<svg version="1.1"
width="343" height="179"
viewBox="0 0 343 179"
xmlns="http://www.w3.org/2000/svg">
<path d="
M 0 0
H 343
V 47
A 7 7, 0, 0, 0, 343 61
V 179
H 0
V 61
A 7 7, 0, 0, 0, 0 47
z"/>
</svg>
<svg id="svg2" width="320" height="320" xmlns="http://www.w3.org/2000/svg">
<path d="M 10 315
L 110 215
A 30 50 0 0 1 162.55 162.45
L 172.55 152.45
A 30 50 -45 0 1 215.1 109.9
L 315 10" stroke="black" fill="green" stroke-width="2" fill-opacity="0.5"/>
</svg>
HTML
格式化
支持Emmet，输入 p 后按 Tab键试试吧！
<head> ... </head>
<body>
</body>
body {
display: flex;
justify-content: center;
align-items: center;
}
svg{
background: #eee;
}
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