应用实例 JSP+JavaScript打造级连菜单

时间:2010-01-21 08:22:56  来源:第二电脑网  作者:第二电脑网

  第二电脑网导读:-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...
  正文:

<%@ 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> "应用实例 JSP+JavaScript打造级连菜单"由第二电脑网原创提供,转载请注明:http://www.002pc.com/master/College/Programming/JSP/12116.html


关键字:

关于《应用实例 JSP+JavaScript打造级连菜单》文章的评论

站内搜索: 高级搜索

热门搜索: Windows style 系统 tr IP QQ CPU 安装 function 注册 if td