QCustomPlot 是一个超强超小巧的qt绘图类，非常漂亮，非常易用，只需要加入一个qcustomplot.h和qcustomplot.cpp文件即可使用，远比qwt方便和漂亮，可以自己使用两个源文件也可以自己编译成库文件，非常方便。-QCustomPlot is a super-ultra-compact qt drawing class, very beautiful, very easy to use, only need to add a qcustomplot.h and qcustomplot.cpp file to use, convenient and beautiful than qwt, you can use two source files have their own library files can be compiled into their own, very convenient.