HttpServletRequest getXXX 获取参数请求uri url全路径

Posted 2020-10-12

礼悟：
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       javaEE：7           
       javaSE：1.8
          JSTL：1.2.2  
      server：tomcat 8.5
    explorer：Chrome
             os：windows7 x64
            ide：MyEclipse 2017

 

工程目录结构

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">

	<servlet>
		<servlet-name>MyServlet</servlet-name>
		<servlet-class>jizuiku.web.servlet.MyServlet</servlet-class>
	</servlet>
	
	<servlet-mapping>
		<servlet-name>MyServlet</servlet-name>
		<url-pattern>/MyServlet</url-pattern>
	</servlet-mapping>

</web-app>

 
Servlet类代码

package jizuiku.web.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * HttpServletRequest getXXXX
 * 
 * @author 给最苦
 * @version V17.10.25
 */
public class MyServlet extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	@Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		String queryString = request.getQueryString();
		String requestURI = request.getRequestURI();
		// request.getRequestURL()返回的是StringBuffer
		String requestURL = request.getRequestURL().toString();

		// 全路径 什么都有的那种
		String fullPath = requestURL + "?" + queryString;

		System.out.println("参数部分:" + queryString);
		System.out.println("请求uri:" + requestURI);
		System.out.println("请求url:" + requestURL);
		System.out.println("全路径:" + fullPath);

	}

	@Override
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// TODO Auto-generated method stub

	}

}

 

浏览器进行查看

 

 

控制台输出效果

 

 

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博文是观看视频后，融入思考写成的。博文好，是老师讲得好。博文坏，是 给最苦 没认真。