From e611254efd3cea20853ceca9c445cdb332e1bf63 Mon Sep 17 00:00:00 2001
From: gaoluyang <2820782392@qq.com>
Date: 星期二, 18 十一月 2025 15:19:56 +0800
Subject: [PATCH] 1.设备台帐二维码上加上设备名称
---
src/views/equipmentManagement/ledger/index.vue | 59 +++++++++++++++++++++++++++++++++++++++++++++++------------
1 files changed, 47 insertions(+), 12 deletions(-)
diff --git a/src/views/equipmentManagement/ledger/index.vue b/src/views/equipmentManagement/ledger/index.vue
index 83512ae..6af5543 100644
--- a/src/views/equipmentManagement/ledger/index.vue
+++ b/src/views/equipmentManagement/ledger/index.vue
@@ -82,14 +82,15 @@
</PIMTable>
</div>
<Modal ref="modalRef" @success="getTableData"></Modal>
- <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:10px 0;">
- <el-button type="primary" @click="downloadQRCode">涓嬭浇浜岀淮鐮佸浘鐗�</el-button>
- </div>
- </div>
- </el-dialog>
+ <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>
+ </div>
+ </el-dialog>
</div>
</template>
@@ -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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