JDBCÅú´¦Àí (java ¶ÔÊý¾Ý¿âµÄ»Ø¹ö£©
1ÏÈ¿´Ò»Ï³ÌÐò£º
package com.redking.jdbc.demo;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
public class JDBCDemo07 {
public static final String DBDRIVER = "sun.jdbc.odbc.JdbcOdbcDriver" ;
public static final String DBURL = "jdbc:odbc:testDB" ;
public static void main(String[] args) {
Connection conn = null ;
Statement pstmt = null ;
try {
// ÏòJAVAÈÝÆ÷ÖмÓÔØÇý¶¯
Class.forName(DBDRIVER) ;
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
conn = DriverManager.getConnection(DBURL) ;
} catch (SQLException e) {
e.p
Ïà¹ØÎĵµ£º
¡¡¡¡(1) ÀàÃûÊ××ÖĸӦ¸Ã´óд¡£×ֶΡ¢·½·¨ÒÔ¼°¶ÔÏó(¾ä±ú)µÄÊ××ÖĸӦСд¡£¶ÔÓÚËùÓбêʶ·û£¬ÆäÖаüº¬µÄËùÓе¥´Ê¶¼Ó¦½ô¿¿ÔÚÒ»Æð£¬¶øÇÒ´óдÖм䵥´ÊµÄÊ××Öĸ¡£ÀýÈ磺
¡¡¡¡ThisIsAClassName
¡¡¡¡thisIsMethodOrFieldName
¡¡¡¡ÈôÔÚ¶¨ÒåÖгöÏÖÁ˳£Êý³õʼ»¯×Ö·û£¬Ôò´óдstatic final»ù±¾ÀàÐͱêʶ·ûÖеÄËùÓÐ×Öĸ¡£ÕâÑù±ã¿É±êÖ¾³öË ......
web.xmlÎļþ¶ÔÓÚÅäÖÃÈκÎJava WebÓ¦Óö¼±ØÐèµÄ¡£
£¨1£©ÅäÖÃStrutsµÄActionServlet
<servlet><!--ÔªËØÀ´ÉùÃ÷ActionServlet-->
<servlet-name><!--ÔªËØ£ºÓÃÀ´¶¨ÒåServletµÄÃû³Æ-->
<servlet-class><!--ÔªËØ:ÓÃÀ´Ö¸¶¨ServletµÄÍêÕûÀàÃû-->
<servlet>
<servlet-name& ......
Ò»¡¢ÀûÓÃrandom·½·¨À´Éú³ÉËæ»úÊý¡£
ÔÚJavaÓïÑÔÖÐÉú³ÉËæ »úÊýÏà¶ÔÀ´Ëµ±È½Ï¼òµ¥£¬ÒòΪÓÐÒ»¸öÏֳɵķ½·¨¿ÉÒÔʹÓá£ÔÚMathÀàÖУ¬JavaÓïÑÔÌṩÁËÒ»¸ö½Ð×örandomµÄ·½·¨¡£Í¨¹ýÕâ¸ö·½·¨¿ÉÒÔÈÃϵͳ²úÉúËæ»ú Êý¡£²»¹ýĬÈÏÇé¿öÏ£¬Æä²úÉúµÄËæ»úÊý·¶Î§±È½ÏС£¬Îª´óÓÚµÈÓÚ0µ½Ð¡ÓÚ1µÄdoubleÐÍËæ»úÊý¡£ËäÈ»ÆäËæ»úÊý²úÉúµÄ·¶Î§±È½ÏС£¬²» ......