package testjdbc;import java.sql.*;
import com.microsoft.jdbc.sqlserver.*;public class sqlServerconnect { public sqlServerconnect() {
}
public Connection getconn(){
Connection conn = null ;
try{
java.sql.DriverManager.registerDriver( new com.microsoft.jdbc.sqlserver.SQLServerDriver());
conn = java.sql.DriverManager.getConnection("jdbc:sqlserver://localhost:1433;DatabaseName=data2","sa","123");
//或者
//conn = java.sql.DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433","data2admin","123");
}catch(SQLException ex){
System.out.println(ex.getMessage());
}
return conn ;
} public static void main(String[] args) {
sqlServerconnect sqlServer1 = new sqlServerconnect();
Connection conn = sqlServer1.getconn();
if(conn == null ){
System.out.println("数据库连接错误!");
return ;
} try{
String strsql = "select * from tt2";
java.sql.PreparedStatement prepstmt = conn.prepareStatement(strsql);
java.sql.ResultSet set = prepstmt.executeQuery();
if(set == null || set.wasNull()){
System.out.println("取得数据错误,或者数据库为空");
}else{
while( set.next()==true){
System.out.print("id1--" + set.getString("id1") );
} } }catch(SQLException ex){
System.out.println(ex.getMessage());
}
}
}
import com.microsoft.jdbc.sqlserver.*;public class sqlServerconnect { public sqlServerconnect() {
}
public Connection getconn(){
Connection conn = null ;
try{
java.sql.DriverManager.registerDriver( new com.microsoft.jdbc.sqlserver.SQLServerDriver());
conn = java.sql.DriverManager.getConnection("jdbc:sqlserver://localhost:1433;DatabaseName=data2","sa","123");
//或者
//conn = java.sql.DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433","data2admin","123");
}catch(SQLException ex){
System.out.println(ex.getMessage());
}
return conn ;
} public static void main(String[] args) {
sqlServerconnect sqlServer1 = new sqlServerconnect();
Connection conn = sqlServer1.getconn();
if(conn == null ){
System.out.println("数据库连接错误!");
return ;
} try{
String strsql = "select * from tt2";
java.sql.PreparedStatement prepstmt = conn.prepareStatement(strsql);
java.sql.ResultSet set = prepstmt.executeQuery();
if(set == null || set.wasNull()){
System.out.println("取得数据错误,或者数据库为空");
}else{
while( set.next()==true){
System.out.print("id1--" + set.getString("id1") );
} } }catch(SQLException ex){
System.out.println(ex.getMessage());
}
}
}
我之前下载了一个Microsoft SQL Server 2000 Driver for JDBC
也安装了,但是这个错误不知道为什么还有
放在tomcat\common\lib下
或在classpath中指一下三个包的路径
一、jsp连接Oracle8/8i/9i数据库(用thin模式)testoracle.jsp如下:
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:orcl";
//orcl为你的数据库的SID
String user="scott";
String password="tiger";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from test";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
您的第一个字段内容为:<%=rs.getString(1)%>
您的第二个字段内容为:<%=rs.getString(2)%>
<%}%>
<%out.print("数据库操作成功,恭喜你");%>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>二、jsp连接Sql Server7.0/2000数据库testsqlserver.jsp如下:
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=pubs";
//pubs为你的数据库的
String user="sa";
String password="";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from test";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
您的第一个字段内容为:<%=rs.getString(1)%>
您的第二个字段内容为:<%=rs.getString(2)%>
<%}%>
<%out.print("数据库操作成功,恭喜你");%>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>三、jsp连接DB2数据库testdb2.jsp如下:
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%Class.forName("com.ibm.db2.jdbc.app.DB2Driver ").newInstance();
String url="jdbc:db2://localhost:5000/sample";
//sample为你的数据库名
String user="admin";
String password="";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from test";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
您的第一个字段内容为:<%=rs.getString(1)%>
您的第二个字段内容为:<%=rs.getString(2)%>
<%}%>
<%out.print("数据库操作成功,恭喜你");%>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>四、jsp连接Informix数据库testinformix.jsp如下:
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%Class.forName("com.informix.jdbc.IfxDriver").newInstance();
String url =
"jdbc:informix-sqli://123.45.67.89:1533/testDB:INFORMIXSERVER=myserver;
user=testuser;password=testpassword";
//testDB为你的数据库名
Connection conn= DriverManager.getConnection(url);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from test";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
您的第一个字段内容为:<%=rs.getString(1)%>
您的第二个字段内容为:<%=rs.getString(2)%>
<%}%>
<%out.print("数据库操作成功,恭喜你");%>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>五、jsp连接Sybase数据库testmysql.jsp如下:
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%Class.forName("com.sybase.jdbc.SybDriver").newInstance();
String url =" jdbc:sybase:Tds:localhost:5007/tsdata";
//tsdata为你的数据库名
Properties sysProps = System.getProperties();
SysProps.put("user","userid");
SysProps.put("password","user_password");
Connection conn= DriverManager.getConnection(url, SysProps);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from test";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
您的第一个字段内容为:<%=rs.getString(1)%>
您的第二个字段内容为:<%=rs.getString(2)%>
<%}%>
<%out.print("数据库操作成功,恭喜你");%>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>六、jsp连接MySQL数据库testmysql.jsp如下:
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%Class.forName("org.gjt.mm.mysql.Driver").newInstance();
String url ="jdbc:mysql://localhost/softforum?user=soft&password=soft1234&useUnicode=true&characterEncoding=8859_1"
//testDB为你的数据库名
Connection conn= DriverManager.getConnection(url);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from test";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
您的第一个字段内容为:<%=rs.getString(1)%>
您的第二个字段内容为:<%=rs.getString(2)%>
<%}%>
<%out.print("数据库操作成功,恭喜你");%>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>七、jsp连接PostgreSQL数据库testmysql.jsp如下:
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%Class.forName("org.postgresql.Driver").newInstance();
String url ="jdbc:postgresql://localhost/soft"
//soft为你的数据库名
String user="myuser";
String password="mypassword";
Connection conn= DriverManager.getConnection(url,user,password);
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from test";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
您的第一个字段内容为:<%=rs.getString(1)%>
您的第二个字段内容为:<%=rs.getString(2)%>
<%}%>
<%out.print("数据库操作成功,恭喜你");%>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>
dd
但是将你的register改用forName怎么不行