sqlserver 的连接池配置

 <?xml version="1.0" encoding="UTF-8"?>

<!-- $Id: MysqL-ds.xml,v 1.1.2.1 2003/12/12 19:19:56 starksm Exp $ -->
<!--  Datasource config for MysqL using 3.0.9 available from:
http://www.mysql.com/downloads/api-jdbc-stable.html
-->

<datasources>
  <local-tx-datasource>
    <jndi-name>MysqLServer</jndi-name>
    <connection-url>jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=LEDDATA</connection-url>
    <driver-class>com.microsoft.jdbc.sqlserver.sqlServerDriver</driver-class>
<parameter>  
              <name>maxActive</name>  
              <value>20</value>  
          </parameter>  
          <parameter>  
              <name>maxIdle</name>  
              <value>10</value>  
          </parameter>  
          <parameter>  
              <name>maxWait</name>  
              <value>-1</value>       
          </parameter>
    <user-name>sa</user-name>
    <password>guoyin</password>
<min-pool-size>20</min-pool-size>
 <max-pool-size>200</max-pool-size>
  </local-tx-datasource>
</datasources>

 

//java中写入

package com.prg.safety.model.business.LEDScreenSet.datasource;

import java.sql.Connection;
import java.sql.sqlException;
import java.sql.Statement;
import javax.naming.InitialContext;
import javax.sql.DataSource;

public class DataSourceManager {
 public DataSourceManager(){};
 private InitialContext ctx=null;
 private Connection conn=null;
 private DataSource ds=null;
 private Statement stmt=null;
 //datasource
 public boolean DataSourceConnection(String path){  
  try {
   ctx = new InitialContext();
   ds = (DataSource)ctx.lookup("java:/MysqLServer");//这里要和MysqLServer-ds.xml中对应
   if(null!=ds){
    //得到连接
    conn = ds.getConnection();
    if(null!=conn){
     stmt= conn.createStatement();
     String sql = "update PICNAME SET FILENAME='" + path + "'";
     int i = stmt.executeUpdate(sql);
     if(i>0){
      return true;
     }      
    }
   }   
    
  } catch (Exception e) {
   // Todo Auto-generated catch block
   e.printstacktrace();
  } finally{
   if(stmt!=null)      
     stmt=null;
    
   if(conn!=null)    
     conn=null;      
  }
  return false;
 }

}