axios请求结果判断，对二进制流或json做不同处理
对于特殊的上传需求：上传成功后展示成功相关信息的提示语，而失败通过Excel文件下载展示详细的错误数据及错误原因。通常可以在出错后生成Excel文件，并保存至服务器或上传到minio，再返回文件地址，这样返回结果类型统一。
也可在错误时直接通过response返回二进制数据流，需要在前端请求后判断响应的数据类型。
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| axios.post(
this.upload.url,
params,
{
responseType: 'blob',
headers: this.upload.headers
}
).then(response => {
if (response.data.type === 'application/json') {
return response.data.text()
} else {
this.$confirm('批量导入信息失败，请下载失败文件查看详情！', '提示', {
confirmButtonText: '确定',
cancelButtonText: '取消',
type: 'warning'
}).then(() => {
const blob = new Blob([response.data])
const a = document.createElement('a')
const url = URL.createObjectURL(blob)
const filename = '批量导入失败原因文件' + '.xlsx'
a.href = url
a.download = filename
a.click()
URL.revokeObjectURL(url)
this.upload.open = false
this.upload.isUploading = false
this.$refs.upload.clearFiles()
})
}
}).then(text => {
if (!text) return
const response = JSON.parse(text)
this.upload.open = false
this.upload.isUploading = false
this.$refs.upload.clearFiles()
let title = ''
if (response.code === 200) {
title = response.msg
} else {
title = response.message
}
this.$alert(
'<div style=\'overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;\'>' + title + '</div>',
'导入结果',
{ dangerouslyUseHTMLString: true }
)
this.getDeptTree()
}).finally(() => {
this.loading = false
})
|