From 17992a8ff38847414097c0899f86257a0e52f643 Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Tue, 12 Apr 2022 18:00:20 +0800
Subject: [PATCH] 输入框，增加只读模式
---
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}
--
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