<script type="text/javascript">
var xhr=false;
var actionType;
//todo:
var sId=1;
function createXmlHttp() {//创建xhr对象
var xhobj = false;
try {
xhobj = new ActiveXObject("Msxml2.XMLHTTP"); // ie msxml3.0+
} catch (e) {
try {
xhobj = new ActiveXObject("Microsoft.XMLHTTP"); //ie msxml2.6
} catch (e2) {
xhobj = false;
}
}
if (!xhobj && typeof XMLHttpRequest != 'undefined') {// Firefox, Opera 8.0+, Safari
xhobj = new XMLHttpRequest();
}
return xhobj;
}
window.onload=function(){
xhr=new createXmlHttp();
}
function doSupport(isSupport){
xhr.open("POST","DoSupport.ashx",true);
xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xhr.onreadystatechange=watching;
if(isSupport){
actionType=1;
xhr.send("sId="+sId+"&isSup="+actionType);
}
else{
actionType=0;
xhr.send("sId="+sId+"&isSup="+actionType);
}
}
function watching(){
if（xhr.readyState>=4）{
if(xhr.status==200){
var resText=xhr.responseText;
var resArr=resText.split(",");
if(resArr[0]=="ok"){
if(actionType==1){
document.getElementById("spanSup").innerHtml=resArr[1];
}
else{
document.getElementById("spanDisSup").innerHtml=resArr[1];
}
}
else{
//todo:
}
}
}
}
function AddComment(){
xhr.open("POST","DoAddComments.ashx",true);
xhr.setreadystatechange=watchingComments;
xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
var urlData="sId"+sId+"&txtContents="+document.getElementByIdea("txtComments").value;
xhr.send(urlData);
}
function watchingComments(){
if(xhr.readyStates>=4){
if(xhr.status==200){
var resText=xhr.responseText;
if(resText=="ok"){
var commentsTable=document.getElementById("txtComments");//获取评论的表格对象
var newRow=commentsTable.insertRow(commentsTable.row.length);
var nTd1=newRow.insertCell();
var nTd2=newRow.insertCell();
nTd1.innerHtml=nowLoginUser;
nTd2.innerHtml=document.getElementById("txtComments").value;
}
else{
//todo:
}
}
else{
alert(xhr.status);
}
}
}
<script>
View Code
1 <br><script type="text/javascript"> 2 ? 3 var xhr=false; 4 var actionType; 5 //todo: 6 var sId=1; 7 function createXmlHttp() {//创建xhr对象 8 var xhobj = false; 9 try { 10 xhobj = new ActiveXObject("Msxml2.XMLHTTP"); // ie msxml3.0+ 11 } catch (e) { 12 try { 13 xhobj = new ActiveXObject("Microsoft.XMLHTTP"); //ie msxml2.6 14 } catch (e2) { 15 xhobj = false; 16 } 17 } 18 if (!xhobj && typeof XMLHttpRequest != 'undefined') {// Firefox, Opera 8.0+, Safari 19 xhobj = new XMLHttpRequest(); 20 } 21 return xhobj; 22 } 23 window.onload=function(){ 24 xhr=new createXmlHttp(); 25 } 26 function doSupport(isSupport){ 27 xhr.open("POST","DoSupport.ashx",true); 28 xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); 29 xhr.onreadystatechange=watching; 30 if(isSupport){ 31 actionType=1; 32 xhr.send("sId="+sId+"&isSup="+actionType); 33 } 34 else{ 35 actionType=0; 36 xhr.send("sId="+sId+"&isSup="+actionType); 37 } 38 } 39 function watching(){ 40 if（xhr.readyState>=4）{ 41 if(xhr.status==200){ 42 var resText=xhr.responseText; 43 var resArr=resText.split(","); 44 if(resArr[0]=="ok"){ 45 if(actionType==1){ 46 document.getElementById("spanSup").innerHtml=resArr[1]; 47 } 48 else{ 49 document.getElementById("spanDisSup").innerHtml=resArr[1]; 50 } 51 } 52 else{ 53 //todo: 54 } 55 } 56 } 57 } 58 function AddComment(){ 59 xhr.open("POST","DoAddComments.ashx",true); 60 xhr.setreadystatechange=watchingComments; 61 xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); 62 var urlData="sId"+sId+"&txtContents="+document.getElementByIdea("txtComments").value; 63 xhr.send(urlData); 64 } 65 function watchingComments(){ 66 if(xhr.readyStates>=4){ 67 if(xhr.status==200){ 68 var resText=xhr.responseText; 69 if(resText=="ok"){ 70 var commentsTable=document.getElementById("txtComments");//获取评论的表格对象 71 var newRow=commentsTable.insertRow(commentsTable.row.length); 72 var nTd1=newRow.insertCell(); 73 var nTd2=newRow.insertCell(); 74 nTd1.innerHtml=nowLoginUser; 75 nTd2.innerHtml=document.getElementById("txtComments").value; 76 } 77 else{ 78 //todo: 79 } 80 } 81 else{ 82 alert(xhr.status); 83 } 84 } 85 86 } 87 88 89 90 <script>