db = mysql_connect（" localhost"，" roo t"，""）或die（mysql_error（））;

mysql_select_db（" bulletin"，

db = mysql_connect("localhost", "root", "") or die(mysql_error());
mysql_select_db("bulletin",

db）或die（mysql_error（） ）;

db) or die(mysql_error());

day = date（" Yn-j"）;


//选择查询

day = date("Y-n-j");

//select queries