ʵÏÖAMF3ÓëJavaÖ®¼äÊý×éµÄ´«µÝ(¶¯Ì¬´´½¨Êý×é)...
Ê×ÏÈ,AMF3ËÆºõ²¢²»Ö§³ÖList.ArrayListµÈÊý×éµÄ½âÎö...Java¿Í»§¶Ë´«µÝList¶ÔÏó,AMF3ÎÞ·¨½âÎöΪArray...
ÔÒòÊÇ:AMF3Ö»Ö§³Ö»ù´¡Êý¾ÝÀàÐÍ...
¹Ê,ÐèÒª½«ListµÈÊý¾Ýת»»ÎªObject[] !ÕâÑùAMF3²ÅÄܽ«Java´«µÝµÄÊý×é½âÎöΪArray...
ÓÉÓÚÊý×éµÄ´´½¨,¼´±ãÒ»¿ªÊ¼²»¸³Öµ,Ò²ÐèÒªÉèÖÃÊý×éµÄlength,Èç:String[] myString = new String[5];
¹Ê,ÐèÒª¶¯Ì¬´´½¨Object[]Êý×é.µ«ÍùÍù,lengthÒ»¿ªÊ¼ÊDz¢²»ÖªµÀ,±ÈÈçJDBCÖÐResultSet...
@SuppressWarnings("unchecked")
public Seed_Warehouse[] findSeedWarehouseByUserID(int userID)
throws SQLException {
String sql = "SELECT * from LESOGO_SEED_WAREHOUSE WHERE USER_ID = ?";
db.doPstm(sql, new Object[] { userID });
ResultSet rs = db.getRs();
if (rs != null) {
int i = 0; // »ñµÃÊý¾Ý¿â±íµÄÐÐÊý!
while (rs.next()) {
i++;
}
Seed_Warehouse[] sws = new Seed_Warehouse[i];
rs.beforeFirst(); // ¹â±êÖ¸ÏòÆðʼλÖÃ!
int j = 0;
while (rs.next()) {
Seed_Warehouse sw = new Seed_Warehouse();
sw.setId(rs.getInt(1));
sw.setCrop_class_name(rs.getString(2));
sw.setCrop_count(rs.getInt(3));
sw.setUser_id(rs.getInt(4));
sws[j++] = sw; // ΪÊý¾Ý¾ßÌåλÖÃϵĶÔÏó¸³Öµ!
}
return sws;
}
return null;
}
×ܽá:
ÊÇÒªÈÏÕæÑ§Ï°ÏÂAMF3ÐÒéÁË...
Ïà¹ØÎĵµ£º
ÏßÐÔ±í£¬Á´±í£¬¹þÏ£±íÊdz£ÓõÄÊý¾Ý½á¹¹£¬ÔÚ½øÐÐJava¿ª·¢Ê±£¬JDKÒѾΪÎÒÃÇÌṩÁËһϵÁÐÏàÓ¦µÄÀàÀ´ÊµÏÖ»ù±¾µÄÊý¾Ý½á¹¹¡£ÕâЩÀà¾ùÔÚjava.util°üÖС£±¾ÎÄÊÔͼͨ¹ý¼òµ¥µÄÃèÊö£¬Ïò¶ÁÕß²ûÊö¸÷¸öÀàµÄ×÷ÓÃÒÔ¼°ÈçºÎÕýȷʹÓÃÕâЩÀà¡£
<o:p></o:p>
Collection
©ÀList
©¦©ÀLinkedList
©¦©ÀArrayList
©¦©¸Vector ......
l×é¼þ´Ó¹¦ÄÜÉÏ·Ö¿É·ÖΪ£º
1) ¶¥²ãÈÝÆ÷£ºJFrame,JApplet,JDialog,JWindow
2) ÖмäÈÝÆ÷£ºJPanel,JScrollPane,JSplitPane,JToolBar¡¡
3) ÌØÊâÈÝÆ÷£ºÔÚGUIÉÏÆðÌØÊâ×÷ÓõÄÖмä²ã£¬ÈçJInternalFrame,JLayeredPane,JRootPane.
1.JFrameµÄÓ÷¨
1) ÓÃgetContentPane( )·½·¨»ñµÃJFrameµÄ ......
1£® ¹ØÓÚ»ù´¡Êý¾ÝÀàÐÍ¡£
»¹¼ÇµÃÉÏһƬÎÄÕÂÖнáβ²¿·ÖµÄÄǸöÀý×Óô£¿
ÒòΪ¼ÆËã»úµÄ2½øÖƵÄÌØÐÔ£¬JavaÓïÑÔ£¨ÆäËûÓïÑÔºÃÏñÒ²Ò»Ñù£©ÎÞ·¨×¼È·µØ½øÐÐfloat,doubleÀàÐÍÊý¾ÝµÄ¼ÆË㣬ËùÒÔ£¬×÷ÕâЩ¼ÆËãµÄʱºòÐèÒª¿¼ÂÇʹÓÃBigDecimalן÷Àà¡£
2£® StringÀàÓëStringBufferÀà
JavaµÄStringÀàÌṩÈçϵļòµ¥µÄ×Ö·û´®Á¬½Ó·½· ......
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« ......
ͨ¹ý DAOFactory µÄ·ºÐÍд·¨À´ÑÝʾJava·ºÐ͵ÄÌØÊâÓ÷¨
СÐÍÏîÄ¿Öг£³£¶¼Ã»ÓÐÓÃÈý·½³Ö¾Ã»¯¿ò¼Ü£¬¶ø´ó¶¼ÊÇÓù«Ë¾»ò×ÔÐÐÒÀ¾ÝDAOģʽ·â×°µÄһЩ×é¼þÀ´Íê³ÉÊý¾Ý¿â³Ö¾Ã»¯¶¯×÷£¬²¢ÇÒ£¬Í¨³£ÎªÁ˸ü¾ß¿ÉÀ©Õ¹ÐÔ£¬³£³£Ê¹ÓóéÏ󹤳§Ä£Ê½À´½âñîºÏ¡£
Ò»¡¢ÏÈ¿´´úÂë
1¡¢¼òµ¥¹¤³§´úÂë
/************************************************* ......