From e3179b9da9ed718bb8240ee8a45b3f8c2ad479cb Mon Sep 17 00:00:00 2001
From: gaoluyang <2820782392@qq.com>
Date: 星期二, 18 十一月 2025 14:48:29 +0800
Subject: [PATCH] 1.设备台帐二维码上加上设备名称 2.设备保养和保修加上每次的保养保修金额 3.加一个汇总页面,可以看到每个设备的每个月的金额,也可以选择看每年的金额

---
 src/views/equipmentManagement/ledger/index.vue |   43 +++++++++++++++++++++++++++++++++++++++----
 1 files changed, 39 insertions(+), 4 deletions(-)

diff --git a/src/views/equipmentManagement/ledger/index.vue b/src/views/equipmentManagement/ledger/index.vue
index 83512ae..1119f60 100644
--- a/src/views/equipmentManagement/ledger/index.vue
+++ b/src/views/equipmentManagement/ledger/index.vue
@@ -85,6 +85,7 @@
     <el-dialog v-model="qrDialogVisible" title="浜岀淮鐮�" width="300px">
       <div style="text-align:center;">
         <img :src="qrCodeUrl" alt="浜岀淮鐮�" style="width:200px;height:200px;" />
+        <div style="margin-top:6px;font-size:14px;color:#333;">{{ qrRowData?.deviceName }}</div>
         <div style="margin:10px 0;">
           <el-button type="primary" @click="downloadQRCode">涓嬭浇浜岀淮鐮佸浘鐗�</el-button>
         </div>
@@ -299,10 +300,44 @@
 };
 
 const downloadQRCode = () => {
-  const a = document.createElement("a");
-  a.href = qrCodeUrl.value;
-  a.download = `${qrRowData.value.deviceName || "浜岀淮鐮�"}.png`;
-  a.click();
+  const name = qrRowData.value?.deviceName || "浜岀淮鐮�";
+  const img = new Image();
+  img.src = qrCodeUrl.value;
+  img.onload = () => {
+    const padding = 10;
+    const qrSize = 200;
+    const textHeight = 24; // space for text
+    const width = qrSize + padding * 2;
+    const height = qrSize + padding * 2 + textHeight;
+    const canvas = document.createElement("canvas");
+    canvas.width = width;
+    canvas.height = height;
+    const ctx = canvas.getContext("2d");
+    // background
+    ctx.fillStyle = "#ffffff";
+    ctx.fillRect(0, 0, width, height);
+    // draw QR centered
+    ctx.drawImage(img, padding, padding, qrSize, qrSize);
+    // draw name centered below
+    ctx.fillStyle = "#333";
+    ctx.font = "14px Arial";
+    ctx.textAlign = "center";
+    ctx.textBaseline = "middle";
+    const maxTextWidth = width - padding * 2;
+    let displayName = name;
+    // ellipsis if too long
+    while (ctx.measureText(displayName).width > maxTextWidth && displayName.length > 0) {
+      displayName = displayName.slice(0, -1);
+    }
+    if (displayName !== name) displayName = displayName + "鈥�";
+    ctx.fillText(displayName, width / 2, qrSize + padding + textHeight / 2);
+
+    const dataUrl = canvas.toDataURL("image/png");
+    const a = document.createElement("a");
+    a.href = dataUrl;
+    a.download = `${name}.png`;
+    a.click();
+  };
 };
 
 onMounted(() => {

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