C# Dictionary修改遇到的一個錯誤 out of sync!
題目中問題是我批量修改字典的資料時遇到的問題,作為小白真是發現好多東西沒有接觸到啊。
上錯誤程式碼
//foreach (KeyValuePair<string,float> item in dataDic)
//{
// for (int i = 0; i < cars.Length; i++)
// {
// if (cars[i].name.Contains(item.Key))
// {
// dataDic[item.Value.ToString()] = cardatas[i].currentScore;
// break;
// }
// }
//}
錯誤提示
InvalidOperationException: out of sync
System.Collections.Generic.Dictionary`2+Enumerator[System.String,System.Single].VerifyState () (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Collections.Generic/Dictionary.cs:912)
System.Collections.Generic.Dictionary`2+Enumerator[System.String,System.Single].MoveNext () (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Collections.Generic/Dictionary.cs:835)
RaceData.Updatedatas () (at Assets/Scripts/Data/RaceData.cs:164)
RaceData.Update () (at Assets/Scripts/Data/RaceData.cs:80)
網上一頓蒐集資料,說是不能用迭代去修改Dictionary,需要先把字典作為一個Buffer引出來,然後修改Buffer
上程式碼
List<string> buffer = new List<string>(dataDic.Keys);
foreach (string item in buffer)
{
for (int i = 0; i < cars.Length; i++)
{
if (cars[i].name.Contains(item))
{
dataDic[item.ToString()] = cardatas[i].currentScore;
break;
}
}
}
//這樣就好使了,當然還有其他方法修改