Files
web/app/components/common/QRcode.vue
2026-05-21 08:50:16 +07:00

141 lines
3.6 KiB
Vue

<template>
<div class="has-text-centered">
<div class="mb-4">
<p v-if="row && row.fullname">
<b>{{ row.fullname }}</b>
</p>
</div>
<div class="mt-2 px-5 is-flex is-justify-content-center">
<ClientOnly>
<Qrcode
v-if="finalLink"
:key="finalLink"
id="qrcode"
:value="finalLink"
:size="300"
/>
</ClientOnly>
<div
v-if="!finalLink"
style="
width: 300px;
height: 300px;
border: 1px dashed #ccc;
display: flex;
align-items: center;
justify-content: center;
color: #888;
"
>
Không dữ liệu để tạo QR Code
</div>
</div>
<div class="mt-2 is-flex is-justify-content-center is-gap-1">
<a
@click="openLink()"
class="button is-light is-link is-rounded"
:title="isVietnamese ? 'Mở đường dẫn liên kết' : 'Open external link'"
v-if="finalLink"
>
<span class="icon">
<SvgIcon v-bind="{ name: 'open.svg', type: 'primary', size: 24 }" />
</span>
</a>
<a
@click="download()"
class="button is-light is-link is-rounded"
:title="isVietnamese ? 'Tải Xuống QR Code' : 'Download QR Code'"
v-if="finalLink"
>
<span class="icon">
<SvgIcon v-bind="{ name: 'download.svg', type: 'primary', size: 24 }" />
</span>
</a>
</div>
</div>
</template>
<script setup>
import { computed } from "vue";
import { useStore } from "@/stores/index";
const store = useStore();
const isVietnamese = computed(() => store.lang === "vi");
const { $getpath, $snackbar } = useNuxtApp();
const props = defineProps({
row: Object,
link: String,
});
const finalLink = computed(() => {
if (props.link) {
return props.link;
}
if (props.row && props.row.code) {
const path = $getpath();
const baseUrl = path ? path.replace("api.", "") : "";
return `${baseUrl}loan/${props.row.code}`;
}
return "";
});
function openLink() {
if (finalLink.value) {
window.open(finalLink.value, "_blank");
}
}
function sleep(ms) {
return new Promise((resolve) => setTimeout(resolve, ms));
}
async function download() {
if (!finalLink.value) return;
let svg = document.getElementById("qrcode");
let attempts = 0;
while (!svg && attempts < 5) {
await sleep(100);
svg = document.getElementById("qrcode");
attempts++;
}
if (!svg) {
console.error("QR Code SVG element not found after waiting.");
$snackbar(isVietnamese.value ? "Không tìm thấy mã QR để tải xuống." : "QR Code not found for download.", "Error");
return;
}
const serializer = new XMLSerializer();
const svgData = serializer.serializeToString(svg);
const svgBlob = new Blob([svgData], { type: "image/svg+xml;charset=utf-8" });
const url = URL.createObjectURL(svgBlob);
const image = new Image();
image.onload = () => {
const canvas = document.createElement("canvas");
canvas.width = 300;
canvas.height = 300;
const ctx = canvas.getContext("2d");
ctx.drawImage(image, 0, 0, 300, 300);
const pngUrl = canvas.toDataURL("image/png");
const linkElement = document.createElement("a");
linkElement.href = pngUrl;
const filename = props.row && props.row.code ? `qrcode-${props.row.code}.png` : "qrcode.png";
linkElement.download = filename;
linkElement.click();
URL.revokeObjectURL(url);
$snackbar(isVietnamese.value ? "Đã tải xuống mã QR!" : "QR Code downloaded!", "Error");
};
image.src = url;
}
</script>