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开发学院网页设计JavaScript 绝对精彩:在网页里做类似window右键的弹出式菜单... 阅读

绝对精彩:在网页里做类似window右键的弹出式菜单

 2007-11-27 18:06:21 来源:WEB开发网   
核心提示:做一个类似于window右键的弹出式菜单。直接下载js文件和观看效果: http://202.114.98.14/~cityhunter/jscripts/jscripts.htm代码如下: var obj;function loadobj(o){ obj=o;}function expand(

做一个类似于window右键的弹出式菜单。

直接下载js文件和观看效果: http://202.114.98.14/~cityhunter/jscripts/jscripts.htm
代码如下: 

var obj;

function loadobj(o)
{
  obj=o;
}

function expand()
{
  var h=parseInt(obj.height);
  var w=parseInt(obj.width);
  var op=10;

  if( h<=170 )
  {
   if( w<60 )
    obj.style.width=w+6;

   obj.style.height=h+17;

   x=setTimeout(expand(), 25);
  }
  else
  {
   obj.style.width=60;
   obj.style.height=174;
   clearTimeout(x);
  }
}

var drag=0;
var move=0;
function Dblclick()
{
  if (event.button==0)
   {
    obj.style.visibility=visible;
    obj.style.left=window.event.x;
    obj.style.top =window.event.y;
    obj.style.width=0;
    obj.style.height=0;

  obj.filters.item(0).apply();
    obj.filters.item(0).transition = 25;
    obj.filters(0).play(0.5);

  expand();
   }
}

function MouseMove()
{
  if(move==1)
   {
    obj.style.cursor=move;
    obj.style.left=window.event.x-l;
    obj.style.top=window.event.y-t;
   }
}

function MouseDown()
{
  if(drag) 
   {
    l = window.event.x - parseInt(obj.style.left);
    t = window.event.y - parseInt(obj.style.top);
    obj.style.zIndex+=1;
    move=1;
   }
  else
   {
    document.body.style.cursor=default;
    obj.style.visibility=hidden;
   }
}

function MouseStop()
{
  window.event.returnValue=false;
}

function MouseUp()
{
  move=0;
  obj.style.cursor=hand;
}

document.ondblclick=Dblclick;
document.onmousedown=MouseDown;
document.onmousemove=MouseMove;
document.ondragstart=MouseStop;
document.onmouseup=MouseUp;

Tags:绝对 精彩 网页

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