From fe97f78b9a343ee9fa45a3531d03d73dcd1df31b Mon Sep 17 00:00:00 2001
From: qx <1084500556@qq.com>
Date: 星期三, 06 八月 2025 10:15:12 +0800
Subject: [PATCH] :测试提交“
---
uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/tool.js | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/tool.js b/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/tool.js
new file mode 100644
index 0000000..d3fb398
--- /dev/null
+++ b/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/tool.js
@@ -0,0 +1,24 @@
+
+export function ArrayBufferToBase64 (buffer) {
+ var binary = '';
+ var bytes = new Uint8ClampedArray(buffer);
+ for (var len = bytes.byteLength, i = 0; i < len; i++) {
+ binary += String.fromCharCode(bytes[i]);
+ }
+ return btoa(binary);
+}
+
+export function Base64ToUint8ClampedArray(base64String) {
+ const padding = '='.repeat((4 - base64String.length % 4) % 4);
+ const base64 = (base64String + padding)
+ .replace(/\-/g, '+')
+ .replace(/_/g, '/');
+
+ const rawData = atob(base64);
+ const outputArray = new Uint8ClampedArray(rawData.length);
+
+ for (let i = 0; i < rawData.length; ++i) {
+ outputArray[i] = rawData.charCodeAt(i);
+ }
+ return outputArray;
+}
\ No newline at end of file
--
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