A.刪除本地保存的所有鍵對(duì)應(yīng)數(shù)據(jù) B.獲取指定鍵對(duì)應(yīng)的int類型數(shù)據(jù) C.獲取指定鍵對(duì)應(yīng)的string類型數(shù)據(jù) D.判斷是否包含指定鍵的數(shù)據(jù)
A.刪除本地保存的所有鍵對(duì)應(yīng)數(shù)據(jù) B.獲取指定鍵對(duì)應(yīng)的int類型數(shù)據(jù) C.獲取指定鍵對(duì)應(yīng)的string類型數(shù)據(jù) D.保存所有設(shè)定的數(shù)據(jù)