vue + elementUI 表格右键弹出菜单

效果

image.png

右键点击靠下的位置

image.png

 <!--表格页代码 -->
<template>
  <div class="hello">
    <el-table
        :data="tableData"
        @row-contextmenu="rowContextmenu"
        border
        style="width: 100%">
      <el-table-column
          prop="date"
          label="日期"
          width="180">
      </el-table-column>
      <el-table-column
          prop="name"
          label="姓名"
          width="180">
      </el-table-column>
      <el-table-column
          prop="address"
          label="地址">
      </el-table-column>
    </el-table>
     <context-button v-if="menuVisible" @foo="foo" ref="contextbutton" @handleOne="handleOne" @handleTwo="handleTwo" @handleThree="handleThree"></context-button>
  </div>
</template>

<script>
  import contextButton from './contextButton/index'
  export default {
    data() {
      return {
        tableData: [{
          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 1517 弄'
        }, {
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1519 弄'
        }, {
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1519 弄'
        }, {
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1519 弄'
        }, {
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1519 弄'
        }, {
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1519 弄'
        }, {
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1519 弄'
        }, {
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1519 弄'
        }, {
          date: '2016-05-01',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1519 弄'
        },  {
          date: '2016-05-03',
          name: '王小虎',
          address: '上海市普陀区金沙江路 1516 弄'
        }],
        menuVisible: false,
      }
    },
    components: {
      contextButton
    },
    methods: {
      rowContextmenu (row, column, event) {
        this.menuVisible = false
        this.menuVisible = true
        // 阻止右键默认行为
        event.preventDefault()
        this.$nextTick(() => {
          this.$refs.contextbutton.init(row,column,event)
        })
      },
      foo() { // 取消鼠标监听事件 菜单栏
        this.menuVisible = false
        document.removeEventListener('click', this.foo)
      },
      handleOne () {
        console.log('点击菜单一')
      },

      handleTwo () {
        console.log('点击菜单二')
      },
      handleThree () {
        console.log('点击菜单三')
      },
    }
  }
</script>

==================================================

 <!-- 菜单页代码  contextButton/index.vue -->
<template>
  <div id="contextmenu" class="contextmenu">
    <div class="contextmenu__item" @click="handleOne()">菜单一</div>
    <div class="contextmenu__item" @click="handleTwo()">菜单二</div>
    <div class="contextmenu__item" @click="handleThree()">菜单三</div>
  </div>
</template>

<script>
    export default {
      name: "index",
      data () {
         return {
          }
      },
      methods: {
        init (row, column,event) {
          // 设置菜单出现的位置
          // 具体显示位置根据自己需求进行调节
          let menu = document.querySelector('#contextmenu')
          let cha = document.body.clientHeight - event.clientY
          console.log(document.body.clientHeight,event.clientY,cha)
          // 防止菜单太靠底，根据可视高度调整菜单出现位置
          if (cha < 150) {
            menu.style.top = event.clientY -120 + 'px'
          } else {
            menu.style.top = event.clientY -10 + 'px'
          }
          menu.style.left = event.clientX + 10 + 'px'
          document.addEventListener('click', this.foo) // 给整个document添加监听鼠标事件，点击任何位置执行foo方法

        },
        foo () {
          this.$emit('foo')
        },
        handleOne () {
          this.$emit('handleOne')
        },
        handleTwo () {
          this.$emit('handleTwo')
        },
        handleThree () {
          this.$emit('handleThree')
        },
      }
    }
</script>

<style scoped>
  .contextmenu__item {
    display: block;
    line-height: 34px;
    text-align: center;
  }
  .contextmenu__item:not(:last-child) {
    border-bottom: 1px solid rgba(64,158,255,.2);
  }
  .contextmenu {
    position: absolute;
    background-color: #ecf5ff;
    width: 100px;
    /*height: 106px;*/
    font-size: 12px;
    color: #409EFF;
    border-radius: 4px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    border: 1px solid rgba(64,158,255,.2);
    white-space: nowrap;
    z-index: 1000;
  }
  .contextmenu__item:hover {
    cursor: pointer;
    background: #66b1ff;
    border-color: #66b1ff;
    color: #fff;
  }
</style>