我在將WWW字符串數組轉換爲類列表時遇到了一些麻煩。我想要做的是實例化一個預製件,其中包含許多文本元素。 這是基礎類將字符串數組從WWW轉換爲Unity3d中的類列表
public class VehicleIndex : MonoBehaviour
{
public string ID{ get; set;}
public string Make{ get; set;}
public string Model{ get; set;}
public string Year{ get; set;}
public string Mileage{ get; set;}
public VehicleIndex(string id, string make, string model, string year, string mileage)
{
this.ID = id;
this.Make = make;
this.Model = model;
this.Year = year;
this.Mileage = mileage;
}
}
下面是從MySQL數據庫獲取WWW數據的功能
public List<VehicleIndex> VehicleIndexList = new List<VehicleIndex>();
public string[] VehicleStringArray;
public IEnumerator GetAllVehicles()
{
WWW VehicleData = new WWW ("http://localhost/CMVM/LoadVehicle.php");
yield return VehicleData;
Debug.Log (VehicleData.text);
string TheVehicleData = VehicleData.text;
The information comes back just fine.
if(TheVehicleData[TheVehicleData.Length - 1] == '/')
{
TheVehicleData.TrimEnd('/'); Here I'm removing the delimiter
}
string[] results = TheVehicleData.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < results.Length; i++)
{
Debug.Log (results[i]);
}
VehicleStringArray = results; The results go back into an array
VehicleIndexList = VehicleStringArray.Select(sArr => new VehicleIndex
{
ID=VehicleStringArray[0],
Make=VehicleStringArray[1],
Model=VehicleStringArray[2],
Year=VehicleStringArray[3],
Mileage=VehicleStringArray[4]
}).ToList();
}
它看起來像它應該只是工作,它給人的錯誤:類型VehicleIndex' does not contain a constructor that takes
0'論據 我錯過了什麼?我需要爲課堂增添些什麼嗎?一個列表?數組? 感謝您的幫助!對此,我真的非常感激。
ADDITIONAL- 添加對象初始
public VehicleIndex Vi;
然後改變了lambda表達式
VehicleIndexList = VehicleStringArray.Select(sArr => new VehicleIndex
{
Vi.ID==VehicleStringArray[0],
Vi.Make==VehicleStringArray[1],
Vi.Model==VehicleStringArray[2],
Vi.Year==VehicleStringArray[3],
Vi.Mileage==VehicleStringArray[4]
}).ToList();
只有這樣,才能避免紅線是使用雙相等。我不確定這是否正確,因爲它仍然不能正常工作,我猜不是。
那麼,'VehicleIndex'有一個沒有任何參數的構造函數?如果不是,你可以創建一個或在你的'Select'投影中調用一個構造函數。 –
哎呦,貼錯了班。 –