68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
"use strict";
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const Service = require("egg").Service;
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const OSS = require('ali-oss');
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function fileToBlob(file) {
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// 创建 FileReader 对象
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let reader = new FileReader();
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return new Promise(resolve => {
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// FileReader 添加 load 事件
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reader.addEventListener('load', (e) => {
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let blob;
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if (typeof e.target.result === 'object') {
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blob = new Blob([e.target.result])
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} else {
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blob = e.target.result
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}
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resolve(blob)
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})
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// FileReader 以 ArrayBuffer 格式 读取 File 对象中数据
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reader.readAsArrayBuffer(file)
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})
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}
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class ImageService extends Service {
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/**
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* 保存图片
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* @param {*} showPath 图片展示路径
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* @param {*} dicomInfo dicom信息
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* @param {*} user_id user_id
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*/
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async downloadImage(path, osPath, config) {
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try {
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const client = new OSS({
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region: config.region,
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accessKeyId: config.accessKeyId,
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accessKeySecret: config.accessKeySecret,
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bucket: config.bucket
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});
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const result = await client.get(path, osPath);
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return result
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} catch (e) {
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console.log(e)
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}
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}
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async dcmUpload (name, file, config){
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const client = new OSS({
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region: config.region,
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accessKeyId: config.accessKeyId,
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accessKeySecret: config.accessKeySecret,
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bucket: config.bucket
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});
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return new Promise(async resolve => {
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try {
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let res = await client.put(name, file)
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resolve({
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...res,
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})
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} catch (e) {
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resolve(false)
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console.log(e)
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}
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})
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}
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}
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module.exports = ImageService;
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