js下载流文件（blob）

js

export function 方法名(params) {
    return axios({
        url: api. 方法名,
        method: 'post',
        data: params,
        responseType: 'blob'
    })
}

   // 下载
     [方法名](state, data) {
        console.log(state)
        console.log(data)
        var url = window.URL.createObjectURL(data)
        var filename = 'xxx.xls'
        var a = document.createElement('a')
        a.href = url
        a.download = filename
        a.click()
        window.URL.revokeObjectURL(url)
    }