JavaScript提交至servlet 5種方式：
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/**第一種提交方式 * */function submitForm1(){ window.location.href="TestServlet?param=hrefMethod" rel="external nofollow" ;}/**第二種提交方式 * */function submitForm2(){ var form=document.forms[0]; form.action="TestServlet?param=formMethod"; form.submit();}/** *第三種提交方式 */var xmlHttp; //創建xmlHttp function createXMLHttpRequest(){ if (window.XMLHttpRequest){// code for IE7+, Firefox, Chrome, Opera, Safari xmlHttp=new XMLHttpRequest(); }else {// code for IE6, IE5 xmlHttp=new ActiveXObject("Microsoft.XMLHTTP"); }} //Ajax使用get方式發送 function submitForm3(){ createXMLHttpRequest(); var queryString="TestServlet2?"; queryString=queryString+"¶m=" + new Date().getTime(); xmlHttp.onreadystatechange=handleStateChange; xmlHttp.open("GET",queryString,true); xmlHttp.send(null); } //Ajax使用post方式發送 function submitForm4(){ createXMLHttpRequest(); var url="TestServlet2?param=" + new Date().getTime(); xmlHttp.open("POST",url,true); xmlHttp.onreadystatechange=handleStateChange; xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); xmlHttp.send("nihao");} function handleStateChange(){ if(xmlHttp.readyState==4){ //解析返回值 if(xmlHttp.status==200){ var responseText=document.createTextNode(xmlHttp.responseText); alert("后臺返回的返回值： "+xmlHttp.responseText); } } } /**第五種方式 post提交 * @param to * @param p */function submitForm5() { var myForm=document.createElement("form") var params={"param":"zs","param2":"li"}; myForm.method = "post"; myForm.action = "TestServlet"; myForm.style.display = "none"; for ( var k in params) { var myInput = document.createElement("input"); myInput.name= k; myInput.value= params[k]; myForm.appendChild(myInput); } document.body.appendChild(myForm); myForm.submit(); //document.body.removeChild(myForm); return myForm;} |
jsp提交至servlet的6種方式：
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<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><!-- 方式四 --><!-- <meta http-equiv="refresh" content="0; url=TestServlet?param=方式四"> --><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>Insert title here</title></head><body><!-- 方式一 --><%-- <% RequestDispatcher rd = getServletContext().getRequestDispatcher("/TestServlet?param=方式一"); rd.forward(request, response);%> --%><!-- 方式二 --><%-- <% response.sendRedirect("TestServlet?param=方式二");%> --%><!-- 方式三 --><%-- <jsp:forward page="TestServlet?param=方式3"/> --%><!-- 方式五 --> <%-- <%int stayTime=0;String URL="TestServlet?param=Method 5";String content=stayTime+";URL="+URL;response.setHeader("REFRESH",content);%> --%><!-- 方式六 --><% response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY); String newLocation = "TestServlet?param=Method 6"; response.setHeader("Location",newLocation); %> </body></html> |
