jquery Ajax 实现图片上传的功能。

$('#image').on('change', function () {

        var url = "";

        var form = new FormData();

        form.append("file", this.files[0]);

        var settings = {

            "url": url,

            "method": "POST",

            "timeout": 0,

            "headers": {

                deviceType:"5",

                deviceId:md5("navigator.userAgent")

            },

            "processData": false,

            "mimeType": "multipart/form-data",

            "contentType": false,

            "data": form

        };

        $.ajax(settings).done(function (response) {

            console.log(response);

        });

    })