Objective-C 实现字符串转大写字母算法

完整源码

#import   
 int main(int argc, const char * argv[]) { 
@autoreleasepool { 
NSString *inputString = [[NSString alloc initWithUTF8String:(const char *)argv]; 
NSString *upperString = [inputString uppercaseString]; 
NSLog(@"输入字符串：%@", inputString); 
NSLog(@"转换后的字符串：%@", upperString); 
return 0; 
} 
}