无级别限制菜单（数据库-XML-JavaScript）_无级别版权限制-优快云博客

博客围绕数据表SM_Menu，运用JavaScript代码构建菜单。定义了多个变量和函数，如Win_load、buildMenus、openclose等，通过操作XML节点，根据菜单的父节点和URL情况生成不同样式的菜单，实现菜单的展开与关闭功能。

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数据表 SM_Menu

Name Parent MID Url (MID关键字，自增长)

<html>
<head>
var objMenuXml;
var GlobalMID="";
var GlobalMName="";
var GlobalPMID="";
var GlobalPMName="";
function Win_load()
{
  var NodeList = objMenuXml.selectNodes("//SM_Menu[Parent=0]"); //zhangxn
  menus.innerHTML = buildMenus(NodeList,0);
}
function buildMenus(xmlClds,nPace)
{
  var sOutHtml = "<table border=0 >";
  for(var i=0;i<xmlClds.length;i++)
  {

   var nMenuID  = xmlClds[i].selectSingleNode("MID").text;
   var sUsers  = xmlClds[i].selectSingleNode("Name").text;
   var sDisabled ="";

   if(Trim(xmlClds[i].selectSingleNode("Url").text) == "")
   {
    sOutHtml += "<tr><td><div style='position:relative;left:" + nPace*15 + "px;'>";
    sOutHtml += "<img src='../images/bnclose.gif' id='mimg" + nMenuID + "' onclick='javascript:openclose(mimg" + nMenuID + ",mdiv" + nMenuID + ","+nMenuID+","+eval(nPace+1)+" );' style='position:relative;top:-1px;'>";
    sOutHtml += "<a class='ctltxt' href='javascript:openclose(mimg" + nMenuID + ",mdiv" + nMenuID +" ,"+nMenuID+","+eval(nPace+1)+" );'>" + xmlClds[i].selectSingleNode("Name").text + "</a>";
    sOutHtml += "</div><input type='hidden' width='0' id='hidTxt"+nMenuID+"' value='0'></td><tr>";
    sOutHtml += "<tr><td><div id=mdiv" + nMenuID + " style='display:none'>";
    sOutHtml += "</div></td></tr>";
   }
   else
   {
    sOutHtml += "<tr><td><div style='position:relative;left:" + (nPace*15+9) + "px;'>";
    sOutHtml += "<a href='javascript:checkRegedit(" + nMenuID + ")'>" + xmlClds[i].selectSingleNode("Name").text + "</a>";
    sOutHtml += "</div></td></tr>";
   }
  }
  sOutHtml += "</table>";
  return sOutHtml;
}
function openclose(img,div,id,space)
{
  GlobalMID   = id;
  GlobalMName = objMenuXml.selectSingleNode("//SM_Menu[MID="+GlobalMID+"]/Name").text;
  GlobalPMID = objMenuXml.selectSingleNode("//SM_Menu[MID="+GlobalMID+"]/Parent").text;
  if (GlobalPMID == "0")
   GlobalPMName = "一级菜单";
  else
   GlobalPMName = objMenuXml.selectSingleNode("//SM_Menu[MID="+GlobalPMID+"]/Name").text;

  if (img == 0 )
   return;
  var tmpTxt;
  eval("tmpTxt=hidTxt"+GlobalMID+".value");

  if(div.style.display == "none")
  {
   img.src = "../images/bnopen.gif";
   if(tmpTxt == '0')
   {
    div.innerHTML = buildMenus(objMenuXml.selectNodes("//SM_Menu[Parent="+GlobalMID+"]"),space);
    eval("hidTxt"+GlobalMID+".value=1");
   }
   div.style.display = "block";
  }
  else
  {
   img.src = "../images/bnclose.gif";
   div.style.display = "none";
  }
}
</head>
<body onload=win_onload()>
<div id=menus style="BORDER-RIGHT: #6369a5 1px solid; TABLE-LAYOUT: fixed; BORDER-TOP: #6369a5 1px solid; PADDING-LEFT: 7px; MARGIN: 8px 1px 10px; OVERFLOW: auto; BORDER-LEFT: #6369a5 1px solid; WIDTH: 99%; PADDING-TOP: 5px; BORDER-BOTTOM: #6369a5 1px solid; HEIGHT: 95%"
      align=left></div>
</body>
</html>