docs: fix some doc error @rex-zsd (#963)

packages/action-sheet/README.md

@@ -24,37 +24,33 @@
 
 ```javascript
 Page({
-  data() {
-    return {
-      show: false,
-      actions: [
-        {
-          name: '选项'
-        },
-        {
-          name: '分享',
-          subname: '描述信息',
-          openType: 'share'
-        },
-        {
-          loading: true
-        },
-        {
-          name: '禁用选项',
-          disabled: true
-        }
-      ]
-    };
+  data: {
+    show: false,
+    actions: [
+      {
+        name: '选项'
+      },
+      {
+        name: '分享',
+        subname: '描述信息',
+        openType: 'share'
+      },
+      {
+        loading: true
+      },
+      {
+        name: '禁用选项',
+        disabled: true
+      }
+    ]
   },
 
-  methods: {
-    onClose() {
-      this.setData({ show: false });
-    },
+  onClose() {
+    this.setData({ show: false });
+  },
 
-    onSelect(event) {
-      console.log(event.detail);
-    }
+  onSelect(event) {
+    console.log(event.detail);
   }
 });
 ```

packages/badge/README.md

@@ -25,20 +25,18 @@
 ```
 
 ``` javascript
-export default {
+Page({
   data: {
     active: 0
   },
 
-  methods: {
-    onChange(event) {
-      wx.showToast({
-        icon: 'none',
-        title: `切换至第${event.detail}项`
-      });
-    }
+  onChange(event) {
+    wx.showToast({
+      icon: 'none',
+      title: `切换至第${event.detail}项`
+    });
   }
-};
+});
 ```
 
 ### BadgeGroup API

packages/datetime-picker/README.md

@@ -32,6 +32,7 @@ Page({
     maxDate: new Date(2019, 10, 1).getTime(),
     currentDate: new Date().getTime()
   },
+
   onChange(event) {
     this.setData({
       currentDate: event.detail.value
@@ -57,6 +58,7 @@ Page({
     currentDate: new Date().getTime(),
     minDate: new Date().getTime()
   },
+
   onChange(event) {
     this.setData({
       currentDate: event.detail.value
@@ -82,6 +84,7 @@ Page({
     currentDate: new Date().getTime(),
     minDate: new Date().getTime()
   },
+
   onChange(event) {
     this.setData({
       currentDate: event.detail.value
@@ -109,6 +112,7 @@ Page({
     minHour: 9,
     maxHour: 23
   },
+
   onChange(event) {
     this.setData({
       currentDate: event.detail.value

packages/nav-bar/README.md

@@ -25,16 +25,14 @@
 ```
 
 ```js
-export default {
-  methods: {
-    onClickLeft() {
-      wx.showToast({ title: '点击返回', icon: 'none' });
-    },
-    onClickRight() {
-      wx.showToast({ title: '点击按钮', icon: 'none' });
-    }
+Page({
+  onClickLeft() {
+    wx.showToast({ title: '点击返回', icon: 'none' });
+  },
+  onClickRight() {
+    wx.showToast({ title: '点击按钮', icon: 'none' });
   }
-}
+});
 ```
 
 #### 高级用法

packages/swipe-cell/README.md

@@ -36,26 +36,24 @@
 ```
 
 ```js
-export default {
-  methods: {
-    onClose(event) {
-      const { position, instance } = event.detail;
-      switch (position) {
-        case 'left':
-        case 'cell':
+Page({
+  onClose(event) {
+    const { position, instance } = event.detail;
+    switch (position) {
+      case 'left':
+      case 'cell':
+        instance.close();
+        break;
+      case 'right':
+        Dialog.confirm({
+          message: '确定删除吗？'
+        }).then(() => {
           instance.close();
-          break;
-        case 'right':
-          Dialog.confirm({
-            message: '确定删除吗？'
-          }).then(() => {
-            instance.close();
-          });
-          break;
-      }
+        });
+        break;
     }
   }
-}
+});
 ```
 
 ### API

packages/tabbar/README.md

@@ -54,13 +54,14 @@ Page({
 
 ```javascript
 Page({
-  data() {
+  data: {
     active: 0,
     icon: {
       normal: '//img.yzcdn.cn/icon-normal.png',
       active: '//img.yzcdn.cn/icon-active.png'
     }
   },
+
   onChange(event) {
     console.log(event.detail);
   }