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components/tpx-bluetooth-print/render-template-native.vue

@@ -34,9 +34,6 @@ export default {
 			prtPercentage: 0, // 打印进度 
 			paperWidth: 560,
 			imgRes: {},
-			prtQueList: [],
-			lastExeMark: undefined,
-			prtLoading: false,
 		}
 	},
 	mounted () {
@@ -66,6 +63,7 @@ export default {
 				console.log("打印命令组装完成,开始打印=====", commond)
 				printModule.print(commond)
 				that.showToast('数据发送成功，如果无法打印请重连设备重试')
+				await promiseTimeout(3000) // 发送数据差不多需要 3s
 				resolve(true)
 				// await that.loadPrintProcess()
 				// printModule.printTestSimple(deviceId)
@@ -86,37 +84,28 @@ export default {
 			}
 		},
 		// 给外部调用api，打印自定义图
-		async callPrint(obj) {
-			this.prtQueList.push(obj)
-			clearTimeout(this.lastExeMark)
-			this.lastExeMark = setTimeout(()=> {
-				// if(this.prtLoading) {
-				// 	showToast('当前有打印任务未结束，请稍后再试')
-				// 	return false
-				// }
-				this.finallyExecPrint()
-			}, 500)
-		},
-		
-		async finallyExecPrint() {
+		async callPrint({ paperWidth, imgsRes }) {
 			this.prtLoading = true
 			let conSta = await this.$refs.curBlueTooth.autoConnect()
 			this.$emit('autoConnectCallback', conSta)
-			
-			for(let i = 0; i < this.prtQueList.length; i ++) {
-				let { paperWidth, imgRes } = this.prtQueList[i]
-				if(imgRes) {
-					this.paperWidth = paperWidth || this.paperWidth
-					this.imgRes = imgRes
-					if(conSta) {
+			if(!Array.isArray(imgsRes)) {
+				imgsRes = [imgsRes]
+			}
+			if(conSta) {
+				showLoading()
+				for(let i = 0; i < imgsRes.length; i ++) {
+					let item = imgsRes[i]
+					if(item) {
+						this.paperWidth = paperWidth || this.paperWidth
+						this.imgRes = item
 						await this.handlePrint()
-						this.prtQueList[i] = undefined // 打印成功 清除当前数据
 					}
 				}
+				hideLoading()
+				return true
+			} else {
+				return false
 			}
-			this.prtQueList = []
-			this.prtLoading = false
-			return true
 		}
 	}
 }

components/tpx-bluetooth-print/tpx-bluetooth-print.vue

@@ -91,6 +91,8 @@ export default {
 			})
 		},
 		async startPrint({ imageUrl, paperWidth } = {}, preview = true) {
+			this.imageUrl = [] // 每次打印前，清空历史数据
+			
 			// 默认先做预览
 			if(imageUrl.length > 0) {
 				if(!Array.isArray(imageUrl)){
@@ -108,12 +110,14 @@ export default {
 			}
 		},
 		async confirmPrint(){
-			this.imageUrl.map(async (url, index)=> {
+			let allRes = this.imageUrl.map((url, index)=> {
 				// ！！！注意：必须修改。 canvas渲染的图必须修改url，否则渲染不出来
 				url = `${url}?t=${new Date().valueOf()}`
-				let imgRes = await this.$refs[`curCanvas${index}`][0].renderCanvasImg(url, this.paperWidth)
+				return this.$refs[`curCanvas${index}`][0].renderCanvasImg(url, this.paperWidth)
+			})
+			Promise.all(allRes).then(async (imgsRes)=> {
 				let res = await this.$refs.curPrint.callPrint({
-					imgRes,
+					imgsRes,
 					paperWidth: this.paperWidth
 				})
 			})