utils公共方法：將數字轉為漢字

utils/numberToChinese.js

// 將四位數以內的數字轉換為中文
function SectionToChinese(section) {
  const chnNumChar = [
    '零',
    '一',
    '二',
    '三',
    '四',
    '五',
    '六',
    '七',
    '八',
    '九'
  ];
  const chnUnitChar = ['', '十', '百', '千'];
  let str = '';
  let zeroFlag = false;
  let unitPos = 0;

  while (section > 0) {
    const v = section % 10;
    if (v === 0) {
      if (!zeroFlag && str !== '') {
        str = chnNumChar[0] + str; // 新增"零"
      }
      zeroFlag = true;
    } else {
      str = chnNumChar[v] + chnUnitChar[unitPos] + str;
      zeroFlag = false;
    }
    section = Math.floor(section / 10);
    unitPos++;
  }

  return str || chnNumChar[0]; // 如果數字是 0，直接返回 "零"
}

// 將數字轉換為中文
export function NumberToChinese(num) {
  if (num === 0) return '零'; // 特殊情況，數字為0直接返回"零"

  const chnUnitSection = ['', '萬', '億', '萬億', '億億'];
  let unitPos = 0;
  let strIns = '';
  let chnStr = '';
  let needZero = false;

  // 每四位一組，逐組處理
  while (num > 0) {
    const section = num % 10000;
    if (needZero) {
      chnStr = '零' + chnStr;
    }
    strIns = SectionToChinese(section);
    strIns += section !== 0 ? chnUnitSection[unitPos] : chnUnitSection[0];
    chnStr = strIns + chnStr;
    needZero = section < 1000 && section > 0;
    num = Math.floor(num / 10000);
    unitPos++;
  }

  return chnStr;
}

在頁面中使用：

import { NumberToChinese } from '@/utils/numberToChinese';

<template>
  <el-table :data="tableData">
    <el-table-column prop="level" label="預警級別">
      <template slot-scope="scope">
        <div
          class="color-block"
          :style="{ backgroundColor: scope.row.rgb }"
        >
          {{ NumberToChinese(scope.row.level) }}級 <!-- 呼叫公共方法 -->
        </div>
      </template>
    </el-table-column>
  </el-table>
</template>

<script>
import { NumberToChinese } from '@/utils/numberUtils';  // 引入公共方法

export default {
  data() {
    return {
      tableData: [
        { level: 1, rgb: '#FF0000' },
        { level: 2, rgb: '#00FF00' },
        { level: 3, rgb: '#0000FF' },
      ],
    };
  },
  methods: {
    NumberToChinese,  // 將公共方法掛載到 methods 中
  },
};
</script>

<style>
.color-block {
  color: white;
  text-align: center;
  width: 40px;
  height: 20px;
  border-radius: 10px;
}
</style>