Myeclipse连接数据库删除数据库(JDBC)

Posted 2020-10-06 烟花盛典

package com.test.jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

public class Test4 {

    public static void main(String[] args) {
        try {
            findPc();
        } catch (Exception e) {
            // TODO 自动生成的 catch 块
            e.printStackTrace();
        }
    }
    public static void findPc() throws Exception{
        //加载驱动
        Class.forName("oracle.jdbc.driver.OracleDriver");
        //获取连接
        String url = "jdbc:oracle:thin:@localhost:1521:XE";
        String user = "orac";
        String password = "123456";
        Connection conn = DriverManager.getConnection(url, user, password);
        //获取执行对象
        String sqlStr = "delete from pc where pname=‘k665‘";
        PreparedStatement pst = conn.prepareStatement(sqlStr);
        //调用方法处理,获取结果
        int num = pst.executeUpdate();
        //处理结果
        if(num>0)
            System.out.println("删除成功");
        else
            System.out.println("删除失败");
        //关闭
        pst.close();
        conn.close();
    }
}