增加对FormArray自定义组件的支持

baseComponents/FormArray/index.js

@@ -78,6 +78,7 @@ const DiyPicker = props => {
       value: x.key,
     };
   });
+
   return (
     <Picker
       data={opt}
@@ -233,7 +234,10 @@ class FormArray extends Component {
 
   detailDom = () => {
     const { config, formValues, readOnly } = this.props;
-    return config.map(x => {
+    return (
+      config &&
+      config.length &&
+      config.map(x => {
         x.readOnly = readOnly || x.readOnly;
         switch (x.type) {
           case 'InputItem':
@@ -299,10 +303,13 @@ class FormArray extends Component {
                 changeValue={this.changeValue}
               />
             );
+          case 'Components':
+            return x.render(formValues[x.key], this.changeValue, x.key);
           default:
             return null;
         }
-    });
+      })
+    );
   };
 
   render() {