//16进制字符串转ASCII字符

var hexstr = this.transCodeToStr("0613735672291F00FFEE31");

const udp = wx.createUDPSocket();

udp.bind();

if (udp === null) {

console.log('暂不支持')

return;

} else {

wx.showToast({

title: "" + udp,

icon: 'success',

duration: 2000

})

}

udp.send({

address: '192.168.6.116',

port: 60000,

//发送的ascii字符

message: hexstr,

});

},

//16进制字符串转ASCII字符

transCodeToStr: function (codes) {

var asiiresult = '';

for (var i = 0; i < codes.length; i++ , i++) {

var num = "0x" + codes.substring(i, i + 2);

console.log(num);

console.log(String.fromCharCode(num));

console.log(asiiresult);

asiiresult += String.fromCharCode(num);

}

console.log(asiiresult);

return asiiresult;

},

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请问什么原因导致的？我想发送16进制对应的ASCII字符，该怎么发？请多多指点......不胜感激