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  • asp.net后台编写 loading效果

    From :http://www.cnblogs.com/ganmk/articles/1207832.html

    使用方法:
     protected void Page_Load(object sender, EventArgs e)
            {
                initJavascript();
                FillCheckBox();
               UnloadJavascript();
            }

    #region "页面加载中效果"
            /// <summary>
            /// 页面加载中效果
            /// </summary>
            public static void initJavascript()
            {
                HttpContext.Current.Response.Write(" <script language=JavaScript type=text/javascript>");
                HttpContext.Current.Response.Write("var t_id = setInterval(animate,20);");
                HttpContext.Current.Response.Write("var pos=0;var dir=2;var len=0;");
                HttpContext.Current.Response.Write("function animate(){");
                HttpContext.Current.Response.Write("var elem = document.getElementById('progress');");
                HttpContext.Current.Response.Write("if(elem != null) {");
                HttpContext.Current.Response.Write("if (pos==0) len += dir;");
                HttpContext.Current.Response.Write("if (len>32 || pos>79) pos += dir;");
                HttpContext.Current.Response.Write("if (pos>79) len -= dir;");
                HttpContext.Current.Response.Write(" if (pos>79 && len==0) pos=0;");
                HttpContext.Current.Response.Write("elem.style.left = pos;");
                HttpContext.Current.Response.Write("elem.style.width = len;");
                HttpContext.Current.Response.Write("}}");
                HttpContext.Current.Response.Write("function remove_loading() {");
                HttpContext.Current.Response.Write(" this.clearInterval(t_id);");
                HttpContext.Current.Response.Write("var targelem = document.getElementById('loader_container');");
                HttpContext.Current.Response.Write("targelem.style.display='none';");
                HttpContext.Current.Response.Write("targelem.style.visibility='hidden';");
                HttpContext.Current.Response.Write("}");
                HttpContext.Current.Response.Write("</script>");
                HttpContext.Current.Response.Write("<style>");
                HttpContext.Current.Response.Write("#loader_container {text-align:center; position:absolute; top:40%; width:100%; left: 0;}");
                HttpContext.Current.Response.Write("#loader {font-family:Tahoma, Helvetica, sans; font-size:11.5px; color:#000000; background-color:#FFFFFF; padding:10px 0 16px 0; margin:0 auto; display:block; width:130px; border:1px solid #5a667b; text-align:left; z-index:2;}");
                HttpContext.Current.Response.Write("#progress {height:5px; font-size:1px; width:1px; position:relative; top:1px; left:0px; background-color:#8894a8;}");
                HttpContext.Current.Response.Write("#loader_bg {background-color:#e4e7eb; position:relative; top:8px; left:8px; height:7px; width:113px; font-size:1px;}");
                HttpContext.Current.Response.Write("</style>");
                HttpContext.Current.Response.Write("<div id=loader_container>");
                HttpContext.Current.Response.Write("<div id=loader>");
                HttpContext.Current.Response.Write("<div align=center>页面正在加载中 </div>");
                HttpContext.Current.Response.Write("<div id=loader_bg><div id=progress> </div></div>");
                HttpContext.Current.Response.Write("</div></div>");
                HttpContext.Current.Response.Flush();
            }
            public static void UnloadJavascript()
            {
                HttpContext.Current.Response.Write(" <script language=JavaScript type=text/javascript>");
                HttpContext.Current.Response.Write("remove_loading();");
                HttpContext.Current.Response.Write(" </script>");
            }
            #endregion
    View Code
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  • 原文地址:https://www.cnblogs.com/wangjiahong/p/4563786.html
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