) {

return (person)getcurrentsession().get(person.class,id);

}

public list<person> findall() {

return null;

}

public void persist(person entity) {

getcurrentsession().persist(entity);

}

public long save(person entity) {

return (long)getcurrentsession().save(entity);

}

public void saveorupdate(person entity) {

getcurrentsession().saveorupdate(entity);

}

public void delete(long id) {

person person = load(id);

getcurrentsession().delete(person);

}

public void flush() {

getcurrentsession().flush();

}

}

ps:我这里显示写了一个比较通用的接口,其他所有接口皆继承此接口, 再编写实现类

注意:我这里写的session产生是调用的sessionfactory的opensession()这个方法。之前使用getcurrentsession()一直报错,后来百度了一下才知道,hibernate3版本可以使用getcurrentsession()来创建session,而hibernate4版本则不行。

服务层(service):

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package com.ssh.service;

import com.ssh.entity.person;

/**

* created by xrog

* on 2/2/2017.2:39 pm

*/

public interface personservice {

long saveperson();

}

?

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package com.ssh.service.impl;

import com.ssh.entity.person;

import com.ssh.repository.personrepository;

import com.ssh.service.personservice;

import org.springframework.beans.factory.annotation.autowired;

import org.springframework.stereotype.service;

/**

* created by xrog

* on 2/2/2017.2:40 pm

*/

@service

public class personserviceimpl implements personservice {

@autowired

private personrepository personrepository;

public long saveperson() {

person person = new person();

person.setusername("xrog");

person.setphone("18381005946");

person.setaddress("chendu");

person.setremark("this is xrog");

return personrepository.save(person);

}

}

控制层(controller):

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package com.ssh.controller;

import com.ssh.entity.person;

import com.ssh.service.personservice;

import com.ssh.service.testservice;

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.requestmethod;

import org.springframework.web.bind.annotation.responsebody;

/**

* created by xrog

* on 2/1/2017.12:36 am

*/

@controller

public class maincontroller {

@autowired

private personservice personservice;

@requestmapping(value = "saveperson", method = requestmethod.get)

@responsebody

public string saveperson(){

personservice.saveperson();

return "success!";

}

}

ok,编写完毕,我们重启下服务器然后测试:

Java框架篇:Spring+SpringMVC+hibernate整合开发

我们在看下数据库,跟我们插入的数据对比下

Java框架篇:Spring+SpringMVC+hibernate整合开发

Java框架篇:Spring+SpringMVC+hibernate整合开发

ok,测试完毕,十分成功

以上就是本文的全部内容,希望本文的内容对大家的学习或者工作能带来一定的帮助,同时也希望多多支持快网idc!

原文链接:http://www.cnblogs.com/xrog/p/6359706.html

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