ios-字体大小适配-runtime.zip

runtime字体大小适配 (void)load{ //获取替换后的类方法 Method newMethod = class_getClassMethod([self class], @selector(adjustFont:)); //获取替换前的类方法 Method method = class_getClassMethod([self class], @selector(systemFontOfSize:)); //然后交换类方法 method_exchangeImplementations(newMethod, method); } (UIFont *)adjustFont:(CGFloat)fontSize{ UIFont *newFont=nil; newFont = [UIFont adjustFont:fontSize * [UIScreen mainScreen].bounds.size.width/YourUIScreen]; return newFont; }