三级下拉菜单-JS特效-爱易网页

三级下拉菜单

日期：2014-05-18　浏览次数：20182 次

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以下是程序代码

<SCRIPT LANGUAGE="JavaScript">
<!--
function CreateSelect(_FormName,_SName,_SValue,_Ds,_AllOptionStr,ShowType)
{
	//三级关链菜单通用版
	if (_FormName=="")
		_FormName = "all"
	var _DsArr = _Ds.split("|")
	var _Ds1,_Ds2,_Ds3
	var _Ds1 = _DsArr[0]
	var _Ds2 = (_DsArr.length>1)?_DsArr[1]:_DsArr[0]
	var _Ds3 = (_DsArr.length>2)?_DsArr[2]:_DsArr[0]

var _SNameArr = _SName.split("|")
	var _SName1,_SName2,_SName3
	var _SName1 = _SNameArr[0]
	var _SName2 = (_SNameArr.length>1)?_SNameArr[1]:_SNameArr[0]
	var _SName3 = (_SNameArr.length>2)?_SNameArr[2]:_SNameArr[0]

var _SValueArr = _SValue.split("|")
	var _SValue1,_SValue2,_SValue3
	var _SValue1 = _SValueArr[0]
	var _SValue2 = (_SValueArr.length>1)?_SValueArr[1]:_SValueArr[0]
	var _SValue3 = (_SValueArr.length>2)?_SValueArr[2]:_SValueArr[0]

if (ShowType==3){
		_AllOptionStr = _AllOptionStr.replace(/\(\(/ig,"\(\("+_Ds3+"\^")
		_AllOptionStr = _AllOptionStr.replace(/\{\{/ig,"\{\{"+_Ds2+"\(\("+_Ds3+"\*\*")
	}
	else if(ShowType==2){
		_AllOptionStr = _AllOptionStr.replace(/\{\{/ig,"\{\{"+_Ds2+"\(\("+_Ds3+"\*\*")
	}
	else if(ShowType==1){
		_AllOptionStr = _AllOptionStr.replace(/\(\(/ig,"\(\("+_Ds3+"\^")
	}
	var AllStr = _Ds1 + "{{"+ _Ds2 + "(("+ _Ds3 +"||"+_AllOptionStr
	//alert(AllStr)
	var _AR0 = AllStr.split("||");
	document.writeln("<select name=\"" + _SName1 + "\" size=\"1\" onChange=\""+_SName1+"redirect(this.options.selectedIndex)\">");
	for (var i1 = 0;i1 < _AR0.length;i1++)
	{
		var Area1Str = _AR0[i1];
		var _AR10 = Area1Str.split("{{");
		var _AR11 = _AR10[0].split("@");
		var Tstr1 = _AR11[0];
		var Vstr1 = (_AR11.length==2)?_AR11[1]:_AR11[0]
		document.writeln("<option value=\""+Vstr1+"\">"+Tstr1+"<\/option>");
	}
	document.writeln("<\/select>");

document.writeln("<select name=\"" + _SName2 + "\" size=\"1\" onChange=\""+_SName1+"redirect1(this.options.selectedIndex)\">");
	var _AR111 = _Ds2.split("@");
	var Tstr11 = _AR111[0];
	var Vstr11 = (_AR111.length==2)?_AR111[1]:_AR111[0];
	document.writeln("<option value=\""+Vstr11+"\">"+Tstr11+"<\/option>");
	document.writeln("<\/select>");

document.writeln("<select name=\"" + _SName3 + "\" size=\"1\">");
	var _AR222 = _Ds3.split("@");
	var Tstr22 = _AR222[0];
	var Vstr22 = (_AR222.length==2)?_AR222[1]:_AR222[0];
	document.writeln("<option value=\""+Vstr22+"\">"+Tstr22+"<\/option>");
	document.writeln("<\/select>");

document.writeln("<SCRIPT LANGUAGE=\"JavaScript\" defer>");
	document.writeln("<!--");
	document.writeln("var "+_SName1+"NewAllStr = \""+ AllStr +"\"");
	document.writeln("var "+_SName1+"_AR0 = "+_SName1+"NewAllStr.split(\"||\");");
	document.writeln("var "+_SName1+"groups=document."+ _FormName +"." + _SName1 + ".options.length;");
	document.writeln("var "+_SName1+"group=new Array("+_SName1+"groups)");
	document.writeln("for (i=0; i<"+_SName1+"groups; i++){");
	document.writeln("	"+_SName1+"group[i]=new Array();");
	document.writeln("}");
	document.writeln("for (var i1 = 0;i1 < "+_SName1+"_AR0.length;i1++){");
	document.writeln("	var Area1Str = "+_SName1+"_AR0[i1];");
	document.writeln("	var _AR10 = Area1Str.split(\"{{\");");
	document.writeln("	var _AR12 = _AR10[1].split(\"**\");");
	document.writeln("	for (var i2 = 0;i2 < _AR12.length;i2++){");
	document.writeln("		var Area2Str = _AR12[i2];");
	document.writeln("		var _AR20 = Area2Str.split(\"((\");");
	document.writeln("		var _AR211 = _AR20[0].split(\"@\");");
	document.writeln("		var Tstr2 = _AR211[0];");
	document.writeln("		var Vstr2 = (_AR211.length==2)?_AR211[1]:_AR211[0];");
	document.writeln("		"+_SName1+"group[i1][i2]=new Option(Tstr2,Vstr2);");
	document.writeln("	}");
	d</div></div>

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