42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
import axios from 'axios'
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import { getToken } from '@/utils/auth'
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const mimeMap = {
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oss: 'application/octet-stream'
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}
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const baseUrl = process.env.VUE_APP_BASE_API
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export function downLoadOss(ossId) {
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var url = baseUrl + '/system/oss/download/' + ossId
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axios({
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method: 'get',
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url: url,
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responseType: 'blob',
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headers: { 'Authorization': 'Bearer ' + getToken() }
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}).then(res => {
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resolveBlob(res, mimeMap.oss)
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})
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}
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/**
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* 解析blob响应内容并下载
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* @param {*} res blob响应内容
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* @param {String} mimeType MIME类型
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*/
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export function resolveBlob(res, mimeType) {
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const aLink = document.createElement('a')
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var blob = new Blob([res.data], { type: mimeType })
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// 从response的headers中获取filename, 后端response.setHeader("Content-disposition", "attachment; filename=xxxx.docx") 设置的文件名;
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var patt = new RegExp('filename=([^;]+\\.[^\\.;]+);*')
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var contentDisposition = decodeURI(res.headers['content-disposition'])
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var result = patt.exec(contentDisposition)
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var fileName = result[1]
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fileName = fileName.replace(/\"/g, '')
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aLink.style.display = 'none'
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aLink.href = URL.createObjectURL(blob)
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aLink.setAttribute('download', decodeURI(fileName)) // 设置下载文件名称
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document.body.appendChild(aLink)
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aLink.click()
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URL.revokeObjectURL(aLink.href);//清除引用
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document.body.removeChild(aLink);
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}
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