axios({ url: '下载接口URL', method: 'post',
baseURL: process.env.VUE_APP_BASE_API,
params: params,
headers: { 'token': getToken() }
data: {}, responseType: 'blob' }).then((res) => { // data就是接口返回的文件流 let data = res.data if (data) { let attrs = res.headers['content-disposition'].split(';') // 获取文件名 let fileName = '' // 不用管fileName在第几个位置,只要=前面是fileName,就取=后面的值 for (let i = 0, l = attrs.length; i < l; i++) { let temp = attrs[i].split('=') if (temp.length > 1 && temp[0].trim() === 'filename') { fileName = temp[1] break } } fileName = decodeURIComponent(fileName) // 获取数据类型 let type = res.headers['content-type'].split(';')[0] let blob = new Blob([res.data], { type: type }) const a = document.createElement('a') // 创建URL const blobUrl = window.URL.createObjectURL(blob) a.download = fileName a.href = blobUrl document.body.appendChild(a) // 下载文件 a.click() // 释放内存 URL.revokeObjectURL(blobUrl) document.body.removeChild(a)
// 方法二:通过FileReader对象实现下载
const reader = new FileReader()
reader.readAsDataURL(res.data)
reader.onload = (e) => {
const a = document.createElement('a')
a.download = fileName
// console.log('e.target.result', e.target.result)
a.href = e.target.result
a.style.display = 'none'
document.body.appendChild(a)
a.click()
document.body.removeChild(a)
}
} else { console.log('error', data) } })