读取IC 卡的ID信息以及NFC读写IC卡扇区信息

本人第一次用hbuilderx 开发手机app 因需求,,需要读写IC卡及获取IC卡的唯一ID
在论坛转了转,参照相关的帖子,如下: 原文地址1 原文地址2以及查看了android.nfc的相关api说明.经验分享出来.

var NfcAdapter;  
var NdefRecord;  
var NdefMessage;  
var nfcAdapter;  

function listenNFCStatus() {  
    try {  
        var main = plus.android.runtimeMainActivity();  
        var Intent = plus.android.importClass('android.content.Intent');  
        var Activity = plus.android.importClass('android.app.Activity');  
        var PendingIntent = plus.android.importClass('android.app.PendingIntent');  
        var IntentFilter = plus.android.importClass('android.content.IntentFilter');  
        NfcAdapter = plus.android.importClass('android.nfc.NfcAdapter');  
        nfcAdapter = NfcAdapter.getDefaultAdapter(main);  
        var intent = new Intent(main, main.getClass());  
        intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);  
        var pendingIntent = PendingIntent.getActivity(main, 0, intent, 0);  
        var ndef = new IntentFilter("android.nfc.action.TECH_DISCOVERED");  
        ndef.addDataType("*/*");  
        var intentFiltersArray = [ndef];  
        var techListsArray = [  
            ["android.nfc.tech.IsoDep"],  
            ["android.nfc.tech.NfcA"],  
            ["android.nfc.tech.NfcB"],  
            ["android.nfc.tech.NfcF"],  
            ["android.nfc.tech.Nfcf"],  
            ["android.nfc.tech.NfcV"],  
            ["android.nfc.tech.NdefFormatable"],  
            ["android.nfc.tech.MifareClassi"],  
            ["android.nfc.tech.MifareUltralight"]  
        ];  
        document.addEventListener("newintent",  
            function() {  
                console.error('newintent');  
                setTimeout(handle_nfc_data1, 1000);  
            }, false);  
        document.addEventListener("pause", function(e) {  
            if (nfcAdapter) {  
                nfcAdapter.disableForegroundDispatch(main);  
                console.log('pause');  
            }  
        }, false);  
        document.addEventListener("resume", function(e) {  
            if (nfcAdapter) {  
                nfcAdapter.enableForegroundDispatch(main, pendingIntent, intentFiltersArray, techListsArray);  
            }  
        }, false);  

        nfcAdapter.enableForegroundDispatch(main, pendingIntent, intentFiltersArray, techListsArray);  

    } catch (e) {  
        console.error(e);  
    }  
}  

function handle_nfc_data1() {  
    NdefRecord = plus.android.importClass("android.nfc.NdefRecord");  
    NdefMessage = plus.android.importClass("android.nfc.NdefMessage");  
    var main = plus.android.runtimeMainActivity();  
    var intent = main.getIntent();  
    if ("android.nfc.action.TECH_DISCOVERED" == intent.getAction()) {  
        if (readyWriteData) {  
            __write(intent);  
            readyWriteData = false;  
        } else if (readyRead) {  
            __read(intent);  
            readyRead = false;  
        } else if (readyGetid) {  
            __getId(intent);  
            readyGetid = false;  
        }  
    }  
}  

function showToast(msg) {  
    plus.nativeUI.toast(msg);  
}  

function __write(intent) {  
    try {  
        waiting.setTitle('请勿移开标签\n正在写入...');  
        var textBytes = plus.android.invoke(writeInfo, "getBytes");  
        // image/jpeg text/plain    
        var textRecord = new NdefRecord(NdefRecord.TNF_MIME_MEDIA,  
            plus.android.invoke("text/plain", "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);  
        console.log(JSON.stringify(ndef));  
        if (ndef != null) {  
            var size = message.toByteArray().length;  
            console.log("size=" + size);  
            ndef.connect();  
            if (!ndef.isWritable()) {  
                showToast("tag不允许写入");  
                waiting.close();  
                return;  
            }  
            if (ndef.getMaxSize() < size) {  
                showToast("文件大小超出容量");  
                waiting.close();  
                return;  
            }  

            ndef.writeNdefMessage(message);  
            waiting.close();  
            showToast("写入数据成功.");  
            return;  
        } else {  
            var format = NdefFormatable.get(tag);  
            if (format != null) {  
                try {  
                    format.connect();  
                    format.format(message);  
                    showToast("格式化tag并且写入message");  
                    waiting.close();  
                    return;  
                } catch (e) {  
                    showToast("格式化tag失败.");  
                    waiting.close();  
                    return;  
                }  
            } else {  
                showToast("Tag不支持NDEF");  
                waiting.close();  
                return;  
            }  
        }  
    } catch (e) {  
        console.log("error=" + e);  
        waiting.close();  
        alert('写入失败');  
    }  

}  

function __read(intent) {  
    try {  
        waiting.setTitle('请勿移开标签\n正在读取数据...');  
        var Parcelable = plus.android.importClass("android.os.Parcelable");  
        var rawmsgs = intent.getParcelableArrayExtra("android.nfc.extra.NDEF_MESSAGES");  
        var records = rawmsgs[0].getRecords();  
        var result = records[0].getPayload();  
        var s = plus.android.newObject("java.lang.String", result);  
        waiting.close();  
        if (s.length > 0) {  
            if (typeof readAction === 'function') {  
                readAction(s);  
            }  
        } else {  
            showToast("数据为空");  
        }  

    } catch (e) {  
        console.log("error=" + e);  
        waiting.close();  
        alert('读取失败');  
    }  

}  

function __getId(intent) {  
    try {  
        var tag = plus.android.importClass('android.nfc.Tag');  
        tag = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);  

        var result = tag.getId();  
        //var id = plus.android.newObject("java.lang.String", result);  
        waiting.close();  
        if (result.length > 0) {  
            if (typeof GetidAction === 'function') {  

                GetidAction(GetIdParam, result);  
            }  
        } else {  
            showToast("数据为空");  
        }  

    } catch (e) {  
        //TODO handle the exception  
        console.log("error=" + e);  
        waiting.close();  
        alert('读取失败');  
    }  
}  

document.addEventListener('plusready', listenNFCStatus, false);  

var waiting;  
var readyWriteData = false;  
var readyRead = false;  
var readyGetid = false;  

var readAction;  

var GetidAction;  
var GetIdParam;  

var writeAction;  
var writeInfo;  

function writeData(writeValue, writefunction, ) {  

    readyWriteData = true;  
    writeInfo = writeValue;  
    writeAction = writefunction;  
    waiting = plus.nativeUI.showWaiting("请将NFC标签靠近！");  
}  

function readData(readfunction) {  
    readyRead = true;  
    readAction = readfunction;  
    waiting = plus.nativeUI.showWaiting("请将NFC标签靠近！");  
}  

function getId(param, getidfunction) {  
    readyGetid = true;  
    GetIdParam = param;  
    GetidAction = getidfunction;  

    waiting = plus.nativeUI.showWaiting("请将NFC标签靠近！");  
}  

function convertCardID(cardIdResult) {  
    var tmp = '';  

    for (var i = 0; i < cardIdResult.length; i++) {  
        var valueStr = parseInt(cardIdResult[i]);  

        if (valueStr < 0) {  
            tmp = tmp + (255 + valueStr + 1).toString(16).toUpperCase() + ":";  
        } else if (valueStr >= 0 && valueStr < 16) {  
            tmp = tmp + '0' + valueStr.toString(16).toUpperCase() + ":";  
        } else {  
            tmp = tmp + valueStr.toString(16).toUpperCase() + ":";  
        }  
    }  
    return tmp.substr(0, tmp.length - 1);  
}