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<Resource name="jdbc/testDB" auth="Container"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/testDB">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>com.microsoft.jdbc.sqlserver.SQLServerDriver</value>
</parameter>
<parameter>
<name>url</name>
<value>jdbc:microsoft:sqlserver://218.246.85.65:1433;DatabaseName=ZCMIS</v
alue>
</parameter>
<parameter>
<name>username</name>
<value>sa</value>
</parameter>
<parameter>
<name>password</name>
<value>sa</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>30</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>10</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>1000</value>
</parameter>
</ResourceParams>
°ÑÏÂÃæµÄ¶«Î÷¼Óµ½web.xmlÖÐ
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jdbc/testDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
ÀàµÄÄÚ²¿ÊµÏÖ
try{
Context initCtx = new InitialContext();
Context ctx = (Context) initCtx.lookup("java:comp/env");
//»ñÈ¡Á¬½Ó³Ø¶ÔÏó
Object obj = (Object) ctx.lookup("jdbc/testDB");
javax.sql.DataSource ds = (javax.sql.DataSource)obj;
Connection conn = ds.getConnection();
}
catch(Exception e)
{
System.out.print(e.toString());
}


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public static String bytes2HexString(byte[] b) {
  String ret = "";
  for (int i = 0; i < b.length; i++) {
   String hex = Integer.toHexString(b[ i ] & 0xFF);
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public class UdpServer
{
private DatagramSocket server;
private DatagramPacket packet;
private byte[] b;
private String str;
public UdpServer()
{
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