vue3使用svg图标的多种方式总结

方式1使用在线链接访问

在iconfont找到自己的项目的图标选择Symbol获取在线链接

2：在vue3项目中找到public的index.html进行script进行引入

打开浏览器看：这样就会自动注入到body下

在项目直接使用

   //控制图标的大小
 <svg style="width: 10px; height: 10px">
    <use href="#icon-shanchu" rel="external nofollow" ></use>
  </svg>

显示出了删除的图标

封装的写法(上面的代码写着太重复下面进行封装)

1:新建一个专门获取svg图标的组件

icon.vue (svg/index.vue)

 <template>
<div>
  <svg :style="style">
    <use :href="names" rel="external nofollow"  rel="external nofollow" ></use>
  </svg>
</div>
</template>

<script setup>
import { defineProps, withDefaults } from "vue";
const props = defineProps({
name: {
  type: String,
  default: "",
},
style: {
  type: Object,
  default: () => {
    return {
      width: 10,
      height: 10,
      color: "",
    };
  },
},
});
const names = `#${props.name}`;
</script>

<style lang="scss" scoped></style>

需要显示图标的界面

<template>
<div class="home"> 
  <icon   :style="{ width: 10, height: 10, color: 'red' }"  name="icon-shanchu"  ></icon>
  <icon   :style="{ width: 10, height: 10, color: 'red' }"  name="icon-shanchu"  ></icon>
</div>
</template>

<script setup>
import { ref } from "vue";
import icon from "../assets/svg/index.vue";
</script>
<style lang="scss">

</style>

假如你既引用了iconfont的图标也自定义了图标：直接放在一起根据传输的name指定使用哪一个图标

icon.vue (svg/index.vue)

<template>
<div>
  <svg :style="style">
    <use :href="names" rel="external nofollow"  rel="external nofollow" ></use>
  </svg>
 // 自定义的图标
  <svg width="0" height="0">
    <defs>
      <symbol id="more" viewBox="0 0 100 100">
        <circle
          r="5"
          cx="20"
          cy="25"
          fill="transparent"
          stroke="green"
        ></circle>
        <circle r="5" cx="20" cy="50" fill="currentColor"></circle>
        <circle r="5" cx="20" cy="75" fill="currentColor"></circle>
        <line
          x1="40"
          y1="25"
          x2="90"
          y2="25"
          stroke-width="8"
          stroke="currentColor"
        ></line>
        <line
          x1="40"
          y1="50"
          x2="90"
          y2="50"
          stroke-width="8"
          stroke="currentColor"
        ></line>
        <line
          x1="40"
          y1="75"
          x2="90"
          y2="75"
          stroke-width="8"
          stroke="currentColor"
        ></line>
      </symbol>  
    </defs>
  </svg>
</div>
</template>

<script setup>
import { defineProps, withDefaults } from "vue";
const props = defineProps({
name: {
  type: String,
  default: "",
},
style: {
  type: Object,
  default: () => {
    return {
      width: 10,
      height: 10,
      color: "",
    };
  },
},
});
const names = `#${props.name}`;
</script>

<style lang="scss" scoped></style>

使用：

<template>
<div class="home"> 
  <icon  :style="{ width: 10, height: 10, color: 'red' }"   name="icon-shanchu" ></icon>
  <icon  :style="{ width: 10, height: 10, color: 'red' }"  name="icon-shanchu1"  ></icon>
  <icon :style="{ width: 20, height: 20, color: 'red' }" name="more"></icon>
</div>
</template>

<script setup>
import { ref } from "vue";
import icon from "../assets/svg/index.vue";
</script>
<style lang="scss">

</style>

假如你是复制的iconfont官网的图标svg的代码：

你直接cv到项目也可以直接使用：

<svg
    t="1673881805558"
    class="icon"
    viewBox="0 0 1024 1024"
    version="1.1"
    xmlns="http://www.w3.org/2000/svg"
    p-id="1076"
    width="200"
    height="200"
  >
    <path
      d="M658.276045 767.993958 658.276045 274.295l329.126 0L987.402045 219.44 658.276 219.44l0-18.281c0-80.787046-65.492992-146.284032-146.276045-146.284032-80.790016 0-146.276045 65.496986-146.276045 146.284032l0 18.281L36.597 219.44l0 54.855 109.695 0 0 694.83L877.7 969.125l0-548.55-54.855 0L822.845 914.27l-621.69 0L201.155 274.295l164.569 0 0 493.699 54.848 0L420.572 274.295l182.85 0 0 493.699L658.276 767.994zM420.571034 219.440026l0-18.281c0-50.492006 40.932966-91.420979 91.428966-91.420979 50.489037 0 91.420979 40.928973 91.420979 91.420979l0 18.281L420.571 219.440026z"
      p-id="1077"
    ></path>
  </svg>

效果如下：

我们还可以把上面的代码进行改造直接使用在 icon.vue (svg/index.vue)改造

 <template>
<div class="home">
  <icon
    :style="{ width: 10, height: 10, color: 'red' }"
    name="icon-shanchu"
  ></icon>
  <icon
    :style="{ width: 10, height: 10, color: 'red' }"
    name="icon-shanchu1"
  ></icon>
  <icon :style="{ width: 20, height: 20, color: 'red' }" name="more"></icon>
  <svg
    t="1673881805558"
    class="icon"
    viewBox="0 0 1024 1024"
    version="1.1"
    xmlns="http://www.w3.org/2000/svg"
    p-id="1076"
    width="200"
    height="200"
  >
    <path
      d="M658.276045 767.993958 658.276045 274.295l329.126 0L987.402045 219.44 658.276 219.44l0-18.281c0-80.787046-65.492992-146.284032-146.276045-146.284032-80.790016 0-146.276045 65.496986-146.276045 146.284032l0 18.281L36.597 219.44l0 54.855 109.695 0 0 694.83L877.7 969.125l0-548.55-54.855 0L822.845 914.27l-621.69 0L201.155 274.295l164.569 0 0 493.699 54.848 0L420.572 274.295l182.85 0 0 493.699L658.276 767.994zM420.571034 219.440026l0-18.281c0-50.492006 40.932966-91.420979 91.428966-91.420979 50.489037 0 91.420979 40.928973 91.420979 91.420979l0 18.281L420.571 219.440026z"
      p-id="1077"
    ></path>
  </svg>
  //改造好了直接使用
  <icon :style="{ width: 20, height: 20, color: 'red' }" name="icon"></icon>
</div>
</template>

<script setup>
import { ref } from "vue";
import icon from "../assets/svg/index.vue";
</script>
<style lang="scss">

</style>

总结

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