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vue.js uni-app 跨平台app框架 蓝牙连接打印机 demo , ESC TSPL 协议与打印机交互, 鉴于网上资料太少,深知踩坑之痛苦,以此开源分享,如果对你有帮助 请点个Satrt,谢谢。开源**

Vue 6.07% JavaScript 92.16% CSS 1.77%

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bluetoothprinter's Issues

打印多张怎么控制?

功能基本实现了,打印单张的时候没问题,多张的时候只有最后一条打印了,还有预览怎么实现呢?

票据打印安卓没反应

ios可以正常打印,安卓使用demo点击票据打印之后没有反应;

调试会显示:第【0】次写数据27,64,49,49,49,49,27,100,1

jpPrinter.setBitmap 打印不出来图片怎么办

uni.canvasGetImageData({
canvasId: 'edit_area_canvas',
x: 0,
y: 0,
width: 100,
height: 100,
success: function(res) {
console.log("print----image")
command.setSelectJustification(1, 49);
command.setBitmap(res); //没有黑白化处理
},
fail: function fail(res) {
console.log("fail---------------")
}
})

佳博打印机1234d 测试结果

  1. 微信小程序连接打印机测试结果,
    a. 打印程序界面,和标签打印效果
    image
    image
    b. 打印反馈结果
    image

  2. hbuilderX 打包Android测试结果

image

image
image

两个相同的指令集,转换成相同的字符,结果微信小程序能够正常打印,但是hbuilderX 打包的应用程序却无法打印

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