解决方法 :

有法为此在 SDWebImage: SDWebImage / SDWebImage / UIButton+WebCache.h

导入此文件在您的类：

#import <SDWebImage/UIButton+WebCache.h>

使用此方法的任何一种：

 - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state;
 - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder;
 - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options;
 - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state completed:(SDWebImageCompletedBlock)completedBlock;
 - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder completed:(SDWebImageCompletedBlock)completedBlock;
 - (void)setBackgroundImageWithURL:(NSURL *)url forState:(UIControlState)state placeholderImage:(UIImage *)placeholder options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock;

转载于:https://www.cnblogs.com/-yun/p/7467400.html

原文链接：https://blog.csdn.net/weixin_30342827/article/details/98455434

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