SVG 描边效果

使用 stroke 指定描边颜色

<svg width="600" height="220" xmlns="http://www.w3.org/2000/svg">
  <polygon points="50,10 0,190 100,190" fill="lime" stroke="red" />
  <rect width="150" height="100" x="120" y="50" fill="yellow" stroke="red" />
  <circle r="45" cx="350" cy="100" fill="pink" stroke="blue" />
  <text x="420" y="100" fill="red" stroke="blue">I love SVG!</text>
</svg>

<svg height="80" width="300" xmlns="http://www.w3.org/2000/svg">
  <g fill="none">
    <path stroke="red" d="M5 20 l215 0" />
    <path stroke="green" d="M5 40 l215 0" />
    <path stroke="blue" d="M5 60 l215 0" />
  </g>
</svg>

使用 stroke-width 指定描边宽度

<svg width="600" height="220" xmlns="http://www.w3.org/2000/svg">
  <polygon points="55,10 10,190 110,190" fill="lime" stroke="red" stroke-width="4" />
  <rect width="150" height="100" x="120" y="50" fill="yellow" stroke="red" stroke-width="4" />
  <circle r="45" cx="350" cy="100" fill="pink" stroke="blue" stroke-width="4" />
  <text x="420" y="100" fill="red" stroke="blue" stroke-width="4">I love SVG!</text>
</svg>

<svg height="80" width="300" xmlns="http://www.w3.org/2000/svg">
  <g fill="none" stroke="red">
    <path stroke-width="2" d="M5 20 l215 0" />
    <path stroke-width="4" d="M5 40 l215 0" />
    <path stroke-width="6" d="M5 60 l215 0" />
  </g>
</svg>

使用 stroke-opacity 指定描边透明度

<svg width="600" height="220" xmlns="http://www.w3.org/2000/svg">
  <polygon points="55,10 10,190 110,190" fill="lime" stroke="red" stroke-width="4" stroke-opacity="0.4" />
  <rect width="150" height="100" x="120" y="50" fill="yellow" stroke="red" stroke-width="4" stroke-opacity="0.4" />
  <circle r="45" cx="350" cy="100" fill="pink" stroke="blue" stroke-width="4" stroke-opacity="0.4" />
  <text x="420" y="100" fill="red" stroke="blue" stroke-width="4" stroke-opacity="0.4">I love SVG!</text>
</svg>

<svg height="80" width="300" xmlns="http://www.w3.org/2000/svg">
  <g fill="none" stroke="red">
    <path stroke-width="2" stroke-opacity="0.4" d="M5 20 l215 0" />
    <path stroke-width="4" stroke-opacity="0.4" d="M5 40 l215 0" />
    <path stroke-width="6" stroke-opacity="0.4" d="M5 60 l215 0" />
  </g>
</svg>

使用 stroke-linecap 指定描边端点样式

<svg height="120" width="300" xmlns="http://www.w3.org/2000/svg">
  <g fill="none" stroke="red" stroke-width="16">
    <path stroke-linecap="butt" d="M10 20 l215 0" />
    <path stroke-linecap="round" d="M10 50 l215 0" />
    <path stroke-linecap="square" d="M10 80 l215 0" />
  </g>
</svg>

使用 stroke-dasharray 指定虚线模式

<svg height="100" width="400" xmlns="http://www.w3.org/2000/svg">
  <g fill="none" stroke="red" stroke-width="6">
    <path stroke-dasharray="5,5" d="M5 20 l215 0" />
    <path stroke-dasharray="10,10" d="M5 40 l215 0" />
    <path stroke-dasharray="35,10" d="M5 60 l215 0" />
    <path stroke-dasharray="20,10,5,5,5,10" d="M5 80 l215 0" />
  </g>
</svg>

<svg width="600" height="220" xmlns="http://www.w3.org/2000/svg">
  <polygon points="55,10 10,190 110,190" fill="lime" stroke="red" stroke-width="4" stroke-dasharray="10,5" />
  <rect width="150" height="100" x="120" y="50" fill="yellow" stroke="red" stroke-width="4" stroke-dasharray="10,5" />
  <circle r="45" cx="350" cy="100" fill="pink" stroke="blue" stroke-width="4" stroke-dasharray="10,5" />
</svg>

使用 stroke-linejoin 指定描边连接点的样式

stroke-linejoin="round"

<svg width="600" height="230" xmlns="http://www.w3.org/2000/svg">
  <polygon points="55,25 10,190 110,190" fill="lime" stroke="red" stroke-width="16" stroke-linejoin="round" />
  <rect width="150" height="100" x="140" y="50" fill="yellow" stroke="red" stroke-width="16" stroke-linejoin="round" />
</svg>

stroke-linejoin="miter"

<svg width="600" height="230" xmlns="http://www.w3.org/2000/svg">
  <polygon points="55,25 10,190 110,190" fill="lime" stroke="red" stroke-width="16" stroke-linejoin="miter" />
  <rect width="150" height="100" x="140" y="50" fill="yellow" stroke="red" stroke-width="16" stroke-linejoin="miter" />
</svg>

stroke-linejoin="bevel"

<svg width="600" height="230" xmlns="http://www.w3.org/2000/svg">
  <polygon points="55,25 10,190 110,190" fill="lime" stroke="red" stroke-width="16" stroke-linejoin="bevel" />
  <rect width="150" height="100" x="140" y="50" fill="yellow" stroke="red" stroke-width="16" stroke-linejoin="bevel" />
</svg>