uniapp实现打印功能_uniapp打印

通过IP地址连接斑马打印机

我的个人博客

export default function print(op, ipAddress, port) {
	//使用ZPL指令打印	
	var ZPLString = `^XA
		^MD30
		^CWJ,E:SIMSUN.TTF^FS   
		^FO40,30^AJN,42,42^CI28^FD生产订单号:^FS^CI28
		^FO320,30^AJN,42,42^FH\^CI28^FD` + op.aufnr + `^FS^CI28
		^FO640,30^AJN,42,42^CI28^FD数量:^FS^CI28
		^FO750,30^AJN,42,42^FH\^CI28^FD` + op.lmnga + `^FS^CI27
		^FO40,90^AJN,42,42^CI28^FD本阶料号:^FS^CI27
		^FO320,90^AJN,42,42^FH\^CI28^FD` + op.matnr + `^FS^CI27
		^FO40,150^AJN,42,42^CI28^FD品名规格:^FS^CI27
		^FO320,150^AJN,42,42^FH\^CI28^FD` + op.maktx + `^FS^CI27
		^FO40,210^AJN,42,42^CI28^FD炉号:^FS^CI27
		^FO320,210^AJN,42,42^FH\^CI28^FD` + op.charg0 + `^FS^CI27
		^FO40,380^AJN,42,42^CI28^FD填写人:^FS^CI27
		^FO320,380^AJN,42,42^FH\^CI28^FD` + op.name + `^FS^CI27
		^FO640,380^AJN,42,42^CI28^FD日期:^FS^CI28
		^FO750,380^AJN,42,42^FH\^CI28^FD` + op.date + `^FS^CI27
		^FO40,438^AJN,42,42^CI28^FD备注:^FS^CI28
		^PQ1,,,Y
		^XZ`


	if (plus.os.name == "Android") {
		var Socket = plus.android.importClass("java.net.Socket");
		var PrintWriter = plus.android.importClass("java.io.PrintWriter");
		var BufferedWriter = plus.android.importClass("java.io.BufferedWriter");
		var OutputStreamWriter = plus.android.importClass("java.io.OutputStreamWriter");
		var BufferedReader = plus.android.importClass("java.io.BufferedReader");
		var InputStreamReader = plus.android.importClass("java.io.InputStreamReader");


		var StrictMode = plus.android.importClass("android.os.StrictMode");
		var Build = plus.android.importClass("android.os.Build");
		if (Build.VERSION.SDK_INT > 9) {
			var policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
			StrictMode.setThreadPolicy(policy);
		}
		console.log("连接服务器中...")
		console.log("ip..." + ipAddress, port)
        //port * 1  传递过的值默认为字符串 无效   转为数值
		var socket = new Socket(`${ipAddress}`, port * 1); // "172.16.19.***", 91**
		socket.setSoTimeout(5000);
		var inputStreamReader = new InputStreamReader(socket.getInputStream());
		var socketReader = new BufferedReader(inputStreamReader);

		var outputStreamWriter = new OutputStreamWriter(socket.getOutputStream());
		var bufferWriter = new BufferedWriter(outputStreamWriter);
		var socketWriter = new PrintWriter(bufferWriter, true);
		socketWriter.println(ZPLString);

		console.log("socketWriter..." + socketWriter)
		var msgBeReceived = socketReader.readLine();
		console.log(msgBeReceived);

	}


}

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打印不出中文解决办法

指令：^XA^WD*:*.**^XZ

作用：打印出所有内存信息，可以用来寻找字体信息.TTF文件