[英]MVC Query doesn't fetch all records from the database
數據庫存儲了幾個帳戶:[winnie, winnie9, winnie10],但是當我獲取數據時,查詢只返回一條記錄。 解決辦法是什么?
模型方法:
protected function getApprovedUsers($login) {
$sql = "SELECT `email`, `login`, `name`, `reg_date`, `pass`, `role` FROM `approved` WHERE `login` LIKE ?";
$stmt = $this->connect()->prepare($sql);
$stmt->execute([$login]);
if($users = $stmt->fetchAll())
return $users;
return null;
}
控制器對模型的調用:
public function getCertainApprovedUser($login) {
$users = $this->getApprovedUsers($login);
if(is_array($users) || is_object($users)) {
foreach ($users as $user) {
return array("email"=>$user["email"], "login"=>$user["login"], "pass"=> $user["pass"],
"name"=> $user["name"], "reg_date"=> $user["reg_date"], "role"=> $user["role"]);
}
}
else {
throw new Exception("Nothing to fetch");
}
}
}
處理數據以使 LIKE 語句正常工作 (%%):
$record = $userContr->getCertainApprovedUser("%$login%");
$someJSON = array(
[
"login"=>"{$record['login']}",
"email"=>"{$record['email']}",
"name"=>"{$record['name']}",
"reg_date"=>"{$record['reg_date']}"
]
);
$newJSON = json_encode($someJSON);
echo $newJSON;
在getCertainApprovedUser()
方法中,您將在 foreach 中返回一個值。 這會在第一次迭代時立即中斷循環。
將您的循環更改為:
$result = []; // initialize an empty array
foreach ($users as $user) {
// add a user to that array
$result[] = array("email"=>$user["email"], "login"=>$user["login"], "pass"=> $user["pass"], "name"=> $user["name"], "reg_date"=> $user["reg_date"], "role"=> $user["role"]);
}
// return the array containing the users
return $result;
然后,要構建您的 json,請應用相同的邏輯:
$someJSON = [];
foreach ($record as $user)
{
$someJSON[] = [
"login"=>$user['login'],
"email"=>$user['email'],
"name"=>$user['name'],
"reg_date"=>$user['reg_date']
];
}
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