基于vue及element,最简单的编辑表格

<template>
  <div>
    <el-button size="mini" @click="handleAdd()" type="primary">Add</el-button>
    <el-table ref="mytable" :data="table_data" style="width: 100%" @selection-change="handleSelectionChange">
      <el-table-column v-if="radio" type="index" width="50"></el-table-column>
      <el-table-column v-if="selection" type="selection" width="55"></el-table-column>
      <el-table-column align="center" v-for="(item,index,key) in table_columns" :item="item" :key="key" :index="index" :label="item.label">
        <template slot-scope="scope">
          <el-input v-if=" scope.row.edit" size="small" v-model="scope.row[item.prop]" :placeholder="'请输入'+item.label"></el-input>
          <span v-if="!scope.row.edit">{{scope.row[item.prop]}}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template slot-scope="scope">
          <!-- 全局控制的编辑 -->
          <div v-if="is_edit&&scope.row.add==undefined" style="display: inline-block;">
            <!-- 编辑 -->
            <el-button size="mini" v-if="!scope.row.edit" @click="handleEdit(scope.$index, scope.row)" type="primary">Edit</el-button>
            <!-- 保存 -->
            <el-button size="mini" type="success" :plain="true" v-if="scope.row.edit" @click="handleSave(scope.$index, scope.row)">Save</el-button>
          </div>
          <!-- 添加控制 -->
          <div v-if="scope.row.add!=undefined&&scope.row.add" style="display: inline-block;">
            <!-- 保存 -->
            <el-button size="mini" type="success" :plain="true" v-if="scope.row.edit" @click="handleSave(scope.$index, scope.row)">Save</el-button>
          </div>
          <!-- 全局控制删除 -->
          <el-button size="mini" v-if="is_delete&&scope.row.add==undefined" :plain="true" type="danger" @click="handleDelete(scope.$index, scope.row)">Delete</el-button>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script>
export default {
  methods: {
    //隔行变色
    tableRowClassName() {
      //选取DOM节点
      var trs = this.$refs.mytable.$el
        .getElementsByTagName("tbody")[0]
        .getElementsByTagName("tr");
      for (var i in trs) {
        if (i % 2 == 0) {
          //当隔行变色未true时改变颜色
          if (this.space_color) {
            trs[i].style.backgroundColor = "#f0f9eb";
          } else {
            trs[i].style.backgroundColor = "";
          }
        }
      }
    },

    //多选框
    handleSelectionChange(val) {
      this.multipleSelection = val;
      console.log("selection:", this.multipleSelection);
    },
    //编辑
    handleEdit(index, row) {
      console.log(index, row);
      row.edit = true;
    },
    //删除
    handleDelete(index, row) {
      console.log(index, row);

      this.table_data.splice(index, 1);

      this.$message({
        message: "删除成功！",
        type: "success",
      });
    },
    //保存
    handleSave(index, row) {
      console.log(index, row);
      row.edit = false;

      delete this.table_data[index].add;

      this.$message({
        message: "保存成功！",
        type: "success",
      });
    },
    handleAdd() {
      var addDataJson = {};
      for (var key in this.new_date_json) {
        if (key === "edit") {
          delete addDataJson[key];
        } else if (key === "add") {
          delete addDataJson[key];
        } else {
          addDataJson[key] = "";
        }
      }
      addDataJson.edit = true;
      addDataJson.add = true;
      this.table_data.push(addDataJson);
    },
    //初始化编辑属性
    initEditAttribute() {
      var self = this;
      var edit = self.edit;

      var dataArray = [
        {
          date: "2016-05-03",
          name: "王小虎",
          province: "上海",
          city: "普陀区",
          address: "上海市普陀区金沙江路 1518 弄",
          zip: 200333,
          sex: 18,
        },
        {
          date: "2016-05-02",
          sex: 18,
          name: "王小虎",
          province: "上海",
          city: "普陀区",
          address: "上海市普陀区金沙江路 1518 弄",
          zip: 200333,
        },
        {
          date: "2016-05-04",
          name: "王小虎",
          sex: 18,
          province: "上海",
          city: "普陀区",
          address: "上海市普陀区金沙江路 1518 弄",
          zip: 200333,
        },
      ];

      if (dataArray.length > 0) {
        //添加编辑事件
        for (var index in dataArray) {
          dataArray[index]["edit"] = false;
          this.table_data.push(dataArray[index]);
        }

        if (Object.keys(this.new_date_json).length === 0) {
          //新增时，初始化数据结构
          this.initAddDataJson(dataArray[0]);
        }
      }
      console.log("this.tableData:", this.table_data);
    },
    initAddDataJson(dataArray) {
      //新增时，初始化数据结构
      var dataJson = dataArray;
      var newDateJson = {};
      for (var key in dataJson) {
        if (key === "edit") {
          newDateJson[key] = "true";
        } else {
          newDateJson[key] = "";
        }
      }
      newDateJson["add"] = true;
      this.new_date_json = newDateJson;
    },
  },
  mounted: function () {
    this.initEditAttribute();
    //确保方法在页面渲染后调用
    this.$nextTick(function () {
      /////方法
      this.tableRowClassName();
    });
  },
  watch: {
    space_color: function () {
      //监听数据变化
      this.$nextTick(function () {
        /////方法
        this.tableRowClassName();
      });
    },
    table_data: function () {
      //监听数据变化f
      this.$nextTick(function () {
        /////方法
        this.tableRowClassName();
      });
    },
  },
  data() {
    return {
      new_date_json: {}, //数据结构
      multipleSelection: [], //复选框，数据
      is_edit: true, //是否可编辑
      is_delete: true, //是否可删除
      selection: true, //是否需要复选框
      radio: false, //单选变色
      space_color: true, //隔行变色
      //表头信息
      table_columns: [
        {
          prop: "date",
          label: "日期",
          width: "150",
        },
        {
          prop: "name",
          label: "姓名",
          width: "150",
        },
        {
          prop: "sex",
          label: "年龄",
          width: "150",
        },
        {
          prop: "province",
          label: "省份",
          width: "",
        },
        {
          prop: "city",
          label: "城市",
          width: "150",
        },
        {
          prop: "address",
          label: "地址",
          width: "150",
        },
      ],
      //表格数据
      table_data: [
        // {
        //   date: "2016-05-03",
        //   name: "王小虎",
        //   province: "上海",
        //   city: "普陀区",
        //   address: "上海市普陀区金沙江路 1518 弄",
        //   zip: 200333,
        //   sex: 18
        // },
        // {
        //   date: "2016-05-02",
        //   sex: 18,
        //   name: "王小虎",
        //   province: "上海",
        //   city: "普陀区",
        //   address: "上海市普陀区金沙江路 1518 弄",
        //   zip: 200333
        // },
        // {
        //   date: "2016-05-04",
        //   name: "王小虎",
        //   sex: 18,
        //   province: "上海",
        //   city: "普陀区",
        //   address: "上海市普陀区金沙江路 1518 弄",
        //   zip: 200333
        // }
      ],
    };
  },
};
</script>
<style scoped>
</style>