java 后台获取不到request数据

 时间:2024-10-29 01:51:35

1、确认Tomcat 配置文件为默认 配置: <Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />

2、index.jsp文竭惮蚕斗件主要内容: <form action="a.jsp" meth泠贾高框od="get"> <input name="param01" id="param01" value="param01"> <br> <input name="param02" id="param02" value="param02"> <button type="submit">提交</button> </form>注意:method="get"或“Post”

3、a.门钙蹲茌jsp内容:<%@ page contentType="text/html; charset=UT僻棍募暖F-8"%><%@ page import="java.io.BufferedReader"%><%@ page import="java.io.InputStreamReader"%><%@ page import="java.util.Enumeration"%><%String p1=(String)request.getParameter("param01");String p2=(String)request.getParameter("param02");String accountType=(String)request.getParameter("accountType");out.println("accountType:" + accountType); Enumeration en = request.getParameterNames(); while (en.hasMoreElements()) { String paramName = (String) en.nextElement(); String paramValue = request.getParameter(paramName); out.println("name:" + paramName); out.println("value:" + paramValue); } //response.addHeader("Access-Control-Allow-Origin", "*");//response.addHeader("Access-Control-Allow-Methods", "POST,GET");out.println("<br>");out.println("x-modeeee:" + s);out.println("<br>");out.println("x-myheader:" + s1);out.println("<br>");out.println("param01:" + p1);out.println("<br>");out.println("param02:" + p2);out.println("<br>");out.println("accountType3:" + accountType); String line = null; StringBuilder sb = new StringBuilder(); BufferedReader reader = request.getReader();try { while ((line = reader.readLine()) != null) sb.append(line); } catch (Exception e) { out.println(e.getMessage()); }finally{ reader.close(); } String reqBody = sb.toString(); out.println("--->"+reqBody); %>

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