UIImage *image=[UIImage imageNamed:@"xxoo.jpeg"];
NSData *imageData=UIImageJPEGRepresentation(image, 1.f);
CGFloat size=40.f;// kb
CGFloat scale=size/(imageData.length/1024);
NSData *newData=UIImageJPEGRepresentation(image, scale);
把图片压缩到指定大小(kb)
猜你喜欢
转载自wfkbyni.iteye.com/blog/2177327
今日推荐
周排行