Vue.js实现可排序的表格组件功能示例

<div id="app" v-cloak>
  <v-table :data="data" :columns="columns"></v-table>
  <button @click="add">新增</button>
</div>

Vue.component('vTable', {
  props: {
    //表头列名称
    columns: {
      type: Array,
      default: function () {
        return [];
      }
    },
    //数据
    data: {
      type: Array,
      default: function () {
        return [];
      }
    }
  },
  //为了不影响原始数据，这里定义了相应的需要操作的数据对象
  data: function () {
    return {
      currentColumns: [],
      currentData: []
    }
  },
  //render 实现方式
  render: function (createElement) {
    var that = this;
    /**
     * 创建列样式与表头
     */
    var ths = [];//<th> 标签数组
    var cols = [];//<cols> 标签数组
    this.currentColumns.forEach(function (col, index) {
      if (col.width) {//创建列样式
        cols.push(createElement('col', {
          style: {
            width: col.width
          }
        }))
      }
      if (col.sortable) {
        ths.push(createElement('th', [
          createElement('span', col.title),
          //升序
          createElement('a', {
            class: {
              on: col.sortType === 'asc'
            },
            on: {
              click: function () {
                that.sortByAsc(index)
              }
            }
          }, '↑'),
          //降序
          createElement('a', {
            class: {
              on: col.sortType === 'desc'
            },
            on: {
              click: function () {
                that.sortByDesc(index);
              }
            }
          }, '↓')
        ]));
      } else {
        ths.push(createElement('th', col.title));
      }
    });
    /**
     * 创建内容
     */
    var trs = [];//<tr> 标签数组
    this.currentData.forEach(function (row) {//遍历行
      var tds = [];//<td> 标签数组
      that.currentColumns.forEach(function (cell) {//遍历单元格
        tds.push(createElement('td', row[cell.key]));
      });
      trs.push(createElement('tr', tds));
    });
    return createElement('table', [
      createElement('colgroup', cols),
      createElement('thead', [
        createElement('tr', ths)
      ]),
      createElement('tbody', trs)
    ])
  },
  methods: {
    //初始化表头
    initColumns: function () {
      this.currentColumns = this.columns.map(function (col, index) {
        //新建字段，标识当前列排序类型；默认为“不排序”
        col.sortType = 'normal';
        //新建字段，标识当前列在数组中的索引
        col.index = index;
        return col;
      });
    },
    //初始化数据
    initData: function () {
      this.currentData = this.data.map(function (row, index) {
        //新建字段，标识当前行在数组中的索引
        row.index = index;
        return row;
      });
    },
    //排序
    order: function (index, type) {
      this.currentColumns.forEach(function (col) {
        col.sortType = 'normal';
      });
      //设置排序类型
      this.currentColumns[index].sortType = type;
      //设置排序函数
      var sortFunction;
      var key = this.currentColumns[index].key;
      switch (type) {
        default://默认为 asc 排序
        case 'asc':
          sortFunction = function (a, b) {
            return a[key] > b[key] ? 1 : -1;
          };
          break;
        case 'desc':
          sortFunction = function (a, b) {
            return a[key] < b[key] ? 1 : -1;
          };
          break;
      }
      this.currentData.sort(sortFunction);
    },
    //升序
    sortByAsc: function (index) {
      this.order(index, 'asc');
    },
    //降序
    sortByDesc: function (index) {
      this.order(index, 'desc');
    }
  },
  watch: {
    data: function () {
      this.initData();
      //找出排序字段
      var sortedColumn = this.currentColumns.filter(function (col) {
        return col.sortType !== 'normal';
      });
      if (sortedColumn.length > 0) {
        if (sortedColumn[0].sortType === 'asc') {
          this.sortByAsc(sortedColumn[0].index);
        } else {
          this.sortByDesc(sortedColumn[0].index);
        }
      }
    }
  },
  mounted() {
    this.initColumns();
    this.initData();
  }
});
var app = new Vue({
  el: '#app',
  data: {
    //title 、key 与 width 必填；sortable 选填
    columns: [
      {
        title: '名称',
        key: 'name',
        width:'60%'
      },
      {
        title: '数量',
        key: 'num',
        width:'20%',
        sortable: true
      },
      {
        title: '单价',
        key: 'unitPrice',
        width:'20%',
        sortable: true
      }
    ],
    data: [
      {
        name: '真果粒牛奶饮品',
        num: 2,
        unitPrice: 59.9
      },
      {
        name: '苏泊尔（SUPOR）电压力锅 ',
        num: 1,
        unitPrice: 378.0
      },
      {
        name: '乐事（Lay\'s）薯片',
        num: 3,
        unitPrice: 63.0
      }
    ]
  },
  methods:{
    add:function () {
      this.data.push( {
        name: '良品铺子 休闲零食大礼包',
        num: 5,
        unitPrice: 59.80
      });
    }
  }
});

render: function (h) {
  var that = this;
  /**
   * 创建列样式与表头
   */
  var ths = [];//<th> 标签数组
  var cols = [];//<cols> 标签数组
  this.currentColumns.forEach(function (col, index) {
    if (col.width) {//创建列样式
      cols.push(h('col', {
        style: {
          width: col.width
        }
      }))
    }
    if (col.sortable) {
      ths.push(h('th', [
        h('span', col.title),
        //升序
        h('a', {
          class: {
            on: col.sortType === 'asc'
          },
          on: {
            click: function () {
              that.sortByAsc(index)
            }
          }
        }, '↑'),
        //降序
        h('a', {
          class: {
            on: col.sortType === 'desc'
          },
          on: {
            click: function () {
              that.sortByDesc(index);
            }
          }
        }, '↓')
      ]));
    } else {
      ths.push(h('th', col.title));
    }
  });
  /**
   * 创建内容
   */
  var trs = [];//<tr> 标签数组
  this.currentData.forEach(function (row) {//遍历行
    var tds = [];//<td> 标签数组
    that.currentColumns.forEach(function (cell) {//遍历单元格
      tds.push(h('td', row[cell.key]));
    });
    trs.push(h('tr', tds));
  });
  return h('table', [
    h('colgroup', cols),
    h('thead', [
      h('tr', ths)
    ]),
    h('tbody', trs)
  ])
}

[v-cloak] {
  display: none;
}
table {
  width: 100%;
  margin-bottom: 24px;
  /*合并边框模型*/
  border-collapse: collapse;
  border-spacing: 0;
  /*在空单元格周围绘制边框*/
  empty-cells: show;
  border: 1px solid #e9e9e9;
}
table th {
  font: bold 14px "Trebuchet MS", Verdana, Arial, Helvetica, sans-serif;
  background: #CAE8EA;
  color: #5c6b77;
  /*设置文本粗细*/
  font-weight: 600;
  /*段落中的文本不进行换行*/
  white-space: nowrap;
  border-top: 1px solid #C1DAD7;
}
table td, table th {
  padding: 8px 16px;
  text-align: left;
  border-right: 1px solid #C1DAD7;
  border-bottom: 1px solid #C1DAD7;
}
table th a {
  /*不独占一行的块级元素*/
  display: inline-block;
  margin: 0 4px;
  cursor: pointer;
}
table th a.on {
  color: #3399ff;
}
table th a:hover {
  color: #3399ff;
}