【Vue.js】Vue.js组件库Element中的图片、回到顶部、无限滚动和抽屉

<div class="demo-image">
  <div class="block" v-for="fit in fits" :key="fit">
    <span class="demonstration">{{ fit }}</span>
    <el-image
      style="width: 100px; height: 100px"
      :src="url"
      :fit="fit"></el-image>
  </div>
</div>

<script>
  export default {
    data() {
      return {
        fits: ['fill', 'contain', 'cover', 'none', 'scale-down'],
        url: 'https://fuss10.elemecdn.com/e/5d/4a731a90594a4af544c0c25941171jpeg.jpeg'
      }
    }
  }
</script>

<div class="demo-image__placeholder">
  <div class="block">
    <span class="demonstration">默认</span>
    <el-image :src="src"></el-image>
  </div>
  <div class="block">
    <span class="demonstration">自定义</span>
    <el-image :src="src">
      <div slot="placeholder" class="image-slot">
        加载中<span class="dot">...</span>
      </div>
    </el-image>
  </div>
</div>

<script>
  export default {
    data() {
      return {
        src: 'https://cube.elemecdn.com/6/94/4d3ea53c084bad6931a56d5158a48jpeg.jpeg'
      }
    }
  }
</script>

<div class="demo-image__error">
  <div class="block">
    <span class="demonstration">默认</span>
    <el-image></el-image>
  </div>
  <div class="block">
    <span class="demonstration">自定义</span>
    <el-image>
      <div slot="error" class="image-slot">
        <i class="el-icon-picture-outline"></i>
      </div>
    </el-image>
  </div>
</div>

<div class="demo-image__lazy">
  <el-image v-for="url in urls" :key="url" :src="url" lazy></el-image>
</div>

<script>
  export default {
    data() {
      return {
        urls: [
          'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg',
          'https://fuss10.elemecdn.com/1/34/19aa98b1fcb2781c4fba33d850549jpeg.jpeg',
          'https://fuss10.elemecdn.com/0/6f/e35ff375812e6b0020b6b4e8f9583jpeg.jpeg',
          'https://fuss10.elemecdn.com/9/bb/e27858e973f5d7d3904835f46abbdjpeg.jpeg',
          'https://fuss10.elemecdn.com/d/e6/c4d93a3805b3ce3f323f7974e6f78jpeg.jpeg',
          'https://fuss10.elemecdn.com/3/28/bbf893f792f03a54408b3b7a7ebf0jpeg.jpeg',
          'https://fuss10.elemecdn.com/2/11/6535bcfb26e4c79b48ddde44f4b6fjpeg.jpeg'
        ]
      }
    }
  }
</script>

<div class="demo-image__preview">
  <el-image 
    style="width: 100px; height: 100px"
    :src="url" 
    :preview-src-list="srcList">
  </el-image>
</div>

<script>
  export default {
    data() {
      return {
        url: 'https://fuss10.elemecdn.com/e/5d/4a731a90594a4af544c0c25941171jpeg.jpeg',
        srcList: [
          'https://fuss10.elemecdn.com/8/27/f01c15bb73e1ef3793e64e6b7bbccjpeg.jpeg',
          'https://fuss10.elemecdn.com/1/8e/aeffeb4de74e2fde4bd74fc7b4486jpeg.jpeg'
        ]
      }
    }
  }
</script>

<template>
  Scroll down to see the bottom-right button.
  <el-backtop target=".page-component__scroll .el-scrollbar__wrap"></el-backtop>
</template>

<template>
  Scroll down to see the bottom-right button.
  <el-backtop target=".page-component__scroll .el-scrollbar__wrap" :bottom="100">
    <div
      style="{
        height: 100%;
        width: 100%;
        background-color: #f2f5f6;
        box-shadow: 0 0 6px rgba(0,0,0, .12);
        text-align: center;
        line-height: 40px;
        color: #1989fa;
      }"
    >
      UP
    </div>
  </el-backtop>
</template>

<template>
  <ul class="infinite-list" v-infinite-scroll="load" style="overflow:auto">
    <li v-for="i in count" class="infinite-list-item">{{ i }}</li>
  </ul>
</template>

<script>
  export default {
    data () {
      return {
        count: 0
      }
    },
    methods: {
      load () {
        this.count += 2
      }
    }
  }
</script>

<template>
  <div class="infinite-list-wrapper" style="overflow:auto">
    <ul
      class="list"
      v-infinite-scroll="load"
      infinite-scroll-disabled="disabled">
      <li v-for="i in count" class="list-item">{{ i }}</li>
    </ul>
    <p v-if="loading">加载中...</p>
    <p v-if="noMore">没有更多了</p>
  </div>
</template>

<script>
  export default {
    data () {
      return {
        count: 10,
        loading: false
      }
    },
    computed: {
      noMore () {
        return this.count >= 20
      },
      disabled () {
        return this.loading || this.noMore
      }
    },
    methods: {
      load () {
        this.loading = true
        setTimeout(() => {
          this.count += 2
          this.loading = false
        }, 2000)
      }
    }
  }
</script>

<el-radio-group v-model="direction">
  <el-radio label="ltr">从左往右开</el-radio>
  <el-radio label="rtl">从右往左开</el-radio>
  <el-radio label="ttb">从上往下开</el-radio>
  <el-radio label="btt">从下往上开</el-radio>
</el-radio-group>

<el-button @click="drawer = true" type="primary" style="margin-left: 16px;">
  点我打开
</el-button>

<el-drawer
  title="我是标题"
  :visible.sync="drawer"
  :direction="direction"
  :before-close="handleClose">
  <span>我来啦!</span>
</el-drawer>

<script>
  export default {
    data() {
      return {
        drawer: false,
        direction: 'rtl',
      };
    },
    methods: {
      handleClose(done) {
        this.$confirm('确认关闭？')
          .then(_ => {
            done();
          })
          .catch(_ => {});
      }
    }
  };
</script>

<el-button @click="drawer = true" type="primary" style="margin-left: 16px;">
  点我打开
</el-button>

<el-drawer
  title="我是标题"
  :visible.sync="drawer"
  :with-header="false">
  <span>我来啦!</span>
</el-drawer>

<script>
  export default {
    data() {
      return {
        drawer: false,
      };
    }
  };
</script>

<el-button type="text" @click="table = true">打开嵌套表格的 Drawer</el-button>
<el-button type="text" @click="dialog = true">打开嵌套 Form 的 Drawer</el-button>
<el-drawer
  title="我嵌套了表格!"
  :visible.sync="table"
  direction="rtl"
  size="50%">
   <el-table :data="gridData">
      <el-table-column property="date" label="日期" width="150"></el-table-column>
      <el-table-column property="name" label="姓名" width="200"></el-table-column>
      <el-table-column property="address" label="地址"></el-table-column>
    </el-table>
</el-drawer>

<el-drawer
  title="我嵌套了 Form !"
  :before-close="handleClose"
  :visible.sync="dialog"
  direction="ltr"
  custom-class="demo-drawer"
  ref="drawer"
  >
  <div class="demo-drawer__content">
    <el-form :model="form">
      <el-form-item label="活动名称" :label-width="formLabelWidth">
        <el-input v-model="form.name" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="活动区域" :label-width="formLabelWidth">
        <el-select v-model="form.region" placeholder="请选择活动区域">
          <el-option label="区域一" value="shanghai"></el-option>
          <el-option label="区域二" value="beijing"></el-option>
        </el-select>
      </el-form-item>
    </el-form>
    <div class="demo-drawer__footer">
      <el-button @click="cancelForm">取 消</el-button>
      <el-button type="primary" @click="$refs.drawer.closeDrawer()" :loading="loading">{{ loading ? '提交中 ...' : '确 定' }}</el-button>
    </div>
  </div>
</el-drawer>

<script>
export default {
  data() {
    return {
      table: false,
      dialog: false,
      loading: false,
      gridData: [{
        date: '2016-05-02',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1518 弄'
      }, {
        date: '2016-05-04',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1518 弄'
      }, {
        date: '2016-05-01',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1518 弄'
      }, {
        date: '2016-05-03',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1518 弄'
      }],
      form: {
        name: '',
        region: '',
        date1: '',
        date2: '',
        delivery: false,
        type: [],
        resource: '',
        desc: ''
      },
      formLabelWidth: '80px',
      timer: null,
    };
  },
  methods: {
    handleClose(done) {
      if (this.loading) {
        return;
      }
      this.$confirm('确定要提交表单吗？')
        .then(_ => {
          this.loading = true;
          this.timer = setTimeout(() => {
            done();
            // 动画关闭需要一定的时间
            setTimeout(() => {
              this.loading = false;
            }, 400);
          }, 2000);
        })
        .catch(_ => {});
    },
    cancelForm() {
      this.loading = false;
      this.dialog = false;
      clearTimeout(this.timer);
    }
  }
}
</script>

<el-button @click="drawer = true" type="primary" style="margin-left: 16px;">
  点我打开
</el-button>

<el-drawer
  title="我是外面的 Drawer"
  :visible.sync="drawer"
  size="50%">
  <div>
   <el-button @click="innerDrawer = true">打开里面的!</el-button>
   <el-drawer
     title="我是里面的"
     :append-to-body="true"
     :before-close="handleClose"
     :visible.sync="innerDrawer">
     <p>_(:зゝ∠)_</p>
   </el-drawer>
  </div>
</el-drawer>

<script>
  export default {
    data() {
      return {
        drawer: false,
        innerDrawer: false,
      };
    },
    methods: {
      handleClose(done) {
        this.$confirm('还有未保存的工作哦确定关闭吗？')
          .then(_ => {
            done();
          })
          .catch(_ => {});
      }
    }
  };
</script>