fix(NumberPicker): delete 0 at beginning for stringMode

docs/number-picker/demo/bignumber.md

@@ -1,4 +1,4 @@
-# 大数 与 高精度小数
+# 大数与高精度小数
 
 - order: 8
 

docs/number-picker/index.md

@@ -24,7 +24,7 @@
 
 3.  如果输入时没触发onChange，会在onBlur检测数据正确性并触发onChange
 
-4.  在 `1.24` 版本加入大数支持，通过 `stringMode` 开启大数或高精度小数支持，输入输出都变为 `String` 类型，具体参考[大数 与 高精度小数](#bignumber-container)
+4.  在 `1.24` 版本加入大数支持，通过 `stringMode` 开启大数或高精度小数支持，输入输出都变为 `String` 类型，具体参考[大数与高精度小数](#bignumber-container)
 
 ## API
 

src/number-picker/number-picker.jsx

@@ -181,7 +181,7 @@ class NumberPicker extends React.Component {
         if ('value' in props) {
             value = props.value;
         } else {
-            value = stringMode ? `${defaultValue}` : defaultValue;
+            value = defaultValue;
         }
         value = value === undefined || value === null ? '' : stringMode ? `${value}` : value;
         this.state = {
@@ -272,13 +272,8 @@ class NumberPicker extends React.Component {
     }
 
     withinMinMax(value) {
-        const { stringMode } = this.props;
         const { max, min } = this.state;
-        if (stringMode) {
-            if (isNaN(value) || this.isGreaterThan(value, max) || this.isGreaterThan(min, value)) return false;
-            return true;
-        }
-        if (isNaN(value) || Number(value) > max || Number(value) < min) return false;
+        if (isNaN(value) || this.isGreaterThan(value, max) || this.isGreaterThan(min, value)) return false;
         return true;
     }
 
@@ -334,13 +329,13 @@ class NumberPicker extends React.Component {
             const precisionSet = this.getPrecision();
             const precisionCurrent = value.length - value.indexOf('.') - 1;
             const dotIndex = value.indexOf('.');
-            // precision === 0 should cut '.' for bigNumber
+            // precision === 0 should cut '.' for stringMode
             const cutPosition = precisionSet !== 0 ? dotIndex + 1 + precisionSet : dotIndex + precisionSet;
             if (dotIndex > -1 && precisionCurrent > precisionSet) val = val.substr(0, cutPosition);
 
             // 边界订正：
             val = this.correctBoundary(val);
-            val = this.props.stringMode ? val : Number(val);
+            val = this.props.stringMode ? BigNumber(val).toFixed() : Number(val);
         }
 
         if (isNaN(val)) val = this.state.value;

test/number-picker/index-spec.js

@@ -32,7 +32,7 @@ describe('number-picker', () => {
         });
     });
 
-    describe('bigNumber', () => {
+    describe('stringMode', () => {
         it('should support big number not within [Number.MIN_SAFE_INTEGER, Number.MAX_SAFE_INTEGER] in stringMode ', () => {
             const step = '0.000000000000000000000001';
             class App extends React.Component {
@@ -191,6 +191,16 @@ describe('number-picker', () => {
             assert(wrapper.find('input').prop('value') === BigNumber(20).toFixed(precision));
 
         });
+
+        it('should delete 0 at beginning when blur',() =>{
+            const wrapper = mount(<NumberPicker defaultValue={Number.MAX_SAFE_INTEGER} stringMode />);
+            wrapper
+                .find('input')
+                .simulate('change', { target: { value: `0${Number.MAX_SAFE_INTEGER}123` } });
+            assert(wrapper.find('input').prop('value') === `0${Number.MAX_SAFE_INTEGER}123`);
+            wrapper.find('input').simulate('blur');
+            assert(wrapper.find('input').prop('value') === `${Number.MAX_SAFE_INTEGER}123`);
+        })
     })
 
     describe('behavior', () => {