jsp实现的简单Weblogic 8.11连接池

2022-07-15 80酷酷网 80kuku.com

　　js|web<% page contentType="text/html;charset=GBK" %>
<% page import= "java.sql.* " %>
<% page import= "javax.sql.* " %>
<% page import= "javax.naming.* "%>
<HTML>
<HEAD>
<TITLE> </TITLE>
<META NAME="Generator" CONTENT="EditPlus2.11">
</HEAD>
<BODY>
<%
// 从weblogic 8 文档抄来
Context ctx = null;
Hashtable ht = new Hashtable();
ht.put(Context.INITIAL_CONTEXT_FACTORY,"weblogic.jndi.WLInitialContextFactory");
ht.put(Context.PROVIDER_URL,"t3://127.0.0.1:7001");
// ht.put(Context.SECURITY_PRINCIPAL, "admin");
// ht.put(Context.SECURITY_CREDENTIALS, "11111111");

Connection conn = null;
Statement stmt = null;
ResultSet rs = null;

try {
ctx = new InitialContext(ht);
DataSource ds = (DataSource)ctx.lookup ("ejbPool");
conn = ds.getConnection();
stmt = conn.createStatement();
stmt.execute("select * from accounts");
rs = stmt.getResultSet();
while ( rs.next()){
out.println( rs.getString(1)+"___");
out.println( rs.getString(2)+"___");
out.println( rs.getString(3)+"
");
}

stmt.close();
stmt=null;
conn.close();
conn=null;

}catch (Exception e) {
out.println("错误 !! ERR !" );
}
finally {

try {
ctx.close();
} catch (Exception e) {
out.println("ctx ERR !" ); }

try {
if (rs != null) rs.close();
} catch (Exception e) {
out.println("rs ERR !" ); }

try {
if (stmt != null) stmt.close();
} catch (Exception e) {
out.println("stmt ERR !" ); }

try {
if (conn != null) conn.close();
} catch (Exception e) {
out.println("conn ERR !" ); }

}
%>
</BODY>
</HTML>