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JS réalise l'imitation du code d'effet du menu contextuel de Windows sans utiliser les compétences pictures_javascript

WBOY
Libérer: 2016-05-16 15:35:47
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1451 Les gens l'ont consulté

L'exemple de cet article décrit le code JS pour imiter l'effet du menu contextuel de Windows sans utiliser d'images. Partagez-le avec tout le monde pour votre référence, les détails sont les suivants :

Voici une démonstration de JS imitant l'effet du menu contextuel de Windows sans utiliser d'images. Ce code utilise de manière flexible les caractères Wending et coopère avec CSS et JS pour créer quelque chose de très similaire au menu contextuel du système.

La capture d'écran de l'effet en cours d'exécution est la suivante :

L'adresse de la démo en ligne est la suivante :

http://demo.jb51.net/js/2015/js-windows-right-button-menu-codes/

Le code spécifique est le suivant :

<HTML>
<HEAD>
<TITLE>极酷的多级右键菜单</TITLE>
<META content="text/html; charset=gb2312" http-equiv=Content-Type>
<STYLE type=text/css>BODY {
  FONT-SIZE: 12px;
}
.info{FONT-SIZE: 14px;color:#FFFFFF;font-family:@Tahoma,@宋体;width:20px}
TABLE {
  CURSOR: default; FONT-SIZE: 12px; MARGIN: 0px
}
TR {
  HEIGHT: 20px
}
TR.over {
  BACKGROUND-COLOR: #000080; COLOR: #ffffff; CURSOR: default; FONT-SIZE: 12px
}
TR.out {
  BACKGROUND-COLOR: #efefef; COLOR: #000000; FONT-SIZE: 12px
}
DIV.rm_div {
  BACKGROUND-COLOR: #efefef; BORDER-BOTTOM: #ffffff 1px outset; BORDER-LEFT: #ffffff 1px outset; BORDER-RIGHT: #ffffff 1px outset; BORDER-TOP: #ffffff 1px outset; DISPLAY: none; FILTER: Alpha(Opacity='95'); HEIGHT: 0px; PADDING-BOTTOM: 1px; PADDING-LEFT: 1px; PADDING-RIGHT: 1px; PADDING-TOP: 1px; POSITION: absolute; WIDTH: 0px
}
HR.sperator {
  BORDER-BOTTOM: #ffffff 1px inset; BORDER-LEFT: #ffffff 1px inset; BORDER-RIGHT: #ffffff 1px inset; BORDER-TOP: #ffffff 1px inset; WIDTH: 95%
}
.w2kfont {
  FONT-FAMILY: Tahoma; FONT-SIZE: 8pt
}
</STYLE>
<SCRIPT language=JScript>
<!--
 function RightMenu()
 {
 this.AddExtendMenu=AddExtendMenu;
 this.AddItem=AddItem;
 this.GetMenu=GetMenu;
 this.HideAll=HideAll;
 this.I_OnMouseOver=I_OnMouseOver;
 this.I_OnMouseOut=I_OnMouseOut;
 this.I_OnMouseUp=I_OnMouseUp;
 this.P_OnMouseOver=P_OnMouseOver;
 this.P_OnMouseOut=P_OnMouseOut;
 A_rbpm = new Array();
 HTMLstr = "";
 HTMLstr += "<!-- RightButton PopMenu -->\n";
 HTMLstr += "\n";
 HTMLstr += "<!-- PopMenu Starts -->\n";
 HTMLstr += "<div id='E_rbpm' class='rm_div'>\n";
 HTMLstr += "<table width='100%' border='0' cellspacing='0'>\n";
 HTMLstr += "<tr><td height='264' width='20' valign='bottom' bgcolor='#000000' onclick=window.event.cancelBubble=true; class=info>娃海作制";
 HTMLstr += "</td><td height='264' width='120' style='padding: 1' valign='bottom'>\n";
 HTMLstr += "<table width='100%' border='0' cellspacing='0'>\n";
 HTMLstr += "<!-- Insert A Extend Menu or Item On Here For E_rbpm -->\n";
 HTMLstr += "</table></td></tr></table>\n";
 HTMLstr += "</div>\n";
 HTMLstr += "<!-- Insert A Extend_Menu Area on Here For E_rbpm -->";
 HTMLstr += "\n";
 HTMLstr += "<!-- PopMenu Ends -->\n";
 }
 function AddExtendMenu(id,img,wh,name,parent)
 {
 var TempStr = "";
 eval("A_"+parent+".length++");
 eval("A_"+parent+"[A_"+parent+".length-1] = id");
  TempStr += "<div id='E_"+id+"' class='rm_div'>\n";
 TempStr += "<table width='100%' border='0' cellspacing='0'>\n";
 TempStr += "<!-- Insert A Extend Menu or Item On Here For E_"+id+" -->";
 TempStr += "</table>\n";
 TempStr += "</div>\n";
 TempStr += "<!-- Insert A Extend_Menu Area on Here For E_"+id+" -->";
 TempStr += "<!-- Insert A Extend_Menu Area on Here For E_"+parent+" -->";
 HTMLstr = HTMLstr.replace("<!-- Insert A Extend_Menu Area on Here For E_"+parent+" -->",TempStr);
 eval("A_"+id+" = new Array()");
 TempStr = "";
 TempStr += "<!-- Extend Item : P_"+id+" -->\n";
 TempStr += "<tr id='P_"+id+"' class='out'";
 TempStr += " onmouseover='P_OnMouseOver(\""+id+"\",\""+parent+"\")'";
 TempStr += " onmouseout='P_OnMouseOut(\""+id+"\",\""+parent+"\")'";
 TempStr += " onmouseup=window.event.cancelBubble=true;";
 TempStr += " onclick=window.event.cancelBubble=true;";
 TempStr += "><td nowrap>";
 TempStr += "<font face='Wingdings' style='font-size:18px'>0</font> "+name+" </td><td style='font-family: webdings; text-align: ;'>4";
 TempStr += "</td></tr>\n";
 TempStr += "<!-- Insert A Extend Menu or Item On Here For E_"+parent+" -->";
 HTMLstr = HTMLstr.replace("<!-- Insert A Extend Menu or Item On Here For E_"+parent+" -->",TempStr);
 }
 function AddItem(id,img,wh,name,parent,location)
 {
 var TempStr = "";
 var ItemStr = "<!-- ITEM : I_"+id+" -->";
 if(id == "sperator")
 {
  TempStr += ItemStr+"\n";
  TempStr += "<tr class='out' onclick='window.event.cancelBubble=true;' onmouseup='window.event.cancelBubble=true;'><td colspan='2' height='1'><hr class='sperator'></td></tr>";
  TempStr += "<!-- Insert A Extend Menu or Item On Here For E_"+parent+" -->";
  HTMLstr = HTMLstr.replace("<!-- Insert A Extend Menu or Item On Here For E_"+parent+" -->",TempStr);
  return;
 }
 if(HTMLstr.indexOf(ItemStr) != -1)
 {
  alert("I_"+id+"already exist!");
  return;
 }
 TempStr += ItemStr+"\n";
 TempStr += "<tr id='I_"+id+"' class='out'";
 TempStr += " onmouseover='I_OnMouseOver(\""+id+"\",\""+parent+"\")'";
 TempStr += " onmouseout='I_OnMouseOut(\""+id+"\")'";
 TempStr += " onclick='window.event.cancelBubble=true;'";
 if(location == null)
  TempStr += " onmouseup='I_OnMouseUp(\""+id+"\",\""+parent+"\",null)'";
 else
  TempStr += " onmouseup='I_OnMouseUp(\""+id+"\",\""+parent+"\",\""+location+"\")'";
 TempStr += "><td nowrap>";
 TempStr +="<font face='Wingdings' style='font-size:18px'>"+wh+"</font> "+ name+" ";//
 TempStr += "</td><td></td></tr>\n";
 TempStr += "<!-- Insert A Extend Menu or Item On Here For E_"+parent+" -->";
 HTMLstr = HTMLstr.replace("<!-- Insert A Extend Menu or Item On Here For E_"+parent+" -->",TempStr);
 }
 function GetMenu()
 {
 return HTMLstr;
 }
 function I_OnMouseOver(id,parent)
 {
 var Item;
 if(parent != "rbpm")
 {
  var ParentItem;
  ParentItem = eval("P_"+parent);
  ParentItem.className="over";
 }
 Item = eval("I_"+id);
 Item.className="over";
 HideAll(parent,1);
 }
 function I_OnMouseOut(id)
 {
 var Item;
 Item = eval("I_"+id);
 Item.className="out";
 }
 function I_OnMouseUp(id,parent,location)
 {
 var ParentMenu;
 window.event.cancelBubble=true;
 OnClick();
 ParentMenu = eval("E_"+parent);
 ParentMenu.display="none";
 if(location == null)
  eval("Do_"+id+"()");
 else
  window.open(location);
 }
 function P_OnMouseOver(id,parent)
 {
 var Item;
 var Extend;
 var Parent;
 if(parent != "rbpm")
 {
  var ParentItem;
  ParentItem = eval("P_"+parent);
  ParentItem.className="over";
 }
 HideAll(parent,1);
 Item = eval("P_"+id);
 Extend = eval("E_"+id);
 Parent = eval("E_"+parent);
 Item.className="over";
 Extend.style.display="block";
 Extend.style.posLeft=document.body.scrollLeft+Parent.offsetLeft+Parent.offsetWidth-4;
 if(Extend.style.posLeft+Extend.offsetWidth > document.body.scrollLeft+document.body.clientWidth)
  Extend.style.posLeft=Extend.style.posLeft-Parent.offsetWidth-Extend.offsetWidth+8;
 if(Extend.style.posLeft < 0) Extend.style.posLeft=document.body.scrollLeft+Parent.offsetLeft+Parent.offsetWidth;
 Extend.style.posTop=Parent.offsetTop+Item.offsetTop+1;
 if(Extend.style.posTop+Extend.offsetHeight > document.body.scrollTop+document.body.clientHeight)
  Extend.style.posTop=document.body.scrollTop+document.body.clientHeight-Extend.offsetHeight;
 if(Extend.style.posTop < 0) Extend.style.posTop=0;
 }
 function P_OnMouseOut(id,parent)
 {
 }
 function HideAll(id,flag)
 {
 var Area;
 var Temp;
 var i;
 if(!flag)
 {
  Temp = eval("E_"+id);
  Temp.style.display="none";
 }
 Area = eval("A_"+id);
 if(Area.length)
 {
  for(i=0; i < Area.length; i++)
  {
  HideAll(Area[i],0);
  Temp = eval("E_"+Area[i]);
  Temp.style.display="none";
  Temp = eval("P_"+Area[i]);
  Temp.className="out";
  }
 }
 }
 document.onmouseup=OnMouseUp;
 document.onclick=OnClick;
 function OnMouseUp()
 {
 if(window.event.button == 2)
 {
  var PopMenu;
  PopMenu = eval("E_rbpm");
  HideAll("rbpm",0);
  PopMenu.style.display="block";
  PopMenu.style.posLeft=document.body.scrollLeft+window.event.clientX;
  PopMenu.style.posTop=document.body.scrollTop+window.event.clientY;
  if(PopMenu.style.posLeft+PopMenu.offsetWidth > document.body.scrollLeft+document.body.clientWidth)
  PopMenu.style.posLeft=document.body.scrollLeft+document.body.clientWidth-PopMenu.offsetWidth;
  if(PopMenu.style.posLeft < 0) PopMenu.style.posLeft=0;
  if(PopMenu.style.posTop+PopMenu.offsetHeight > document.body.scrollTop+document.body.clientHeight)
  PopMenu.style.posTop=document.body.scrollTop+document.body.clientHeight-PopMenu.offsetHeight;
  if(PopMenu.style.posTop < 0) PopMenu.style.posTop=0;
 }
 }
 function OnClick()
 {
 HideAll("rbpm",0);
 }
 // Add Your Function on following
 function Do_viewcode(){window.location="view-source:"+window.location.href;}
 function Do_help(){window.showHelp(window.location);}
 function Do_exit() {window.close();}
 function Do_refresh() {window.location.reload();}
 function Do_back() {history.back();}
 function Do_forward() {history.forward();}
function Do_help(){alert("帮助")}
 -->
 </SCRIPT>
<META content="MSHTML 5.00.2920.0" name=GENERATOR></HEAD>
<BODY bgColor=#336699 oncontextmenu=window.event.returnValue=false>
<DIV id=snwcwt> 请点击右键</DIV>
<SCRIPT language=JScript>
 <!--
 var menu = new RightMenu();
menu.AddItem("update","start_update","4","<font class=w2kfont>Web Update</font>","rbpm","http://baidu.com/");
menu.AddItem("suan","suan","a","鱼米之乡","rbpm","http://baidu.com");
menu.AddItem("sperator","","","","rbpm",null);
menu.AddExtendMenu("program","start_pro","24","程序<font class=w2kfont>(<u>P</u>)</font>","rbpm",null);
menu.AddExtendMenu("p_acc","folder","+","附件","program",null);
menu.AddItem("p_acc1","html","+","<font class=w2kfont>Microsoft FrontPage 2000</font>","program","51w/");
menu.AddItem("p_acc2","html","+","<font class=w2kfont>Norton AntiVirus Corporate Edition</font>","program","http://baidu.com");
menu.AddExtendMenu("p_lgame","folder","16","小游戏","p_acc",null);
menu.AddItem("p_game1","folder","+","扫雷","p_lgame","http://baidu.com/");
menu.AddItem("p_game2","folder","+","超级玛力","p_lgame","http://baidu.com/");
menu.AddExtendMenu("doc","start_doc","24","文档<font class=w2kfont>(<u>D</u>)</font>","rbpm",null);
menu.AddItem("d_photo","folder","+","官方博客","doc",null);
menu.AddExtendMenu("fav","start_fav","24","收藏<font class=w2kfont>(<u>A</u>)</font>","rbpm",null);
menu.AddExtendMenu("f_bbs","folder","16","论坛","fav",null);
menu.AddItem("f_bbs2","html","+","百度搜索","f_bbs","http://baidu.com/");
menu.AddItem("f_bbs3","html","+","源码爱好者","f_bbs","http://www.jb51.net/");
menu.AddExtendMenu("f_webpage","folder","16","网页制作","fav",null);
menu.AddItem("f_webpage1","html","","<font disabled>(空)</font>","f_webpage","http://baidu.com");
menu.AddExtendMenu("f_study","folder","16","网上学习","fav",null);
menu.AddItem("f_s1","html","","<font disabled>(空)</font>","f_study","http://matrix.hongen.com/forum/");
menu.AddExtendMenu("f_link","folder","16","友情链接","fav",null);
menu.AddItem("f_link1","html","+","CodeFans.net","f_link","http://baidu.com");
menu.AddExtendMenu("setting","start_set","24","设置<font class=w2kfont>(<u>S</u>)</font>","rbpm",null);
menu.AddItem("s_panel","folder","+","控制面板(C)","setting","http://baidu.com");
menu.AddItem("sperator","","","","setting",null);
menu.AddItem("s_data","s_user","+","用户资料(D)","setting","http://baidu.com");
menu.AddItem("s_display1","s_taskbar","+","任务栏和开始菜单(T)","setting","http://baidu.com");
menu.AddExtendMenu("find","start_find","24","查找<font class=w2kfont>(<u>F</u>)","rbpm",null);
menu.AddItem("l_search","search","4","文件或文件夹上(<u>F</u>)...","find","http://baidu.com");
menu.AddItem("u_search","f_user","4","用户(<u>P</u>)...","find","http://baidu.com");
menu.AddItem("help","start_help","V"," 帮助<font class=w2kfont>(<u>H</u>)</font>","rbpm",null);
menu.AddItem("sperator","","","","rbpm",null);
menu.AddItem("logoff","start_logoff","v"," 注销<font class=w2kfont>(<u>L</u>)</font>","rbpm",null);
menu.AddItem("shut","start_shut","x","退出<font class=w2kfont>(<u>U</u>)</font>","rbpm",null);
document.writeln(menu.GetMenu());
-->
</SCRIPT>
</TD></TR>
</TABLE>
</BODY>
</HTML>
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J'espère que cet article sera utile à tout le monde dans la programmation JavaScript.

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