From db3b9ab8c8d28c8a2f7194a83c25b03d6b173b45 Mon Sep 17 00:00:00 2001 From: Tevin <tingquanren@163.com> Date: Tue, 12 Apr 2022 18:00:11 +0800 Subject: [PATCH] 优化部分公共显示问题 --- common/Tools.js | 28 ++++++++++++++++++++++++++++ 1 files changed, 28 insertions(+), 0 deletions(-) diff --git a/common/Tools.js b/common/Tools.js index e4e7403..6bd9169 100644 --- a/common/Tools.js +++ b/common/Tools.js @@ -69,6 +69,34 @@ } /** + * 检查网络状态 + */ + static checkOnlineState(callback) { + // 网页模式 + if (process.env.TARO_ENV === 'h5') { + // 网络已开启 + if (navigator.onLine) { + // 用图片资源测试网络状态 + const img = new Image(); + img.onload = () => { + img.onload = null; + callback && callback(true); + }; + img.onerror = () => { + img.onerror = null; + callback && callback(false); + }; + img.src = 'http://test.zhiheiot.com/download/buildArchive/online.png?t=' + Date.now(); + } + // 网络未开启 + else { + callback && callback(false); + } + } + // 补充:小程序模式用 getNetworkType + } + + /** * 判断是否是数字 * @param {*} data * @return {Boolean} -- Gitblit v1.9.1