在phpMyAdmin中字段读取为0.00,但是当放入数组时,值为空,有没有办法让它显示为“0”?
从我的模特:
$query = $this->db->query("SELECT t1.numberofbets, t1.profit, t2.seven_profit, t3.28profit, user.user_id, username,
PASSWORD , email, balance, user.date_added, activation_code, activated
FROM user
LEFT JOIN (
SELECT user_id, SUM( amount_won ) AS profit, COUNT( tip_id ) AS numberofbets
FROM tip
GROUP BY user_id
) AS t1 ON user.user_id = t1.user_id
LEFT JOIN (
SELECT user_id, SUM( amount_won ) AS seven_profit
FROM tip
WHERE date_settled > '$seven_daystime'
GROUP BY user_id
) AS t2 ON user.user_id = t2.user_id
LEFT JOIN (
SELECT user_id, SUM( amount_won ) AS 28profit
FROM tip
WHERE date_settled > '$twoeight_daystime'
GROUP BY user_id
) AS t3 ON user.user_id = t3.user_id
WHERE activated =1
GROUP BY user.user_id
ORDER BY user.date_added DESC
LIMIT 0 , 30");
return $query->result_array();
数据库中的结果为:seven_profit列提供:'0.00'。 (列是小数类型) 使用print_r($ array),数组看起来像'[seven_profit] => '那里没有价值。
答案 0 :(得分:0)
我现在已经解决了这个问题:
if ($row['fieldname'] == ''){
$row['fieldname'] = 0;
}
由于