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//»ñÈ¡Êý¾Ý¿âÊý¾Ý·µ»Ølist
public List queryAll(int fcateId) {
List list = new ArrayList();
String sql = "select * from g_Account where fCateID=? order by fCode";
Connection con = SqlHelp.getConn();//»ñµÃÁ¬½Ó£¬sqlhelp×Ô¼ºÐ´µÄ¹¤¾ßÀà
PreparedStatement pst = null;
ResultSet rs = null;
try {
pst = con.prepareStatement(sql);
pst.setInt(1, fcateId);
rs = pst.executeQuery();
while (rs.next()) {
GAccount ga=new GAccount();
ga.setFCode(rs.getString("fCode"));
ga.setFName(rs.getString("fName"));
ga.setFCateID(rs.getInt("fCateID"));
ga.setFLevel(rs.getInt("fLevel"));
ga.setFParent(rs.getString("fParent"));
ga.setFIsDetail(rs.getInt("fIsDetail"));
list.add(ga);
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
SqlHelp.colseConn(con, pst, rs);
}
return list;
}
//´Ë·½·¨Êǹؼü£¨»ñÈ¡tree½á¹¹£©
public String getTree(int fcateId){
StringBuffer sb=new StringBuffer();
List gas=this.queryAll(fcateId);
String fparent="";
String fcode="";
int flevel=0;

//sb.append("<node>\r");
for (Iterator iterator = gas.iterator(); iterator.hasNext();) {
GAccount ga = (GAccount) iterator.next();

if (!ga.getFParent().equals(fparent)) {

if (!ga.getFParent().equals(fcode)) {
sb.append("\r"+getT("\t",ga.getFLevel())+"</node>\r");
for (int i = 1; i < flevel - ga.getFLevel(); i++) {
sb.append("\r\t</node>\r");
}
}
}

if(ga.getFLevel()==1){
sb.append("<node label=\"");
sb.append(ga.getFCode()+"-"+ga.getFName());
sb.append("\" id=\""+ga.getFCode()+"\">\r");

if(ga.getFIsDetail()==1){
sb.append("</node>\r");
}
}else{
if(ga.getFIsDetail()==1){
sb.append(""+getT("\t", ga.getFLevel())+"<node label=\"");
sb.append(ga.getFCode()+"-"+ga.getFName());
sb.append("\" id=\""+ga.getFCod


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javaÄÚ²¿Àà¼Ì³ÐʾÀý£¡

package innerClass.test;
public class InheritTest
{
    public static void main(String[] args)
    {
        Person p = new Person("LMS");
        p.show();
      ......

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ÒªÀí½â javaÖÐStringµÄÔË×÷·½Ê½£¬±ØÐëÃ÷È·Ò»µã£ºStringÊÇÒ»¸ö·Ç¿É±äÀࣨimmutable£©¡£Ê²Ã´ÊǷǿɱäÀàÄØ£¿¼òµ¥ËµÀ´£¬·Ç¿É±äÀàµÄʵÀýÊDz»Äܱ»Ð޸ĵģ¬Ã¿¸öʵÀýÖаüº¬µÄÐÅÏ¢¶¼±ØÐëÔÚ¸ÃʵÀý´´½¨µÄʱºò¾ÍÌṩ³öÀ´£¬²¢ÇÒÔÚ¶ÔÏóµÄÕû¸öÉú´æÖÜÆÚÄڹ̶¨²»±ä¡£javaΪʲôҪ°ÑStringÉè¼ÆΪ·Ç¿É±äÀàÄØ£¿Äã¿ÉÒÔÎÊÎÊ james Gosling £º£©¡£µ ......

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ʹÓÃjava¶ÁÈ¡URL

import java.net.*;
import java.io.*;
public class ReadDemo
{
public static void main(String argv[])
{
try
{
URL url = new URL("http://blog.chinaunix.net/u/15586/showart_1863289.html");
BufferedRe ......
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