页面修改的时候用到AJAX,之后提交到自身的脚本做处理
<script type="text/javascript">
function updateName_fathor(nid,npid)
{ var name = document.getElementsByName("sname"+nid)[0];
var name_old = document.getElementsByName("sname_old"+nid)[0];
if(name.value.length>=2)
{
if(name.value != name_old.value)
{ old_name = name.value;
nid_1 = nid;
createHttpRequest();
var url = "<%=path%>/DataDictionary/dataDictionaryList.jsp?dataType=updateFathorName&name="+name.value+"&npid="+npid+"&nid="+nid+"&date="+new Date();
alert(url);
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=showFathorResponse;
xmlHttp.send(null);
}else
{
alert("您要修改的内容未作什么改动!");
}
}else
{
alert("请输入类别名称,长度为2-30");
}
}
function showFathorResponse(){
if(xmlHttp.readyState==4){
var result=xmlHttp.responseText;
alert(result);
if(result=="success1"){
alert("修改成功");
var name_old = document.getElementsByName("sname_old"+nid_1)[0];
name_old.value = old_name;
}else{
alert("名称不能重复,请重新修改!");
}
}
}
</script><% request.setCharacterEncoding("GBK");
response.setCharacterEncoding("GBK");
response.setContentType("text/html");
String type=request.getParameter("dataType");
String nid=request.getParameter("nid");
String name=request.getParameter("name");
String npid=request.getParameter("npid");
if(type!=null&&!type.equals("")){
if(type.equals("updateFathorName")){
String result="";
boolean flag=dataDictionary.updateData(nid,name,npid);
if(flag==true){
result="success1";
out.clear();
out.print(result);
out.flush();
}else{
result="error1";
out.clear();
out.print(result);
out.flush();
}
}
}
%>
小弟我原先是想返回success或者error来做相应的判断处理,正常情况应该是上面alert(result)的结果应该是success1或者error可结果页面返回的时候却把页面的HTML元素都打印出来
<script type="text/javascript">
function updateName_fathor(nid,npid)
{ var name = document.getElementsByName("sname"+nid)[0];
var name_old = document.getElementsByName("sname_old"+nid)[0];
if(name.value.length>=2)
{
if(name.value != name_old.value)
{ old_name = name.value;
nid_1 = nid;
createHttpRequest();
var url = "<%=path%>/DataDictionary/dataDictionaryList.jsp?dataType=updateFathorName&name="+name.value+"&npid="+npid+"&nid="+nid+"&date="+new Date();
alert(url);
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=showFathorResponse;
xmlHttp.send(null);
}else
{
alert("您要修改的内容未作什么改动!");
}
}else
{
alert("请输入类别名称,长度为2-30");
}
}
function showFathorResponse(){
if(xmlHttp.readyState==4){
var result=xmlHttp.responseText;
alert(result);
if(result=="success1"){
alert("修改成功");
var name_old = document.getElementsByName("sname_old"+nid_1)[0];
name_old.value = old_name;
}else{
alert("名称不能重复,请重新修改!");
}
}
}
</script><% request.setCharacterEncoding("GBK");
response.setCharacterEncoding("GBK");
response.setContentType("text/html");
String type=request.getParameter("dataType");
String nid=request.getParameter("nid");
String name=request.getParameter("name");
String npid=request.getParameter("npid");
if(type!=null&&!type.equals("")){
if(type.equals("updateFathorName")){
String result="";
boolean flag=dataDictionary.updateData(nid,name,npid);
if(flag==true){
result="success1";
out.clear();
out.print(result);
out.flush();
}else{
result="error1";
out.clear();
out.print(result);
out.flush();
}
}
}
%>
小弟我原先是想返回success或者error来做相应的判断处理,正常情况应该是上面alert(result)的结果应该是success1或者error可结果页面返回的时候却把页面的HTML元素都打印出来
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error!
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'dataDictionary.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript">
function checkName()
{
var name =document.getElementById("name").value;
var nameSpan = document.getElementById("nameSpan");
if(name==null||name=="")
{
nameSpan.innerHTML = "<img src='<%=path%>/images/cc_error.gif'/><font style='color:red'>类别名称不能为空</font>";
return false;
}
else{
return true;
}
}
var xmlHttp;
//创建xmlHttp
function createHttpRequest(){
if(window.XMLHttpRequest){
//火狐
xmlHttp=new XMLHttpRequest();
}else if(window.ActiveXObject){
//IE
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
}
function isIn(){
createHttpRequest();
var name=document.getElementById("name").value;
var npid=document.getElementById("npid").value;
if(checkName()){
var url="<%=path%>/DataDictionary/addData.jsp?name="+name+"&npid="+npid+"&dataType=checkName&date="+new Date();
alert(url);
xmlHttp.open("GET",url,true);
xmlHttp.onreadystatechange=responseResult;
xmlHttp.send(null);
}
}
function responseResult(){
if(xmlHttp.readyState==4){
var result=xmlHttp.responseText;
var nameSpan = document.getElementById("nameSpan");
if(result=="exist"){
nameSpan.innerHTML = "<img src='<%=path%>/images/cc_error.gif'/><font style='color:red'>类别名称重复!</font>";
}else{
nameSpan.innerHTML = "<img src='<%=path%>/images/cc_error.gif'/><font style='color:red'>恭喜您,可以使用该名称</font>";
}
}
}
</script>
把上面逻辑都包含进去,然后success不设,只在else里设error
然后js判断里只判断error,其他的就算成功
当然你也可以往页面隐含域设一个值,然后js读取也是可以的