GraphViz 常用属性Inportant AttributesGraph Attributes label=My Graph;Label a graph itself rankdir=LR;Lay the graph out from Left to Right, instead of Top to Bottom rank=same; a, b, c Group nodes together at the same level of a graph splines=line;Force edges to be straight, no curves or angles K=0.6;Used to influence the spring used in the layout, Can be used to push nodes further apart, which is especially useful for twopi and sfdp layoutsVertex Attributes label=Some
