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
create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ
......
×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 ......
¡¡finalÀࣺΪ·ÀÖ¹ËûÈË´ÓÄãµÄÀàÉÏÅÉÉúÐÂÀ࣬´ËÀàÊDz»¿ÉÀ©Õ¹µÄ¡£
¡¡¡¡¶¯Ì¬µ÷ÓñȾ²Ì¬µ÷Óû¨·ÑµÄʱ¼äÒª³¤¡£
¡¡¡¡³éÏóÀࣺ¹æ¶¨Ò»¸ö»ò¶à¸ö³éÏó·½·¨µÄÀà±¾Éí±ØÐ붨ÒåΪabstract¡£
¡¡¡¡Àý£º public abstract string getDescripition
¡¡¡¡JavaÖеÄÿһ¸öÀà¶¼ÊÇ´ÓObjectÀàÀ©Õ¹¶øÀ´µÄ¡£
¡¡¡¡objectÀàÖеÄequalºÍtoString·½·¨¡ ......
javaʹÓÃMathÀ࣬phpʹÓÃϵͳº¯Êý
ceil¹¦ÄÜ ´óÓÚµÈÓÚijÊý(³£ÓÃÓÚ·ÖÒ³Ò³Êý¼ÆË㣩
phpÖУºceil(a/b)
javaÖУº(int)Math.ceil((double)a/b)) Math.ceilÔÚjavaÖÐÐèÒª´«ÈëdoubleÐÍ£¬¶ø·µ»ØÒ²ÊÇdoubleÐÍ¡£×¢ÒâÕâÀïÓÃ(double)a/b²Å¿ÉÒÔ¡£
a/b,(dobule)(a/b)¶¼²»ÐС£ÒòΪËûÃÇ»áÏÈ×Ô¶¯ÉáÆúСÊýÈ¡µÃÕûÊý
flooe ......
http://hi.baidu.com/suofang/blog/item/b4190de9846ea53eb80e2d1e.html
Äõ½ÁËÏîÄ¿¿ò¼Ü¹¤³Ì´úÂëȴûÓÐumlͼ£¬ÄÇô·½·¨Ö®¼äµÄµ÷ÓùØÏµ¹¦ÄÜÁ÷ת¾Í²»ÈÝÒ׿´³öÀ´£¬ÄÇôÈçºÎ²úÉúÀàÍ¼ÄØ?
1.н¨Ò»¸öROSE¹¤³Ì£¬Ñ¡ÔñJ2EEÄ£°å,
2.Èçͼ
3.ÔÚ³öÏֵĽçÃæÖУ¬CLASSPATHÖмÓÈëÔ´´úÂëµÄĿ¼£¬¼ÓÈëÖ§³ÖµÄ°ü£¬µã'ADD RECURSIVE'µã ......