java¶ÁÈ¡ÍøÒ³ÐÅÏ¢
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class ReadWebPage {
public static void main(String[] args) {
try {
URL url = new URL("http://www.3158.com/view/dome/lxwm.shtml");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
InputStream is = connection.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String line = "";
while ((line = br.readLine()) != null) {
parse(line);
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
private static void parse(String line) {
// »ñÈ¡ÓÊÏä
Pattern p = Pattern.compile("[\\w[.-]]+@[\\w[.-]]+\\.[\\w]+");
// »ñÈ¡ÊÖ»úºÅÂë
// Pattern p = Pattern.compile("1[3,5]\\d{9}");
Matcher m = p.matcher(line);
while (m.find()) {
System.out.println(m.group());
}
}
}
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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
......
for(int i=0;i<string.length();i++)
{
char x=string.CharAt£¨i£©;
if(Character.isDigit£¨i£©==true){
//xÀàÐÍת»»È»ºóͳ¼Æ
}
}
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String str="200Minute";
String str2="300.25Hour";
String regex="[a-zA-Z]" ......
¸÷ÖÖ²»Í¬µÄJava °æ±¾£¬ÔÚÆäÖ§Ô®µÄºËÐÄÀà±ðº¯Ê½¿âÖ®ÍêÕûÐÔÒÔ¼°ËùÖ§Ô®µÄ Java »ù±¾ÐͱðÕâÁ½¼þÊÂÇéÉ϶¼ÓÐËù²îÒ죬Ҳ¾ÍÊÇ˵£¬²»¹ÜÄú¿ª·¢µÄÊÇÆóÒµËùʹÓõÄJava ³ÌÐò¡¢Ç¶ÈëʽװÖÃÉÏÖ´ÐеÄJava ³ÌÐò¡¢ä¯ÀÀÆ÷ÉÏÖ´ÐеÄApplet £¬»òÊÇÔÚPC ÉÏÖ´ÐеÄÓ¦ÓóÌÐò¡£Äú¶¼±ØÐëÔÚÄúµÄµçÄÔÉÏÏȰ²×° J2SE £¬È»ááÔÙ°²×°¸÷ÖÖ°æ±¾µÄºËÐÄÀà± ......
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1. µÃµ½Ä³¸ö¶ÔÏóµÄÊôÐÔ
1 public Object getProperty(Objec ......
дÁ˸ö¼òµ¥µÄ²âÊÔ´úÂ룬²âÊÔÁËJAVAµÄʱ¼ä¸üе¥Ôª£¬·¢ÏÖcurrentTimeMillisµÄ¸üÐÂÖÜÆÚ´óÔ¼ÊÇ15»ò16ms£¬ËùÒÔ¾«¶ÈÒ²¾ÍÔÚ15ms-16ms,µÍÓÚ15msµÄʱ¼äÊÇÎÞ·¨²âÁ¿³öÀ´µÄ¡£¶ønanoTimeµÄ¸üÐÂÖÜÆÚ´óÔ¼ÔÚ800-1200ÄÉÃë×óÓÒ£¬Òò´ËµÍÓÚ 800nsµÄʱ¼äÎÞ·¨²âÁ¿³öÀ´¡£´úÂëÈçÏ£º
public class JavaTimeWinTest
{
public static void main ......