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JAVA ÅÀÍøÒ³ÓÃ ÀýÈç:http://www.126.com

/*
Function name: myGetHttpFile2
Description: ÅÀÍøÒ³ÓÃ
Input: URL ÀýÈç:http://www.126.com
Output: ×Ö·û´®,ÍøÒ³µÄHTML
*/
public String myGetHttpFile2(String url){
String authentication=null;
ArrayList al=new ArrayList();
String PageURL = url;
PageURL = url ;
ArrayList urlCollection=new ArrayList();
Hashtable ht=new Hashtable();
//´úÀí£¬Èç¹ûÒª´©¹ý´úÀí½«ÏÂÃæ×¢ÊÍÈ¡Ïû
//ht=System.getProperties();
//authentication = "Basic " + new sun.misc.BASE64Encoder().encode("´úÀíµÄÓû§:´úÀíµÄÃÜÂë".getBytes());
//ht.put("proxySet", "true");
//ht.put("proxyHost", "172.16.20.2");
//ht.put("proxyPort", "80");

String urlSource=PageURL;
StringBuffer htmlBuffer=new StringBuffer();
String returnStr=null;
int codeStart=0;
int codeEnd=0;
int linkCount=0;

String getURL=null;
String realURL=null;
String urlText=null;
int from=0;
int lenURL=0;
int firstLink=0;
int endLink=0;
boolean isNewsLink=false;

try
{
URL su = new URL (urlSource);
URLConnection conn = su.openConnection();
//conn.setRequestProperty("Proxy-Authorization", authentication);

InputStream imageSource=new URL(urlSource).openStream();
int ch;
while((ch=imageSource.read())>-1)
{
htmlBuffer.append((char)ch);
}
imageSource.close();
returnStr= new String(htmlBuffer);
returnStr=new String(returnStr.getBytes("ISO8859_1"),"GBK");
}
catch(Exception e)
{
}

if(returnStr!=null){
return returnStr ;
}else{
return "empty" ;
}

}



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javaÉè¼ÆÄ£Ê½Ñ§Ï°1£­£­Singleton Pattern

javaÉè¼ÆÄ£Ê½Ñ§Ï°1£­£­Singleton Pattern
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1. HttpSession session = request.getSession() 
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getSession(true)µÄº¯ÊýÔ­ÐÍΪ:£ºHttpSession session = request.getSession (Boolean create) 
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java web±ÊÊÔ


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ArrayListÖеÄÊý¾ÝÅÅÐò java¶ÔÏóÅÅÐò

³£³£Óöµ½Êý×éÅÅÐòµÄÎÊÌâ.±ÈÈçÎÒÓÐÒ»¸öPersonÀà,ËüµÄʵÀý¶ÔÏó´æ´¢ÔÚArrayListÊý×éÖÐ,ÏÖÔÚÒª°ÑArrayListÊý×éÖеÄPerson¶ÔÏó°´ÕÕÄêÁäÅÅÐò.
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public class Person{
String name;
int age;
public Person(String name,int age){ ......

JAVAÊý¾Ý¿âÁ¬½Ó´óÈ«

1¡¢Oracle8/8i/9iÊý¾Ý¿â£¨thinģʽ£©
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:orcl"; //orclΪÊý¾Ý¿âµÄSID
String user="test";
String password="test";
Connection conn= DriverManager.getConnection(url,user,password);
 
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