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我正在Laravel中編寫搜索函數,並且它會拋出以下錯誤:QueryException in Connection.php line 651: SQLSTATE[22018]: [Microsoft][ODBC Driver 11 for SQL Server][SQL Server]Conversion failed when converting the nvarchar value '[]' to data type int. (SQL: select * from Product where pID = [])
。爲什麼Laravel說「將nvarchar值[]'轉換爲數據類型int時出現轉換失敗」
我的控制器,內容如下:
public function productSearch(Request $request){
$searchResult;
if($request->input('category') == 'all'){
$searchResult = Product::where("pCategory", "like", '%')
->where('pName', 'like', $request->input('search'))->get();
}else{
$searchResult = Product::where("pCategory", "like", $request->input('category'))
->where('pName', 'like', $request->input('search'))->get();
}
//dd($searchResult);
return view('products',['products' => $searchResult]);
}
和模型如下:
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Product extends Model
{
protected $table = 'Product';
protected $primaryKey = 'pID';
//
public function orderDetails(){
return $this->hasMany('App\OrderDetail','ProductID','pID');
}
}
我不明白爲什麼它一直這樣做,尤其是因爲我不要求它看看身份證。這裏發生了什麼?
表結構:
CREATE TABLE [dbo].[Product] (
[pID] INT IDENTITY (1, 1) NOT NULL,
[pName] VARCHAR (50) NOT NULL,
[pBrand] VARCHAR (20) NOT NULL,
[pCurrentType] VARCHAR (10) NOT NULL,
[pVoltage] FLOAT (53) NOT NULL,
[pPrice] FLOAT (53) NOT NULL,
[pStock] INT NOT NULL,
[ImagePath] NVARCHAR (500) NULL,
CONSTRAINT [PK_Product] PRIMARY KEY CLUSTERED ([pID] ASC)
);