点击a标签可实现下载图片或者是文件到本地的功能
1、根据后台提供的接口url下载文件到本地
<a :href="后台给接口提供的文件的url地址">点击下载文件</a>
2、通过a标签的download属性进行下载,下载文件到本地
<a href="具体的文件的地址" download>点击下载文件</a>
①如果是图片或者是pdf文件,会直接在浏览器中打开,如果是word或者是excel文件会下载到本地
②如果download不给值,会使用默认的文件名
3、
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<el-dialog :model-value="isShow" title="批量上传" @close="closeDialog" width="400px">
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<div class="content">
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<div class="file-handle">
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<el-upload action="/roadtest/apigateway/pi-roadtest-analysis/rest/v1/roadtest/defect/import/excel" @success="uploadSuccess">
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<el-button type="primary">点击上传</el-button>
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</el-upload>
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<a href="#" @="getFile">下载模板文件</a>
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</div>
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<div class="status">
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<ul>
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<li v-for="(item, index) in lists" :key="" class="flex-item-center">
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{{ index + 1 }} {{ }}
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<el-icon color="#67c23a"><circle-check /></el-icon>
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</li>
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</ul>
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</div>
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</div>
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<template #footer>
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<span>
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<el-button type="primary" @click="closeDialog">确定</el-button>
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</span>
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</template>
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</el-dialog>
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async getFile() {
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const res = await getFile();
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if (res.status == '200') {
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const link = document.createElement('a');
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let blob = new Blob([res.data], { type: 'application/;charset=UTF-8' });
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let objectUrl = window.URL.createObjectURL(blob);
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link.href = objectUrl;
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link.download = 'Excel模板';
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const elementA = document.querySelector('.view-container');
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link.style.display = 'none';
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elementA?.append(link);
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link.click();
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elementA?.removeChild(link);
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window.URL.revokeObjectURL(link.href);
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ElMessage({
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message: '下载成功',
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type: 'success',
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});
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} else {
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ElMessage({
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message: '下载失败',
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type: 'error',
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});
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}
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},