fix: 尝试修复打印机任务并发导致打印内容错乱问题 #1001679

src/views/order/factoryOrderNew/index.vue

@@ -2864,12 +2864,19 @@ const handleSeedingWall = (type: 'print' | 'sort') => {
   podOrderVisible.value = true
 }
 
-const printOrder = async (
+/** LODOP 单例不可并发，打印串行 */
+let printOrderChain: Promise<void> = Promise.resolve()
+
+const printOrder = (
   data: OrderData,
   callback: (status: boolean) => void,
 ) => {
+  const run = async () => {
     const lodop = getCLodop(null, null)
-  if (!lodop) return
+    if (!lodop) {
+      callback && callback(false)
+      return
+    }
     lodop.PRINT_INIT('打印内容')
     const printerIndex = lodop.SET_PRINTER_INDEX(sheetPrinter.value)
     console.log(
@@ -2924,11 +2931,9 @@ const printOrder = async (
         console.log('PRINT_STATUS_OK:', jobCode, `ok: ${ok}`)
         if (ok == 1) {
           console.log('打印成功')
-        // 打印状态：成功
           callback && callback(true)
           return
         }
-      // 如果打印状态表示未成功或者返回了空，继续获取任务是否存在
         const exist = await lodopCall((lodop) =>
           lodop.GET_VALUE('PRINT_STATUS_EXIST', jobCode),
         )
@@ -2942,7 +2947,6 @@ const printOrder = async (
         )
         if (exist == 0) {
           console.log('任务不存在了', `exist:${exist}`)
-        // 任务不存在了
           callback && callback(true)
           return
         }
@@ -2959,6 +2963,9 @@ const printOrder = async (
       lodop.PRINT()
       callback && callback(false)
     }
+  }
+
+  printOrderChain = printOrderChain.then(run, run)
 }
 let _lodop: LODOPObject | null = null
 let _lodopCallback: { [key: string]: (value: string) => void } = {}

src/views/order/podUs/PodMakeOrder.vue

@@ -1442,15 +1442,24 @@ const handlePrinterChange = (value: string) => {
   emit('set-printer', value)
 }
 
+/** 已自动打印过的订单，避免 WS 回写清掉 printResult 后重复打印 */
+const autoPrintedIds = new Set<number>()
+
 const print = (data: OrderData, forcePrint = false, callback?: () => void) => {
   const _boxIndex = boxIndex.value
+  const orderId = data.id
 
-  if (!forcePrint && data.printResult) {
+  if (
+    !forcePrint &&
+    (data.printResult || (orderId != null && autoPrintedIds.has(orderId)))
+  ) {
     callback && callback()
     return
   }
+  if (!forcePrint && orderId != null) autoPrintedIds.add(orderId)
 
   props.printOrder(data, (status: boolean) => {
+    if (!status && orderId != null) autoPrintedIds.delete(orderId)
     callback && callback()
     const item = podBoxList.value?.find((item) => item.box === _boxIndex)
     if (item && item.data) {