vue cli3.0使用svg全过程

npm install svg-sprite-loader \--save-dev

const path = require(‘path‘)
function resolve (dir) {
  return path.join(__dirname, ‘.‘, dir)
}
module.exports = {
  chainWebpack: config => {
    config.module.rules.delete(‘svg‘) // 重点:删除默认配置中处理svg,
    // const svgRule = config.module.rule(‘svg‘)
    // svgRule.uses.clear()
    config.module
      .rule(‘svg-sprite-loader‘)
      .test(/\.svg$/)
      .include
      .add(resolve(‘src/icons‘)) // 处理svg目录
      .end()
      .use(‘svg-sprite-loader‘)
      .loader(‘svg-sprite-loader‘)
      .options({
        symbolId: ‘icon-[name]‘
      })
  },
}

<template>
  <!--<svg class="svgClass" aria-hidden="true">
    <use :xlink:href="iconName"></use>
  </svg>-->
  <div v-if="isExternal" :style="styleExternalIcon" class="svg-external-icon svg-icon" v-on="$listeners" />
  <svg v-else :class="svgClass" aria-hidden="true" v-on="$listeners">
    <use :xlink:href="iconName" />
  </svg>
</template>
<script>
import { isExternal } from ‘@/utils/validate‘
export default {
  name: ‘SvgIcon‘,
  props: {
    iconClass: {
      type: String,
      required: true
    },
    className: {
      type: String,
      default: ‘‘
    }
  },
  computed: {
    isExternal () {
      // return false
      return isExternal(this.iconClass)
    },
    iconName () {
      return `#icon-${this.iconClass}`
    },
    svgClass () {
      if (this.className) {
        return ‘svg-icon ‘ + this.className
      } else {
        return ‘svg-icon‘
      }
    },
    styleExternalIcon () {
      return {
        mask: `url(${this.iconClass}) no-repeat 50% 50%`,
        ‘-webkit-mask‘: `url(${this.iconClass}) no-repeat 50% 50%`
      }
    }
  }
}
</script>

<style scoped>
.svg-icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

.svg-external-icon {
  background-color: currentColor;
  mask-size: cover!important;
  display: inline-block;
}
</style>

/**
 * Created by PanJiaChen on 16/11/18.
 */

/**
 * @param {string} path
 * @returns {Boolean}
 */
export function isExternal (path) {
  return /^(https?:|mailto:|tel:)/.test(path)
}

/**
   * @param {string} str
   * @returns {Boolean}
   */
export function validUsername (str) {
  const validmap = [‘admin‘, ‘editor‘]
  return validmap.indexOf(str.trim()) >= 0
}

import Vue from ‘vue‘
import SvgIcon from ‘@/components/SvgIcon‘// svg component

// // register globally
Vue.component(‘svg-icon‘, SvgIcon)

const req = require.context(‘./svg‘, false, /\.svg$/)
const requireAll = requireContext => requireContext.keys().map(requireContext)
requireAll(req)

# replace default config
 
# multipass: true
# full: true
 
plugins:
 
  # - name
  #
  # or:
  # - name: false
  # - name: true
  #
  # or:
  # - name:
  #     param1: 1
  #     param2: 2
 
- removeAttrs:
    attrs:
      - ‘fill‘
      - ‘fill-rule‘

import ‘./icons‘

<svg-icon icon-class="xx"/>