day33-3用java的jdbc删除数据库中表的内容

package zuoye;

import zuoye.zuoye;

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

public class text2 {
    public static void main(String[] args) {
        Connection conn =null;
        PreparedStatement pre =null;
        try {
            conn = zuoye.getConnection();
            String s="delete from emp where id=1020";
            pre = conn.prepareStatement(s);
            int i = pre.executeUpdate();
            if(i>0){
                System.out.println("删除成功");
            }else{
                System.out.println("删除失败");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }finally {
            zuoye.a(conn,pre);
        }
    }
}