Java调用Oracle示例-优快云博客

本文链接：https://blog.youkuaiyun.com/stevenbill/article/details/83854643


package com.java.to.oracle;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class CallOracle {

	public static void main(String args[]){
		try{
			Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
			Connection conn=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl","system","orcl");
			Statement stmt=conn.createStatement();
			ResultSet rs= stmt.executeQuery("select * from testoracle");
			while(rs.next()){
				System.out.println(rs.getString("username"));

			}
		}catch(Exception e){
			e.printStackTrace();
		}

	}

}

JSP连接ORACLE



<%@ page language="java" contentType="text/html; charset=GB2312"
    pageEncoding="GB2312"%>
<%@ page import="java.sql.*" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB2312">
<title>Insert title here</title>
</head>
<body>


    以下是从MySQL数据库读取的数据：</hr>  
    <%  
        Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();  
        Connection con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl","system","orcl");  
        Statement stmt = con.createStatement();  
        ResultSet rs = stmt.executeQuery("select * from testoracle");  

          out.print("<table border=2>");  
          out.print("<tr>");  
           out.print("<th width=100>"+"雇员号");  
           out.print("<th width=100>"+"姓名");  

           out.print("</tr>");  
           while(rs.next()){  
               out.print("<tr>");  
               out.print("<td>"+rs.getString("username")+"</td>");  
               out.print("<td>"+rs.getString("password")+"</td>");  

               out.print("</tr>");  
           }  
           out.print("</table");  
           stmt.close();  
           con.close();  
   %>  

</body>
</html>

JAVA连接ORACLE