fix: 修复 input-date 不支持 initApi 问题 (#3761)

mock/cfc/mock/form/initData.js

@@ -1,28 +1,27 @@
-
 const tpls = {
   tpl1: {
     name: 'Amis Renderer',
     author: 'fex',
+    date: 1646323200
   },
   tpl2: {
     name: 'Renderer',
-        author: 'amis',
+    author: 'amis'
   },
   tpl3: {
     name: 'Amis',
-        author: 'renderer',
+    author: 'renderer'
   }
 };
 
-
-module.exports = function(req, res) {
+module.exports = function (req, res) {
   res.json({
     status: 0,
     msg: '',
-        data: Object.assign({}, (tpls[req.query.tpl] || tpls.tpl1), {
+    data: Object.assign({}, tpls[req.query.tpl] || tpls.tpl1, {
       infoId: req.query.id,
       date: Math.round(Date.now() / 1000),
       info: req.query.keywords ? `你输入的关键子是 ${req.query.keywords}` : ''
     })
   });
-}
+};

src/components/DatePicker.tsx

@@ -370,18 +370,20 @@ export class DatePicker extends React.Component<DateProps, DatePickerState> {
       const newState: any = {
         value: normalizeValue(props.value, props.format)
       };
-      // 相对值和公式是 didUpdate 的时候才更新
+
       if (
-        typeof prevValue === 'string' &&
+        typeof prevValue === 'undefined' || // initApi 的情况
+        (typeof prevValue === 'string' && // 公式的情况
           (prevValue.startsWith('+') ||
             prevValue.startsWith('-') ||
-          prevValue.startsWith('$'))
+            prevValue.startsWith('$')))
       ) {
         newState.inputValue =
           normalizeValue(this.props.value, this.props.format)?.format(
             this.props.inputFormat
           ) || '';
       }
+
       this.setState(newState);
     }
   }