为学校做的一个大图片展示方案。 实现非常大的图片在浏览器下浏览。 能够放大、缩小、最合适、原始大小浏览 鼠标拖动控制-For schools to do a big picture display program. Achieve very large picture in the browser under the browser. Can enlarge, narrow, the most appropriate and original drag the mouse to co

抓取屏幕中网页的图片：获取WebBrowser控件句柄，获取网页显示区域信息，获取整个网页宽度场景，执行抓图操作-Webpage capture screen picture: get WebBrowser control handle, get Webpage display regional information, get the entire width of Webpage scene, take the screenshot operation

dtree，公认的jsp好用树结构控件 可以直接修改里面的图片、css显示样式(Dtree, recognized JSP good tree structure control You can directly modify the picture inside, CSS display styles)

Snowflakes fall over the picture, which can control the range of snowflakes and the density of the snowflakes