在写换肤的时候遇到问题,后端给的皮肤包解压缩之后,如何保存到用户本地沙盒,调用时又如何读取。简单记录一下:
保存图片:
-(void)saveImageDocuments:(UIImage *)image{UIImage *imagesave = image;NSString *path_sandox = NSHomeDirectory();//设置一个图片的存储路径NSString *imagePath = [path_sandox stringByAppendingString:@"/Documents/test.png"];//把图片直接保存到指定的路径[UIImagePNGRepresentation(imagesave) writeToFile:imagePath atomically:YES];
}
读取图片:
-(UIImage *)getDocumentImage{// 读取沙盒路径图片NSString *aPath3=[NSString stringWithFormat:@"%@/Documents/%@.png",NSHomeDirectory(),@"test"];// 拿到沙盒路径图片UIImage *img=[[UIImage alloc]initWithContentsOfFile:aPath3];//返回该图片return img;
}