ios [__NSCFNumber range Of Char acter From Set:]:
終止應用程序因爲異常NSInvalid參數異常,緣由:「- - - - - -[__NSCFNumber範圍的字符集合行爲:]:未被選擇器發送到實例。orm
報這個錯的緣由是，返回的是nsnumber型，可是直接用lable。text=字典【@「」】裏面的東西了；這樣寫就會報這個錯，應該寫self.discoundLable.text=[NSString stringWithFormat:@"%@%@",dic[@"discount"],@"折"];。這樣就沒問題了呢string
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