!136 optgroup标签下多选后表单值转json丢失

Merge pull request !136 from Dulk/fix-optgroup_value_jsonOverride_bug

ruoyi-admin/src/main/resources/static/ruoyi/js/ry-ui.js

@@ -1353,7 +1353,11 @@
             formToJSON: function(formId) {
             	 var json = {};
                  $.each($("#" + formId).serializeArray(), function(i, field) {
-                	 json[field.name] = field.value;
+                 	 if(json[field.name]) {
+                         json[field.name] += ("," + field.value);
+					 } else {
+                         json[field.name] = field.value;
+                     }
                  });
             	return json;
             }