ios通过URL地址，从网络上获取图片

 -(UIImage *) getImageFromURL:(NSString *)fileURL {

NSLog(@"执行图片下载函数");

UIImage * result;

NSData * data = [NSData dataWithContentsOfURL:[NSURL URLWithString:fileURL]];

result = [UIImage imageWithData:data];

return result;

} -(UIImage *) getImageFromURL:(NSString *)fileURL {

NSLog(@"执行图片下载函数");

UIImage * result;

NSData * data = [NSData dataWithContentsOfURL:[NSURL URLWithString:fileURL]];

result = [UIImage imageWithData:data];

return result;

}