Java技术
2005: 03 04 05 06 07 08
09 10 11 12
2006: 01 02
Asp.net
2005: 07 08 09 10 11 12
2006: 01 02
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<html> <head> <title></title> <meta content="text/html; charset=gb2312" http-equiv="content-type"> <style type="text/css"><!-- FONT{font-size:12px} TD{font-size:12px} A{color:#333399} A:hover{color:#FF6600} --></style> <script language="JavaScript" type="text/JavaScript"><!-- function funOnload(){ document.all.list_file.src="jscript_city.asp?base=0&sele=0-&elem=Select01"; } //pBase级数，以0基， //pSele是<option 的value值 //pEle是下一级的表单名字 function chgSelect(pBase,pSele,pElem){ //当改变了一个列表之后。清除以后的列表的值。 for(i=parseInt(pElem.replace("Select",""));i<=5;i++){ var tmp="000"+i; var pElem1=eval("document.Form1.Select"+tmp.substr(tmp.length-2)); pElem1.length=1; pElem1.selectedIndex=0; } //JS用ASP得到数据库的数据来更新下级列表 document.all.list_file.src="jscript_city.asp?base="+pBase+"&sele="+pSele+"&elem="+pElem; } //--></script> <script id="list_file" language="JavaScript" type="text/JavaScript" src=""></script> </head> <body bgcolor="#FFFFFF" leftmargin="0" topmargin="2" text="#333333" onload="funOnload();"> <form name="Form1"> <select name="Select01" onchange="chgSelect(1,this.options[this.selectedIndex].value,´Select02´)"> <option value="">省...</option> </select> <select name="Select02" onchange="chgSelect(2,this.options[this.selectedIndex].value,´Select03´)"> <option value="">市...</option> </select> <select name="Select03" onchange="chgSelect(3,this.options[this.selectedIndex].value,´Select04´)"> <option value="">县...</option> </select> <select name="Select04" onchange="chgSelect(4,this.options[this.selectedIndex].value,´Select05´)"> <option value="">乡...</option> </select> <select name="Select05"> <option value="">村...</option> </select> </form> </body></html> |
| 程序代码： |
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<% ´ varBase 下拉菜单等级 ´ varSele 所选择下拉菜单项的数据库ID ´ varElem 下一级的表单名称 varBase=Request.QueryString("base") varSele=Left(Request.QueryString("sele"),InStr(Request.QueryString("sele"),"-")-1) varElem=Request.QueryString("elem") varDistName="" varAutoID="" Set conDB=Server.CreateObject("ADODB.CONNECTION") conDB.Open "Driver={Microsoft Access Driver (*.mdb)};DBQ="&Server.Mappath("db1.mdb") sqlCommand="select * from table1 where filed1="&varBase&" and filed2="&varSele Set rsRecord=conDB.Execute(sqlCommand) While Not rsRecord.eof varDistName=varDistName&chr(34)&rsRecord("filed3")&chr(34) varAutoID=varAutoID&chr(34)&rsRecord("id")&chr(34) rsRecord.movenext If Not rsRecord.Eof Then varDistName=varDistName&"," varAutoID=varAutoID&"," End If Wend Response.Write("var varDistName=new Array("&varDistName&")"&vbcrlf) Response.Write("var varAutoID=new Array("&varAutoID&")"&vbcrlf) Response.Write("var varElem=eval("&chr(34)&"document.Form1."&varElem&chr(34)&")"&vbcrlf) Response.Write("varElem.length=varDistName.length+1;"&vbcrlf) Response.Write("for(var i=0;i<varDistName.length;i++){"&vbcrlf) Response.Write(" varElem.options[i+1].text=varDistName;"&vbcrlf) Response.Write(" varElem.options[i+1].value=varAutoID+´-´+varDistName;"&vbcrlf) Response.Write("}"&vbcrlf) Response.Write("varElem.selectedIndex=0;"&vbcrlf) %> |