@ page contentType="text/html;charset=gb2312"%>
@ page import="java.sql.*"%>
String result = ""; // 查询结果字符串
String sql = "select * from test"; // SQL 字符串
// 连接字符串,格式: "jdbc:数据库驱动名称:连接模式:@数据库服务器ip:端口号:数据库SID"
String url = "jdbc:oracle:thin:@localhost:1521:orcl";
String username = "scott"; // 用户名
String password = "tiger"; //密码
// 创建oracle数据库驱动实例
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
// 获得与数据库的连接
Connection conn = DriverManager.getConnection(url, username, password);
// 创建执行语句对象
Statement stmt = conn.createStatement();
// 执行sql语句,返回结果集
ResultSet rs = stmt.executeQuery(sql);
while ( rs.next() )
{
result += "\n 第一个字段内容:" + rs.getString(1) + " ";
}
rs.close(); // 关闭结果集
stmt.close(); // 关闭执行语句对象
conn.close(); // 关闭与数据库的连接
%>
=result%>
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.*"%>
String sql = "select * from test";
// 连接字符串,格式: "jdbc:公司名称:数据库驱动名称://数据库服务器ip:端口号;DatabaseName=数据库名称"
String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=pubs";
String username = "scott";
String password = "tiger";
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
Connection conn = DriverManager.getConnection(url, username, password);
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet rs = stmt.executeQuery(sql);
%>
while ( rs.next() )
{
%>
第一个字段内容为:rs.getStrisng(1)%>
}
rs.close();
stmt.close();
conn.close();
%>
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三、jsp连接DB2数据库
testDB2.jsp如下:
@ page contentType="text/html;charset=gb2312"%>
@ page import="java.sql.*"%>
String sql = "select * from test";
// 连接字符串,格式: "jdbc:数据库驱动名称://数据库服务器ip:端口号/数据库名称"
String url = "jdbc:db2://localhost:5000/sample";
String username = "scott";
String password = "tiger";
Class.forName("com.ibm.db2.jdbc.app.DB2Driver").newInstance();
Connection conn = DriverManager.getConnection(url, username, password);
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet rs = stmt.executeQuery(sql);
rs.close();
stmt.close();
conn.close();
%>
|
四、jsp连接Informix数据库
testInformix.jsp如下:
@ page contentType="text/html;charset=gb2312"%>
@ page import="java.sql.*"%>
String sql = "select * from test";
// 连接字符串,格式: "jdbc:数据库驱动名称://数据库服务器ip:端口号/数据库名称:INFORMIXSERVER=服务器名;user=用户名;password=密码"
String url = "jdbc:informix-sqli://123.45.67.89:1533/testDB:INFORMIXSERVER=myserver;user=testuser;password=testpassword";
Class.forName("com.informix.jdbc.IfxDriver").newInstance();
Connection conn = DriverManager.getConnection(url);
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet rs = stmt.executeQuery(sql);
rs.close();
stmt.close();
conn.close();
%>
|
五、jsp连接Sybase数据库
testSybase.jsp如下:
@ page contentType="text/html;charset=gb2312"%>
@ page import="java.sql.*"%>
String sql = "select * from test";
// 连接字符串,格式: "jdbc:公司名称:数据库驱动名称:数据库服务器ip:端口号/数据库名称"
String url = "jdbc:sybase:Tds:localhost:5007/tsdata";
Properties prop = System.getProperties();
prop.put("user", "userid"); // 用户名
prop.put("password", "user_password"); // 密码
Class.forName("com.sybase.jdbc.SybDriver").newInstance();
Connection conn = DriverManager.getConnection(url, prop);
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet rs = stmt.executeQuery(sql);
rs.close();
stmt.close();
conn.close();
%>
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六、jsp连接MySQL数据库
testMySQL.jsp如下:
@ page contentType="text/html;charset=gb2312"%>
@ page import="java.sql.*"%>
String sql = "select * from test";
// 连接字符串,格式: "jdbc:数据库驱动名称://数据库服务器ip/数据库名称?user=用户名&password=密码&使用Unicode=布尔值&字符编码=编码"
String url = "jdbc:mysql://localhost/softforum?user=soft&password=soft1234&useUnicode=true&characterEncoding=8859_1";
String username = "scott";
String password = "tiger";
Class.forName("org.gjt.mm.mysql.Driver").newInstance();
Connection conn = DriverManager.getConnection(url, username, password);
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet rs = stmt.executeQuery(sql);
rs.close();
stmt.close();
conn.close();
%>
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七、jsp连接PostgreSQL数据库
testPostgreSQL.jsp如下:
@ page contentType="text/html;charset=gb2312"%>
@ page import="java.sql.*"%>
String sql = "select * from test";
// 连接字符串,格式: "jdbc:数据库驱动名称://数据库服务器ip/数据库名称"
String url = "jdbc:postgresql://localhost/soft";
String username = "scott";
String password = "tiger";
Class.forName(""org.postgresql.Driver").newInstance();
Connection conn = DriverManager.getConnection(url, username, password);
Statement stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet rs = stmt.executeQuery(sql);
rs.close();
stmt.close();
conn.close();
%>
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轉自:爪哇咖啡館 |
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