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复制代码 代码如下:
{a:"<div class='pl_list'><div><span class='float_right'><a href=Javascript:goodbad(22835,26769,'good',1) title='支持一下'>支持：[ 0 ]</a> <a href=Javascript:goodbad(22835,26769,'bad',1) title='我反对'>反对：[ 0 ]</a></span><span class='zz'>中国站长站网友：匿名 于 2008-04-25 评论道：</span></div>谁认为投放了Google AdSense的站点就不允许进行推广了？傻子吧</div>",b:1}
然后用下面的ajax进行输出
复制代码 代码如下:
var key='';
var str=new Array();
function createAjaxObj(){
var httprequest=false
//document.domain='chinaz.com';
if (window.XMLHttpRequest){ // if Mozilla, Safari etc
httprequest=new XMLHttpRequest()
if (httprequest.overrideMimeType)
httprequest.overrideMimeType('text/xml');
}
else if (window.ActiveXObject){ // if IE
try
{
httprequest=new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
try
{
httprequest=new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e){}
}
}
return httprequest;
}
function load_feedback(arcID,pg){
/*
var url = "http://www.chinaz.com/plus/feedback_ajax.php?action=show&arcID="+arcID+"&pg="+pg;
var ajax = new oAjax();
// 是否显示错误
//ajax.error = true;
// 请求的页面的编码为'gb2312'或空
//ajax.encode = 'gb2312';
// 回调函数
ajax.callback = function (content) {
// 处理返回内容
eval('var obj = ' + content);
document.getElementById('fedbk').innerHTML=obj.a;
document.getElementById('fedcount').innerHTML=obj.b;
};
ajax.send(url);
*/
var xmlhttp = createAjaxObj();
try
{
var params="action=show&arcID="+arcID+"&pg="+pg;
xmlhttp.abort();
xmlhttp.open("get","/plus/feedback_ajax.php?"+params,true);
xmlhttp.setRequestHeader("Content-type", "text/html;charset=gb2312");
xmlhttp.setRequestHeader("If-Modified-Since","0");
xmlhttp.setRequestHeader("Content-length", params.length);
xmlhttp.setRequestHeader("Connection", "close");
xmlhttp.onreadystatechange=f
xmlhttp.send(null);
}catch(ex){}
function f()
{
if(xmlhttp.readyState!= 4 || xmlhttp.status!=200 )
return ;
var b= xmlhttp.responseText;
var obj = eval("("+b+")");
document.getElementById('fedbk').innerHTML=obj.a;
document.getElementById('fedcount').innerHTML=obj.b;
document.getElementById('feedcounttop').innerHTML=obj.b;
}
}
function load_allfeedback(arcID,pg){
var xmlhttp = createAjaxObj();
try
{
var params="action=showall&arcID="+arcID+"&pg="+pg;
xmlhttp.abort();
xmlhttp.open("get","/plus/feedback_ajax.php?"+params,true);
xmlhttp.setRequestHeader("Content-type", "text/html;charset=gb2312");
xmlhttp.setRequestHeader("If-Modified-Since","0");
xmlhttp.setRequestHeader("Content-length", params.length);
xmlhttp.setRequestHeader("Connection", "close");
xmlhttp.onreadystatechange=f
xmlhttp.send(null);
}catch(ex){}
function f()
{
if(xmlhttp.readyState!= 4 || xmlhttp.status!=200 )
return ;
var content= xmlhttp.responseText;
var obj = eval("("+content+")");
// eval('var obj = ' + content);
document.getElementById('fedbk').innerHTML=obj.a;
//document.getElementById('fedcount').innerHTML=obj.b;
}
}
function feed_back(){
var msg = trim(document.getElementById('msg').value);
var arcID = document.getElementById('arcID').value;
var username = trim(document.getElementById('username').value);
var pwd = trim(document.getElementById('pwd').value);
var checkbox = document.getElementById('notuser');
if(checkbox.checked)
var notuser = 1;
else
var notuser = 0;
var xmlhttp = createAjaxObj();
try
{
params="action=send&arcID="+arcID+"&msg="+msg+"&username="+username
+"&pwd="+pwd+"¬user="+notuser;
xmlhttp.abort();
xmlhttp.open("get","/plus/feedback_ajax.php?"+params,true);
xmlhttp.setRequestHeader("Content-type", "text/html;charset=gb2312");
xmlhttp.setRequestHeader("If-Modified-Since","0");
xmlhttp.setRequestHeader("Content-length", params.length);
xmlhttp.setRequestHeader("Connection", "close");
xmlhttp.onreadystatechange=f
xmlhttp.send(null);
}catch(ex){}
function f()
{
if(xmlhttp.readyState!= 4 || xmlhttp.status!=200 )
return ;
var arr = xmlhttp.responseText.split("@:");
if(!arr[1]){
alert(xmlhttp.responseText);
}
else{
if(arr[0] != 'true')
alert(arr[0]);
alert(arr[2]);
ck_yzimg();
load_feedback(arr[1],1);
}
}
}
function goodbad(fid,arcid,actname,pg){
var xmlhttp = createAjaxObj();
try
{
params = "action="+actname+"&fid="+fid+"&arcID="+arcid+"&pg="+pg;
xmlhttp.abort();
xmlhttp.open("get","/plus/feedback_ajax.php?"+params,true);
xmlhttp.setRequestHeader("Content-type", "text/html;charset=gb2312");
xmlhttp.setRequestHeader("If-Modified-Since","0");
xmlhttp.setRequestHeader("Content-length", params.length);
xmlhttp.setRequestHeader("Connection", "close");
xmlhttp.onreadystatechange=f
xmlhttp.send(null);
}catch(ex){}
function f()
{
if(xmlhttp.readyState!= 4 || xmlhttp.status!=200 )
return ;
var arr = xmlhttp.responseText.split("@:");
if(!arr[1])
alert(xmlhttp.responseText);
else{
alert(arr[0]);
load_feedback(arr[1],arr[2]);
}
}
}
function goodbad2(fid,arcid,actname,pg){
var xmlhttp = createAjaxObj();
try
{
params = "action="+actname+"&fid="+fid+"&arcID="+arcid+"&pg="+pg;
xmlhttp.abort();
xmlhttp.open("get","/plus/feedback_ajax.php?"+params,true);
xmlhttp.setRequestHeader("Content-type", "text/html;charset=gb2312");
xmlhttp.setRequestHeader("If-Modified-Since","0");
xmlhttp.setRequestHeader("Content-length", params.length);
xmlhttp.setRequestHeader("Connection", "close");
xmlhttp.onreadystatechange=f
xmlhttp.send(null);
}catch(ex){}
function f()
{
if(xmlhttp.readyState!= 4 || xmlhttp.status!=200 )
return ;
var arr = xmlhttp.responseText.split("@:");
if(!arr[1])
alert(xmlhttp.responseText);
else{
alert(arr[0]);
load_allfeedback(arr[1],arr[2]);
}
}
}
function pg(vl){
var arcID = document.getElementById('arcID').value;
load_feedback(arcID,vl);
}
function pg2(arcID,vl){
//var arcID = document.getElementById('arcID').value;
load_allfeedback(arcID,vl);
}
function ck_yzimg(){
//document.all.cknum.value='';
document.all.msg.value='';
document.all.username.value='';
document.all.pwd.value='';
document.getElementsByName('sb')[0].disabled = false;
//document.all.img1.onclick();
}
function trim(s) {
return s.replace( /^/s*/, "" ).replace( //s*$/, "" );
}
//////
/*
String.prototype.Contains = function(str) {
return (this.indexOf(str) > -1);
};
var Browser = {
s : navigator.userAgent.toLowerCase()
};
(function (b) {
b.IsIE = b.s.Contains('msie');
b.IsIE5 = b.s.Contains('msie 5');
b.IsIE6 = b.s.Contains('msie 6');
b.IsIE7 = b.s.Contains('msie 7');
b.IsIE56 = !b.IsIE7 && (b.IsIE6 || b.IsIE5);
b.IsGecko = b.s.Contains('gecko');
b.IsSafari = b.s.Contains('safari');
b.IsOpera = b.s.Contains('opera');
b.IsMac = b.s.Contains('macintosh');
b.IsIELike = (b.IsIE || b.IsOpera);
b.IsGeckoLike = (b.IsGecko || b.IsSafari);
}) (Browser);
function oAjax () {
this.req = null;
this.url = '';
this.content = '';
this.type = 'text';
this.encode = '';
this.asyn = true;
this.action = 'get';
this.error = false;
}
oAjax.prototype.init = function () {
if (window.XMLHttpRequest) {
this.req = new XMLHttpRequest();
}
else if (window.ActiveXObject) {
// isIE = true;
try {
this.req = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e) {
try {
this.req = new ActiveXObject("Microsoft.XMLHTTP");
}
catch(e) {
this.req = false;
}
}
}
var self = this;
if (this.req) {
this.req.onreadystatechange = function () {self.listener()};
}
};
oAjax.prototype.listener = function () {
if (this.req.readyState == 4) {
if (this.req.status == 200) {
// right
try {
this.callback(Browser.IsIE && this.encode == 'gb2312' ? oAjax.gb2utf8(this.req.responseBody) : (this.type == 'text' ? this.req.responseText : this.req.responseXML));
}
catch (e) {
this.halt('[callback] ' + e.name + ':' + e.message);
}
}
else {
// error
this.halt('[callback error] ' + this.req.status);
}
}
};
oAjax.prototype.send = function (url) {
this.init();
url = this.url = url || this.url || '';
this.content = !!this.content ? this.content : '';
this.encode = this.encode ? this.encode.toLowerCase() : '';
this.asyn = this.asyn == undefined ? true : !!this.asyn;
this.action = (this.action == undefined || this.action == 'get') ? 'Get' : 'Post';
this.error = this.error == undefined ? false : !!this.error;
if (! url && this.error) {
alert('Ajax请求URL不能为空。');
return;
}
try {
this.req.open(this.action, url, this.asyn);
}
catch (e) {
this.halt('[open] ' + e.name + ':' + e.message);
return;
}
try {
this.req.setRequestHeader('Connection', 'close');
this.req.setRequestHeader('Accept-Encoding', 'gzip, deflate');
this.req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded' + (this.encode ? ';charset=' + this.encode : ''));
if(this.req.overrideMimeType && this.encode) {
this.req.overrideMimeType('text/xml' + (this.encode ? ';charset=' + this.encode : ''));
}
this.req.send(this.content);
}
catch (e) {
this.halt('[open] ' + e.name + ':' + e.message + '/n** 检查是否为跨域访问。');
}
};
oAjax.prototype.callback = function (content) {
//alert(content);
};
// abort
oAjax.prototype.abort = function () {
this.req.abort();
};
oAjax.prototype.halt = function (description) {
this.error && alert(description);
};
// gb2312 to utf8
oAjax.gb2utf8 = function (data) {
var glbEncode = [];
gb2utf8_data = data;
execScript("gb2utf8_data = MidB(gb2utf8_data, 1)", "VBScript");
var t = escape(gb2utf8_data).replace(/%u/g,"").replace(/(.{2})(.{2})/g,"%$2%$1").replace(/%([A-Z].)%(.{2})/g,"@$1$2");
t = t.split("@");
var i=0, j = t.length, k;
while(++i < j) {
k = t[i].substring(0,4);
if(!glbEncode[k]) {
gb2utf8_char = eval("0x" + k);
execScript("gb2utf8_char = Chr(gb2utf8_char)", "VBScript");
glbEncode[k] = escape(gb2utf8_char).substring(1, 6);
}
t[i] = glbEncode[k] + t[i].substring(4);
}
gb2utf8_data = gb2utf8_char = null;
return unescape(t.join("%"));
}
*/
核心代码
复制代码 代码如下:
var b= xmlhttp.responseText;
var obj = eval("("+b+")");
document.getElementById('fedbk').innerHTML=obj.a;
document.getElementById('fedcount').innerHTML=obj.b;
document.getElementById('feedcounttop').innerHTML=obj.b;
JavaScript技术：来自chinaz的ajax获取评论代码，转载需保留来源！
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