Unity集成最新版AGC后executeUpsert和executeDelete传入CloudDBZoneObject与原来不同,HarmonyOS鸿蒙Next中该如何使用
Unity集成最新版AGC后executeUpsert和executeDelete传入CloudDBZoneObject与原来不同,HarmonyOS鸿蒙Next中该如何使用
public void deleteBookInfo () {
if (mCloudDBZone == null) {
TestTip.Inst.ShowText ("CloudDBZone is null, try re-open it");
return;
}
mQuery = CloudDBZoneQuery.where (new AndroidJavaClass (bookInfoClass));
Task queryTask = mCloudDBZone.executeQuery (mQuery, CloudDBZoneQuery.CloudDBZoneQueryPolicy.POLICY_QUERY_FROM_CLOUD_ONLY);
queryTask.addOnSuccessListener (snapshot -> {
mObjectList = snapshot.getSnapshotObjects ();
BookInfo bookInfo = mObjectList.get(3);
Task deleteTask = mCloudDBZone.executeDelete(bookInfo); //这边就报错了,应该传入CloudDBZoneObject,和示例不一样,这个该咋用
deleteTask.addOnSuccessListener (cloudDBZoneResult -> {
TestTip.Inst.ShowText ("delete " + cloudDBZoneResult + " records");
}).addOnFailureListener (exception -> {
TestTip.Inst.ShowText ("delete bookinfo failed: " + exception.toString ());
});
List<BookInfo> list = new List<BookInfo> ();
list.add (mObjectList.get (4));
list.add (mObjectList.get (5));
Task deleteTask2 = mCloudDBZone.executeDelete (list);
deleteTask2.addOnSuccessListener (cloudDBZoneResult -> {
TestTip.Inst.ShowText ("delete " + cloudDBZoneResult + " records");
}).addOnFailureListener (exception -> {
TestTip.Inst.ShowText ("delete bookinfo failed: " + exception.toString ());
});
}).addOnFailureListener (exception -> {
TestTip.Inst.ShowText ("Query book list from cloud failed: " + exception.toString ());
});
}
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在HarmonyOS鸿蒙Next中,Unity集成最新版AGC(AppGallery Connect)后,executeUpsert
和executeDelete
方法的使用方式有所变化。具体来说,传入的CloudDBZoneObject
对象需要遵循新的数据模型和接口规范。
-
数据模型定义:首先,确保你的数据模型类继承自
CloudDBZoneObject
,并且使用@DatabaseField
注解来标记字段。例如:[@DatabaseTable](/user/DatabaseTable)(tableName = "YourTableName") export class YourModel extends CloudDBZoneObject { @DatabaseField(columnName = "id", isPrimaryKey = true) id: string; @DatabaseField(columnName = "name") name: string; }
-
executeUpsert
方法:在调用executeUpsert
时,传入的CloudDBZoneObject
对象需要是上述数据模型类的实例。例如:const yourObject = new YourModel(); yourObject.id = "123"; yourObject.name = "Example"; cloudDBZone.executeUpsert(yourObject).then(() => { console.log("Upsert successful"); }).catch((error) => { console.error("Upsert failed", error); });
-
executeDelete
方法:在调用executeDelete
时,同样需要传入CloudDBZoneObject
对象,但只需设置主键字段即可。例如:const yourObject = new YourModel(); yourObject.id = "123"; cloudDBZone.executeDelete(yourObject).then(() => { console.log("Delete successful"); }).catch((error) => { console.error("Delete failed", error); });
-
注意事项:确保你的
CloudDBZone
实例已经正确初始化,并且数据模型类与数据库表结构一致。
通过以上步骤,你可以在HarmonyOS鸿蒙Next中正确使用executeUpsert
和executeDelete
方法。
在HarmonyOS鸿蒙Next中,集成AGC最新版后,executeUpsert
和executeDelete
方法的使用方式有所变化。你需要确保传入的CloudDBZoneObject
对象符合最新API的要求。具体步骤如下:
- 创建CloudDBZoneObject:确保对象继承自
CloudDBZoneObject
,并正确实现相关接口。 - 调用executeUpsert:传入符合要求的
CloudDBZoneObject
对象,确保数据格式正确。 - 调用executeDelete:同样传入符合要求的
CloudDBZoneObject
对象,确保删除操作正确执行。
建议参考AGC官方文档,确保代码与最新API兼容。