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cicadasmile
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JavaEE基础(03)：Http请求详解，握手挥手流程简介
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‎README.md

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[JavaEE基础(01)：Servlet实现方式，生命周期执行过程](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484304&idx=1&sn=dd6b6852e35031dd07f70d441f3ddc85&chksm=fdf45728ca83de3e158597030cf46b1677eccf533f9e1412690cd64b0ec0cce544711ceabddb&token=1248678182&lang=zh_CN#rd)<br/>
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[JavaEE基础(02)：Servlet核心API用法详解](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484309&idx=1&sn=fc8237aef2f246f85b978561f4b37e1e&chksm=fdf4572dca83de3b8affdf4a9a8c8b3c18e4c5203c3e663e0bfaeb53788d3e2d26fa829bb8c6&token=1248678182&lang=zh_CN#rd)<br/>
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[JavaEE基础(03)：Http请求详解，握手挥手流程简介](https://mp.weixin.qq.com/s?__biz=MzU4Njg0MzYwNw==&mid=2247484318&idx=1&sn=125780e20ada2f3d1451a1563a1c1e6f&chksm=fdf45726ca83de30adc5956a16d16151825b37c0adf5350214899ade39fef47f17ee35b2390d&token=1248678182&lang=zh_CN#rd)<br/>
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持续更新中...
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‎java-ee-base-parent/node03-servlet-http/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>java-ee-base-parent</artifactId>
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<groupId>com.java.ee.parent</groupId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.node03.servlet</groupId>
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<artifactId>node03-servlet-http</artifactId>
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<packaging>war</packaging>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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<jstl.version>1.2</jstl.version>
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<servlet-api.version>2.5</servlet-api.version>
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<jsp-api.version>2.0</jsp-api.version>
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</properties>
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<dependencies>
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<!-- JSP相关 依赖包-->
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<dependency>
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<groupId>jstl</groupId>
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<artifactId>jstl</artifactId>
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<version>${jstl.version}</version>
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</dependency>
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>jsp-api</artifactId>
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<version>${jsp-api.version}</version>
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<scope>provided</scope>
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</dependency>
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<!-- servlet依赖包 -->
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>servlet-api</artifactId>
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<version>${servlet-api.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.12</version>
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</dependency>
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</dependencies>
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</project>

‎java-ee-base-parent/node03-servlet-http/src/main/java/com/node03/servlet/impl/ServletOneImpl.java

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package com.node03.servlet.impl;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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public class ServletOneImpl extends HttpServlet {
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@Override
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protected void doGet(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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System.out.println("doGet...");
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response.setContentType("text/html;charset=utf-8");
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String userName = request.getParameter("userName") ;
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response.getWriter().print("Hello:"+userName);
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}
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@Override
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protected void doPost(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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System.out.println("doPost...");
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response.setContentType("text/html;charset=utf-8");
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String userName = request.getParameter("userName") ;
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response.getWriter().print("Hello:"+userName);
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}
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}

‎java-ee-base-parent/node03-servlet-http/src/main/webapp/WEB-INF/web.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://java.sun.com/xml/ns/javaee"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
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id="WebApp_ID" version="3.0">
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<display-name>cicada_servlet</display-name>
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<context-param>
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<param-name>encoding</param-name>
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<param-value>UTF-8</param-value>
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</context-param>
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<servlet>
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<servlet-name>servletOneImpl</servlet-name>
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<servlet-class>com.node03.servlet.impl.ServletOneImpl</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>servletOneImpl</servlet-name>
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<url-pattern>/servletOneImpl</url-pattern>
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</servlet-mapping>
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</web-app>

‎java-ee-base-parent/node03-servlet-http/src/main/webapp/index.jsp

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<html>
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<body>
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<hr/>
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<h2>Http</h2>
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<hr/>
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</body>
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</html>

‎java-ee-base-parent/node03-servlet-http/src/main/webapp/request.jsp

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<html>
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<head>
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<title>index.html</title>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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</head>
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<body>
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<hr/>
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<h2>GET REQUEST</h2>
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<form method="GET" action="/servletOneImpl">
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userName:<input type="text" name="userName"/>
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<input type="submit" value="SUBMIT"/>
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</form>
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<hr/>
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<h2>POST REQUEST</h2>
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<form method="POST" action="/servletOneImpl">
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userName:<input type="text" name="userName"/>
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<input type="submit" value="SUBMIT"/>
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</form>
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</body>
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</html>

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