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Accessing the database encyclopedia in the JSP

Source: Internet
Author: User
Tags datetime db2 informix odbc stmt access database
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js| Access | data | Database One, JSP connection oracle8/8i/9i database (in thin mode)


testoracle.jsp is as follows:


<%@ 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 for the SID of your database


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 ()) {%>


Your first field content is: <%=rs.getstring (1)%>


the contents of your second field are: <%=rs.getstring (2)%>


<%}%>


<%out.print ("Successful database operation, congratulations");%>


<%rs.close ();


Stmt.close ();


Conn.close ();


%>


</body>


</html>











two, JSP connection SQL server7.0/2000 database


testsqlserver.jsp is as follows:


<%@ 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 for your database


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 ()) {%>


Your first field content is: <%=rs.getstring (1)%>


the contents of your second field are: <%=rs.getstring (2)%>


<%}%>


<%out.print ("Successful database operation, congratulations");%>


<%rs.close ();


Stmt.close ();


Conn.close ();


%>


</body>


</html>











three, JSP connection DB2 database


testdb2.jsp is as follows:


<%@ 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 for your database name


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 ()) {%>


Your first field content is: <%=rs.getstring (1)%>


the contents of your second field are: <%=rs.getstring (2)%>


<%}%>


<%out.print ("Successful database operation, congratulations");%>


<%rs.close ();


Stmt.close ();


Conn.close ();


%>


</body>


</html>











Four, JSP connection Informix database


testinformix.jsp is as follows:


<%@ 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 for your database name


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 ()) {%>


Your first field content is: <%=rs.getstring (1)%>


the contents of your second field are: <%=rs.getstring (2)%>


<%}%>


<%out.print ("Successful database operation, congratulations");%>


<%rs.close ();


Stmt.close ();


Conn.close ();


%>


</body>


</html>











Five, JSP connection Access database


<% @page import= "java.sql.*"


import = "java.util.*"


import = "java.io.*"


import= "java.text.*"


contenttype= "text/html; charset=gb2312 "


buffer= "20KB"


%><%! int all,i,m_count;


String Odbcquery;


Connection Odbcconn;


Statement odbcstmt;


ResultSet Odbcrs;


String username,title,content,work,email,url,time,date;


String datetime;


%>


<%


try{


class.forname ("Sun.jdbc.odbc.JdbcOdbcDriver");


}catch (classnotfoundexception e)


{out.print ("driver does not exist");


}


try{


odbcconn = drivermanager.getconnection ("jdbc:odbc:db1");


odbcstmt = Odbcconn.createstatement ();


odbcquery= "SELECT * from book where datetime>2001-4-26 Order by datetime DESC";


odbcrs=odbcstmt.executequery (odbcquery);


int i=0;


while (i<130) Odbcrs.next ();


while (Odbcrs.next ())


{


//*/////////////////////////Display the contents of the database for the debugger is used//


Int II;


try{


try{


for (ii=1;; ii++)


out.print ("<br>cloumn" +ii+ "is:" +odbcrs.getstring (ii));


}catch (NullPointerException e) {


out.print ("with empty pointers");


}


}catch (SQLException e) {


}


}


Odbcrs.close ();


Odbcstmt.close ();


Odbcconn.close ();


}catch (SQLException e)


{out.print (e);


}


%>











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