NSString *strDay = [dic objectForKey:@"day"];
NSString *uppercaseString = [strDay uppercaseString];
cell.dayLabel.text = uppercaseString;
NSString *strDay = [dic objectForKey:@"day"];
阅读背景：
我想将UILabel文本“sunday”显示为大写“SUN”
来源：互联网
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