该文件在获取文件目录的基础上，实现文件读取和批量绘图，并将绘制图片保存在某个目录下，可以实现几千个图文件的生成和批量查阅。-On the basis of the file to get the file directory on the realization of the batch file reads and drawing, and draw a picture stored in a directory, you can achieve generate thousands of drawing files and batch access.