116 lines
2.9 KiB
Vue
116 lines
2.9 KiB
Vue
<template>
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<tpx-bluetooth-native ref="curBlueTooth">
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<template v-slot:content></template>
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</tpx-bluetooth-native>
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<!-- 打印进度 -->
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<tpx-dialog type="type-dialog" title="打印中" :show="prtPercentage">
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<u-row custom-style="width: 500rpx;min-height: 150rpx;padding: 10rpx;">
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<view>
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<u-line-progress :percentage="prtPercentage" activeColor="#B12D29" height="30"></u-line-progress>
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<view class="pt-20">正在发送数据, 请勿退出页面, 如果卡住了请重连打印机重试</view>
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</view>
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</u-row>
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</tpx-dialog>
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</template>
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<script>
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import { showLoading, showToast, hideLoading, canvasGetImageData, getImageInfo, promiseTimeout } from "@/common/untool"
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import * as canvasUtil from "@/common/canvasUtil"
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import tanexPrinterUniSdk from './nativePrint/tanexPrinterUniSdk'
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import printModule from './nativePrint/print'
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import dayjs from "dayjs"
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export default {
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props:{
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},
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computed: {
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},
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data () {
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return {
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prtPercentage: 0, // 打印进度
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paperWidth: 560,
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imgRes: {},
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}
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},
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mounted () {
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this.initData()
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},
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unmounted() {
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},
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methods: {
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async initData() {
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},
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// 打印
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handlePrint(){
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const that = this
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return new Promise(async (resolve, reject)=> {
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let { bl, deviceId } = that.checkPrintParam()
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if(!bl) {
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return reject('打印参数校验不通过')
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}
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let prtInstance = tanexPrinterUniSdk.createInstance()
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prtInstance.init(that.imgRes.height)
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// prtInstance.diyCode(`PAGE-WIDTH 600\r\n`)
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prtInstance.addBitmapByEG(0, 0, that.imgRes.imgData)
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prtInstance.setPagePrint()
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let commond = prtInstance.getPrintCmd()
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console.log("打印命令组装完成,开始打印=====", commond)
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printModule.print(commond)
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that.showToast('数据发送成功，如果无法打印请重连设备重试')
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await promiseTimeout(3000) // 发送数据差不多需要 3s
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resolve(true)
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// await that.loadPrintProcess()
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// printModule.printTestSimple(deviceId)
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})
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},
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checkPrintParam() {
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let msg = '', bl = false
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let { deviceId, isStateOn } = this.$refs.curBlueTooth.getConData()
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!this.imgRes.imgData && (msg = '打印内容不能为空，请重试')
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if(!msg && !(deviceId && isStateOn)) {
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msg = '未连接打印设备'
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}
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msg && (showToast(msg))
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return {
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deviceId,
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msg,
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bl: !msg
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}
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},
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// 给外部调用api，打印自定义图
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async callPrint({ paperWidth, imgsRes }) {
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this.prtLoading = true
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let conSta = await this.$refs.curBlueTooth.autoConnect()
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this.$emit('autoConnectCallback', conSta)
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if(!Array.isArray(imgsRes)) {
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imgsRes = [imgsRes]
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}
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if(conSta) {
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showLoading()
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for(let i = 0; i < imgsRes.length; i ++) {
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let item = imgsRes[i]
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if(item) {
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this.paperWidth = paperWidth || this.paperWidth
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this.imgRes = item
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await this.handlePrint()
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}
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}
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hideLoading()
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return true
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} else {
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return false
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}
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}
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}
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}
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</script>
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<style scoped lang="scss">
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</style> |