Posted in Javascript onJune 14, 2013
<%@ page import="java.util.Date,yava.fileapp.*,java.sql.*;" contentType="text/html;charset=GB2312" pageEncoding="GB2312" %> <style> .f9{ font-size:9pt; } .bgc{ background-color:#AECAF9; color: #0033FF } .buttons{font-family:Arial; font-size:13px; font-weight:bold; background-color:#6796E4; color:white; border-top: solid 2px #AACAFB; border-bottom: solid 1px #4E7DC1; border-left: solid 1px #AECAF9; border-right: solid 1px #5679BD; padding:1px; margin:0px;} </style> <SCRIPT LANGUAGE="JavaScript"> <!-- function rv() { var val=""; for(i=0;i<combo_box.list2.length;i++){ val+=","+combo_box.list2[i].value; } if(val.charAt(0)==","){ val=val.substr(1,val.length); } opener.form1.frecname.value=val; self.close(); } //--> </SCRIPT> <body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0"> <jsp(SUN企业级应用的首选):useBean id="user" scope="session" class="yava.fileapp.UserBean" /> <% CDataSource ds=new CDataSource(); //数据联结Bean实例 java.sql.Connection conn=ds.getConnection(); java.sql.Statement stmt=null; java.sql.ResultSet rs=null; CDataCheck dc=new CDataCheck(); %> <% String sqlu="SELECT t1.fno, t1.fname, t2.fname AS fdept FROM tuser t1 LEFT OUTER JOIN TDept t2 ON t1.fdept = t2.fno order by t2.fname"; stmt=conn.createStatement(); rs=stmt.executeQuery(sqlu); %> <script language=Javascript> arr = new Array(); <% int temp=0; while(rs.next()) { %> arr[<%=temp%>]=new Array("<%=rs.getString("fname")%>","<%=rs.getString("fdept")%>"); <% temp = temp + 1; } %> temp=<%=temp%>; function ChangeLocation(id){ document.combo_box.city.length=0; //初始化第2级菜单的长度,下标从0开始 var i = 0; document.combo_box.city.options[0]=new Option(-------,); for(i=0;i<temp;i++){ if(arr[i][1]==id){//如果相等,证明在第2级里面有输入第1级组织的子集,arr[总数目][部门] document.combo_box.city.options[document.combo_box.city.length] = new Option(arr[i][0], arr[i][0]); } } } </script> <form name="combo_box"> <table border="0" cellspacing="0" cellpadding="0" height="210" width="59"> <tr height="24"> <td bgcolor="#336699" class="buttons" align=center><font color=#ffffff>部门选择</font></td> <td bgcolor="#336699" class="buttons" align=center><font color=#ffffff>人名选择</font></td>
jsp+javascript打造级连菜单的实例代码
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