时间锁定

public Text text;
public int year, mouth, day;
void Start() 
{
        /*时间锁定*/
            int yearStr = System.DateTime.Now.Year;
            if(yearStr>year){
                canLoad = false;
            text.text = "过期提示“您的软件关键性文件损坏，请联系您的供应商”";
            }
            int monthStr = System.DateTime.Now.Month;
            if(yearStr==year && monthStr>mouth){
                canLoad = false;
            text.text = "过期提示“您的软件关键性文件损坏，请联系您的供应商”";
            }
            int dayStr = System.DateTime.Now.Day;
            if(yearStr==year && monthStr==mouth && dayStr>day){
                canLoad = false;
            text.text = "过期提示“您的软件关键性文件损坏，请联系您的供应商”";
            }

        if (canLoad)
        {
            AsyncOperation async = Application.LoadLevelAsync("主场景");
            Debug.Log("Loading complete");
        }
}