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.*"%>

<%

    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();

%>









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();

%>





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();

%>





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();

%>





轉自:爪哇咖啡館

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