iqc下载文件

src/api/load.js

@@ -40,3 +40,11 @@ export function deleteTaskStudy(params) {
         params
     })
 }
+// 获取iqc下载文件信息
+export function getCRCUploadedStudyInfo(data) {
+    return request({
+        url: '/DownloadAndUpload/getCRCUploadedStudyInfo',
+        method: 'post',
+        data
+    })
+}

src/utils/stream.js

@@ -0,0 +1,48 @@
+import streamSaver from "streamsaver";
+import "streamsaver/examples/zip-stream.js";
+
+// 下载文件并压缩
+function zipFiles(zipName, files) {
+    console.log("同步下载打包开始时间：" + new Date());
+    // 创建压缩文件输出流  
+    const zipFileOutputStream = streamSaver.createWriteStream(zipName);
+    // 创建下载文件流  
+    const fileIterator = files.values();
+    const readableZipStream = new ZIP({
+        async pull(ctrl) {
+            const fileInfo = fileIterator.next();
+            if (fileInfo.done) {//迭代终止  
+                ctrl.close();
+            } else {
+                const { name, url } = fileInfo.value;
+                return fetch(url).then(res => {
+                    ctrl.enqueue({
+                        name,
+                        stream: () => res.body
+                    });
+                })
+            }
+        }
+    });
+    if (window.WritableStream && readableZipStream.pipeTo) {
+        // 开始下载  
+        readableZipStream
+            .pipeTo(zipFileOutputStream)
+            .then(() => console.log("同步下载打包结束时间：" + new Date()));
+    }
+}
+// 下载文件并修改名称
+async function updateFile(file, name) {
+    try {
+        const fileOutputStream = streamSaver.createWriteStream(name);
+        let res = await fetch(file);
+        res.body.pipeTo(fileOutputStream);
+    } catch (err) {
+        console.log(err)
+    }
+}
+export function downLoadFile(file, name, type = 'file') {
+    if (type === 'zip') return zipFiles(name, file);
+    return updateFile(file, name)
+
+}