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flutter-32(检测网络连接 监听网络变化)
2020-05-01【Flutter】3154人已围观
简介## Flutter 检测网络 文档: [https://pub.dev/packages/connectivity](https://pub.dev/packages/connectivity) > network.dart ``` import 'package:flutter/material.dart'; import 'package:connectivity/connectivity.dart'; class NetworkPage extends State
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bat锁屏和熄屏 windows
bat锁屏和熄屏 windowsPHP中判断字符串是否含有中文
## 判断全是中文 > 方法一 ``` $str = '吾爱编程'; if (preg_match_all("/^([\x81-\xfe][\x40-\xfe])+$/", $str, $match)) { echo '全部是中文'; } else { echo '不全是中文'; } ``` > 方法二 ``` $str="'吾爱it编程"; if(!eregi("[^\x80-\xff]","$str")){ echo "全是中文";PHP日历
PHP日历小案例dedecms Allowed memory size of /include/helpers/string.helper.php
dedecms Allowed memory size of /include/helpers/string.helper.php