什么，你只是一个MIS编程的人员，你对图形编程不太懂，但有时个又要用到它，我这里提供了常用的函数，每个都有说明的，还有图形转换进度的喔，现成的拿来就可以用的喔。-what you MIS is a programming staff, you do not understand graphical programming, but sometimes months have used it, I am here to provide a