聊天室设计页面

 

JSP 项目中涉及到一个聊天室,到网上找了一下,以前别人做过了很多种(包括JavaC#PHP 等),但UI 层窗口大小都是固死了的,于是自己重新做了一个可以随窗体大小改变的的聊天室:

 

代码兼容:Firefox IE 6+

时间:-6-13 晚从画图到代码完成一个个半小时

 

先看伪设计图:

 参照附件 聊天室设计页面计算方式.JPG

 

下面UI 层代码:

 

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

< html xmlns ="http://www.w3.org/1999/xhtml" xml : lang ="en" lang ="en">

    < head >

    < meta http-equiv ="Content-Type" content ="text/html; charset=GBK" />

    < script type ="text/javascript" src ="http://jqueryjs.googlecode.com/files/jquery-1.3.2.min.js"></ script >

   

    < script type ="text/javascript">

 

// 窗口大小

var winWidth = 0;

var winHeight = 0;

 

$(function (){

   

    // 加载完成后

    $(window).bind('load' ,init);  

    // 当窗体大小改变后

    $(window).bind('resize' ,function (){

        init();

        scrollToButtom();

    });

   

    // 设置内容层样式

    $("#content" ).bind('mouseout' ,function (){

        this .style.borderColor= '#ccc'

    }).bind('mouseover' ,function (){

        this .style.borderColor= '#808080'

    })

   

    $("#rightsidebar>ul>li" ).bind('click' ,function (){

        $.each(this .parentNode.childNodes,function (i,j){

            $(j).css({"color" :"#000" });

        });

        $(this ).css({"color" :"#808080" });

       

        document.getElementById('who' ).innerHTML = this .childNodes[0].childNodes[0].innerHTML;

    }).bind('mouseout' ,function (){

        this .style.backgroundColor='#fff' ;

    }).bind('mouseover' ,function (){

        this .style.backgroundColor='#ddd' ;

    });

});

 

 

// 初始化  

function init(){

    winWidth = getWindowScroll()["width" ];

    winHeight = getWindowScroll()["height" ];

   

    // 计算出列表层的高度和高度计算方式参照:设计图

    var listViewHeight = winHeight - (8*2 + 1*2 + 3*2 + 102 + 27 + 3*2 + 2 + 16);

    var listViewLeft = winWidth - (8*2 + 1*2 + 3*2 + 282 + 3 + 2 + 3);

   

    // 做最小值处理

    listViewLeft = listViewLeft > 280 ? listViewLeft : 280;

    listViewHeight = listViewHeight > 300 ? listViewHeight : 300;

   

    // 为列表层设值

    $("#leftsidebar" ).css({"width" : listViewLeft});

    $("#rightsidebar" ).css({"width" : 280});

    $("#leftsidebar" ).css({"height" : listViewHeight});

    $("#rightsidebar" ).css({"height" : listViewHeight});

   

}

 

/**

  * 得到WindowScroll 的值

  */

function getWindowScroll(){

    var T, L, W, H, win = window, dom = document.documentElement, doc = document.body;

    T = dom && dom.scrollTop || doc && doc.scrollTop || 0;

    L = dom && dom.scrollLeft || doc && doc.scrollLeft || 0;

    if (win.innerWidth){

        W = win.innerWidth;

        H = win.innerHeight;

    }else {

        W = dom && dom.clientWidth || doc && doc.clientWidth;

        H = dom && dom.clientHeight || doc && doc.clientHeight;

    }

    return { top: T, left: L, width: W, height: H };

}

 

/******************             下面为:业务逻辑代码              *********************/

 

    // 验证

    function goValidate(){

        if (document.getElementById('who' ).innerHTML.length < 2){

            alert(' 请选择发送的用户!' );

            return false ;

        } else   if (document.getElementById("content" ).value.length < 3){

            alert(' 至少发送3 个字' );

            return false ;

        } else {

            setTimeout(send, 500);

        }

    }

   

    // 发送

    function send(){

        $('#leftsidebar' ).html($('#leftsidebar' ).html() +

                "<br /><span style='color:blue;'> 我对<span style='font-weight: bold;'>" + $("#who" ).text() +

                "</span> 说:</span><br /><span style='margin-left:20px;line-height:30px;'>" + $("#content" ).val() +

                "</span>" );

       

        $("#content" ).val("" );

        scrollToButtom();

    }

   

    // 设置滚动条的位置

    function scrollToButtom(){

        document.getElementById("leftsidebar" ).scrollTop = document.getElementById("leftsidebar" ).scrollHeight;

    }

 

    </ script >

   

  < style type ="text/css">

/* 全局样式*/

body {margin :0 ; padding :0 ; width :100% ; height :100% ; background :#eee ;}

div {margin :3px ; }

 

/* 容器- Div 样式*/

#wrap {margin :8px ; border :1px solid #000 ; background :#fff ;}

#header {clear : both ; margin-bottom :6px !important ; margin :0 ; border :0 ; }

#leftsidebar {float :left ; border :1px solid #000 ; overflow-y :scroll ;}

#rightsidebar {width :280px ; margin-left :auto ; border :1px solid #000 ; overflow-y :scroll ;}

#shop {height :25px ; border :1px solid #000 ;}

#footer {height :100px ; border :1px solid #000 ;}

 

/* 功能- Div 样式*/

#content {width :99.5% ; height :50px ; border :2px solid #ccc ;}

#rightsidebar { }

#rightsidebar ul {list-style :none ; }

#rightsidebar ul li {border-top :1px solid #e1e1e1 ; height :40px ; line-height : 40px ; margin-left :-40px !important ; margin-left :2px ; }

#rightsidebar ul li div {background-position : 5px 5px ;padding-left :55px ;}

</ style >

 

    </ head >

    < body >

    <!-- 最外层-->

    < div id ="wrap">

        <!-- 列表层[1] -->

        < div id ="header">

            <!-- 消息层[] -->

            < div id ="leftsidebar"> &nbsp; </ div >

           

            <!-- 在线层[] -->

            < div id ="rightsidebar">

               

                    < ul >

                        < li title ="">< div style ="background:url(images/0.jpg) no-repeat;">< a href ="javascript:void(0);"> 邂逅思维/yl</ a > [BOOS1]</ div ></ li >

                        < li title ="">< div style ="background:url(images/1.jpg) no-repeat;">< a href ="javascript:void(0);"> 陸貳璇鉉</ a > [...]</ div ></ li >

                        < li title ="">< div style ="background:url(images/2.jpg) no-repeat;">< a href ="javascript:void(0);"> 天哪</ a > [ 和天天一伙的]</ div ></ li >

                        < li title ="">< div style ="background:url(images/3.jpg) no-repeat;">< a href ="javascript:void(0);"> /v 西门吹雪</ a > [BOOS1]</ div ></ li >

                        < li title ="">< div style ="background:url(images/4.jpg) no-repeat;">< a href ="javascript:void(0);"> 辉仔/love</ a > [Java ,同行!]</ div ></ li >

                        < li title ="">< div style ="background:url(images/5.jpg) no-repeat;">< a href ="javascript:void(0);"> 魂牽夢境</ a > [ 一个女Java]</ div ></ li >

                        < li title ="">< div style ="background:url(images/6.jpg) no-repeat;">< a href ="javascript:void(0);"> 草帽崽儿</ a > [oneself]</ div ></ li >

                        < li title ="">< div style ="background:url(images/7.jpg) no-repeat;">< a href ="javascript:void(0);"> 晃晃悠悠</ a > [BOOS1]</ div ></ li >

                        < li title ="">< div style ="background:url(images/8.jpg) no-repeat;">< a href ="javascript:void(0);"> olinalv[ ]</ a > [ 恩,神秘!]</ div ></ li >

                        < li title ="">< div style ="background:url(images/9.jpg) no-repeat;">< a href ="javascript:void(0);"> 若尘</ a > [BOOS1]</ div ></ li >

                        < li title ="">< div style ="background:url(images/5.jpg) no-repeat;">< a href ="javascript:void(0);"> 斩梦人·天天</ a > [BOOS1]</ div ></ li >

                        < li title ="">< div style ="background:url(images/2.jpg) no-repeat;">< a href ="javascript:void(0);"> ^_^ </ a > [ 美工MM]</ div ></ li >

                        < li title ="">< div style ="background:url(images/7.jpg) no-repeat;">< a href ="javascript:void(0);"> 龌龊</ a > [ 人如其名]</ div ></ li >

                        < li title ="">< div style ="background:url(images/3.jpg) no-repeat;">< a href ="javascript:void(0);"> 史前一猛男</ a > [ 猛就一个字]</ div ></ li >

                    </ ul >

 

            </ div >

        </ div >

       

        <!-- 功能层-->

        < div id ="shop"> 发送给:< span id ="who"> 所有人</ span ></ div >

       

        <!-- 发送层-->

        < div id ="footer">

           

        < div >< textarea id ="content"></ textarea ></ div >

        < div >

            < span style ="float:left;">< a href ="javascript:void(0);"> 来自学术部的周星驰上线了!</ a ></ span >

            < span style ="float:right;">

                < input type ="button" value =" 取消" />

                < input type ="button" value =" 发送" onClick ="goValidate()" />

            </ span >

        </ div >

           

        </ div >

    </ div >

   

    </ body >

</ html >

 

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