FormData图片上传并附带参数

 var formData = new FormData();
            formData.append("file",$("#id")[0].files[0]);

            var type = $('#type').val()
            var user = $('#fuser').val()
            formData.append("type",type)
            formData.append("user",user)

            $.ajax({
                url: baseURL+"url",
                data:  formData,
                type: "Post",
                dataType: "formData",
                cache: false,//上传文件无需缓存
                processData: false,//用于对data参数进行序列化处理 这里必须false
                contentType: false, //必须
                success: function (data) {
           
                },
            })

        }