摘要:
#### 1.更新本地包缓存 ```shell sudo apt update ``` #### 2.查看可以升级的软件包 ```shell apt list --upgradable ``` #### 3.预览升级 ```shell apt -s upgrade ``` #### 4.升级 ### 阅读全文
摘要:
```dart import 'package:flutter/material.dart'; import 'package:english_words/english_words.dart'; import 'package:provider/provider.dart'; void main( 阅读全文