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switch(NSString):
#define CASE(str) if ([__s__ isEqualToString:(str)])
#define SWITCH(s) for (NSString *__s__ = (s); ; )
#define DEFAULT
SWITCH (string) {
CASE (@"AAA") {
break;
}
CASE (@"BBB") {
break;
}
CASE (@"CCC") {
break;
}
DEFAULT {
break;
}
}
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原文地址:http://www.cnblogs.com/dzhs/p/5515205.html