1、jsp
<script type="text/javascript">
var xmlHttp;
function creatXMLHttp() {
var username =document.getElementById("Username").value;
if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
} else {
xmlHttp = new ActiveXobject("Microsoft.XMLHTTP");
}
}
function UpdateUser(username) {
creatXMLHttp();
xmlHttp.open("POST", "../UpdateSelectAdmin.asp?Username=" + username);
xmlhttp.setRequestHeader( "Content-Type", "text/html;charset=GBK" );
xmlHttp.onreadystatechange = UpdateUserCallback;
xmlHttp.send(null);
}
function UpdateUserCallback() {
if (xmlHttp.readyState == 4) {
if (xmlHttp.status == 200) {
var text = xmlHttp.responseText;
document.getElementById("txtHint").innerHTML = text;
}
}
}
</script>
out.print("<input type='hidden' name='Username' value="+ login.getUsername() + ">");
2、 response.setContentType("text/html");
PrintWriter out = response.getWriter();
String username=request.getParameter("Username");
out.print(username);
找了很多案例都无法解决。求帮忙啊~
------解决方案--------------------------------------------------------
ajax里
username 是中文吗?
username=encodeURI(username);
username=encodeURI(username); //最重要的部分,两次调用encodeURI ,就是编码两次
servlet
String name=request.getParameter("username");
name=URLDecoder.decode(name,"utf8"); //post 传递的时候,一定是用utf8编码的,url 自己可以设定
response.setContentType("text/html;charset=utf-8")
------解决方案--------------------------------------------------------
- JScript code
function onSendInfo(reqId){ if(confirm("是否确认发送站内短信?")){ var friendList = document.getElementById("friendList"); var msgContent = document.getElementById("textarea2"); if(onValidate(friendList,msgContent)){ return; } var usernames=onSelect(friendList); var params="?reqId="+reqId +"&msgContent="+encodeURI($("#textarea2").val()) +"&sendMember="+encodeURI(usernames) +"&msgTitle="+encodeURI($("#textarea").val()); $.ajax({ type: "post", url: "motorcade_alliance_send_message.jspx"+params, dataType: "json",/*这句可用可不用,没有影响*/ contentType: "application/json; charset=utf-8", success: function (data) { if(data.status==0){ alert('发送站内短信成功!'); }else if(data.status==1){ alert(data.errors); } }, beforeSend: function(XMLHttpRequest){ XMLHttpRequest.setRequestHeader("RequestType", "ajax"); }, error: function (XMLHttpRequest, textStatus, errorThrown) { alert(errorThrown); } }); }}