Tomcat7Tomcat
bitsCN.com
1,mysql-connector-java-5.0.4-bin.jar 放入到 c:/program files/apache software foundation/tomcat 7.0/lib
2，项目的web.xml与tomcat一致
3,tomcat/conj中的context.xml
4，测试：index.jsp
则成功
bitsCN.com
webt3 index.jsp Tomcat 7 DBCP jdbc/mysql5 javax.sql.DataSource Container WEB-INF/web.xml <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ page import="java.sql.*, javax.sql.*, javax.naming.*" %>Insert title here <%Connection conn=null;PreparedStatement stmt=null;ResultSet rs=null;String sql=null;String username=null;String alias=null;String pwd=null;String strMsg=null;try{ Context cxt = new InitialContext(); DataSource ds = (DataSource)cxt.lookup("java:/comp/env/jdbc/mysql5"); conn = ds.getConnection(); sql="SELECT 1 "; stmt=conn.prepareStatement(sql); rs=stmt.executeQuery(sql); if( rs.next() ){ strMsg="连接ok"; out.println("连接ok"); }else{ out.println("rs.next() fail"); } rs.close(); } catch(Exception e){ out.println("连接失败:"+e.getMessage()); //e.printStackTrace();}try{ if(stmt!=null) stmt.close();}catch(Exception e){}try{ if(conn!=null) conn.close();}catch(Exception e){}%>OK,