dataease/frontend/src/views/background/BackgroundItem.vue

<template>
  <div class="testcase-template">
    <div
      :class="[
        {
          ['template-img-active']:itemActive
        },
        'template-img'
      ]"
      @click.stop="setBoard"
    >
      <svg-icon :style="{'color':this.curComponent.commonBackground.innerImageColor}" class="svg-background" :icon-class="mainIconClass" />
    </div>
    <span class="demonstration">{{ template.name }}</span>
  </div>
</template>

<script>
import { mapState } from 'vuex'
import {imgUrlTrans} from "@/components/canvas/utils/utils";

export default {
  name: 'BackgroundItem',
  props: {
    template: {
      type: Object,
      default() {
        return {}
      }
    }
  },
  computed: {
    mainIconClass() {
      return this.template.url.replace('board/', '').replace('.svg', '')
    },
    itemActive() {
      return this.curComponent && this.curComponent.commonBackground && this.curComponent.commonBackground.innerImage === this.template.url
    },
    classBackground() {
      if (this.template.url) {
        return {
          background: `url(${imgUrlTrans(this.template.url)}) no-repeat`,
          'background-size': `100% 100%`
        }
      } else {
        return {}
      }
    },
    ...mapState([
      'curComponent'
    ])
  },
  methods: {
    setBoard() {
      this.curComponent.commonBackground.innerImage = this.template.url
    }
  }
}
</script>

<style scoped>

  .testcase-template {
    display: inline-block;
    margin: 10px 0px;
    width: 90px;
  }

  .demonstration {
    display: block;
    font-size: 8px;
    color: gray;
    text-align: center;
    margin: 10px auto;
    width: 130px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }

  .template-img {
    position: relative;
    height: 80px;
    width: 130px;
    margin: 0 auto;
    box-shadow: 0 0 2px 0 rgba(31,31,31,0.15), 0 1px 2px 0 rgba(31,31,31,0.15);
    border: solid 2px #fff;
    box-sizing: border-box;
    border-radius: 3px;
  }

  .template-img:hover {
    border: solid 1px #4b8fdf;
    border-radius: 3px;
    color: deepskyblue;
    cursor: pointer;
  }

  .template-img > i{
    display:none;
    float: right;
    color: gray;
    margin: 2px;
  }

  .template-img > i:hover {
    color: red;
  }

  .template-img:hover > .el-icon-error {
    display: inline;
  }

  .template-img:hover > .el-icon-edit {
    display: inline;
  }

  .template-img-active {
    border: solid 1px red;
    border-radius: 3px;
    color: deepskyblue;
  }
  .svg-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }

</style>