* 鍒涘緩鏃ユ湡 2005-4-26
*
* TODO 瑕佹洿鏀規鐢熸垚鐨勬枃浠剁殑妯℃澘錛岃杞嚦
* 紿楀彛 錛?棣栭夐」 錛?Java 錛?浠ｇ爜鏍峰紡 錛?浠ｇ爜妯℃澘
*/
package com.xionglian.util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author xl
*
*/
public class Database
{
/** method */
//****************************************************
/**
* getConnection()
* @return Connection
*/
public static Connection getConnection() throws Exception
{
String driver="com.microsoft.jdbc.sqlserver.SQLServerDriver";
String dbUrl="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=ATM";
String dbUser="sa";
String dbPassword="37360379";
Connection conn=null;
try
{
Class.forName(driver);
conn=DriverManager.getConnection(dbUrl,dbUser,dbPassword);
}
catch(Exception e)
{
e.printStackTrace();
}
return conn;
}
//**********************************************************
/**
* closeConnection()
*/
public static void closeConnection(Connection conn) throws Exception
{
if(conn!=null)
{
conn.close();
}
}
//************************************************************
/**
* executeUpdate()
* @return int
*/
public static int executeUpdate(String sql) throws Exception
{
int count=0;
Connection conn=null;
Statement stmt=null;
try
{
conn=getConnection();
stmt=conn.createStatement();
count=stmt.executeUpdate(sql);
}
catch(Exception e)
{
e.printStackTrace();
}
finally
{
closeConnection(conn);
}
return count;
}
//***************************************************************
/**
* executeQuery()
* @return List
*/
public static List executeQuery(String sql) throws Exception
{
List list=new ArrayList();
Connection conn=null;
Statement stmt=null;
ResultSet rs=null;
try
{
conn=getConnection();
stmt=conn.createStatement();
rs=stmt.executeQuery(sql);
ResultSetMetaData rsmd=rs.getMetaData();
while(rs.next())
{
Map map=new HashMap();
for(int i=1;i<=rsmd.getColumnCount();i++)
{
map.put(rsmd.getColumnName(i),rs.getObject(i));
}
list.add(map);
}
}
catch(Exception e)
{
e.printStackTrace();
}
finally
{
if(rs!=null)
{
rs.close();
}
closeConnection(conn);
}
return list;
}
/**
* 浠庢煡璇㈢粨鏋淟ist涓彇鍊?鍏朵腑i涓篖ist涓殑絎琲鏉¤褰?BR> * @param list
* @param column_name
* @param i
* @return
*/
public static String getValues(List list,String column_name,int i)
{
try
{
return ((Map)list.get(i)).get(column_name).toString();
}
catch(Exception e)
{
e.printStackTrace();
}
return "";
}
/**
* 浠庢煡璇㈢粨鏋淟ist涓彇鍊?姝ゅ嚱鏁伴傚悎浜庢煡璇㈢粨鏋滃彧鏈変竴鏉＄殑鎯呭喌,姝や負i鍊間負0鐨勭壒孌婃儏鍐?BR> * @param list
* @param column_name
* @return
*/
public static String getValues(List list,String column_name)
{
try
{
return ((Map)list.get(0)).get(column_name).toString();
}
catch(Exception e)
{
e.printStackTrace();
}
return "";
}
}
////1.瀵逛簬insert, update, delete璇彞int count = DbWrapper.executeUpdate(sql);
////2.瀵逛簬selete璇彞
//java.util.List list = DbWrapper.executeQuery(sql);
////鏂規硶涓:鎸夊悕瀛楀彇鍊鹼紝娉ㄦ剰澶у皬鍐欐槸涓ユ牸鍖哄垎鐨?BR>//for ( int i = 0; i < list.size(); i++ )
//{
// java.util.Map map = (java.util.Map)list.get(i);
// out.println(map.get("column_name").toString());
//}
////鏂規硶浜岋細閬嶅巻鍙栧?BR>//for ( int i = 0; i < list.size(); i++ )
//{
// java.util.Map map = (java.util.Map)list.get(i);
// for (java.util.Iterator it = map.keySet().iterator(); it.hasNext();)
// {
// String column_name = it.next().toString()); // 鍙栧兼椂娉ㄦ剰null鍒ゆ柇
// out.println(column_name + " = " + map.get(column_name) == null ? "" : map.get(column_name).toString());
// }
//}
濡傛灉鍙槸瀵筂sSql鎰熷叴瓚ｅ彲浠ョ収鎶勮繖綃囩煭鏂囷紝濡傛灉鎯抽厤緗叾浠栨暟鎹簱綾誨瀷鐨勮繛鎺ユ睜錛屼篃鍙互鍋氱畝鍗曚慨鏀瑰弬鏁板嵆鍙嬌鐢ㄣ?
1銆?nbsp; 浣跨敤Tomcat鐨刉eb綆＄悊搴旂敤閰嶇疆鏁版嵁婧?/P>
鍚姩Tomcat鏈嶅姟鍣紝鎵撳紑嫻忚鍣紝杈撳叆http://localhost:8080/admin/錛堝叾涓璴ocalhost鍙兘鏄竴鍙版満鍣ㄧ殑IP鎴栨槸鏈嶅姟鍣ㄥ悕縐幫級錛岃繘鍏ョ鐞嗙晫闈㈢殑鐧婚檰欏甸潰錛岃繖鏃跺欒杈撳叆鍘熸潵瀹夎鏃惰姹傝緭鍏ョ殑鐢ㄦ埛鍚嶅拰瀵嗙爜錛岀櫥闄嗗埌綆＄悊鐣岄潰錛?/P>
**********************************************************************************
閫夋嫨Resources錛岲ata sources榪涘叆閰嶇疆鏁版嵁婧愮晫闈紝閫夋嫨Data Source Actions 錛?gt;閫夋嫨Create New Data Source,榪涘叆閰嶇疆璇︾粏淇℃伅鐣岄潰錛屽唴瀹瑰涓嬶細
***********************************************************************************
JNDI Name: jdbc/mssql
Data Source URL: jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=FileManagerMent
JDBC Driver Class: com.microsoft.jdbc.sqlserver.SQLServerDriver
User Name: sa
Password: 37360379
Max. Active Connections: 4
Max. Idle Connections: 2
Max. Wait for Connection: 5000
Validation Query:
瑕佹眰杈撳叆鐨凧NDI Name絳変俊鎭紝鍏朵腑闄や簡JDBC DriverClass涔嬪錛屽叾浠栫殑鍙互鏍規嵁浣犵殑闇瑕佸～鍐欍傛瘮濡侱ata Source URL鐨勫唴瀹瑰彲鑳芥槸錛歫dbc:mysql:// IP鎴栨槸鍚嶇О/DataBaseName錛屽叾涓璂ataBaseName鏄綘鐨勬暟鎹簱鍚嶇О錛孖P鏄綘鐨勬暟鎹簱鐨勬墍鍦ㄧ殑鏈嶅姟鍣ㄧ殑IP鎴栨槸鍚嶇О銆傛渶鍚庣偣鍑籗ave錛?gt;Commit Change.榪欐牱浣犵殑鏁版嵁婧愮殑鍩烘湰璧勬枡閰嶇疆涓鍗婁簡銆?/P>
2銆?nbsp; web.xml鍜?TOMCAT_HOME%\conf\Catalina\localhost涓嬪搴斾綘鐨勫紩鐢ㄧ殑閰嶇疆鏂囦歡淇敼
閫氳繃鏂囦歡澶瑰鑸埌%TOMCAT_HOME%\conf錛屾墦寮web.xml,鍦?lt;/web-app>鐨勫墠闈㈡坊鍔犱互涓嬪唴瀹癸細
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jdbc/mssql</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
娉ㄦ剰res-ref-name濉啓鐨勫唴瀹硅涓庡湪涓婃枃鎻愬埌鐨凧NDI Name鍚嶇О涓鑷淬?
閫氳繃鏂囦歡澶瑰鑸埌%TOMCAT_HOME%\conf\Catalina\localhost涓嬶紝鎵懼埌浣犵殑web搴旂敤瀵瑰簲鐨?xml鏂囦歡錛屽 ROOT.xml錛屽茍鍦ㄦ鏂囦歡鐨勪笅娣誨叆浠ｇ爜錛?/P>
<ResourceLink name="jdbc/mssql" global="jdbc/mssql" type="javax.sql.DataSourcer"/>
鍒拌繖閲岋紝閰嶇疆宸ヤ綔灝卞熀鏈畬鎴愪簡銆?/P>
3銆?nbsp; 鍏朵粬娉ㄦ剰浜嬮」
鍒繕浜咼DBC椹卞姩紼嬪簭.jar涓瀹氳鏀劇疆鍒癟omcat鐨勫搴旂洰褰?浣犵殑JDBC椹卞姩鍙兘鐗堟瘮絎旇呴珮錛屼笉榪囧彧瑕佽兘涓庢墍浣跨敤鐨凪sSql瀵瑰簲灝卞彲浠ヤ簡錛屽緩璁斁緗湪%TOMCAT_HOME%\common\lib鍜屽簲鐢ㄧ殑WEB-INF\lib涓嬨備袱鑰呮湁浠涔堜笉鍚屽憿錛熷叾瀹炰竴鐪嬪氨鏄庣櫧浜嗭紝common\li鏄墍鏈夌殑搴旂敤閮藉彲浠ヤ嬌鐢ㄧ殑搴撴枃浠朵綅緗?/P>
閲嶅惎浣犵殑Tomcat鏈嶅姟銆?/P>
4銆?nbsp; 緙栧啓嫻嬭瘯浠ｇ爜
鍦ㄥ簲鐢ㄧ殑鐩綍涓嬪緩绔嬩竴涓猅est.jsp鏂囦歡錛屼唬鐮佸涓嬶細
<!doctype html public "-//w3c//dtd html 4.0 transitional//en"
"
<%@ page import="java.sql.*"%> <html> </head> 榪愯緇撴灉錛?BR>鍦ㄦ帶鍒跺彴浼氱湅鍒頒綘鎯寵鐪嬪埌鐨勭粨鏋溿?/P>
5銆?nbsp; 鎬葷粨 閰嶇疆榪囩▼鍙婂叾綆鍗曟槑浜嗭紝榪欎簺閰嶇疆鍏嶉櫎浜嗕互寰寮鍙戜漢鍛樿嚜宸卞姩鎵嬪啓鏁版嵁婧愯繛鎺ユ睜鐨勭棝鑻︼紝榪欎篃鏄寮鍙戣繃紼嬬殑鏈夊姏鏀寔銆?BR>
<%@ page import="javax.sql.*"%>
<%@ page import="javax.naming.*"%>
<%@ page session="false" %>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title></title>
<%
DataSource ds = null;
try{
InitialContext ctx=new InitialContext();
ds=(DataSource)ctx.lookup("java:comp/env/jdbc/mssql");
Connection conn = ds.getConnection();
Statement stmt = conn.createStatement();
String strSql = " select * from users";
ResultSet rs = stmt.executeQuery(strSql);
while(rs.next())
{
out.print(rs.getString(1));
}
}
catch(Exception e)
{
e.printStackTrace();
}
%>
<body>
</body>
</html>
鏈枃鍙傝冧簡錛丣ava Blog涓婄殑2綃囨枃绔狅紝鍙戠幇涓涓棶棰橈紝鏈夊緟鑰冪┒銆傚師鏂囪繛鎺ュ涓嬶細
http://blog.csdn.net/arielxp/archive/2004/09/28/119550.aspx
http://blog.csdn.net/arielxp/archive/2004/10/04/124557.aspx
闂濡備笅錛?BR>姝ゆ枃涓?******姣旇緝閲岄潰鐨勫唴瀹瑰鏋滄敼涓哄涓嬶細
*************************************************************************
Tomcat Server>>>Service>>>Host>>>浣犵殑Webapp鐨凜ontext>>>Resources>>>Data Sources
***************************************************************************
鏄惁鐪熺殑鍙互瀹屽叏鐪佺暐絎?姝ョ殑鎿嶄綔錛?IMG height=19 src="http://m.tkk7.com/Emoticons/omg_smile.gif" width=19 border=0>鎹㈠彞璇濊錛岃繖縐嶅彲瑙嗗寲鎿嶄綔鑳借嚜鍔ㄥ畬鎴愮浜屾錛?/P>