多次点击BUG修改

@@ -103,36 +103,39 @@
                 $(this).removeClass('ping_active');
             }
         });
+        var click_num = 0;
         $('.btn_tijiao').click(function(){
-            var pingTxt=$('#wordtext').val();
-            var data_type=$('.choose_ping').attr("data-type");
-            var pingTab=$('.pingList .ping_active');
-            var data_id = '';
-            for(var i=0;i<pingTab.length;i++){
-                data_id+=pingTab[i].getAttribute("data-id")+',';
-            }
-            if(data_id==""&&pingTxt==""){
-                layer.msg("评价不能为空")
-            }else{
-                $.ajax({
-                    url:"{:url('/user/comment/comment_do_by_stu')}",
-                    type:"post",
-                    data:{
-                        teach_id:{$teach_id},
-                        comment:pingTxt,
-                        comment_tag:data_id,
-                        yuyue_id:{$yuyue_id},
-                        type:data_type
+            if(click_num ==  0){
+                click_num++;
+                var pingTxt=$('#wordtext').val();
+                var data_type=$('.choose_ping').attr("data-type");
+                var pingTab=$('.pingList .ping_active');
+                var data_id = '';
+                for(var i=0;i<pingTab.length;i++){
+                    data_id+=pingTab[i].getAttribute("data-id")+',';
+                }
+                if(data_id==""&&pingTxt==""){
+                    layer.msg("评价不能为空")
+                }else{
+                    $.ajax({
+                        url:"{:url('/user/comment/comment_do_by_stu')}",
+                        type:"post",
+                        data:{
+                            teach_id:{$teach_id},
+                            comment:pingTxt,
+                            comment_tag:data_id,
+                            yuyue_id:{$yuyue_id},
+                            type:data_type
 
-                    },success:function(res){
-                        console.log(res);
-                        tankuang();
-                    },error:function(err){
-                        console.log(err);
-                    }
-                })
+                        },success:function(res){
+                            tankuang();
+                            click_num = 0;
+                        },error:function(err){
+                            console.log(err);
+                        }
+                    })
+                }
             }
-
         });
         $('.btn_qr').click(function(){
            window.location.href="{:url('user/comment/show_stu',array('yuyue_id'=>$yuyue_id))}";