jsp+javascript打造级连菜单

王朝java/jsp·作者佚名  2006-01-08
窄屏简体版  字體: |||超大  

<%@ 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: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>

<td bgcolor="#336699" class="buttons" align=center nowrap><font color=#ffffff>添加/移除</font></td>

<td bgcolor="#336699" class="buttons" align=center><font color=#ffffff>最终人</font></td>

</tr>

<tr>

<td>

<select multiple id=prov name="prov" onchange="ChangeLocation(combo_box.prov.options[combo_box.prov.selectedIndex].text);" style="width:150;height:200" class="bgc">

<option value="0">请选择部门 ---></option>

<%

String sqld="SELECT * FROM tdept";

stmt=conn.createStatement();

rs=stmt.executeQuery(sqld);

while(rs.next())

{

%>

<option name="<%=rs.getString("fno")%>"><%=rs.getString("fname")%></option>

<%

}

%>

</select>

</td>

<td>

<select multiple id=city style="width:150;height:200" class="bgc">

</select>

</td>

<td nowrap align="center" class="bgc">

<input type="button" onClick="move(this.form.list2,this.form.city)" value="<<" class="buttons">

<input type="button" onClick="move(this.form.city,this.form.list2)" value=">>" class="buttons">

</td>

<td>

<select multiple size="10" name="list2" style="width:150;height:200" class="bgc">

</select>

</td>

</tr>

<tr class="bgc">

<td colspan="4" align="center"><input type="button" name="button1" class="buttons" value="选好了!" onclick="rv();"></td>

</tr>

</table>

</form>

<script language="JavaScript">

//人名移动

function move(fbox, tbox) {

var arrFbox = new Array();

var arrTbox = new Array();

var arrLookup = new Array();

var i;

for (i = 0; i < tbox.options.length; i++) {

arrLookup[tbox.options[i].text] = tbox.options[i].value;

arrTbox[i] = tbox.options[i].text;

}

var fLength = 0;

var tLength = arrTbox.length;

for(i = 0; i < fbox.options.length; i++) {

arrLookup[fbox.options[i].text] = fbox.options[i].value;

if (fbox.options[i].selected && fbox.options[i].value != "") {

arrTbox[tLength] = fbox.options[i].text;

tLength++;

}

else {

arrFbox[fLength] = fbox.options[i].text;

fLength++;

}

}

arrFbox.sort();

arrTbox.sort();

fbox.length = 0;

tbox.length = 0;

var c;

for(c = 0; c < arrFbox.length; c++) {

var no = new Option();

no.value = arrLookup[arrFbox[c]];

no.text = arrFbox[c];

fbox[c] = no;

}

for(c = 0; c < arrTbox.length; c++) {

var no = new Option();

no.value = arrLookup[arrTbox[c]];

no.text = arrTbox[c];

tbox[c] = no;

}

}

</script>

</body>

 
 
 
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