1 <svg xmlns="http://www.w3.org/2000/svg" version="1.1" height="500" width="500"> 2 <rect width="300" height="100" style="fill:rgba(255,0,0,0.5);stroke-1;stroke:rgb(0,0,0)" /> 3 <circle cx="60" cy="160" r="40" stroke="black" stroke-width="4" fill="red" /> 4 <ellipse cx="200" cy="160" rx="60" ry="30" style="fill:purple" /> 5 <line x1="100" y1="120" x2="150" y2="200" style="stroke:rgb(255,0,0);stroke-2" /> 6 <polygon points="400,10 340,180 490,60 310,60 460,180" style="fill:lime;stroke:purple;stroke-5;fill-rule:evenodd;" /> 7 </svg>
补充：<polyline points="20,20 30,30 40,20" style="fill:none;stroke:black;stroke-3" /> 连续多线