初始版本提交

src/views/demo/feat/download/index.vue

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+<template>
+  <PageWrapper title="文件下载示例">
+    <a-alert message="根据后台接口文件流下载" />
+    <a-button type="primary" class="my-4" @click="handleDownByData"> 文件流下载 </a-button>
+
+    <a-alert message="根据文件地址下载文件" />
+    <a-button type="primary" class="my-4" @click="handleDownloadByUrl"> 文件地址下载 </a-button>
+
+    <a-alert message="base64流下载" />
+    <a-button type="primary" class="my-4" @click="handleDownloadByBase64"> base64流下载 </a-button>
+
+    <a-alert message="图片Url下载,如果有跨域问题，需要处理图片跨域" />
+    <a-button type="primary" class="my-4" @click="handleDownloadByOnlineUrl">
+      图片Url下载
+    </a-button>
+  </PageWrapper>
+</template>
+<script lang="ts">
+  import { defineComponent } from 'vue';
+  import {
+    downloadByUrl,
+    downloadByData,
+    downloadByBase64,
+    downloadByOnlineUrl,
+  } from '/@/utils/file/download';
+  import imgBase64 from './imgBase64';
+  import { PageWrapper } from '/@/components/Page';
+  import { Alert } from 'ant-design-vue';
+
+  export default defineComponent({
+    components: { PageWrapper, [Alert.name]: Alert },
+    setup() {
+      function handleDownByData() {
+        downloadByData('text content', 'testName.txt');
+      }
+      function handleDownloadByUrl() {
+        downloadByUrl({
+          url: 'https://codeload.github.com/anncwb/vue-vben-admin-doc/zip/master',
+          target: '_self',
+        });
+
+        downloadByUrl({
+          url: 'https://vebn.oss-cn-beijing.aliyuncs.com/vben/logo.png',
+          target: '_self',
+        });
+      }
+
+      function handleDownloadByBase64() {
+        downloadByBase64(imgBase64, 'logo.png');
+      }
+
+      function handleDownloadByOnlineUrl() {
+        downloadByOnlineUrl(
+          'https://p3-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/5944817f47b8408e9f1442ece49d68ca~tplv-k3u1fbpfcp-watermark.image',
+          'logo.png',
+        );
+      }
+      return {
+        handleDownloadByUrl,
+        handleDownByData,
+        handleDownloadByBase64,
+        handleDownloadByOnlineUrl,
+      };
+    },
+  });
+</script>