意见反馈添加为空正则匹配

@@ -64,11 +64,21 @@ lazyLoad();
 headerNavHammer = new Hammer(document.getElementById('yoho-header'));
 
 headerNavHammer.on('tap', function(e) {
-    var suggestText = $('#suggest-textarea').val();
+    var suggestText = $('#suggest-textarea').val(),
+        textReg = /\S+/;
 
 
     if ($(e.target).hasClass('nav-btn')) {
 
+        if (!textReg.test(suggestText)) {
+            diaLog.showDialog({
+                autoHide: true,
+                dialogText: '意见不能为空'
+            });
+
+            return;
+        }
+
         $.ajax({
             method: 'post',
             url: '/home/savesuggest',
@@ -82,10 +92,18 @@ headerNavHammer.on('tap', function(e) {
                     autoHide: true,
                     dialogText: '提交成功'
                 });
+            } else {
+                diaLog.showDialog({
+                    autoHide: true,
+                    dialogText: '提交失败~'
+                });
             }
         }).fail(function() {
 
-            //TODO
+            diaLog.showDialog({
+                autoHide: true,
+                dialogText: '网络错误~'
+            });
         });
     }
 });