Java知识点之“mysql连接数据库流程”

import java.sql.*;
public class JDBCTest {
public static void main(String[] args){
String driver = "com.mysql.jdbc.Driver";
String url = "jdbc:mysql://127.0.0.1:3306/emenu";
String user = "root";
String password = "root";
try {

// 加载驱动程序
Class.forName(driver);
// 连接数据库
Connection conn = DriverManager.getConnection(url, user, password);
// statement用来执行SQL语句

Statement statement = conn.createStatement();

// 要执行的SQL语句
String sql = "select * from student";
// 结果集
ResultSet rs = statement.executeQuery(sql);

Student s = null;

List<Student> sList = new ArrayList<Student>;

while(rs.next()) {

s = new Student();

s.setId(rs.getLong(1));

s.setName(rs.getString(2));

sList.add(s);

}

}

rs.close();
conn.close();
} catch(ClassNotFoundException e) {
} catch(SQLException e) {
} catch(Exception e) {}