本着实用性的原创,去除JDBC一些深入的东西。只是为了一个很好复习和或者入门,一个总结。
public class TestJDBC {
private static Connection connection = null;
public static void main(String[] args) throws ClassNotFoundException, SQLException {
connection = getConnection();
Statement statement = connection.createStatement();
//建表
//statement.execute("create table mytable(id integer,name varchar(20),password varchar(20))");
//插入数据
//statement.execute("insert into mytable values(1,'name','name')");
//更新
//statement.execute("update mytable set name='lll' where id=1");
//查询表内容
/*
ResultSet set = statement.executeQuery("select * from mytable");
ResultSetMetaData meta = set.getMetaData();
while(set.next()){
for(int i=1;i<=meta.getColumnCount();i++){
Object o = set.getString(i);
System.out.print(o+" ");
}
System.out.println();
}*/
//删除
//statement.execute("delete from mytable where id=1");
//删除表
//statement.execute("drop table mytable");
statement.close();
connection.close();
}
public static Connection getConnection() throws ClassNotFoundException, SQLException {
Class.forName("com.mysql.jdbc.Driver");
return DriverManager.getConnection("jdbc:mysql://localhost:3306/Test","root","");
}
}