Question

我想从varchar存储日期（例如12-21-1990）获取日期。我可以使用php explode来获取当前日期，但我想通过mysql获取它。我正在使用这样的查询：

$count=mysql_query("SELECT u.fname, u.lname, u.profile_pic, u.uid, u.bday, f.uid, f.friend_id, f.status FROM friend_list f, users_profile u WHERE f.uid = '$id' AND f.status = '1' AND u.uid = f.friend_id ");

以上查询向我的用户朋友提供了所有详细信息，但我只想获得今天生日那天的朋友deatails。我怎么能这样做？

Answer 1

你可以通过php date函数获取今天的日期，将其分配给变量并检查u.bday。像这样：

$count=$today = date("m-d-Y");

mysql_query("SELECT u.fname, u.lname, u.profile_pic, u.uid, u.bday, f.uid, f.friend_id, f.status FROM friend_list f, users_profile u WHERE f.uid = '$id' AND f.status = '1' AND u.uid = f.friend_id AND u.bday = $today");

Answer 2

我会将bday列数据类型更改为DATE并使用CUREDATE()函数

Answer 3

您只需使用STR_TO_DATE MySQL函数将varchar转换为日期：

$count=mysql_query("SELECT u.fname, u.lname, u.profile_pic, u.uid, u.bday, f.uid, f.friend_id, f.status FROM friend_list f, users_profile u WHERE f.uid = '$id' AND f.status = '1' AND u.uid = f.friend_id AND STR_TO_DATE(u.bday, '%m-%d-%Y')=DATE_FORMAT(CURDATE().'%m-%d-%Y') ");

但我强烈建议您将bday列更改为日期类型。

Answer 4

试试这个：

date_format(your_friend_birthdate,'%Y-%m-%d')=date_format(now(),'%Y-%m-%d')

完整查询： -

    SELECT u.fname, u.lname, u.profile_pic, u.uid, u.bday, f.uid, f.friend_id, f.status FROM 
friend_list f, users_profile u WHERE f.uid = '$id' AND f.status = '1' AND u.uid = f.friend_id 
and month(u.bday)=month(now()) and date(u.bday)=date(now());

或

SELECT u.fname, u.lname, u.profile_pic, u.uid, u.bday, f.uid, f.friend_id, f.status FROM 
    friend_list f, users_profile u WHERE f.uid = '$id' AND f.status = '1' AND u.uid = f.friend_id 
    and month(u.bday)=month(now()) and day(u.bday)=day(now());

Answer 5

SELECT u.fname, u.lname, u.profile_pic, u.uid, u.bday, f.uid, f.friend_id, f.status FROM 
friend_list f, users_profile u WHERE f.uid = '$id' AND f.status = '1' AND u.uid = f.friend_id 
and CAST(CONCAT(SUBSTRING(u.bday,7,11),'/',SUBSTRING( u.bday,1,2 ),'/',SUBSTRING(u.bday,4,2 )) AS DATE) = date_format(now(),'%Y-%m-%d');

Answer 6

你好刚刚找到了解决方案并希望分享它，以便它可以帮助某人。

SELECT u.fname, u.lname, u.profile_pic, u.uid, u.bday, f.uid, f.friend_id, f.status FROM 
    friend_list f, users_profile u WHERE f.uid = '3' AND f.status = '1' AND u.uid = f.friend_id 
      and    DAY(STR_TO_DATE(u.bday, '%m-%d-%y')) = DAY(CURDATE()) AND
    MONTH(STR_TO_DATE(u.bday, '%m-%d-%y')) = MONTH(CURDATE())

从varchar存储日期格式获取朋友生日的日期

6 个答案: