一句话处理服务器头像的尺寸
//图片压缩
- (NSData *)imageWithImage:(UIImage*)newImage{
NSData *data=UIImageJPEGRepresentation(newImage, 1.0);
if (data.length>100*1024) {
if (data.length>1024*1024) {//1M以及以上
data=UIImageJPEGRepresentation(newImage, 0.1);
}else if (data.length>512*1024) {//0.5M-1M
data=UIImageJPEGRepresentation(newImage, 0.5);
}else if (data.length>200*1024) {//0.25M-0.5M
data=UIImageJPEGRepresentation(newImage, 0.9);
}
}
return data;
}