搜索列中的單個單詞

Question

我想從列類別的4個單詞中提取一個單詞。例如，我搜索自助餐，並且自助餐廳將顯示餐廳。這是我的代碼到目前爲止，不幸的是它不工作。

的HomeController

public function searchresto(){ 

    $searchinfo = $_POST['searchinfo']; 

    $this->load->model('RestoModel'); 
    $restaurantinfo['restaurantinfo']=$this->RestoModel>searchRestaurant($searchinfo); 

    $this->load->view('pages/searchDisplay',$restaurantinfo); 
} 

RestoModel

public function searchRestaurant($searchinfo){ 

    $sql = "SELECT * FROM restaurants WHERE restoname = '$searchinfo' OR restocuisines = '$searchinfo' OR category = '$searchinfo'"; 
    $result = $this->db->query($sql); 
    $result = $result->result('array'); 

    return $result; 
} 

Answer 1

首先，消毒的用戶輸入。從不直接從用戶輸入查詢數據庫，因爲這可能會導致SQL Injection.

在對用戶輸入進行sanatizing後，嘗試使用LIKE函數。

例如：

SELECT 'Breakfast, Lunch, Dinner, Buffet, Snack' LIKE '%Lunch%'將輸出1

SELECT 'Breakfast, Lunch, Dinner, Buffet, Snack' LIKE '%NonExistantCategory%'將輸出0

---

試着改變你的查詢SELECT * FROM restaurants WHERE category LIKE '%$searchinfoSanatized%'，其中$searchinfoSanatized是已被過濾輸入/逃脫。

而且，我相信你忘記RestoModel後-：$restaurantinfo['restaurantinfo']=$this->RestoModel>searchRestaurant($searchinfo);