上传、下载影像

2024-05-17 17:35:05 +08:00
parent 456ff203bb
commit e7ccb10ba3
5 changed files with 613 additions and 121 deletions
@@ -0,0 +1,144 @@
+import JSZip from "jszip";
+import axios from "axios";
+import { saveAs } from "file-saver";
+import Vue from 'vue';
+import {
+    requestPackageAndAnonymizImage,
+} from "@/api/load.js";
+let flag = {};
+export const downloadImage = async (id, id2) => {
+    if (flag[id2]) return
+    flag[id2] = true
+    try {
+        let params = {
+            TrialId: id,
+            SubjectVisitId: id2
+        }
+        let res = await requestPackageAndAnonymizImage(params);
+        flag[id2] = false;
+        if (res.IsSuccess) {
+            if (!res.Result) {
+                Vue.prototype.$message.warning(Vue.prototype.$t("trials:upload:message:not"))
+                return 1;
+            }
+            let a = document.createElement("a");
+            let href = Vue.prototype.OSSclientConfig.basePath + res.Result;
+            let fileName =
+                res.Result.split("/")[res.Result.split("/").length - 1];
+            a.download = fileName;
+            a.href = href;
+            a.click();
+            URL.revokeObjectURL(href);
+            let timer = setTimeout(() => {
+                a = null;
+                href = null;
+                timer = null;
+            }, 500)
+            return 2;
+        } else {
+            return false;
+        }
+    } catch (err) {
+        flag[id2] = false;
+        console.log(err);
+    }
+};
+const setfolder = async (item) => {
+    const zip = new JSZip(); // 创建实例对象
+    let patientIds = item.PatientList.map(i => i.PatientIdStr);
+    let zipName = `${item.SubjectCode}_${patientIds.join(',')}`;
+    let zipObj = {};
+    const promises = [];
+    for (let visit of item.VisitList) {
+        if (!zipObj[`${visit.VisitName}`]) {
+            zipObj[`${visit.VisitName}`] = zip.folder(visit.VisitName);
+        }
+        for (let study of visit.StudyList) {
+            let date = study.StudyTime.split(" ")[0];
+            for (let series of study.SeriesList) {
+                if (
+                    !zipObj[
+                    `${visit.VisitName}${series.Modality}`
+                    ]
+                ) {
+                    zipObj[
+                        `${visit.VisitName}${series.Modality}`
+                    ] = zipObj[`${visit.VisitName}`].folder(
+                        `${date}_${series.Modality}`
+                    );
+                }
+                for (let instance of series.InstancePathList) {
+                    let obj = {
+                        subjectCode: item.SubjectCode,
+                        visitName: visit.VisitName,
+                        date: study.StudyTime.split(" ")[0],
+                        modality: series.Modality,
+                        instancePath: instance.Path,
+                        dicomName: instance.Path.split("/Dicom/")[1],
+                    };
+                    const promise = handleBatchDown(
+                        obj,
+                        zipObj[
+                        `${visit.VisitName}${series.Modality}`
+                        ],
+                    );
+                    promises.push(promise);
+                }
+            }
+        }
+    }
+    // 生成 zip 文件
+    Promise.all(promises)
+        .then(() => {
+            // 生成zip 文件
+            zip
+                .generateAsync({
+                    type: "blob",
+                    compression: "DEFLATE", // STORE: 默认不压缩， DEFLATE：需要压缩
+                    compressionOptions: {
+                        level: 9, // 压缩等级 1~9   1 压缩速度最快， 9 最优压缩方式
+                    },
+                })
+                .then((res) => {
+                    saveAs(res, zipName + ".zip"); // 使用FileSaver.saveAs保存文件，文件名可自定义
+                    flag[id2] = false;
+                    zipObj = null;
+                });
+        })
+        .catch((reason) => { flag[id2] = false; });
+};
+const handleBatchDown = async (item, zip) => {
+    return new Promise((resolve) => {
+        getFileData(
+            Vue.prototype.OSSclientConfig.basePath + item.instancePath
+        ).then((res) => {
+            const fileName = item.dicomName + ".dcm";
+            zip.file(fileName, res.data, { binary: true });
+            resolve();
+        });
+    });
+};
+const getFileData = (fileUrl) => {
+    return new Promise((resolve, reject) => {
+        axios(fileUrl, {
+            method: "GET",
+            responseType: "blob", // 返回的数据会被强制转为blob类型 ，转换成arraybuffer 也行
+        })
+            .then((res) => {
+                resolve(res);
+            })
+            .catch((error) => {
+                reject(error);
+            });
+    });
+};
+export const fileDownload = (content, filename) => {
+    const eleLink = document.createElement("a");
+    eleLink.download = filename;
+    eleLink.style.display = "none";
+    const blob = new Blob([content]);
+    eleLink.href = URL.createObjectURL(blob);
+    document.body.appendChild(eleLink);
+    eleLink.click();
+    document.body.removeChild(eleLink);
+};