官方文档

安装完graphviz后，文档在安装目录下，位置如下

E:\Gra2.38\share\graphviz\doc\html

中文乱码解决

将文件保存为utf-8编码

fontname="宋体";

dot语言语法

https://blog.csdn.net/jy692405180/article/details/52077979

https://blog.csdn.net/sd10086/article/details/52979462/

demo

有向图

digraph graph1{ //digraph-> graph--
label="this is a graph";
a[shape="box"];
b[shape="doublecircle"];
i[style="filled"];
ii[style="dotted",fontcolor="red"];
iii[style="solid"];
iiii[style="dashed"];
iiiii[style="bold"];
iiiiii[style="invis"];
aa[style="filled",fillcolor="green"];//The premise of using "fillcolor" is that "style" is "filled"
aaa[style="bold",color="blue"];
bb[width=,hight=];

edge \[style="dotted"\];        //node\[\] and edge\[\] are works for everything after that  
a->i;

graph\[bgcolor="lightskyblue"\];  
rankdir="TB";            //LR RL TB BT  
//rotate=90;

subgraph  cluster\_sgh{            //subgraph顧﹍uster  
label="this is a subgraph";  
bgcolor=yellow;  
rankdir="LR";

c\[shape="egg",label="this is node c"\];  
d\[label="this is node d"\];  
}

subgraph  cluster\_sgh2{  
fontname="FangSong";                //鐎涙ぞ缍  
label="input chinese";  
bgcolor=blue;  
e;f;  
e->f;  
}

subgraph  cluster\_sgh3{  
fontname="SimHei";                //姒涙垳缍  
label="youkan input chinese";  
bgcolor=red;  
g;h;  
h->h;  
}

/*
table1 [label=<

1	2
3	4

];

*/

example [ shape = record, label = "{cell1 | cell2 | cell3}" ];

node [shape=record];
edge [style="bold"];
table1 [label="{cell1|cell2|a}"];
table2 [label="{b|c|d|e}"];
table1:head->table2:head;

}

无向图

graph graph1{
label="this is a graph";
a;b;
a--b;
}

二叉树

digraph g {
node [shape="record", height=.];
node0[label=" | G|"];
node1[label=" | E|"];
node2[label=" | B|"];
node0:f0 -> node1:f1;
node0:f2 -> node2:f1;
}

二叉树2

digraph edge_settings {
A -> B [color = "black", label = 0];
B -> D [color = "black", label = 0];
A -> C [color = "black", label = 1];
B -> E [color = "black", label = 1];
C -> F [color = "black", label = 0];
C -> G [color = "black", label = 1];

D -> H \[color = "black", label = 0\];  
D -> I \[color = "black", label = 1\];  
E -> J \[color = "black", label = 0\];  
E -> K \[color = "black", label = 1\];

F -> L \[color = "black", label = 0\];  
F -> M \[color = "black", label = 1\];  
G -> N \[color = "black", label = 0\];  
G -> O \[color = "black", label = 1\];

}

横竖排

digraph g{
node[shape="record"];
a[label="{a|b|c}"]; //vertical column
b[label="a|b|c"]; //horizontal

}

时序图

digraph g {
rankdir="LR";
{
rank="same";
a0 -> a1 -> a2;
}
{
rank="same";
b0 -> b1 -> b2;
}
a1 -> b1;
}