From ffc440f78182ba4949291b081e4949e9a0ca65a9 Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Tue, 11 May 2021 15:42:52 +0800
Subject: [PATCH] 优化跨端通讯容错

---
 common/Tools.js |   19 +++++++++++++++++--
 1 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/common/Tools.js b/common/Tools.js
index 5aac0e5..e1e650f 100644
--- a/common/Tools.js
+++ b/common/Tools.js
@@ -11,13 +11,14 @@
     /**
      * 显示消息
      * @param msg
+     * @param [duration=2000]
      */
-    static toast(msg) {
+    static toast(msg, duration = 2000) {
         Taro.showToast({
             title: msg,
             icon: 'none',
             mask: true,
-            duration: 2000,
+            duration,
         });
     }
 
@@ -443,5 +444,19 @@
         return /^1[3456789]\d{9}$/.test('' + phone);
     }
 
+}
 
+// h5 中,实现 rem 转换 px
+if (process.env.NODE_ENV === 'development' && process.env.TARO_ENV === 'h5') {
+    const p1 = {
+        x: parseFloat(Taro.pxTransform(10, 750)), y: 10,
+    };
+    const p2 = {
+        x: parseFloat(Taro.pxTransform(1000, 750)), y: 1000,
+    };
+    window.rem = val => {
+        const value = typeof val === 'number' ? val : parseFloat(val);
+        const px = (value - p1.x) * (p2.y - p1.y) / (p2.x - p1.x) + p1.y;
+        console.info(Math.round(px) + 'px');
+    };
 }
\ No newline at end of file

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