iphone--将UIView的内容转化为UIImage

//将UIView转成UIImage

-(UIImage *)getImageFromView:(UIView *)theView

{

//UIGraphicsBeginImageContext(theView.bounds.size);

UIGraphicsBeginImageContextWithOptions(theView.bounds.size,YES, theView.layer.contentsScale);

[theView.layerrenderInContext:UIGraphicsGetCurrentContext()];

UIImage *image=UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext();

return image;

}