实现图像的基本处理（包括色彩变化、腐蚀膨胀、二值化、放大缩小等各种操作）及显示，数据库操作等（将图片存在数据库中）-To realize the basic image processing (including color change, corrosion expansion, binarization, zoom in on various operations) and display, operations, etc (image will exist in the )