java Áª¶¯
JSP£ºjavascript ºÍ struts²¿·Ö
<table width="100%" border="0" cellspacing="0" cellpadding="6">
<tr>
<td>
<span class="txt1">Èý¼¶µ¥Î»£º</span>
<html:select property="oilarea" style="width:182" styleId="area" onchange="javascript:fillWell()">
<c:forEach var="lessonmameshow" items="${requestScope.team1}">
<html:option value="${lessonmameshow.id}" ><c:out value="${lessonmameshow.name}"/></html:option>
</c:forEach>
</html:select>
<span class="txt1">¶ÓÎ飺</span>
<html:select property="oilwell" style="width:182" styleId="well">
<%
String id = (String)request.getAttribute("org");
if(request.getAttribute("org")!= null &&!"".equals(request.getAttribute("org"))){
List l = (List)request.getAttribute("ow");
for(int i=0;i<l.size();i++){
Orgteam org = (Orgteam)l.get(i);
%>
<%
if(id.equals(org.getId()+"")){
%>
<option value="<%=org.getId()%>" selected="selected"><c:out value="<%=org.getName()%>"/></option>
<%
}else{
%>
<option value="<%=org.getId()%>" ><c:out value="<%=org.getName()%>"/></option>
<%
}
}
}
%>
</html:select>
</td>
</tr>
</table>
<SCRIPT LANGUAGE="javascript">
<% List list1 =(List) request.getAttribute("team1");%>
var wellIds = new Array(<%=list1.size()%>)
var wellNames = new Array(<%=list1.size()%>)
<%
for(int i=0;i<list1.size();i++){
Orgthreeorgs area = (Orgthreeorgs)list1.get(i);
String hql = "from huanxl.hibernate.db.Orgteam as o where o.threeorgsid="+area.getId();
DataUtil du = new DataU
Ïà¹ØÎĵµ£º
import java.io.*;
class FileTest
{
public static void main(String[] args) throws Exception
{
//File f=new File("1.txt");
//f.createNewFile();
//f.mkdir();
//File f=new File("E:\\JavaLesson\\Lesson7\\1.txt");//ÔÚWindowsϵͳÏÂ,Óþø¶Ô ......
Ò»¸öjavaÎļþÖУ¬ÓÐÇÒÖ»ÓÐÒ»¸öpublicÀà
float ff= 1.3f;(4B)
int 4B;
long 8B;
double 8B;
byte Ò»×Ö½ÚÕûÐÍ
char 2B
Êý×é
int num[] = new int[3];
int[] num;
num = new int[3];
int [] num = new int[]{1,2,3};
int [][] num;
num = new int[3][4];
//²»Í¬³¤
num = new int[3][];
num[0] = new int[5]; ......
¼Ì³Ð£º
javaÖ»Óе¥¼Ì³Ð£¬²»ÄÜͬʱ¼Ì³Ð¶à¸öÀà
class Animal{}
class Fish extends Aniaml{}
super.(¸¸ÀàÖÐÓë×ÓÀàÏàͬµÄ·½·¨£©();//super-ÌØÊâµÄ±äÁ¿£¬ÓÃÓÚ·ÃÎʸ¸ÀàÖÐÓë×ÓÀàÏàͬµÄ·½·¨£¬ÈçÏÂ
//¸¸Àà
class Fish extends animal
{
void output()
{
System.out.println("Fish");
&n ......
cmd
set path=javacËùÔÚÎļþ¼Ð£¨²»°üÀ¨javac)
ÔÚÈÎÒâÎļþ¼ÐÏÂÖ±½ÓʹÓÃjavac.exe,µ«µ±cmd ¹Ø±Õʱ£¬¾Í²»ÔÙÆð×÷ÓÃ
set classpath=...
×÷ÓÃ:ÔÚÈÎÒâÎļþ¼ÐÏÂÖ±½ÓʹÓÃ.classÎļþ£¬µ«µ±cmd ¹Ø±Õʱ£¬¾Í²»ÈðÆð×÷ÓÃ
²é¿´£ºset pathh; set classpath
ÎҵĵçÄÔ->ÊôÐÔ->¸ß¼¶->»·¾³±äÁ¿ÉèÖÃ
Óû§±äÁ¿£º
±äÁ¿Ãû£ºclasspat ......
import java.util.LinkedList;
//µ¥Ïò¶ÓÁÐ
public class Queue {
public Queue() {
}
private LinkedList list = new LinkedList();
public void pu ......