<template>
<view>
<uni-popup ref="popup" @change="change">
<view class="popup">
<view class="">请刷卡读取数据</view>
</view>
</uni-popup>
</view>
</template>
<script>
var NfcAdapter;
var MifareClassic;
export default {
components: {
uniPopup
},
data() {
return {
formData: {
bind_code: '',
tagid: '',
time: null,
show: false,
}
}
},
methods: {
open() {
//开启阴影遮罩前检查NFC状态
var main = plus.android.runtimeMainActivity();
NfcAdapter = plus.android.importClass('android.nfc.NfcAdapter');
var _nfcAdapter = NfcAdapter.getDefaultAdapter(main);
if (_nfcAdapter == null) {
uni.showToast({
icon: "error",
title: "该设备不支持NFC",
duration: 5000
})
} else if (_nfcAdapter.isEnabled() == false) {
uni.showToast({
icon: "error",
title: "NFC功能未打开",
duration: 5000
})
} else {
this.$refs.popup.open("top");
//初始化ncf 并开启监听
this.NFCInit();
}
},
change(e, s) {
if (!e.show) {
//销毁监听事件
plus.globalEvent.removeEventListener("newintent", false);
}
},
// nfc入口
NFCInit() {
try {
var main = plus.android.runtimeMainActivity();
//console.log(main);
var Intent = plus.android.importClass('android.content.Intent');
// console.log(Intent);
var Activity = plus.android.importClass('android.app.Activity');
//console.log(Activity);
var PendingIntent = plus.android.importClass('android.app.PendingIntent');
// console.log(PendingIntent);
var IntentFilter = plus.android.importClass('android.content.IntentFilter');
var NdefRecord = plus.android.importClass('android.nfc.NdefRecord')
var NdefMessage = plus.android.importClass('android.nfc.NdefMessage')
MifareClassic = plus.android.importClass("android.nfc.tech.MifareClassic");
NfcAdapter = plus.android.importClass('android.nfc.NfcAdapter');
var _nfcAdapter = NfcAdapter.getDefaultAdapter(main);
var ndef = new IntentFilter('android.nfc.action.NDEF_DISCOVERED'); //NfcAdapter.ACTION_NDEF_DISCOVERED
var tag = new IntentFilter('android.nfc.action.TAG_DISCOVERED'); //NfcAdapter.ACTION_TECH_DISCOVERED
console.log(tag);
var tech = new IntentFilter('android.nfc.action.TECH_DISCOVERED');
var intentFiltersArray = [ndef, tag, tech];
var techListsArray = [
['android.nfc.tech.Ndef'],
['android.nfc.tech.IsoDep'],
['android.nfc.tech.NfcA'],
['android.nfc.tech.NfcB'],
['android.nfc.tech.NfcF'],
['android.nfc.tech.Nfcf'],
['android.nfc.tech.Nfef'],
['android.nfc.tech.Ndef'],
['android.nfc.tech.NfcV'],
['android.nfc.tech.NdefFormatable'],
['android.nfc.tech.MifareClassi'],
['android.nfc.tech.MifareUltralight']
];
var _intent = new Intent(main, main.getClass());
// console.log(_intent);
_intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
var pendingIntent = PendingIntent.getActivity(main, 0, _intent, 0);
var that = this;
//监听贴卡到手机事件
plus.globalEvent.addEventListener('newintent', e => {
//获取ic卡数据
that.NFCReadUID()
//销毁监听事件
plus.globalEvent.removeEventListener("newintent", false);
});
if (_nfcAdapter == null) {} else if (_nfcAdapter.isEnabled() == false) {} else {
_nfcAdapter.enableForegroundDispatch(main, pendingIntent, IntentFilter, techListsArray);
}
} catch (e) {
//TODO handle the exception
}
},
//获取ic卡数据
NFCReadUID() {
var main = plus.android.runtimeMainActivity();
var _intent = main.getIntent();
var _action = _intent.getAction();
console.log("action type:" + _action);
if (NfcAdapter.ACTION_NDEF_DISCOVERED == _action || NfcAdapter.ACTION_TAG_DISCOVERED == _action ||
NfcAdapter.ACTION_TECH_DISCOVERED == _action) {
console.log("选择的调动标签", _intent.getAction())
var Tag = plus.android.importClass('android.nfc.Tag');
var bind_codes;
var tagFromIntent = _intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
console.log("TAG", tagFromIntent)
var Ndef = plus.android.importClass("android.nfc.tech.Ndef")
var ndef = Ndef.get(tagFromIntent)
var NfcA = plus.android.importClass("android.nfc.tech.NfcV")
console.log("NfcV", NfcA)
var test_A = NfcA.get(tagFromIntent)
console.log("get", test_A)
test_A.close();
test_A.connect();
console.log("连接情况", test_A.isConnected())
var tagUid = tagFromIntent.getId()
// 使用NfcV扇区读取，未完善
// var blockAddress =127;//块地址
// var blocknum = 5
// var cmd = [];
// cmd[0] = 0x22;
// cmd[1] = 0x23;
// for (var i in tagUid) {
// console.log("传ID:",tagUid[i]);
// cmd.push(tagUid[i]);
// }
// cmd[10] = blockAddress & 0x0ff;
// cmd[11] = (blocknum - 1) & 0x0ff;
// console.log('cmd',cmd);
// var response = test_A.transceive(cmd);
// console.log("读取数据：",response)
// var str1 = ""
// var str2 = ""
// str1 = this.Bytes2HexString(response);
// console.log("转化为1",str1)
// str2 = this.utf8to16(this.hexToString(str1));
// console.log("转化为2:",str2)
var bind_code = _intent.getByteArrayExtra(NfcAdapter.EXTRA_ID);
// ic卡号 进制转换
bind_codes = this.Bytes2HexString(bind_code);
//使用NDEF读取有效记录
var Parcelable = plus.android.importClass("android.os.Parcelable");
// var rawMsgs = _intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
var rawMsgs = _intent.getParcelableArrayExtra("android.nfc.extra.NDEF_MESSAGES");
if (rawMsgs != null) {
console.log("读取MSG", rawMsgs)
console.log("MSG[0]",rawMsgs[0])
try{
var records = rawMsgs[0].getRecords();
var result = records[0].getPayload();
console.log("result",result)
var s = plus.android.newObject("java.lang.String", result);
console.log(s);
}catch(e){
console.log("错误:",e)
}
} else {
console.log("非NDEF，无法读取MSG")
}
this.formData.bind_code = bind_codes
var tagid = this.reverseTwo(this.bytesToHexString(tagFromIntent.getId()));
let icId = parseInt(tagid, 16) + '';
//当ic卡号不到10位的时候 前面自动添加0 补齐10位
icId = icId.length < 10 ? (Array(10).join(0) + icId).slice(-10) : icId;
if (icId) {
this.$emit("changeNfc", {
tagid: icId,
action: _action,
Tag: Tag,
tagFromIntent: tagFromIntent,
rawMsgs: s,
bind_code: bind_code,
})
} else {
uni.showToast({
title: "读取数据失败,请重新读取",
icon: 'none'
})
}
//关闭遮罩
this.$refs.popup.close();
}
},
reverseTwo(str) {
var str1 = "";
for (var i = 1; i <= str.length; i++) {
str1 += str[i - 1];
if (i % 2 == 0) {
if (i == str.length) {
break;
}
str1 += ":";
}
}
var str2 = "";
for (var i = str1.split(":").length - 1; i >= 0; i--) {
str2 += str1.split(":")[i];
}
return str2;
},
bytesToHexString(inarray) {
var i, j, x;
var hex = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A",
"B", "C", "D", "E", "F"
];
var out = "";
for (j = 0; j < inarray.length; ++j) {
x = parseInt(inarray[j]) & 0xff;
i = (x >> 4) & 0x0f;
out += hex[i];
i = x & 0x0f;
out += hex[i];
}
return out;
},
//将byte[] 转为Hex，
Bytes2HexString(arrBytes) {
var str = '';
for (var i = 0; i < arrBytes.length; i++) {
var tmp;
var num = arrBytes[i];
if (num < 0) {
//Java中数值是以补码的形式存在的，应用程序展示的十进制是补码对应真值。补码的存在主要为了简化计算机底层的运算，将减法运算直接当加法来做
tmp = (255 + num + 1).toString(16);
} else {
tmp = num.toString(16);
}
if (tmp.length == 1) {
tmp = '0' + tmp;
}
str += tmp;
}
return str;
},
byteToString(arr) {
if(typeof arr === 'string') {
return arr;
}
var str = '',
_arr = arr;
for(var i = 0; i < _arr.length; i++) {
var one = _arr[i].toString(2),
v = one.match(/^1+?(?=0)/);
if(v && one.length == 8) {
var bytesLength = v[0].length;
var store = _arr[i].toString(2).slice(7 - bytesLength);
for(var st = 1; st < bytesLength; st++) {
store += _arr[st + i].toString(2).slice(2);
}
str += String.fromCharCode(parseInt(store, 2));
i += bytesLength - 1;
} else {
str += String.fromCharCode(_arr[i]);
}
}
return str;
},
hexToString(str){
var val="",len = str.length/2;
for(var i = 0; i < len; i++){
val += String.fromCharCode(parseInt(str.substr(i*2,2),16));
}
console.log(val,'16进制转字符串')
// this.utf8to16(val);
return val
},
//处理中文乱码问题
utf8to16(str) {
var that = this
var out, i, len, c;
var char2, char3;
out = "";
len = str.length;
i = 0;
while(i < len) {
c = str.charCodeAt(i++);
switch(c >> 4){
case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
out += str.charAt(i-1);
break;
case 12: case 13:
char2 = str.charCodeAt(i++);
out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
break;
case 14:
char2 = str.charCodeAt(i++);
char3 = str.charCodeAt(i++);
out += String.fromCharCode(((c & 0x0F) << 12) |
((char2 & 0x3F) << 6) |
((char3 & 0x3F) << 0));
break;
}
}
console.log(out,'out')
return out;
},
}
}
</script>
write() {
var main = plus.android.runtimeMainActivity();
var intent = main.getIntent();
try {
console.log("text=" + this.writeCode);
var textBytes = plus.android.invoke(this.writeCode, "getBytes");
var textRecord = new NdefRecord(NdefRecord.TNF_MIME_MEDIA,
plus.android.invoke("text", "getBytes"), plus.android.invoke("", "getBytes"), textBytes);
var message = new NdefMessage([textRecord]);
var Ndef = plus.android.importClass('android.nfc.tech.Ndef');
var NdefFormatable = plus.android.importClass('android.nfc.tech.NdefFormatable');
var tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
var ndef = Ndef.get(tag);
if (ndef != null) {
var size = message.toByteArray().length;
console.log("size=" + size);
ndef.connect();
if (!ndef.isWritable()) {
console.log("tag不允许写入");
uni.showToast({
title: "tag不允许写入.",
icon: "none"
});
}
if (ndef.getMaxSize() < size) {
console.log("文件大小超出容量");
// waiting.close();
uni.showToast({
title: "文件大小超出容量.",
icon: "none"
});
}
// console.log('写入数据：' + JSON.stringify(message) + ' __TYPE__: ' + JSON.stringify(message.__TYPE__));
console.log("message:" + message)
ndef.writeNdefMessage(message);
console.log("写入数据成功.");
uni.showToast({
title: "写入数据成功.",
icon: "none"
});
} else {
console.log("不支持NdefFormatable写入，该方法使用需要格式化tag并且写入message")
// var format = NdefFormatable.get(tag);
// if (format != null) {
// try {
// format.connect();
// format.format(message);
// console.log("格式化tag并且写入message")
// } catch (e) {
// console.log("格式化tag失败.");
// uni.showToast({
// title: "格式化tag失败.",
// icon: "none"
// });
// }
// } else {
// console.log("Tag不支持NDEF");
// uni.showToast({
// title: "Tag不支持NDEF",
// icon: "none"
// });
// }
}
} catch (e) {
console.log("error=" + e);
// waiting.close();
console.log('写入失败');
}
},