上传地址：

/web/auth_api/upload

post

------WebKitFormBoundaryI4OkcF67NzjB2NQn Content-Disposition: form-data; name="file"; filename="黑喵.png" Content-Type: image/png ------WebKitFormBoundaryI4OkcF67NzjB2NQn--

模板：

<input ref="upimg" @change="photoChange" class="finput" type="file" accept="image/*">

methods：

photoChange(el) {
    var file = el.target.files[0];//name: "dangqi1.png" || type: "image/png"
    var type = file.type.split('/')[0];
    if ( type === 'image' ){
        this.upload(file);
    }else{
        alert('上传了非图片');
    }
},
upload(file) {
    let formData = new FormData();
    formData.append('file', file);
    expertApi.upFile(formData).then(function(res){
        console.log('res',res);
    });
},

expertApi.js

define([
    'scripts/http'
], function (request) {
    return {
        
        /**
         * 上传
         * ****/
        upFile: function(data){
            return request({
                url: '/auth_api/upload',
                method: 'post',
                headers: {
                    'Content-Type': 'multipart/form-data',//设置请求头请求格式为JSON
                },
                data: data
            });
        }
    };
});