JavaScript 堆

 1   $("document ").ready(function() {
 2                             $(".btn_fbpl").click(function() {
 3                                 var num = $(".comment_num").text();
 4                                 var name = $("#user_name").text();
 5                                 var u_img = $("#user_head").html();
 6                                 var user_img = u_img.replace(‘small‘, ‘big‘);
 7                                 var comment = $(".txt_srk").val();
 8                                 if(comment==‘‘) {
 9                                     alert(‘评论不能为空。‘);
10                                 }else{
11                                     if(name){
12                                         $.ajax({
13                                             type: "POST",
14                                             url: "../do_comment.html",
15                                             data: {
16                                                 detail_id:"{$detail_id}",
17                                                 username:name,
18                                                 user_img:user_img,
19                                                 comment:comment   //ie中加逗号会报错！！！
20                                             },
21                                             success: function(datas) {
22                                                 var dat = jQuery.parseJSON(datas);
23                                                 if (dat.ture == ‘1‘) {
24                                                     $(".addit").prepend(‘<li>‘ + user_img + ‘<dl><dt> <a href =\"#\">‘ + name + ‘<\/a> <span> 发表于 ‘ + dat.now+ ‘ <\/span> <\/dt> <dd><span>‘ + comment + ‘<\/span><\/dd> <\/dl> <\/li>‘);
25                                                     var num_a = parseInt(num) + 1;
26                                                     $(".txt_srk").val("");
27                                                     $(".comment_num").html(num_a);
28                                                 }
29                                             }
30                                         });
31                                     }else{
32                                         alert(‘请注册登录，发表自己的评论‘);
33                                     }
34                                 }     
35                                 
36                             });
37                         });