asp.net 右下角信息提醒

读数据，用定时ajax去请求，至于怎么判断是新数据，自己考虑
弹出可以自己弄个div，显示和隐藏

网站页面设个interval，定时通过ajax去取，有新内容时就提示，内容需要有状态，在提示关闭事件中更新状态为已读。
另外抓数据也可以用socket。数据的显示类似，关闭事件更新状态为已读，下次数据抓取时就不会抓到已经读取的内容。

http://download.csdn.net/detail/cowboylym/4824522

csdn的消息通知就是通过socket做的。

右下角弹出对话框实例演示
//页面加载javascript
<script src="blebHint.js" language="javascript"  >
</script>
//设置弹出窗口
function PopBubble(caption,content,see){

    this.content  = content;  //提示内容
    this.caption= caption;  //提示标题
    this.see= see;    //连接文字
    this.width= 150; //设置弹出窗口的宽度
    this.height = 120;        //设置弹出窗口的高度
    this.timeout= 150;         //设置弹出窗口的停留时间
    this.speed    = 15;      //设置弹出窗口的弹出速度
    this.step    = 2; //设置弹出窗口的弹出步幅
    this.right    = screen.width -1; //设置屏幕的宽度
    this.bottom = screen.height;   //设置屏幕的高度
    this.left = this.right - this.width; //设置窗口的左边到屏幕左边的距离
    this.top= this.bottom - this.height; //设置窗口上边到屏幕上边的距离
    this.timer    = 0; //记录窗口是否退缩
    this.pause    = false;
    this.close    = false;
    this.autoHide    = true;
}
//显示窗口的弹出效果
PopBubble.prototype.show = function(){
//创建一个顶层窗口对象，该对象只有在IE5.5以上的浏览器才能使用
    var oPopup = window.createPopup();
    this.Pop = oPopup;
    var w = this.width;
    var h = this.height;

    var str = "<DIV style='BORDER-RIGHT: #455690 1px solid; BORDER-TOP: #a6b4cf 1px solid; Z-INDEX: 99999; LEFT: 0px; BORDER-LEFT: #a6b4cf 1px solid; WIDTH: " + w + "px; BORDER-BOTTOM: #455690 1px solid; POSITION: absolute; TOP: 0px; HEIGHT: " + h + "px; BACKGROUND-COLOR: #DAED9B'>"
        str += "<TABLE style='BORDER-TOP: #ffffff 1px solid; BORDER-LEFT: #ffffff 1px solid' cellSpacing=0 cellPadding=0 width='100%' bgColor=#EEF7CC border=0>"
        str += "<TR>"
        str += "<TD style='FONT-SIZE: 12px;COLOR: #0f2c8c' width=30 height=24></TD>"
        str += "<TD style='PADDING-LEFT: 4px; FONT-WEIGHT: normal; FONT-SIZE: 12px; COLOR: #1f336b; PADDING-TOP: 4px' vAlign=center width='100%'>" + this.caption + "</TD>"

        str += "</TR>"
        str += "<TR>"
        str += "<TD style='PADDING-RIGHT: 1px;PADDING-BOTTOM: 1px' colSpan=2 height=" + (h-28) + ">"
        str += "<DIV style='BORDER-RIGHT: #b9c9ef 1px solid; PADDING-RIGHT: 8px; BORDER-TOP: #7AA14E 1px solid; PADDING-LEFT: 8px; FONT-SIZE: 12px; PADDING-BOTTOM: 8px; BORDER-LEFT: #7AA14E 1px solid; WIDTH: 100%; COLOR: #1f336b; PADDING-TOP: 8px; BORDER-BOTTOM: #b9c9ef 1px solid; HEIGHT: 100%'>" + this.content + "<BR><BR>"
        str += "<DIV style='WORD-BREAK: break-all' align=left><A href='javascript:void(0)' hidefocus=true id='btCommand'><FONT color=#ff0000>" + this.see+"<embed id='soundControl' src='Windows.wav' mastersound hidden='true' loop='false' autostart='true'></embed>" + "</FONT></A></DIV>"
        str += "</DIV>"
        str += "</TD>"
        str += "</TR>"
        str += "</TABLE>"
        str += "</DIV>"
//将设置好的DIV添加到顶层窗口的BODY中
    oPopup.document.body.innerHTML = str;
    this.offset  = 0;
    var obj  = this;
//添加顶层窗口鼠标悬停事件
    oPopup.document.body.onmouseover = function(){obj.pause=true;}
    oPopup.document.body.onmouseout = function(){obj.pause=false;}
    var fun = function(){
        var x  = obj.left;
        var y  = 0;
        var width    = obj.width;
        var height    = obj.height;
            if(obj.offset>obj.height){
                height = obj.height;
            } else {
                height = obj.offset;
            }
        y  = obj.bottom - obj.offset;
        if(y<=obj.top){
            obj.timeout--;
            if(obj.timeout==0){
                window.clearInterval(obj.timer);
                if(obj.autoHide){
                    obj.hide();
                }
            }
        } //CodeGo.net/
else {
            obj.offset = obj.offset + obj.step;
        }
        obj.Pop.show(x,y,width,height);

    }
    this.timer = window.setInterval(fun,this.speed)
    var btCommand = oPopup.document.getElementById("btCommand");
    btCommand.onclick = function(){
        obj.oncommand();
    }
}
//实现窗口的退缩效果
PopBubble.prototype.hide = function(){
//设置弹出窗口的高度
        var offset  = this.height>this.bottom-this.top?this.height:this.bottom-this.top;
        var obj  = this;
        if(this.timer>0){
            window.clearInterval(obj.timer);
        }

        var fun = function(){
//判断是否退缩弹出来的窗口
            if(obj.pause==false||obj.close){
//获取窗口的左边到屏幕左边的距离
                var x  = obj.left;
                var y  = 0;
//获取弹出窗口的宽度
                var width = obj.width;
//设置弹出窗口的高度
                var height = 0;

                if(obj.offset>0){
//获取窗口当前的高度
                    height = obj.offset;
                }
//设置屏幕的高度
                y  = obj.bottom - height;
                if(y>=obj.bottom){
                    window.clearInterval(obj.timer);
                    obj.Pop.hide();
                } else {
//设置退缩的步幅
                    obj.offset = obj.offset - obj.step;
                }
//调用窗口对象弹出窗口
                obj.Pop.show(x,y,width,height);
            }
        }

        this.timer = window.setInterval(fun,this.speed)
}

html5的可以考虑websocket，否则就ajax轮询，如果Frame版本高的话，可以考虑用微软的SignalR

调试易

asp.net 右下角信息提醒

解决方案 »