JAVAÁ¬½ÓÊý¾Ý¿â Oracle
±¾ÎÄÊ×ÏȽéÉÜjavaÁ¬½ÓoracleҪעÒâµÄ¼¸µã£¬È»ºó½éÉܼ¸ÖÖ³£ÓõÄÁ¬½Ó·½Ê½¡£
Ò»¡¢¼¸µã×¢Ò⣺
1¡¢ÔÚ¿Í»§¶ËÈí¼þ¿ª·¢ÖÐʹÓÃThinÇý¶¯³ÌÐò
ÔÚ¿ª·¢JavaÈí¼þ·½Ã棬OracleµÄÊý¾Ý¿âÌṩÁËËÄÖÖÀàÐ͵ÄÇý¶¯³ÌÐò£¬¶þÖÖÓÃÓÚÓ¦ÓÃÈí¼þ¡¢applets¡¢servletsµÈ¿Í»§¶ËÈí¼þ£¬ÁíÍâ¶þÖÖÓÃÓÚÊý¾Ý¿âÖеÄJava´æ´¢¹ý³ÌµÈ·þÎñÆ÷¶ËÈí¼þ¡£ÔÚ¿Í»§»ú¶ËÈí¼þµÄ¿ª·¢ÖУ¬ÎÒÃÇ¿ÉÒÔÑ¡ÔñOCIÇý¶¯³ÌÐò»òThinÇý¶¯³ÌÐò¡£OCIÇý¶¯³ÌÐòÀûÓÃJava±¾µØ»¯½Ó¿Ú£¨JNI£©£¬Í¨¹ýOracle¿Í»§¶ËÈí¼þÓëÊý¾Ý¿â½øÐÐͨѶ¡£ThinÇý¶¯³ÌÐòÊÇ´¿JavaÇý¶¯³ÌÐò£¬ËüÖ±½ÓÓëÊý¾Ý¿â½øÐÐͨѶ¡£½¨ÒéʹÓÃThinÇý¶¯³ÌÐò£¬ÒòΪͨ¹ý¶à´Î²âÊÔ·¢ÏÖ£¬ÔÚͨ³£Çé¿öÏ£¬ThinÇý¶¯³ÌÐòµÄÐÔÄܶ¼³¬¹ýÁËOCIÇý¶¯³ÌÐò¡£
2¡¢¹Ø±Õ×Ô¶¯Ìá½»¹¦ÄÜ£¬Ìá¸ßϵͳÐÔÄÜ
ÔÚµÚÒ»´Î½¨Á¢ÓëÊý¾Ý¿âµÄÁ¬½Óʱ£¬ÔÚȱʡÇé¿öÏ£¬Á¬½ÓÊÇÔÚ×Ô¶¯Ìύģʽϵġ£ÎªÁË»ñµÃ¸üºÃµÄÐÔÄÜ£¬¿ÉÒÔͨ¹ýconn.setAutoCommit(false)¹Ø±Õ×Ô¶¯Ìá½»¹¦ÄÜ¡£Ò»µ©¹Ø±ÕÁË×Ô¶¯Ìá½»¹¦ÄÜ£¬ÎÒÃǾÍÐèҪͨ¹ýµ÷ÓÃConnectionÀàµÄcommit()ºÍrollback()·½·¨À´È˹¤µÄ·½Ê½¶ÔÊÂÎñ½øÐйÜÀí¡£
3¡¢¼¸ÖÖ²Ù×÷sqlµÄ¶ÔÏó£ºStatement,PreparedStatement,CallableStatement
Statement¶ÔÏó£ºÃ¿´ÎÖ´ÐÐsql£¬Êý¾Ý¿â¶¼Òª¶Ô¸Ãsql±àÒ룬¶ÔÓÚ½öÖ´ÐÐÒ»´Î²Ù×÷²¢·µ»Ø½á¹ûµÄÇéÐΣ¬Ð§ÂʸßÓÚPreparedStatement
ʹÓ÷½Ê½£º
Statement stmt =null;
ResultSet rs = stmt.executeQuery(sql); //²éѯ
int result = stmt.executeQuery(sql); //Ð޸ġ¢É¾³ý¡¢²åÈë
PreparedStatement¶ÔÏó£ºÔ¤±àÒëµÄ£¬¶ÔÓÚ¾³£»áÖØ¸´Ö´ÐÐÏàͬµÄSQLÓï¾ä£¬½¨ÒéʹÓ᣶ÔÓÚÅúÁ¿´¦ÀíËü¿ÉÒÔ´ó´óÌá¸ßЧÂÊ. Òò´ËËüÒ²½ÐJDBC´æ´¢¹ý³Ì¡£
ʹÓ÷½Ê½£º
²éѯ£ºÊÊÓÃÓÚ¶à´ÎÖØ¸´²éѯÀàËÆµÄsqlÓï¾ä
PreparedStatemen
Ïà¹ØÎĵµ£º
µÚÒ»ÖÖ·½·¨Îª³£¼ûÇÒÒ×ÓÚÉÏÊÖ
1¡¢ÔÚÓ¦Óÿª·¢ÖУ¬¾³£ÐèҪһЩÖÜÆÚÐԵIJÙ×÷£¬±ÈÈçÿ5·ÖÖÓÖ´ÐÐijһ²Ù×÷
µÈ¡£¶ÔÓÚÕâÑùµÄ²Ù×÷×î·½±ã¡¢¸ßЧµÄʵÏÖ·½Ê½¾ÍÊÇʹÓÃjava.util.Timer¹¤¾ßÀà¡£
private java.util.Timer timer;
timer
= new Timer(true);
timer.schedule(
new java.util.TimerTask() {
public void run() { // ......
http://www.cn-java.com/www1/?action-viewnews-itemid-3295
ÎÒÏë£Ê£Á£Ö£ÁµÄ°®ºÃÕߣ¬ÓÈÆäÊdzõѧÕß´ó¶¼ÓйýÕâÑùµÄ¾Àú£¬¾ÍÊÇϲ»¶£Ê£Á£Ö£Á±à³ÌÓïÑÔ£¨Õâ¸öÈ˵ÄÇé¿ö¿ÉÄܲ»Ò»Ñù£©£¬µ«ÊÇÓÐʱºò×Ü»á¾õµÃJAVAµÄÓŵã±ãÊÇËýµÄ“ÖÂÃü”µÄȱµã¡£´ó¼ÒµÄÐÅÄîÒÀ¾ÉÊǓһ´Î±àÒ룬µ½´¦ÔËÐДµ«ÊǾÍÊÇÒòΪÖÁÒ»µã£Ê£Á£Ö£Á ......
http://www.cn-java.com/www1/?action-viewnews-itemid-3295
ÎÒÏë£Ê£Á£Ö£ÁµÄ°®ºÃÕߣ¬ÓÈÆäÊdzõѧÕß´ó¶¼ÓйýÕâÑùµÄ¾Àú£¬¾ÍÊÇϲ»¶£Ê£Á£Ö£Á±à³ÌÓïÑÔ£¨Õâ¸öÈ˵ÄÇé¿ö¿ÉÄܲ»Ò»Ñù£©£¬µ«ÊÇÓÐʱºò×Ü»á¾õµÃJAVAµÄÓŵã±ãÊÇËýµÄ“ÖÂÃü”µÄȱµã¡£´ó¼ÒµÄÐÅÄîÒÀ¾ÉÊǓһ´Î±àÒ룬µ½´¦ÔËÐДµ«ÊǾÍÊÇÒòΪÖÁÒ»µã£Ê£Á£Ö£Á ......
ǰÑÔ£º
±¾ÏîÄ¿Ö÷ÒªÊÇͨ¹ý°ÑµØÍ¼ÇÐÆ¬Ç¶Èëswf£¬°ÑÇÐÆ¬×ø±êÓÃJavaÊý¾Ý´ò°ü£¬È»ºó ÔÚFlexÏîÄ¿ÄÚͨ¹ýJava¶ÁÈ¡´ò°üÊý¾Ý£¬Í¨Ñ¶¸øFlex£¬×îºó°ÑswfÄÚµÄͼƬ°²·ÅÔÚ¶ÔӦλÖÃÀ´Êµ´óµØÍ¼ ²ð·Ö->´ò°ü->ÔÙÏֵĹý³Ì¡£
1. swfͼƬ´ò°ü´úÂë BitMapClass.as
package
{
import flash.display.Sprite;
public class BitM ......
JAVAÓïÑÔÖеķ´Éä»úÖÆ£º
ÔÚJava ÔËÐÐʱ »·¾³ÖУ¬¶ÔÓÚÈÎÒâÒ»¸öÀ࣬ÄÜ·ñÖªµÀÕâ¸öÀàÓÐÄÄЩÊôÐԺͷ½·¨£¿
¶ÔÓÚÈÎÒâÒ»¸ö¶ÔÏó£¬ÄÜ·ñµ÷ÓÃËûµÄ·½·¨£¿ÕâЩ´ð°¸Êǿ϶¨µÄ£¬ÕâÖÖ¶¯Ì¬»ñÈ¡ÀàµÄÐÅÏ¢£¬ÒÔ¼°¶¯Ì¬µ÷ÓÃÀàµÄ·½·¨µÄ¹¦ÄÜÀ´Ô´ÓÚJAVAµÄ·´Éä¡£´Ó¶øÊ¹java¾ßÓж¯Ì¬ÓïÑÔµÄÌØÐÔ¡£
JAVA·´É ......