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

ÐèÒªÒ»¸öjava¹«¹²µÄתÐÍ·½·¨

public void  castType(String str,String type){
    str ÊÇ ÒÑÖªµÄ×Ö·û´®£¬
    type ÊÇ ²é³öÀ´µÄÐèҪתµÄÀàÐÍ£¬£¨Èç integer»òfloat²»¶¨£©
    µ«È·¶¨str ¾ÍÊÇ Òª×ªµÄ type ÀàÐÍ
    ·½·¨·µ»ØÀàÐÍtypeµÄstrµÄÖµ
}
ÎÒ¿´²»¶®Äã˵µÄÊÇʲô

LZÒâ˼Ӧ¸ÃÊǸù¾Ý´«½øÈ¥Ò»¸ö×Ö·û´®ºÍÒ»¸öÀàÐÍ£¬·½·¨Àï½øÐÐת»»È»ºó·µ»Ø

Èç¹ûÊÇÇ°ÃæÓÐÅжÏSTRÊÇʲôÀàÐÍÔÙ´«ÈëTYPE½øÐÐÏàӦת»»µÄ»°  ·½·¨ÖØÔØÓ¦¸Ã¿ÉÒÔʵÏÖÄãÏëÒªµÄ¹¦ÄÜ¡£



û̫Àí½â£¬ÊÇÕâÑùÂð£¿
Java code:

public static Object castType(String str,String type){
if("Integer".equals(type)){
return Integer.valueOf(str);
}else if("Float".equals(type)){
return Float.valueOf(str);
}
return null;
}



ÀýÈç
public float  castType("19.9",float){
retrun ;
}
public String  castType("fdada",String){
retrun ;
}
LZÊÇÕâ¸öÒâ˼Âð?

ÒýÓÃ
û̫Àí½â£¬ÊÇÕâÑùÂð£¿
Java codepublicstatic Object  castType(String str,String type){if("Integer".equals(type)){return Integer.valueOf(str);
        }elseif("Float".equals(type)){return Float.valueOf(str);
  &nb


Ïà¹ØÎÊ´ð£º

¹ØÓÚjspÂÛ̳ - Java / Web ¿ª·¢

ÎÒÏÖÔÚÏëÓÃsshÕûºÏÀ´×öÒ»¸öÂÛ̳£¬µ«Êý¾Ý¿â·½Ãæ²»ÐУ¬ÎÒÖ÷Òª²»»áÉæ¼°Êý¾Ý¿â£¬²»ÖªµÀ·¢Ìû±í£¬ºÍ»ØÌû±íÒªÈçºÎÉè¼ÆºÍÇø·Ö¡£²»ÖªµÀË­ÓÐÒ»¸ö¼òµ¥µÄ˼·£¬À´Éè¼ÆÕâЩ±í¡£Ð»Ð»ÁË¡£
·¢ÌûºÍ»ØÌûÓÃͬһÕÅ±í ¡£·¢Ìû id user ......

javaÓï·¨ÎÊÌâ - Java / Java EE

import java.io.*;
class FileTest
{
public static void main(String [] args) throws Exception
{

File fDir=new File(File.separator);
String strFile="javaÔ´´úÂë²âÊÔ"+File.separato ......

Java RandomAccessFile дÈëtxtÎļþ - Java / Java SE

ÓÃRandomAccessFileдÈëTXTÎļþ²é¿´Ê±ÊÇÂÒÂ룬ÇëÎÊÓÐʲô·½·¨¿ÉÒÔд³É¿É¶ÁµÄÎļþ£¬²»ÊÇÓÃÆäËûµÄÎļþ²Ù×÷£¬¾ÍÊÇÖ»ÓÃRandomAccessFileµÄ·½·¨ÊÇ·ñ¿ÉÒÔʵÏÖ£¿
Java code:
import java.io.*;
public class RandomAcce ......

ÕÐÆ¸È«Ö°¡¢¼æÖ°JAVA¿ª·¢¹¤³Ì



´ó¼ÒºÃ£¬ÎÒÃǽüÆÚÕÐÆ¸È«Ö°¡¢¼æÖ°¿ª·¢¹¤³Ìʦ£¬È«Ö°¹¤³Ìʦ¹¤×÷µØµãÖ÷ÒªÊÇÉîÛÚ£¬¼æÖ°¹¤³Ìʦ±¾ÈË¿ÉÔÚÉîÛÚ£¬Ò²¿ÉÒÔÔÚÒìµØÍ¨¹ýÔ¶³ÌЭͬ¿ª·¢µÄ·½Ê½¿ªÕ¹¹¤×÷£¬ºÏ×÷·½Ê½¿É¹²Í¬É̶¨¡£


ְλE601£ºJava ¹¤³ÌÊ ......

java³ÌÐòÁ¬½ÓSQlServerµÄÎÊÌâ - Java / Java SE

import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class QueryTest&n ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ