Ajax获取响应的纯文本
发布时间:2020-12-16 03:34:28 所属栏目:百科 来源:网络整理
导读:代码: GetStudentServlet.java package com.servlet;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.ser
代码: GetStudentServlet.java
package com.servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class GetStudentServlet extends HttpServlet { private static final long serialVersionUID = 1L; public GetStudentServlet() { super(); // TODO Auto-generated constructor stub } protected void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException { // TODO Auto-generated method stub response.setCharacterEncoding("UTF-8"); response.setContentType("text/xml"); PrintWriter out=response.getWriter(); out.println("<?xml version="1.0" encoding="UTF-8"?>"); out.println("<students>"); out.println("<student id="123">"); out.println("<name>张三</name>"); out.println("</student>"); out.println("</students>"); } protected void doPost(HttpServletRequest request,IOException { // TODO Auto-generated method stub doGet(request,response); } } responseText.html
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>使用responText属性获取纯文本</title> </head> <body> <script type="text/javascript"> function getXMLHTTPRequest() { var xRequest=null; if(window.XMLHttpRequest){ xRequest=new XMLHttpRequest(); } else if(window.ActiveXObject){ xRequest=new ActiveXObject("Microsoft.XMLHTTP"); } return xRequest; } function sendRequest(req,url,params,HttpMethod) { if(!HttpMethod){ HttpMethod="POST"; } if(req){ req.open(HttpMethod,true); req.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); req.send(params); } } //创建与浏览器兼容的XMLHttpRequest对象 var xmlhttp=getXMLHTTPRequest(); xmlhttp.onreadystatechange=function(){ if(xmlhttp.readyState==4){ if(xmlhttp.status==200){ alert(xmlhttp.responseText);//输出纯文本 } else{ alert(xmlhttp.status); } } } sendRequest(xmlhttp,"GetStudentServlet",null,"get"); </script> </body> </html> 截图:
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