范例入门

1. 工作流

digraph d {	edge[color=red, arrowhead=vee, fontcolor=gray];	node[style=filled, color=gray, fontcolor=dodgerblue2, shape=box]	a[shape=box, label=" 电灯不工作了"];	b[label=" 电源\n接好了吗？", shape=diamond];	d[label=" 灯泡\n烧毁了吗？", shape=diamond];	e[label=" 更换灯泡", rank=same];		c[label=" 接好电源"];	f[label=" 修理电灯"];	// b,c; d f;水平排列	{ rank=same b c}	{ rank=same d f}	a -> b;	b -> d[label=" 是"];	d -> e[label=" 是"];	b -> c[label=" 否"];	d -> f[label=" 否"];}

　　

 

2. UML

digraph c{	node[shape=record, rankdir=RL]	// {rank=same Rental Customer}	rankdir=LR	Movie[label="Movie\m|priceCode: int\l| ", ];	Rental[label="Rental\m|daysRented: int\l|"];	Customer[label="Customer\m| |statement()\l"];	// {rank=same Movie Rental Customer}	Movie -> Rental[dir=back, label="1"];	Rental -> Customer[dir=back, label="2"];}