/**
* ArrayBuffer转字符串
* @param {ArrayBuffer} e 须要转换的ArrayBuffer范例数值
* @param {function} t 转换胜利后的回调
*/
getUint8Value(e, t) {
for (var a = e, i = new DataView(a), n = "", s = 0; s < i.byteLength; s++) n += String.fromCharCode(i.getUint8(s));
t(n);
}
效果图显现:
微信小顺序蓝牙通信wx.onBLECharacteristicValueChange返回的value值是 ArrayBuffer范例,须要转换前端才举行naf