上传时的图像比较

问题描述

用于上传图片时比较图片尺寸范围的代码?当x人在我的网站上上传图片时，应该比较其规格尺寸(与我在代码中使用的最小值，最大值进行比较)，如果不是我的规格，则不应上传.请帮助我.谢谢

Code for comparing range of image dimensions when an image is been uploaded? when x person upload image in my site it should compare its dimensions of my specifications(compare with min,max values which i use in my code)if it not as my specifications it should not upload. Please help me out of this. Thank you

推荐答案

Image img = System.Drawing.Image.FromFile("test.jpg");
    int width = img.Width;
    int height = img.Height;

然后比较宽度和高度，如果它大于固定的宽度和高度抛出错误

then compare width and height and if its greater than fixed width and height throw error

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