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chenhaoxiangchenhaoxiang
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网站在线用户信息、网站访问量以及管理踢出用户实例
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‎myOnlinesWeb2/.classpath

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
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<classpathentry kind="con" path="melibrary.com.genuitec.eclipse.j2eedt.core.MYECLIPSE_JAVAEE_6_CONTAINER"/>
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<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.web.container"/>
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<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
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<classpathentry kind="output" path="WebRoot/WEB-INF/classes"/>
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</classpath>

‎myOnlinesWeb2/.mymetadata

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<?xml version="1.0" encoding="UTF-8"?>
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<project-module
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type="WEB"
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name="myOnlinesWeb2"
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id="myeclipse.1471662522385"
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context-root="/myOnlinesWeb2"
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j2ee-spec="6.0"
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archive="myOnlinesWeb2.war">
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<attributes>
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<attribute name="webrootdir" value="WebRoot" />
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</attributes>
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</project-module>
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‎myOnlinesWeb2/.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>myOnlinesWeb2</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.wst.common.project.facet.core.builder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.wst.jsdt.core.javascriptValidator</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>com.genuitec.eclipse.j2eedt.core.WebClasspathBuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>com.genuitec.eclipse.j2eedt.core.J2EEProjectValidator</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>com.genuitec.eclipse.j2eedt.core.DeploymentDescriptorValidator</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.wst.validation.validationbuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>com.genuitec.eclipse.ast.deploy.core.DeploymentBuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>com.genuitec.eclipse.ast.deploy.core.deploymentnature</nature>
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<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
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<nature>com.genuitec.eclipse.j2eedt.core.webnature</nature>
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<nature>org.eclipse.jdt.core.javanature</nature>
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<nature>org.eclipse.wst.jsdt.core.jsNature</nature>
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<nature>org.eclipse.wst.common.project.facet.core.nature</nature>
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<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
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</natures>
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</projectDescription>

‎myOnlinesWeb2/.settings/.jsdtscope

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="WebRoot"/>
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<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.JRE_CONTAINER"/>
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<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.WebProject">
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<attributes>
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<attribute name="hide" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.wst.jsdt.launching.baseBrowserLibrary"/>
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<classpathentry kind="output" path=""/>
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</classpath>

‎myOnlinesWeb2/.settings/org.eclipse.jdt.core.prefs

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#Sat Aug 20 11:08:43 CST 2016
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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
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org.eclipse.jdt.core.compiler.compliance=1.6
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.source=1.6

‎myOnlinesWeb2/.settings/org.eclipse.wst.common.component

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<?xml version="1.0" encoding="UTF-8"?>
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<project-modules id="moduleCoreId" project-version="1.5.0">
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<wb-module deploy-name="myOnlinesWeb2">
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<wb-resource deploy-path="/" source-path="/WebRoot"/>
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<wb-resource deploy-path="/WEB-INF/classes" source-path="/src"/>
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<property name="context-root" value="/myOnlinesWeb2"/>
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<property name="java-output-path" value="/myOnlinesWeb2/WebRoot/WEB-INF/classes"/>
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</wb-module>
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</project-modules>

‎myOnlinesWeb2/.settings/org.eclipse.wst.common.project.facet.core.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<faceted-project>
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<fixed facet="wst.jsdt.web"/>
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<installed facet="java" version="1.6"/>
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<installed facet="jst.web" version="3.0"/>
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<installed facet="wst.jsdt.web" version="1.0"/>
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</faceted-project>

‎myOnlinesWeb2/.settings/org.eclipse.wst.jsdt.ui.superType.container

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org.eclipse.wst.jsdt.launching.baseBrowserLibrary

‎myOnlinesWeb2/.settings/org.eclipse.wst.jsdt.ui.superType.name

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Window

‎myOnlinesWeb2/README.md

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这个稍微比上个版本做得完善了一点，用了JavaBean来封装用户信息，添加了一个管理踢用户的功能。
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上一个的用户访问量是通过监听request来统计的，在这个实例中，我们也可以通过过滤器来实现统计网站访问量。

‎myOnlinesWeb2/WebRoot/META-INF/MANIFEST.MF

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Manifest-Version: 1.0
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Class-Path:
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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/domain/User.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/filter/CharsetFilter.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/filter/LoginFilter.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/filter/MyThread.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/listeners/MyServletContextListener.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/listeners/MySessionListener.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/servlet/KickOutServlet.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/servlet/LogOutServlet.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/servlet/LoginServlet.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/classes/cn/hncu/servlet/ShowServlet.class

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‎myOnlinesWeb2/WebRoot/WEB-INF/web.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<web-app version="3.0"
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xmlns="http://java.sun.com/xml/ns/javaee"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
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http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
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<display-name></display-name>
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<listener>
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<listener-class>cn.hncu.listeners.MyServletContextListener</listener-class>
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</listener>
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<listener>
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<listener-class>cn.hncu.listeners.MySessionListener</listener-class>
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</listener>
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<servlet>
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<servlet-name>LoginServlet</servlet-name>
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<servlet-class>cn.hncu.servlet.LoginServlet</servlet-class>
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</servlet>
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<servlet>
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<servlet-name>LogOutServlet</servlet-name>
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<servlet-class>cn.hncu.servlet.LogOutServlet</servlet-class>
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</servlet>
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<servlet>
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<servlet-name>ShowServlet</servlet-name>
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<servlet-class>cn.hncu.servlet.ShowServlet</servlet-class>
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</servlet>
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<servlet>
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<servlet-name>KickOutServlet</servlet-name>
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<servlet-class>cn.hncu.servlet.KickOutServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>LoginServlet</servlet-name>
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<url-pattern>/LoginServlet</url-pattern>
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</servlet-mapping>
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<servlet-mapping>
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<servlet-name>LogOutServlet</servlet-name>
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<url-pattern>/servlet/LogOutServlet</url-pattern>
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</servlet-mapping>
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<servlet-mapping>
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<servlet-name>ShowServlet</servlet-name>
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<url-pattern>/servlet/ShowServlet</url-pattern>
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</servlet-mapping>
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<servlet-mapping>
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<servlet-name>KickOutServlet</servlet-name>
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<url-pattern>/servlet/KickOutServlet</url-pattern>
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</servlet-mapping>
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<filter>
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<filter-name>charset</filter-name>
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<filter-class>cn.hncu.filter.CharsetFilter</filter-class>
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</filter>
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<filter>
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<filter-name>login</filter-name>
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<filter-class>cn.hncu.filter.LoginFilter</filter-class>
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</filter>
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<filter-mapping>
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<filter-name>login</filter-name>
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<url-pattern>/servlet/*</url-pattern>
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<url-pattern>/jsps/*</url-pattern>
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</filter-mapping>
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<filter-mapping>
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<filter-name>charset</filter-name>
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<url-pattern>/*</url-pattern>
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</filter-mapping>
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<welcome-file-list>
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<welcome-file>index.jsp</welcome-file>
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</welcome-file-list>
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</web-app>

‎myOnlinesWeb2/WebRoot/index.jsp

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
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<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>在线人信息管理与统计</title>
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</head>
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<body>
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<h2>在线人信息管理与统计</h2>
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<c:if test="${empty sessionScope.user}" var="boo">
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<h3>会员登录:</h3>
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<form action='<c:url value='/LoginServlet'></c:url>' method="post">
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姓名:<input type='text' name="name"><br /> <input type="submit"
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value="注册">
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</form>
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</c:if>
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<c:if test="${!boo}">
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亲爱的${user.name}
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<c:if test="${user.admin}" var="bo">
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-管理员
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</c:if>
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<c:if test="${!bo}">
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-会员
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</c:if>
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,欢迎来到...<br />
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</c:if>
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<br />
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<a href="<c:url value='/servlet/ShowServlet'/>">显示所有在线用户</a>
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<br />
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<a href="<c:url value='/servlet/LogOutServlet'/>">安全退出</a>
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<br/>网站访问量:${count}
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</body>
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</html>

‎myOnlinesWeb2/WebRoot/jsps/show.jsp

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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
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<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>在线人信息管理</title>
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<style type="text/css">
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table{
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border: 1px solid red;
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border-collapse: collapse;/*设置单线-线合并*/
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width: 80%;
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}
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td{
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border: 1px solid red;
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padding:3px;
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}
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.header{
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background: gray;
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}
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</style>
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</head>
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<body>
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<h2>以下是所有在线用户信息</h2>
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<table>
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<tr class="header" >
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<td>姓名</td> <td>上线时间</td> <td>最后访问时间</td> <td>IP</td> <td>操作</td>
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</tr>
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<c:forEach items="${requestScope.onLines}" var="map">
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<tr>
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<td>
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<c:if test="${empty map.user}" var="boo">
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游客
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</c:if>
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<c:if test="${!boo}">
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${map.user.name}
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</c:if>
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</td>
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<td>${map.creationTime} </td>
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<td>${map.lastAccessTime}</td>
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<td>${map.ip } </td>
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<td>
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<c:if test="${!boo&&user.admin}">
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<a href="<c:url value='/servlet/KickOutServlet?id=${map.id}'/> " >踢出${map.user.name}</a>
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</c:if>
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</td>
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</tr>
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</c:forEach>
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</table>
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<br/>网站访问量:${count}
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</body>
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</html>

‎myOnlinesWeb2/myOnlinesWeb2.zip

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‎myOnlinesWeb2/src/cn/hncu/domain/User.java

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package cn.hncu.domain;
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public class User {
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private String name;
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private String pwd;
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private boolean admin;
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public User() {
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public String getPwd() {
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return pwd;
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}
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public void setPwd(String pwd) {
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this.pwd = pwd;
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}
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public boolean isAdmin() {
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return admin;
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}
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public void setAdmin(boolean admin) {
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this.admin = admin;
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}
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}

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