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作者 Re:[問題]即時多層下拉選單 [Re:ㄚ孝]
minichitina





發文: 13
積分: 0
於 2007-06-07 08:00 user profilesend a private message to userreply to postreply to postsearch all posts byselect and copy to clipboard. 
ie only, sorry for netscape users:-)add this post to my favorite list
int i = 0;
int j = 0;
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
  Statement stmt2 = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
  Statement stmt3 = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);

  String SQL = "Select * from unit";
  ResultSet rs = stmt.executeQuery(SQL);
  ResultSet rs2 = null;
  ResultSet rs3 = null;
  %>

<SCRIPT LANGUAGE="javascript">
<!--
function ChangeSelect(city, region ,rd)
{
val = city.options[city.options.selectedIndex].value;
val2 = region.options[region.options.selectedIndex].value;

<%
//rs while begin
while(rs.next())
{
String SQL2 = " select * from class where unit="+rs.getString("unit_id");
rs2 = stmt2.executeQuery(SQL2);

%>
if (val == '<%=rs.getString("unit_id")%>')
{

<%
// rs2 while begin
while(rs2.next()){
i++;
}
//rs2 while end
%>
region.length = <%=i%>;
<%
i=0;
rs2.beforeFirst() ;
//show rs2 while begin
while(rs2.next()){%>
region.options[<%=i%>].value = '<%=rs2.getString("class")%>';
region.options[<%=i%>].text = '<%=rs2.getString("class")%>';
<%
i++;
}
//show rs2 while end
i=0;%>
}
<%
while(rs2.next())
  {
     String SQL3 = " select * from road where u_id="+rs.getString("unit_id") + " and c_id="+rs2.getString("class_id");
     rs3 = stmt3.executeQuery(SQL3);
%>
if (val == '<%=rs.getString("unit_id")%>' && val2 == '<%=rs2.getString("class_id")%>')
{
<%
while(rs3.next()){
  j++;
  }

%>
rd.length = <%=j%>;
<%
j=0;
rs3.beforeFirst() ;
//show rs2 while begin
while(rs3.next()){%>
rd.options[<%=j%>].value = '<%=rs3.getString("road")%>';
rd.options[<%=j%>].text = '<%=rs3.getString("road")%>';
<%
j++;
}
//show rs2 while end
j=0;%>
}
<%}
rs2.first();
}
rs.first();%>
}
-->
</script>

<form name="selection">
<select name=city onChange="ChangeSelect(document.selection.city,document.selection.region,document.selection.rd)" size="1">
<option>==請選擇城市==</option>
<%do{%>
<option value="<%=rs.getString("unit_id")%>"><%=rs.getString("unit")%></option>
<%}while(rs.next());%>
</select><BR>
<br>
<SELECT name=region onChange="ChangeSelect(document.selection.city,document.selection.region,document.selection.rd)" size="1">
<option>==選擇區域==</option>
<%do{ %>
<option value="<%=rs2.getString("class_id") %>"><%=rs2.getString("class") %></option>
<%}while(rs2.next()); %>
</SELECT>
<BR>
<br>
<SELECT name=rd>

==選擇路==

</SELECT>
</form>
----------------------------------------------------------------------------------------------------
請問各位前輩,我要修改那裡才能讓我可以選擇到路


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話題樹型展開
人氣 標題 作者 字數 發文時間
81907 [精華] [問題]即時多層下拉選單 ㄚ孝 384 2003-06-07 09:05
79009 Re:[問題]即時多層下拉選單 browser 1054 2003-06-07 18:19
75947 Re:[問題]即時多層下拉選單 x3711699 138 2004-04-08 20:41
75753 Re:[問題]即時多層下拉選單 alanting 710 2004-04-11 01:41
78992 Re:[問題]即時多層下拉選單 AdaHsu 3345 2004-04-19 12:23
76864 Re:[問題]即時多層下拉選單 tsechun 95 2004-04-21 02:01
74028 Re:[問題]即時多層下拉選單 andowson 474 2004-08-01 11:07
73751 Re:[問題]即時多層下拉選單 yingssu 663 2004-08-01 19:48
72816 Re:[問題]即時多層下拉選單 ting626 38 2004-08-25 16:57
72887 Re:[問題]即時多層下拉選單 i22616899 2298 2004-09-04 17:55
72073 Re:[問題]即時多層下拉選單 GuanChih 175 2004-09-05 18:51
72815 Re:[問題]即時多層下拉選單 jonz 873 2004-09-12 10:27
66065 Re:[問題]即時多層下拉選單 pulse 1193 2005-04-18 23:22
69864 Re:[問題]即時多層下拉選單 joshua 1019 2004-11-17 16:02
70197 Re:[問題]即時多層下拉選單 joshua 2357 2004-11-17 17:27
76448 Re:[問題]即時多層下拉選單 ㄚ孝 61 2003-06-09 08:34
76684 Re:[問題]即時多層下拉選單 browser 135 2003-06-09 09:23
68912 Re:[問題]即時多層下拉選單 Madagascar 141 2004-12-04 02:06
68710 Re:[問題]即時多層下拉選單 yannru 360 2004-12-07 16:19
68567 Re:[問題]即時多層下拉選單 Madagascar 465 2004-12-07 21:20
68570 Re:[問題]即時多層下拉選單 small3 388 2004-12-13 09:52
68949 Re:[問題]即時多層下拉選單 EPHT 3599 2004-12-18 09:45
56338 Re:[問題]即時多層下拉選單 yulie 2015 2006-06-06 12:47
56060 Re:[問題]即時多層下拉選單 yulie 102 2006-06-06 13:21
56314 Re:[問題]即時多層下拉選單 estrelas 1620 2006-06-06 18:51
47117 Re:[問題]即時多層下拉選單 minichitina 1875 2007-05-05 16:25
47014 Re:[問題]即時多層下拉選單 eidson72 4781 2007-05-16 11:48
21902 Re:[問題]即時多層下拉選單 catte 1960 2011-06-27 14:44
21789 Re:[問題]即時多層下拉選單 bernardvai 54 2011-06-27 16:56
46582 Re:[問題]即時多層下拉選單 alvin0224 309 2007-05-16 14:54
46668 Re:[問題]即時多層下拉選單 eidson72 21 2007-05-16 15:41
76268 Re:[問題]即時多層下拉選單 ㄚ孝 75 2003-06-09 14:05
76226 Re:[問題]即時多層下拉選單 jackyliu 201 2003-06-22 02:06
46120 Re:[問題]即時多層下拉選單 minichitina 188 2007-05-31 08:33
45986 Re:[問題]即時多層下拉選單 minichitina 2335 2007-06-04 08:04
46448 Re:[問題]即時多層下拉選單 minichitina 2718 2007-06-07 08:00
21916 Re:[問題]即時多層下拉選單 catte 2014 2011-06-28 03:14
21754 Re:[問題]即時多層下拉選單 bernardvai 1202 2011-06-28 09:54
21870 Re:[問題]即時多層下拉選單 catte 2970 2011-06-28 11:36
21727 Re:[問題]即時多層下拉選單 bernardvai 545 2011-06-28 14:21
21819 Re:[問題]即時多層下拉選單 catte 146 2011-06-28 17:54
21749 Re:[問題]即時多層下拉選單 bernardvai 2904 2011-06-29 09:58
21697 Re:[問題]即時多層下拉選單 catte 43 2011-06-29 21:58
21580 Re:[問題]即時多層下拉選單 bernardvai 219 2011-06-30 14:40
21397 Re:[問題]即時多層下拉選單 catte 269 2011-07-13 10:41
21470 Re:[問題]即時多層下拉選單 bernardvai 660 2011-07-13 11:34
20906 Re:[問題]即時多層下拉選單 catte 4035 2011-08-15 09:35
21137 Re:[問題]即時多層下拉選單 jk47 288 2011-08-15 11:19
76202 Re:[問題]即時多層下拉選單 mousetail 89 2003-06-22 13:06
77849 Re:[問題]即時多層下拉選單 alanting 1777 2003-06-22 23:21
76368 Re:[問題]即時多層下拉選單 alanting 87 2003-06-22 23:24
22020 Re:[問題]即時多層下拉選單 catte 54 2011-06-27 04:33
75779 Re:[問題]即時多層下拉選單 evenlin 132 2003-08-02 00:55
77936 Re:[問題]即時多層下拉選單 anthonycs 301 2003-08-02 15:43
75416 Re:[問題]即時多層下拉選單 ajax0953 232 2004-03-31 15:05
75187 Re:[問題]即時多層下拉選單 shyan68 261 2004-04-07 18:11
73618 Re:[問題]即時多層下拉選單 yafeng 122 2004-07-29 10:53
69043 Re:[問題]即時多層下拉選單 javaer 216 2004-12-20 00:40
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