Dron右键菜单 v1.0_javascript技巧-js教程-PHP中文网

Dron右键菜单 v1.0_javascript技巧
PHP中文网
发布： 2016-05-16 19:24:40
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 
<HTML> 
<HEAD> 
<TITLE> New Document </TITLE> 
<META NAME="Generator" CONTENT="EditPlus"> 
<META NAME="Author" CONTENT=""> 
<META NAME="Keywords" CONTENT=""> 
<META NAME="Description" CONTENT=""> 
<link rel="stylesheet" href="rm.css" type="text/css" media="all"> 
</HEAD> 

<BODY onclick="bodyclick(event)" oncontextmenu="return showcontextmenu(event)"> 
<script type="text/javascript"> 
/*******************************************\ 
  Dron右键菜单 v1.0 
  This JavaScript was writen by Dron. 
  @2003-2008 Ucren.com All rights reserved. 
  (转载或应用请保留此版权信息) 
\*******************************************/ 
var ie = (navigator.appVersion.indexOf("MSIE")!=-1);//IE 
var ff = (navigator.userAgent.indexOf("Firefox")!=-1);//Firefox 
document.write("<div id=\"rightmenu\"></div>"); 
document.write("<div id=\"rightmenubg\"></div>"); 
Array.prototype.c = Array.prototype.concat; 
function buffer() 
{ 
    var s = []; 
    s = s.c(["<a href=\"\"> 项目一</a>"]); 
    s = s.c(["<a href=\"\"> 项目二</a>"]); 
    s = s.c(["<a href=\"\"> 项目三</a>"]); 
    s = s.c(["<a href=\"\"> 项目四</a>"]); 
    s = s.c(["<a href=\"\"> 项目五</a>"]); 
    s = s.c(["<a href=\"\"> 项目六</a>"]); 
    s = s.c(["<a href=\"\"> 项目七</a>"]); 
    s = s.c(["<a href=\"\"> 项目作</a>"]); 
    s = s.join(""); 
    document.getElementById("rightmenu").innerHTML = s; 
} 
var rightmenu = document.getElementById("rightmenu"); 
var rightmenubg = document.getElementById("rightmenubg"); 
var body = document.body; 
var ex=0,ey=0; 
function showcontextmenu(evt) 
{ 
    ex = evt.clientX;ey = evt.clientY; 
    rxy(); 
    rightmenu.style.display = "block"; 
    rightmenubg.style.display = "block"; 
    evt.cancelBubble = true; 
    return false; 
} 
function bodyclick(evt) 
{ 
    rightmenu.style.display = "none";//关闭右键菜单 
    rightmenubg.style.display = "none";//关闭右键菜单 
} 
function rxy() 
{ 
    var step=3; 
    if(ie){step=1} 
    if(ff){step=6} 
    if(ex+150>body.clientWidth) 
    { 
        rightmenu.style.left = ex - 150; 
        rightmenubg.style.left = ex - 150 + step; 
    } 
    else 
    { 
        rightmenu.style.left = ex; 
        rightmenubg.style.left = ex + step; 
    } 
    if(ey+200>body.clientHeight) 
    { 
        rightmenu.style.top = ey - 160; 
        rightmenubg.style.top = ey - 160 + step; 
    } 
    else 
    { 
        rightmenu.style.top = ey; 
        rightmenubg.style.top = ey + step; 
    } 
} 
function showcontextmenu(evt) 
{ 
    ex = evt.clientX;ey = evt.clientY; 
    rxy(); 
    rightmenu.style.display = "block"; 
    rightmenubg.style.display = "block"; 
    evt.cancelBubble = true; 
    return false; 
} 
window.onload = function() 
{ 
    buffer(); 
} 
</script> 
</BODY> 
</HTML>
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