printPOSCommand

获取当前扫描到的所有外围设备信息

printPOSCommand({params}, callback(ret,err))

params

{ msg: "" //pos命令以及需要打印的内容连接的字符串 支持中文 }

callback(ret,err)

ret：

• 类型：JSON对象
• 内部字段：

{
    status: true   //成功
}

err：

• 类型：JSON对象
• 内部字段：

{
    msg:    //错误信息
}

示例代码

var BluetoothPrinter = api.require('djyPrinter');
BluetoothPrinter.printPOSCommand({
    msg:
            String.fromCharCode(29) + String.fromCharCode(33) + String.fromCharCode(17) + //字体放大
            String.fromCharCode(27) + String.fromCharCode(97) + String.fromCharCode(1) + //居中
            String.fromCharCode(10) +
            String.fromCharCode(10) +
            "零点美食城\n" +
            String.fromCharCode(29) + String.fromCharCode(33) + String.fromCharCode(0) + //字体放大
            String.fromCharCode(27) + String.fromCharCode(97) + String.fromCharCode(0) +
            "西红柿鸡蛋面" + "12元" + "\n" +
            String.fromCharCode(27) + String.fromCharCode(97) + String.fromCharCode(0) +
            String.fromCharCode(10) +
            "总计12元"
            + "\n"
//                                            + "\n" + "\n" + "\n" + "\n" + "\n" + "\n"
}, function (ret, err) {
});

可用性

Android系统

可提供的1.0.0及更高版本