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它會顯示一個UIAlertView中,當我點擊視圖按鈕
UIAlertView *alert = [[UIAlertView alloc]
initWithTitle: @"Will you?"
message:@"will you go there?"
delegate:self
cancelButtonTitle:@"No"
otherButtonTitles:@"Yes" nil];
我想給兩個選擇兩個按鈕,當我點擊「NO 「按鈕,什麼也不做,只是關閉此alertview,如果我點擊Yes按鈕,這意味着我選擇了一個名爲選擇‘donextthing’,我該怎麼辦?謝謝