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

javaµ÷Óô洢¹ý³Ì

//µ÷Óô洢¹ý³Ì´ø²Î
            CallableStatement ca = conn.prepareCall("{call Login (?,?)}");
            ca.setString(1,username);
            ca.setString(2,password);
            ca.execute();
//µ÷Óô洢¹ý³Ì´ø·µ»Ø²ÎÊýµÄ
            CallableStatement ca = conn.prepareCall("{call Login (?,?,?)}");
            ca.setString(1,username);
            ca.setString(2,password);
            ca.registerOutParameter(3,java.sql.Types.INTEGER);
            ca.execute();
            int returnOut = ca.getInt(3);
 //µ÷Óô洢¹ý³Ì´ø·µ»ØÖµµÄreturn
            CallableStatement ca = conn.prepareCall("{?=call Login (?,?,?)}");
            ca.setString(2,username);
            ca.setString(3,password);
            ca.registerOutParameter(1,java.sql.Types.INTEGER);
            ca.execute();
            int returnOut = ca.getInt(1);
    //µ÷Óô洢¹ý³Ì·µ»ØÁ½¸ö½á¹û¼¯
            CallableStatement ca = conn.prepareCall("{call Login (?,?,?)}");
            ca.setString(1,usern


Ïà¹ØÎĵµ£º

Java±à³ÌÄÇЩʶùϵÁÐÎÄÕÂ(È«¼¯)


Java±à³ÌÄÇЩʶù1——ÐòÑÔ
Java±à³ÌÄÇЩʶù2——³ÌÐòÉè¼ÆÊÇʲô£¿
Java±à³ÌÄÇЩʶù3——ÄãÊʺÏѧϰ³ÌÐòÉè¼ÆÂð£¿
Java±à³ÌÄÇЩʶù4——ÈçºÎѧºÃ³ÌÐòÉè¼Æ£¿
Java±à³ÌÄÇЩʶù5——³ÌÐòÉè¼Æ½éÉÜС½á
Java±à³ÌÄÇЩʶù6——¼ÆËã»úÈí¼þ»ù±¾¸ÅÄî
Java±à ......

ѧϰJavaÖµ´«µÝ·½·¨

ѧϰJavaÖµ´«µÝ·½·¨-Î人±±´óÇàÄñ
¡¡¡¡Öµ´«µÝÊÇÔÚÒ»¸öº¯ÊýÖУ¬µ÷ÓÃÁíÍâÒ»¸öº¯Êý£¬ÆäÖк¬ÓвÎÊý´«µÝµÄÇé¿ö¡£ÍùÍùÖµ´«µÝ¾ÍÊǰÑÊý¾Ý´«µÝµ½ÁíÍâÒ»¸öº¯ÊýÖнøÐнøÒ»²½´¦Àí£¬ÒÔ¸üÇå³þµØÏÔʾº¯ÊýµÄ±í´ïÒâ˼¡£ÔÚº¯Êýµ÷ÓõÄʱºò»áÓÐÊý¾Ý´«µÝ£¬Í¬ÑùÒª¿¼ÂÇÐβκÍʵ²ÎµÄÎÊÌ⣬ÈçÏÂÃæµÄÒ»¸ö³ÌÐò£º
¡¡¡¡on error resume next ShockMode ......

Java Reflection (JAVA·´Éä)

Reflection ÊÇ Java ³ÌÐò¿ª·¢ÓïÑÔµÄÌØÕ÷Ö®Ò»£¬ËüÔÊÐíÔËÐÐÖÐµÄ Java ³ÌÐò¶Ô×ÔÉí½øÐмì²é£¬»òÕß˵“×ÔÉ󔣬²¢ÄÜÖ±½Ó²Ù×÷³ÌÐòµÄÄÚ²¿ÊôÐÔ¡£ÀýÈ磬ʹÓÃËüÄÜ»ñµÃ Java ÀàÖи÷³ÉÔ±µÄÃû³Æ²¢ÏÔʾ³öÀ´¡£
Java µÄÕâÒ»ÄÜÁ¦ÔÚʵ¼ÊÓ¦ÓÃÖÐÒ²ÐíÓõò»ÊǺܶ࣬µ«ÊÇÔÚÆäËüµÄ³ÌÐòÉè¼ÆÓïÑÔÖиù±¾¾Í²»´æÔÚÕâÒ»ÌØÐÔ¡£ÀýÈ磬Pascal¡¢C ......

java µ÷ÓÃͨÓô洢¹ý³Ì£¨Sqlserver£©


package com.wfy.system.dao;   
  
import java.sql.CallableStatement;   
import java.sql.Connection;   
import java.sql.ResultSet;   
import java.sql.SQLException;   
import java.sql.Types;    ......

JavaÖÐequalºÍ==µÄ±È½Ï[zz]

×î½ü¿´µ½Ò»¸öÍøÓѹØÓÚ==ºÍequals ×öµÄ×ܽᣬ·ÖÏíÒ»ÏÂ
javaÖÐequals·½·¨ºÍ“==”µÄÇø±ð£º
equals ·½·¨ÊÇ java.lang.Object ÀàµÄ·½·¨¡£
ÓÐÁ½ÖÖÓ÷¨ËµÃ÷£º
£¨1£©¶ÔÓÚ×Ö·û´®±äÁ¿À´Ëµ£¬Ê¹ÓÓ==”ºÍ“equals()”·½·¨±È½Ï×Ö·û´®Ê±£¬Æä±È½Ï·½·¨²»Í¬¡£
“==”±È½ÏÁ½¸ö±äÁ¿±¾ÉíµÄÖµ£¬¼ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ