Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JAVAÅäÖÃJNDIÊý¾ÝÔ´

 ±¾°¸ÀýÊÇʹÓÃSQLSERVER2005×÷ΪÊý¾ÝÔ´£¬Ê¹ÓÃTOMCAT6.0
µÚÒ»²½£¬°ÑÒÔÏ´úÂ뿽±´µ½tomcatµÄ°²×°Ä¿Â¼confÎļþ¼Ðcontext.xmlÎļþÏ¡£
Êý¾Ý¿âÁ¬½ÓÇëÐÞ¸Ä
<Resource name="jdbc/demo"
auth="Container"
type="javax.sql.DataSource"
driverClassName="com.microsoft.sqlserver.jdbc.SQLServerDriver"
url="jdbc:sqlserver://localhost:1433;databaseName=Demo"
username="sa"
password=""
maxActive="100"
maxIdle="30"
maxWait="10000" />
µÚ¶þ²½£¬°Ñjdbc¼Ü°ü¿½±´µ½tomcat°²×°Ä¿Â¼libÏÂ
µÚÈý²½£¬ÔÚ³ÌÐòÀïдÈçÒÔÏ´úÂë
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;
public static Connection getConn(){
Connection con=null;
try {
Context ctx=new InitialContext();
DataSource ds=(DataSource) ctx.lookup("java:comp/env/jdbc/demo");
if(ds==null){
System.out.println("Êý¾ÝÔ´²»ÕýÈ·");
}else{
con=ds.getConnection();
}
}catch (Exception e) {
// TODO Auto-generated catch block
e.getMessage();
}
return con;
}
µÚËIJ½£¬Æô¶¯tomcat²ÅÄܲâÊÔ


Ïà¹ØÎĵµ£º

java¼ì²âQQÊÇ·ñÔÚÏß

 package mylib.webxml;
//~--- JDK imports ------------------------------------------------------------
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
/**
 *
 * @author jmp esp
 * @version 1.0
 *
&nbs ......

JAVAö¾ÙÀàÐÍ

 Enum×÷ΪSunÈ«ÐÂÒý½øµÄÒ»¸ö¹Ø¼ü×Ö£¬¿´ÆðÀ´ºÜÏóÊÇÌØÊâµÄclass,    ËüÒ²¿ÉÒÔÓÐ×Ô¼ºµÄ±äÁ¿£¬¿ÉÒÔ¶¨Òå×Ô¼ºµÄ·½·¨£¬¿ÉÒÔʵÏÖÒ»¸ö»òÕß¶à¸ö½Ó¿Ú¡£    µ±ÎÒÃÇÔÚÉùÃ÷Ò»¸öenumÀàÐÍʱ£¬ÎÒÃÇÓ¦¸Ã×¢Òâµ½enumÀàÐÍÓÐÈçϵÄÒ»Ð©ÌØÕ÷¡£    
   
   ¡¡ ......

javaµÃµ½Ò»¸ö°üµÄËùÓÐÀà

 public static Class[] getClasses(String pckgname)
   throws ClassNotFoundException {
  ArrayList<Class> classes = new ArrayList<Class>();
  // Get a File object for the package
  File directory = null;
  try {
   ......

¹ØÓÚjavaµÄǰ;

     ÏëÏë×Ô¼ºÃ÷Äê¾ÍÒª±ÏÒµÁË£¬µ«×Ô¼ºÐÄÀï×ÜÊǺܵ£ÐÄ£¬Ò²²»ÖªµÀ×Ô¼ºÑ§Õâ¸öµ½µ×ÊǶԻ¹ÊÇ´í£¡×ÜÊÇÌý˵ÏÖÔÚ×ö³ÌÐòµÄ¹¤×÷²»ºÃÕÒ£¬¹¤×ʺܵͣ¬ÏÖÔÚÓкöàͬѧ¶¼Ã»Ñ§ÁË£¬Ò²²»ÖªµÀ×Ô¼ºÊDz»ÊÇ»¹Òª¼á³ÖÏÂÈ¥£¬ÊDz»ÊÇ»¹ÒªjiavaÕâÌõ·¡£¸Ð¾õºÃÃÔã....... ......

ÓÃjavaÇó½âÒ»µÀȤζÌå:123456789²åÈë+£¬

 ×î½üÔÚCSDN£¬¿´µ½ÁËÒ»µÀȤζÌ⣺123456789Õâ¾Å¸ö°´Ë³ÐòÅÅÁеÄÊý£¬ÒªÇóÔÚËüÃÇÖ®¼ä²åÈëÈô¸É¸ö+£¬-£¬*£¬/ £¬Ê¹Æä½á¹ûÕýºÃµÈÓÚ
100È磺1*2*3*4+5+6+7*8+9=100¡£
¿´ÁËÌâÄ¿ºó£¬Ë¼¿¼Èç¹ûÓÃjavaÈçºÎʵÏÖ¡£ÒÔÏÂÊÇÎҵĽâÌâ˼·£º
˼Ïë±È½Ï¼òµ¥£¬ÏȽ«²åÈë+£¬-£¬*£¬/ºóµÄËùÓÐ×Ö·û´®¶¼Çî¾Ù³öÀ´£¬È»ºó¼ÆËãÄÄЩ×Ö·û´®µÈÓÚ100¡£
Õ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ