message.js

一个不错的bbs论坛系统．对初学者很有帮助

function CLASS_MSN_MESSAGE(id,width,height,caption,title,message,target,action){  
    this.id = id;  
    this.title = title;  
    this.caption= caption;  
    this.message= message;  
    this.target = target;  
    this.action = action;
    this.width = width?width:200;  
    this.height = height?height:120;
    this.timeout= 150;  
    this.speed = 20; 
    this.step = 1; 
    this.right = screen.width -1;  
    this.bottom = screen.height; 
    this.left = this.right - this.width; 
    this.top = this.bottom - this.height; 
    this.timer = 0; 
    this.pause = false;
    this.close = false;
    this.autoHide = true;
} 
CLASS_MSN_MESSAGE.prototype.hide = function(){  
    if(this.onunload()){  
        var offset = this.height>this.bottom-this.top?this.height:this.bottom-this.top; 
        var me = this;  
        if(this.timer>0){   
            window.clearInterval(me.timer);  
        }  
        var fun = function(){  
            if(me.pause==false||me.close){
                var x = me.left; 
                var y = 0; 
                var width = me.width; 
                var height = 0; 
                if(me.offset>0){ 
                    height = me.offset; 
                }  
                y  = me.bottom - height; 
                if(y>=me.bottom){ 
                    window.clearInterval(me.timer);  
                    me.Pop.hide();  
                } else { 
                    me.offset = me.offset - me.step;  
                } 
                me.Pop.show(x,y,width,height);    
            }             
        }  
        this.timer = window.setInterval(fun,this.speed)      
    }  
}  

CLASS_MSN_MESSAGE.prototype.onunload = function() {  
    return true;  
}   
CLASS_MSN_MESSAGE.prototype.oncommand = function(){  
    //this.close = true;
    this.hide();  
    window.open("Message.htm");
} 

CLASS_MSN_MESSAGE.prototype.show = function(){  
    var oPopup = window.createPopup(); //IE5.5+    
    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: #c9d3f3'>"  
        str += "<TABLE style='BORDER-TOP: #ffffff 1px solid; BORDER-LEFT: #ffffff 1px solid' cellSpacing=0 cellPadding=0 width='100%' bgColor=#cfdef4 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 += "<TD style='PADDING-RIGHT: 2px; PADDING-TOP: 2px' vAlign=center align=right width=19>" 
        str += "<SPAN title=关闭 style='FONT-WEIGHT: bold; FONT-SIZE: 12px; CURSOR: hand; COLOR: red; MARGIN-RIGHT: 4px' id='btSysClose' >×</SPAN></TD>"  
        str += "</TR>"  
        str += "<TR>"  
        str += "<TD style='PADDING-RIGHT: 1px;PADDING-BOTTOM: 1px' colSpan=3 height=" + (h-28) + ">" 
        str += "<DIV style='BORDER-RIGHT: #b9c9ef 1px solid; PADDING-RIGHT: 8px; BORDER-TOP: #728eb8 1px solid; PADDING-LEFT: 8px; FONT-SIZE: 12px; PADDING-BOTTOM: 8px; BORDER-LEFT: #728eb8 1px solid; WIDTH: 100%; COLOR: #1f336b; PADDING-TOP: 8px; BORDER-BOTTOM: #b9c9ef 1px solid; HEIGHT: 100%'>" + this.title + "<BR><BR>"  
        str += "<DIV style='WORD-BREAK: break-all' align=left><A href='javascript:void(0)' hidefocus=false id='btCommand'><FONT color=#ff0000>" + this.message + "</FONT></A>&nbsp;&nbsp;<A href='Message.htm' target='_blank' hidefocus=false id='ommand'><FONT color=#ff0000>在新窗口打开</FONT></A></DIV>"  
        str += "</DIV>"  
        str += "</TD>"
        str += "</TR>"
        str += "</TABLE>"  
        str += "</DIV>"  
    oPopup.document.body.innerHTML = str; 
    this.offset  = 0; 
    var me  = this;  
    oPopup.document.body.onmouseover = function(){me.pause=true;}
    oPopup.document.body.onmouseout = function(){me.pause=false;}
    var fun = function(){  
        var x  = me.left; 
        var y  = 0; 
        var width  = me.width; 
        var height  = me.height; 
            if(me.offset>me.height){ 
                height = me.height; 
            } else { 
                height = me.offset; 
            } 
        y  = me.bottom - me.offset; 
        if(y<=me.top){ 
            me.timeout--; 
            if(me.timeout==0){ 
                window.clearInterval(me.timer);  
                if(me.autoHide){
                    me.hide(); 
                }
            } 
        } else { 
            me.offset = me.offset + me.step; 
        } 
        me.Pop.show(x,y,width,height);    
    }   
    this.timer = window.setInterval(fun,this.speed)      
    var btClose = oPopup.document.getElementById("btSysClose");  
    btClose.onclick = function(){  
        me.close = true;
        me.hide();  
    }  
    var btCommand = oPopup.document.getElementById("btCommand");  
    btCommand.onclick = function(){  
        me.oncommand();  
    }    
  var ommand = oPopup.document.getElementById("ommand");  
      ommand.onclick = function(){  
       //this.close = true;
    me.hide();  
 window.open(ommand.href);
    }   
} 
CLASS_MSN_MESSAGE.prototype.speed = function(s){ 
    var t = 20; 
    try { 
        t = praseInt(s); 
    } catch(e){} 
    this.speed = t; 
} 
CLASS_MSN_MESSAGE.prototype.step = function(s){ 
    var t = 1; 
    try { 
        t = praseInt(s); 
    } catch(e){} 
    this.step = t; 
} 
CLASS_MSN_MESSAGE.prototype.rect = function(left,right,top,bottom){ 
    try { 
        this.left = left!=null?left:this.right-this.width; 
        this.right = right!=null?right:this.left +this.width; 
        this.bottom = bottom!=null?(bottom>screen.height?screen.height:bottom):screen.height; 
        this.top = top!=null?top:this.bottom - this.height; 
    } catch(e){} 
} 
//var MSG1 = new CLASS_MSN_MESSAGE("aa",200,120,"Message：","you hava one message","Read message!");  
//    MSG1.rect(null,null,null,screen.height-50); 
//    MSG1.speed = 20; 
//    MSG1.step = 5; 
//    //alert(MSG1.top); 
//    MSG1.show();