修改下拉框的样式

public/resource/css/public.css

@@ -722,3 +722,20 @@ p{margin: 0;}
 #preview_big_img_div>img{
 	max-height: 98%;
 }
+.mark {
+  display: none;
+  position: fixed;
+  top: 20%;
+  right: 0;
+  /*bottom: 0;*/
+  left: 0;
+  margin: auto;
+  height: 0.88rem;
+  line-height: 0.88rem;
+  width: 40%;
+  text-align: center;
+  font-size: 0.28rem;
+  color: #fff;
+  background: rgba(0, 0, 0, 0.6);
+  border-radius: 0.1rem;
+}
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public/resource/js/public.js

@@ -301,3 +301,14 @@ function urlDeal(urlStr, httpStr) {
 function dealPunctuation(str) {
 	return str.replace(/!!!!!/g, '').replace(/！！！！！/g, '').replace(/\?\?\?\?\?/g, '').replace(/？？？？？/g, '').replace(/。。。。。/g, '');
 }
+function alert(str) {
+
+	  var div = '<div class="mark"></div>';
+	  $('body').append(div)
+	  $('.mark').html(str);
+	  $('.mark').show();
+	  setTimeout(function() {
+	    $('.mark').hide();
+	    $('.mark').remove();
+	  }, 2000000)
+}
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