ʹÓÃJava±àдTelnet¿Í»§¶Ë
ʹÓÃJava±àдTelnet¿Í»§¶Ë
2009-12-24
Kagula
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[1]Eclipse3.4.2
[2]JDK 1.6.x
[3] jta26.jar
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http://javassh.org/space/start
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Ä£ÄâÒÔÏÂTelnet¿Í»§¶Ë¶¯×÷
Step1:
WindowsµÄ¿ØÖÆÌ¨ÏÂÊäÈëtelnet localhost 5554
Step2:
µÇÈëTelnetºó£¬ÊäÈëÏÂÃæµÄÃüÁî
sms send +10086 Hello,World!
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import de.mud.telnet.TelnetWrapper;
public class testTelnet {
public static void ToTelnet(String strMessage)
{
TelnetWrapper telnet = new TelnetWrapper();
try {
telnet.connect("localhost", 5554);
telnet.send(strMessage);
} catch(java.io.IOException e) {
e.printStackTrace();
}
}
public static void main(String args[])
{
String strMessage="sms send +10086 Hello,World!";
ToTelnet(strMessage);
}
}
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http://javassh.org/download/2.0/doc/source/de/mud/telnet/TelnetWrapper.html
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Map map = new HashMap();
Iterator it = map.entrySet().iterator();
while (it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
Object key = e ......
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
public class ConvertMapToList {
/**
* ʵÏÖ½«HashMapת»»³ÉΪArrayList£¬²¢½«mapµÄKey ¡¢Value·Ö± ......
Caused by: java.sql.SQLException: ORA-00918: column ambiguously defined
Caused by: com.ibatis.common.jdbc.exception.NestedSQLException:
--- The error occurred in com/ibatis/jpetstore/persistence/sqlmapdao/sql/Item.xml.
--- The error occurred while applying a parameter map.&nbs ......
1. Ê×ÏÈString²»ÊôÓÚ8ÖÖ»ù±¾Êý¾ÝÀàÐÍ£¬StringÊÇÒ»¸ö¶ÔÏó¡£
¡¡¡¡ÒòΪ¶ÔÏóµÄĬÈÏÖµÊÇnull£¬ËùÒÔStringµÄĬÈÏÖµÒ²ÊÇnull£»µ«ËüÓÖÊÇÒ»ÖÖÌØÊâµÄ¶ÔÏó£¬ÓÐÆäËü¶ÔÏóûÓеÄÒ»Ð©ÌØÐÔ¡£
¡¡¡¡2. new String()ºÍnew String(“”)¶¼ÊÇÉêÃ÷Ò»¸öеĿÕ×Ö·û´®£¬Êǿմ®²»ÊÇnull£»
¡¡¡¡3. String str=”kvill”£»
......
JavaÖÐÁ¬½ÓÊý¾ÝµÄHibernate
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hibernate.cfg.xml
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.s ......