1.在工程目錄下新建工程橋接文件 XXX.pch
2.選擇工程- Build Settings
Prefix Header 中設置 $(SRCROOT)/SwiftDemo.pch
Objective-c Bridging Header $(SRCROOT)/SwiftDemo.pch
3. XXX.pch中
#import <SDWebImage/UIImageView+WebCache.h>
4.在.swift類中使用self.imgViewPic.sd_setImageWithURL(NSURL(string: model.imgModel as String!), placeholderImage: UIImage(named:"test"))
5.run success