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shared_preferences 读取导致白屏
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#IATPBG
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jianrentang
Opened this issue
2024-09-26 00:30
**【任务描述】** 在存入超大的整数时，调用 setInt ，发现源码中强行转为了 Number 存储，导致业务层 getInt 无法读取到，甚至卡死。 源码实现见 [SharedPreferencesOhosPlugin.ets](https://gitee.com/openharmony-sig/flutter_packages/blob/master/packages/shared_preferences/shared_preferences_ohos/ohos/src/main/ets/shared_preferences/SharedPreferencesOhosPlugin.ets) ``` setInt(key: string, value: number): Promise<void> { if(typeof value == "bigint") { return this.put(key, Number(value)); } return this.put(key, value); } ``` 内部将 bigint 转为了 Number 存储，但是业务层在 setInt 时，**无任何提示以及报错**。 同时，业务层再通过 `getInt` 读取时，直接卡死，**无任何报错信息**。 最后发现只能通过 `getDouble` 读取出来，也就是，最后成了一个 double 类型。 - 没任何提示，即便读取失败也没有抛出异常 - 无论底层如何实现，即便 int 转为了 double，但不应该导致业务层出现 setInt getDouble 的情况。
**【任务描述】** 在存入超大的整数时，调用 setInt ，发现源码中强行转为了 Number 存储，导致业务层 getInt 无法读取到，甚至卡死。 源码实现见 [SharedPreferencesOhosPlugin.ets](https://gitee.com/openharmony-sig/flutter_packages/blob/master/packages/shared_preferences/shared_preferences_ohos/ohos/src/main/ets/shared_preferences/SharedPreferencesOhosPlugin.ets) ``` setInt(key: string, value: number): Promise<void> { if(typeof value == "bigint") { return this.put(key, Number(value)); } return this.put(key, value); } ``` 内部将 bigint 转为了 Number 存储，但是业务层在 setInt 时，**无任何提示以及报错**。 同时，业务层再通过 `getInt` 读取时，直接卡死，**无任何报错信息**。 最后发现只能通过 `getDouble` 读取出来，也就是，最后成了一个 double 类型。 - 没任何提示，即便读取失败也没有抛出异常 - 无论底层如何实现，即便 int 转为了 double，但不应该导致业务层出现 setInt getDouble 的情况。
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master
br_shared_preferences-v2.3.2_ohos
br_camera-v0.11.0+2_ohos
br_image_picker-v1.1.2_ohos
br_webview_flutter-v4.8.0_ohos
br_url_launcher-v6.3.0_ohos
pigeon-v21.2.0
br_in_app_purchase-v3.2.0_ohos
br_file_selector-v1.0.3_ohos
br_video_player-v2.9.2_ohos
br_local_auth-v2.3.0_ohos
br_path_provider-v2.1.4_ohos
3.7.12-ohos-1.0.0
3.7.12-ohos-1.0.1
br_optimize_har_structure
3.7.12-ohos-1.0.3
github.com/flutter/packages.git/video_player-v2.9.2
3.7.12-ohos-1.0.1
3.7.12-ohos-1.0.0
github.com/flutter/packages.git/shared_preferences-v2.3.2
github.com/flutter/packages/pigeon-v21.2.0
github.com/flutter/packages.git/local_auth-v2.3.0
github.com/flutter/packages.git/camera-v0.11.0+2
github.com/flutter/packages.git/path_provider-v2.1.4
github.com/flutter/packages.git/url_launcher-v6.3.0
github.com/flutter/packages.git/image_picker-v1.1.2
github.com/flutter/packages.git/webview_flutter-v4.8.0
webview_flutter_ohos-v3.9.3
webview_flutter-v4.2.4
video_player_ohos-v1.0.0+1
video_player-v2.7.1
url_launcher_ohos-v6.0.38
url_launcher-v6.1.12
shared_preferences_ohos-v2.2.0
shared_preferences-v2.2.0
pigeon-v11.0.1
path_provider_ohos-v2.2.1
path_provider-v2.1.0
local_auth_ohos-v1.0.0
local_auth-v2.1.6
image_picker_ohos-v0.8.7+4
image_picker-v1.0.2
file_selector_ohos-v0.5.0+2
file_selector-v1.0.0
camera-v0.10.5+4
camera_ohos-v0.10.8+8
github.com/flutter/packages.git/refs/tags/in_app_purchase-v3.2.0
github.com/flutter/packages.git/file_selector-v1.0.3
2023-09-05_17_23_05/github.com/flutter/packages.git/main
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