arkts check

Signed-off-by: Nwangkai <wangkai424@huawei.com>

zh-cn/application-dev/database/unified-data-channels.md

@@ -54,12 +54,13 @@ UDMF针对多对多跨应用数据共享的不同业务场景提供了标准化
 2. 创建一个统一数据对象并插入到UDMF的公共数据通路中。
 
    ```ts
+   import { BusinessError } from '@ohos.base';
    let plainText = new unifiedDataChannel.PlainText();
    plainText.textContent = 'hello world!';
    let unifiedData = new unifiedDataChannel.UnifiedData(plainText);
    
    // 指定要插入数据的数据通路枚举类型
-   let options = {
+   let options: unifiedDataChannel.Options = {
      intention: unifiedDataChannel.Intention.DATA_HUB
    }
    try {
@@ -70,19 +71,21 @@ UDMF针对多对多跨应用数据共享的不同业务场景提供了标准化
          console.error(`Failed to insert data. code is ${err.code},message is ${err.message} `);
        }
      });
-   } catch(e) {
-       console.error(`Insert data throws an exception. code is ${e.code},message is ${e.message} `);
+   } catch (e) {
+     let error: BusinessError = e as BusinessError;
+     console.error(`Insert data throws an exception. code is ${error.code},message is ${error.message} `);
    }
    ```
 3. 更新上一步骤插入的统一数据对象。
 
    ```ts
+   import { BusinessError } from '@ohos.base';
    let plainText = new unifiedDataChannel.PlainText();
    plainText.textContent = 'How are you!';
    let unifiedData = new unifiedDataChannel.UnifiedData(plainText);
    
    // 指定要更新的统一数据对象的URI
-   let options = {
+   let options: unifiedDataChannel.Options = {
      key: 'udmf://DataHub/com.ohos.test/0123456789'
    };
    
@@ -94,15 +97,17 @@ UDMF针对多对多跨应用数据共享的不同业务场景提供了标准化
          console.error(`Failed to update data. code is ${err.code},message is ${err.message} `);
        }
      });
-   } catch(e) {
-       console.error(`Update data throws an exception. code is ${e.code},message is ${e.message} `);
+   } catch (e) {
+     let error: BusinessError = e as BusinessError;
+     console.error(`Update data throws an exception. code is ${error.code},message is ${error.message} `);
    }
    ```
 4. 删除存储在UDMF公共数据通路中的统一数据对象。
 
    ```ts
+   import { BusinessError } from '@ohos.base';
    // 指定要删除数据的数据通路枚举类型
-   let options = {
+   let options: unifiedDataChannel.Options = {
      intention: unifiedDataChannel.Intention.DATA_HUB
    };
 
@@ -114,7 +119,7 @@ UDMF针对多对多跨应用数据共享的不同业务场景提供了标准化
            let records = data[i].getRecords();
            for (let j = 0; j < records.length; j++) {
              if (records[j].getType() === uniformTypeDescriptor.UniformDataType.PLAIN_TEXT) {
-                           let text = <unifiedDataChannel.PlainText>(records[j]);
+               let text = records[j] as unifiedDataChannel.PlainText;
                console.info(`${i + 1}.${text.textContent}`);
              }
            }
@@ -123,8 +128,9 @@ UDMF针对多对多跨应用数据共享的不同业务场景提供了标准化
          console.error(`Failed to delete data. code is ${err.code},message is ${err.message} `);
        }
      });
-   } catch(e) {
-       console.error(`Delete data throws an exception. code is ${e.code},message is ${e.message} `);
+   } catch (e) {
+     let error: BusinessError = e as BusinessError;
+     console.error(`Delete data throws an exception. code is ${error.code},message is ${error.message} `);
    }
    ```
    
@@ -139,8 +145,9 @@ UDMF针对多对多跨应用数据共享的不同业务场景提供了标准化
 2. 查询存储在UDMF公共数据通路中的统一数据对象。
 
    ```ts
+   import { BusinessError } from '@ohos.base';
    // 指定要查询数据的数据通路枚举类型
-   let options = {
+   let options: unifiedDataChannel.Options = {
      intention: unifiedDataChannel.Intention.DATA_HUB
    };
 
@@ -152,7 +159,7 @@ UDMF针对多对多跨应用数据共享的不同业务场景提供了标准化
            let records = data[i].getRecords();
            for (let j = 0; j < records.length; j++) {
              if (records[j].getType() === uniformTypeDescriptor.UniformDataType.PLAIN_TEXT) {
-                           let text = <unifiedDataChannel.PlainText>(records[j]);
+               let text = records[j] as unifiedDataChannel.PlainText;
                console.info(`${i + 1}.${text.textContent}`);
              }
            }
@@ -162,6 +169,7 @@ UDMF针对多对多跨应用数据共享的不同业务场景提供了标准化
        }
      });
    } catch(e) {
-       console.error(`Query data throws an exception. code is ${e.code},message is ${e.message} `);
+     let error: BusinessError = e as BusinessError;
+     console.error(`Query data throws an exception. code is ${error.code},message is ${error.message} `);
    }
    ```

zh-cn/application-dev/database/unified-data-definition.md

@@ -114,11 +114,11 @@ UDMF提供了统一数据对象UnifiedData，用于封装一组数据记录Unifi
      switch (type) {
        case uniformTypeDescriptor.UniformDataType.IMAGE:
          // 转换得到原图片数据记录
-         let image = <unifiedDataChannel.Image>(records[i]);
+         let image = records[i] as unifiedDataChannel.Image;
          break;
        case uniformTypeDescriptor.UniformDataType.PLAIN_TEXT:
          // 转换得到原文本数据记录
-         let plainText = <unifiedDataChannel.PlainText>(records[i]);
+         let plainText = records[i] as unifiedDataChannel.PlainText;
          break;
        default:
          break;