From 860560648a27010ab8d919eff55c3b4fdb682fab Mon Sep 17 00:00:00 2001
From: zjk <852185829@qq.com>
Date: 星期五, 24 七月 2026 15:56:46 +0800
Subject: [PATCH] feat(打印): 处理打印机缺纸错误并添加节流提示
---
utils/visitorDevice.js | 19 +++++++++++++++++++
pages/appointment-scan/n-index.nvue | 9 +++++++++
2 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/pages/appointment-scan/n-index.nvue b/pages/appointment-scan/n-index.nvue
index 2b87f6f..f2df429 100644
--- a/pages/appointment-scan/n-index.nvue
+++ b/pages/appointment-scan/n-index.nvue
@@ -2475,6 +2475,10 @@
}
};
+const handlePrinterOutOfPaper = () => {
+ openNoticeDialog('提示', '打印机缺纸，请联系管理员');
+};
+
// -------------------- 区域数据加载 --------------------
const loadVisitAreas = async () => {
try {
@@ -2511,6 +2515,7 @@
// 必须在页面挂载的第一时间注册扫码和读卡的事件监听，
// 绝对不能放在 await 数据加载之后，否则会导致进入页面前几十秒内刷卡/扫码无反应！
registerAppointmentScanHandler();
+ uni.$on('Hardware-PrintOutOfPaper', handlePrinterOutOfPaper);
syncReadCardByStep(currentStepName.value);
// 首页扫码成功后会直接跳到预约登记的身份证步骤，这里需要保留并恢复之前已缓存的二维码数据，
@@ -2554,6 +2559,7 @@
onUnmounted(() => {
clearInactivityTimer();
unregisterAppointmentScanHandler();
+ uni.$off('Hardware-PrintOutOfPaper', handlePrinterOutOfPaper);
dismissNameInput();
stopScanLineAnimation();
stopNoticeDialogCountdown();
@@ -3260,6 +3266,9 @@
goNext();
} catch (error) {
console.error('打印失败:', error);
+ if (error?.code === 2) {
+ return;
+ }
openNoticeDialog('打印失败', '请检查打印机状态或纸张是否充足');
}
};
diff --git a/utils/visitorDevice.js b/utils/visitorDevice.js
index c3309af..74e9bee 100644
--- a/utils/visitorDevice.js
+++ b/utils/visitorDevice.js
@@ -14,6 +14,21 @@
let initResult = null;
const PLUGIN_DEBUG_ENABLED = true;
let debugModalQueue = Promise.resolve();
+let lastPrinterOutOfPaperNoticeAt = 0;
+
+const emitPrinterOutOfPaperNoticeOnce = () => {
+ const now = Date.now();
+ // 打印机缺纸时，原生插件可能在短时间内连续回调很多次 code=2，这里做节流避免重复弹窗轰炸。
+ if (now - lastPrinterOutOfPaperNoticeAt < 10000) {
+ return;
+ }
+
+ lastPrinterOutOfPaperNoticeAt = now;
+ uni.$emit('Hardware-PrintOutOfPaper', {
+ code: 2,
+ message: '打印机缺纸，请联系管理员',
+ });
+};
const getPluginMethod = (methodNames = []) => {
if (!HardwarePlugin) {
@@ -540,6 +555,10 @@
if (methodName) {
HardwarePlugin[methodName]({ options: printList }, (res) => {
// showPluginDebugModal('打印凭证回调', res);
+ if (res && res.code === 2) {
+ emitPrinterOutOfPaperNoticeOnce();
+ }
+
if (res && res.code === 0) {
resolve(res);
} else {
--
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