Allow config value to be empty. fixes #1882 (#1883)

allow config value to be empty. #1882

apollo-portal/src/main/resources/static/scripts/valdr.js

@@ -76,11 +76,6 @@ application_module.config(function (valdrProvider) {
                                                  'message': 'Key不能为空'
                                              }
                                          },
-                                         'value': {
-                                             'required': {
-                                                 'message': 'value不能为空'
-                                             }
-                                         },
                                          'comment': {
                                              'size': {
                                                  'max': 64,

apollo-portal/src/main/resources/static/views/component/item-modal.html

@@ -26,13 +26,10 @@
                     </div>
                 </div>
                 <div class="form-group">
-                    <label class="col-sm-2 control-label">
-                        <apollorequiredfield></apollorequiredfield>
-                        Value
-                    </label>
+                    <label class="col-sm-2 control-label">Value</label>
                     <div class="col-sm-10" valdr-form-group>
                         <textarea id="valueEditor" name="value" class="form-control" rows="6" tabindex="2"
-                                  ng-required="true"
+                                  ng-required="false"
                                   ng-model="item.value">
                             </textarea>
                         注意: 隐藏字符(空格、换行符、制表符Tab)容易导致配置出错，如果需要检测Value中隐藏字符请点击 <a ng-click="showHiddenChars()">检测隐藏字符</a>