#myProgress

        {

            background: ghostwhite;

            width: 200px;

            height: 30px;

            -webkit-appearance: none;

        }

        ::-ms-fill                          //针对不同的浏览器做的处理

        {

            background: dodgerblue;

        }

        ::-moz-progress-bar

        {

            background: dodgerblue;

        }

        ::-webkit-progress-bar         //全部的（整个进度条）

        {

            background: ghostwhite;

        }

        ::-webkit-progress-value       //已完成的样式

        {

            background: dodgerblue;

        }
        

  $("#myform").ajaxSubmit({

                    beforeSubmit: function (formData, jqForm, options) {    //开始之前

                        $("#myProgress").show();

                        $("#per").show();

                    }, uploadProgress: function (event, position, total, percentComplete) {   //显示进度的

                        $("#myProgress").val(percentComplete);

                        $("#per").text(percentComplete + "%");

                    },

                    success: function (data) {

                        $("#myProgress").hide();

                        $("#per").hide();

                    },

                    error: function (data, status, e) {

                        $("#myProgress").hide();

                        $("#per").hide();

                        NewAlertBox('ERROR', '上传失败！', 2000);

                    },

                    url: "/tool/upload_ajax.ashx",

                    type: "post",

                    dataType: "json",

                    timeout: 60000

                });