checkbox doc update

Signed-off-by: Nsunjiakun <sunjiakun3@huawei.com>

zh-cn/application-dev/reference/arkui-ts/ts-basic-components-checkbox.md

@@ -53,6 +53,8 @@ Checkbox(options?: {name?: string,  group?: string })
 
 ## 示例
 
+### 示例1
+
 ```ts
 // xxx.ets
 @Entry
@@ -79,4 +81,52 @@ struct CheckboxExample {
 ```
 
 
-![](figures/checkbox.gif)
+![](figures/checkbox.gif)
\ No newline at end of file
+
+### 示例2
+
+```ts
+// xxx.ets
+@Entry
+@Component
+struct Index {
+
+  build() {
+    Row() {
+      Column() {
+        Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
+          Checkbox({ name: 'checkbox1', group: 'checkboxGroup' })
+            .selectedColor(0x39a2db)
+            .onChange((value: boolean) => {
+              console.info('Checkbox1 change is'+ value)
+            })
+            .mark({
+              strokeColor:Color.Black,
+              size: 50,
+              strokeWidth: 5
+            })
+            .unselectedColor(Color.Red)
+            .width(30)
+            .height(30)
+          Text('Checkbox1').fontSize(20)
+        }
+        Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
+          Checkbox({ name: 'checkbox2', group: 'checkboxGroup' })
+            .selectedColor(0x39a2db)
+            .onChange((value: boolean) => {
+              console.info('Checkbox2 change is' + value)
+            })
+            .width(30)
+            .height(30)
+          Text('Checkbox2').fontSize(20)
+        }
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+```
+
+
+![](figures/checkbox2.gif)
\ No newline at end of file

zh-cn/application-dev/reference/arkui-ts/ts-basic-components-checkboxgroup.md

@@ -72,6 +72,8 @@ CheckboxGroup(options?: { group?: string })
 
 ## 示例
 
+### 示例1
+
 ```ts
 // xxx.ets
 @Entry
@@ -125,3 +127,77 @@ struct CheckboxExample {
 }
 ```
 ![checkboxGroup](figures/checkboxGroup.gif)
+
+### 示例2
+
+```ts
+// xxx.ets
+@Entry
+@Component
+struct Index {
+
+  build() {
+    Row() {
+      Column() {
+        Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
+          CheckboxGroup({ group: 'checkboxGroup' })
+            .selectedColor(Color.Orange)
+            .onChange((itemName: CheckboxGroupResult) => {
+              console.info("checkbox group content" + JSON.stringify(itemName))
+            })
+            .mark({
+              strokeColor:Color.Black,
+              size: 40,
+              strokeWidth: 5
+            })
+            .unselectedColor(Color.Red)
+            .width(30)
+            .height(30)
+          Text('Select All').fontSize(20)
+        }.margin({right:15})
+        Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
+          Checkbox({ name: 'checkbox1', group: 'checkboxGroup' })
+            .selectedColor(0x39a2db)
+            .onChange((value: boolean) => {
+              console.info('Checkbox1 change is'+ value)
+            })
+            .mark({
+              strokeColor:Color.Black,
+              size: 50,
+              strokeWidth: 5
+            })
+            .unselectedColor(Color.Red)
+            .width(30)
+            .height(30)
+          Text('Checkbox1').fontSize(20)
+        }
+        Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
+          Checkbox({ name: 'checkbox2', group: 'checkboxGroup' })
+            .selectedColor(0x39a2db)
+            .onChange((value: boolean) => {
+              console.info('Checkbox2 change is' + value)
+            })
+            .width(30)
+            .height(30)
+          Text('Checkbox2').fontSize(20)
+        }
+        Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
+          Checkbox({ name: 'checkbox3', group: 'checkboxGroup' })
+            .selectedColor(0x39a2db)
+            .onChange((value: boolean) => {
+              console.info('Checkbox3 change is' + value)
+            })
+            .width(30)
+            .height(30)
+          Text('Checkbox3').fontSize(20)
+        }
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+```
+
+![checkboxGroup](figures/checkboxGroup2.gif)
+