init

xhs-mini-demos/api-case/base64arraybuffer/base64arraybuffer.css

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+._dflex button {
+  margin: 10px 0;
+  background-color: red;
+  color: white;
+}

xhs-mini-demos/api-case/base64arraybuffer/base64arraybuffer.js

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+Page({
+  onShareAppMessage() {
+    return {
+      title: 'arrayBuffer2base64/base642ArrayBuffer',
+      path: 'api-case/base64arraybuffer/base64arraybuffer',
+    };
+  },
+
+  data: {
+    value: '',
+    content: [],
+  },
+
+  handleInput(e) {
+    this.setData({ value: e.detail.value });
+  },
+
+  handleArrayBufferToBase64() {
+    const base64 = xhs.arrayBufferToBase64(this.data.content);
+    console.log(base64);
+    this.setData({ content: base64 });
+  },
+
+  handleBase64ToArrayBuffer() {
+    const arrayBuffer = xhs.base64ToArrayBuffer(this.data.value);
+    this.setData({ content: arrayBuffer });
+    console.log(arrayBuffer);
+  },
+});

xhs-mini-demos/api-case/base64arraybuffer/base64arraybuffer.json

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+{
+  "navigationBarTitleText": "arrayBufferToBase64",
+  "usingComponents": {
+      "showbox": "../../common/component/showbox/index",
+      "box": "../../common/component/container/index"
+  }
+}

xhs-mini-demos/api-case/base64arraybuffer/base64arraybuffer.xhsml

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+<view class="container">
+  <showbox title="arrayBufferToBase64">
+    <box>
+      <view>
+        <view>结果：{{content}}</view>
+        <input class="input" placeholder="base64String" type="text" bindinput="handleInput"></input>
+        <view class="_dflex _fd_column">
+          <button bindtap="handleBase64ToArrayBuffer">base64ToArrayBuffer</button>
+          <button bindtap="handleArrayBufferToBase64">arrayBufferToBase64</button>
+        </view>
+      </view>
+    </box>
+  </showbox>
+</view>