如何在SVG文件中定义颜色?
@H_502_4@<?xml version="1.0"?> <svg width="704" height="702" xmlns="http://www.w3.org/2000/svg"> <defs> <!-- define mycolor=red --> </defs> <!-- use mycolor as fill --> <rect x="0" y="0" width="704" height="702" fill=mycolor/> </svg>