导出表格操作

// 导出参与人名单
        exportPlayerInfo () {
            let form = {
                activityId: this.activityId
            }
            API.exportPlayerInfo(form).then(res => {
                if (+res.status === 200) {
                    if (+res.data.code === -1) {
                        this.sentMsg(res.data.message)
                        return
                    }
                    let elink = document.createElement('a')
                    elink.download = this.table.title + '.xls'
                    elink.style.display = 'none'

                    let blob = new Blob([res.body])
                    elink.href = window.URL.createObjectURL(blob)

                    document.body.appendChild(elink)
                    elink.click()
                    document.body.removeChild(elink)
                } else {
                    this.sentMsg(res.data.message || '下载失败')
                }
            }, res => {
                this.sentMsg()
            })
        },