Creation of Oracle Database tables:
CREATE TABLE Log (
Un char (20),
PD Char (25)
)
Tablespace users;
Oracle Configuration in MyEclipse:
1. Guide Jar Package:
Right-click the project name, build path→configure build Path→libraries→add External JARs. →d:\app\asus\product\11.2.0\dbhome_1\jdbc\lib (that is, your Oracle installation path \product ... → Select Ojdbc*.jar (* for the jar package version number in your own file) →ok
You can see the item in the jar package import, displayed in the referenced libraries directory.
2. Open the MyEclipse Database Explorer for the Oracle DB connection configuration.
Right-click on a new→driver template select Oracle (Thin Driver) →driver name:oracledriver→connection URL:jdbc:oracle:thin: @localhost :1521:<database_name> (<database_name> Replace with the name of the database to be connected) →user name: User name to log in to the database →password: corresponding password →add JARs (same as the path and the guide package, choose the same version) →driver classname: This is the add JARs automatically generated, note class.forname () must correspond to here →test driversave→ Show Database Connection successfully established indicates a successful connection. (Can save password convenient next test)
3. Write the connection code, good luck.
logincheck.jsp
<%@ page language= "java" import= "java.util.*,java.sql.*" pageencoding= "UTF-8"%>
<%
String path = Request.getcontextpath ();
String basepath = request.getscheme () + "://" +request.getservername () + ":" +request.getserverport () +path+ "/";
%>
<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" >
<body>
<%
String drivername= "Oracle.jdbc.OracleDriver";
String dburl= "Jdbc:oracle:thin: @localhost: 1521:test";
String username= "System";
String userpwd= "1234";
Connection conn = null;
ResultSet rs = null;
%>
<%
Boolean flag=false;
String user = Request.getparameter ("Usern");
SYSTEM.OUT.PRINTLN (user);
String pass = Request.getparameter ("PASSW");
System.out.println (pass);
try{
Class.forName ("Oracle.jdbc.OracleDriver");
conn = Drivermanager.getconnection ("Jdbc:oracle:thin: @localhost: 1521:test", "System", "1234");
String sql= "SELECT * from Log where un= '" +user+ "' and pd= '" +pass+ "'";
Statement stmt = Conn.createstatement ();
System.out.println ("stmt");
rs = stmt.executequery (SQL);
System.out.println ("RS suc");
if (Rs.next ()) {
SYSTEM.OUT.PRINTLN ("yes");
Flag=true;
}else{
Flag=false;
System.out.println ("no");
}
Rs.close ();
Stmt.close ();
Conn.close ();
}catch (Exception err) {
SYSTEM.OUT.PRINTLN ("error");
}
if (flag) {
%>
<jsp:forward page= "suc.jsp"/>
<%
}else{
%>
<jsp:forward page= "error.jsp"/>
<%
}
%>
</body>
login.jsp (main part only)
<body>
<form action= "logincheck.jsp" method= "POST" >
<table align= "center" >
<tr> <td> user name: <input type= "text" name= "Usern"/></td> </tr>
<tr> <td> Password: <input type= "password" name= "PASSW"/><a href= "find.jsp" > Forgot password? </a> </td></tr>
</table>
</form>
</body>
oracle+myeclipse+jsp Implement simple Login function
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