# 动态赋默认选中值(单选)


<template>
  <t-layout-page>
    <t-layout-page-item style="display: flex; flex-direction: column">
      <el-button
        type="danger"
        style="margin-bottom: 10px; width: 200px"
        @click="mod"
        >动态赋值</el-button
      >
      <t-select-table
        :table="table"
        :columns="table.columns"
        :max-height="400"
        :defaultSelectVal="defaultSelectVal"
        :keywords="{ label: 'name', value: 'id' }"
        @radioChange="radioChange"
      ></t-select-table>
    </t-layout-page-item>
  </t-layout-page>
</template>

<script>
export default {
  data() {
    return {
      defaultSelectVal: [],
      table: {
        data: [
          {
            id: 1,
            code: 1,
            name: "物料名称1",
            spec: "物料规格1",
            unitName: "吨",
          },
          {
            id: 2,
            code: 2,
            name: "物料名称2",
            spec: "物料规格2",
            unitName: "吨",
          },
          {
            id: 3,
            code: 3,
            name: "物料名称3",
            spec: "物料规格3",
            unitName: "吨",
          },
          {
            id: 4,
            code: 4,
            name: "物料名称4",
            spec: "物料规格4",
            unitName: "吨",
          },
          {
            id: 5,
            code: 5,
            name: "物料名称5",
            spec: "物料规格5",
            unitName: "吨",
          },
          {
            id: 6,
            code: 6,
            name: "物料名称6",
            spec: "物料规格6",
            unitName: "吨",
          },
          {
            id: 7,
            code: 7,
            name: "物料名称7",
            spec: "物料规格7",
            unitName: "吨",
          },
          {
            id: 8,
            code: 8,
            name: "物料名称8",
            spec: "物料规格8",
            unitName: "吨",
          },
          {
            id: 9,
            code: 9,
            name: "物料名称9",
            spec: "物料规格9",
            unitName: "吨",
          },
          {
            id: 10,
            code: 10,
            name: "物料名称10",
            spec: "物料规格10",
            unitName: "吨",
          },
          {
            id: 11,
            code: 11,
            name: "物料名称11",
            spec: "物料规格11",
            unitName: "吨",
          },
          {
            id: 12,
            code: 12,
            name: "物料名称12",
            spec: "物料规格12",
            unitName: "吨",
          },
          {
            id: 13,
            code: 13,
            name: "物料名称13",
            spec: "物料规格13",
            unitName: "吨",
          },
        ],
        columns: [
          { label: "物料编号", width: "100px", prop: "code" },
          { label: "物料名称", width: "149px", prop: "name" },
          { label: "规格", width: "149px", prop: "spec" },
          { label: "单位", width: "110px", prop: "unitName" },
          { label: "物料编号1", width: "149px", prop: "code" },
          { label: "物料名称1", width: "149px", prop: "name" },
          { label: "规格1", width: "149px", prop: "spec" },
          { label: "单位1", width: "110px", prop: "unitName" },
          { label: "物料编号11", width: "149px", prop: "code" },
          { label: "物料名称11", width: "149px", prop: "name" },
          { label: "规格11", width: "149px", prop: "spec" },
          { label: "单位11", width: "110px", prop: "unitName" },
          { label: "物料编号111", width: "149px", prop: "code" },
          { label: "物料名称111", width: "149px", prop: "name" },
          { label: "规格111", width: "149px", prop: "spec" },
          { label: "单位111", width: "110px", prop: "unitName" },
        ],
      },
    };
  },
  methods: {
    mod() {
      this.defaultSelectVal = [2];
    },
    // 单选
    radioChange(row) {
      console.log("传给后台的值", row);
    },
  },
};
</script>

<style></style>
显示代码