1.JSP文件

function ajaxReq(){
var url = "ChatRoomServlet";
var param = "fname=${param.fname}&tname=${param.tname}";
new Ajax.Request(url,{
?method:"get",
?parameters:encodeURI(param),
?requestHeaders:['Cache-Control','no-cache','If-Modified-Since','0'],
??? onSuccess:function(httpObj){
??? ?$("chatarea").value = httpObj.responseText;
??? },
??? onFailure:function(httpObj){
??? }
});

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2.servlet的doGet方法：

?

String fname = request.getParameter("fname");
fname = new String(fname.getBytes("ISO-8859-1"),"UTF-8");

?

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