post增加了对文件支持

     增加了对文件的支持
    async saveLocalUrl(file) {
        let url = xxxxxx'
        let formdata = new FormData()
        formdata.append('file', file.raw)
        var data = await Util.post(url, formdata, '3')
        if (data.status == '200') {
        }
    },

// type   1   2   3
export function post(url, data = {}, type = 1) {
    return new Promise((resolve, reject) => {
        var myHeader
        if (type == 1) {
            data = qs.stringify(data)
            myHeader = {
                'Content-Type': 'application/x-www-form-urlencoded',
                'Authorization': localStorage.getItem('token')
            }
        } else if (type == 2) {
            myHeader = { 'Content-Type': 'application/json' }
        } else if (type == 3) {
            myHeader = { 'Content-Type': 'multipart/form-data' }
        }
        Axios.post(baseUrl.apiUrl + url, data, { headers: myHeader })
            .then(response => {
                resolve(response.data);
            }).catch(err => {
                reject(err)
            })
    })
}