dbconn.java

通过Main函数可以查看并解析https网站的安全证书信息

import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLXML;
import java.sql.Statement;


public class DBConn {

    Connection conn; 
    public DBConn() throws SQLException {
    	String userName = "root"; 
    	String userPwd = "123456";
    	conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/Cert_DB", userName, userPwd);
    	}

    public ResultSet getResult(String query) throws SQLException {
        Statement stm = conn.createStatement();
        return stm.executeQuery(query);
    }

    public int execute(String query) throws SQLException {
        Statement stm = conn.createStatement();
        return stm.executeUpdate(query);
    }

    public Statement createStatement() throws SQLException {
        return conn.createStatement();
    }

    public PreparedStatement prepareStatement(String sql) throws SQLException {
        return conn.prepareStatement(sql);
    }

    
    public void close() throws SQLException {
        conn.close();
    }

    public void setReadOnly(boolean readOnly) throws SQLException {
        conn.setReadOnly(readOnly);
    }

    public void rollback() throws SQLException {
        conn.rollback();
    }

    public boolean isValid(int timeout) throws SQLException {
        return conn.isValid(timeout);
    }

    public boolean isReadOnly() throws SQLException {
        return conn.isReadOnly();
    }

    public boolean isClosed() throws SQLException {
        return conn.isClosed();
    }

    public SQLXML createSQLXML() throws SQLException {
        return conn.createSQLXML();
    }

    public NClob createNClob() throws SQLException {
        return conn.createNClob();
    }

    public Clob createClob() throws SQLException {
        return conn.createClob();
    }

    public Blob createBlob() throws SQLException {
        return conn.createBlob();
    }

    public void commit() throws SQLException {
        conn.commit();
    }
    
    

    static {
        try {
            Class.forName("org.gjt.mm.mysql.Driver");
        } catch (ClassNotFoundException classNotFoundException) {
            throw new ExceptionInInitializerError(classNotFoundException);
        }
    }
}