exam_mp/utils/index.js

// 获取元素宽高
export const getRect = ({ name, onSuccess, instance, multiple }) => {
  // 创建一个选择器查询对象
  const select = uni.createSelectorQuery().in(instance.proxy);
  // 选择指定元素，并获取其矩形信息
  select
    .select(name)
    .boundingClientRect((rect) => {
      // 如果rect是一个数组，则返回
      if (!rect) return;
      if (Array.isArray(rect)) return multiple ? rect : rect[0];
      // 如果onSuccess存在，则调用onSuccess函数，并传入rect的高度
      onSuccess?.(rect);
    })
    .exec();
};

//- 小写数字转换成大写, 只处理到[0 ~ 99]
export const numberConvertToUppercase = (num) => {
  num = Number(num);
  const upperCaseNumber = [
    "零",
    "一",
    "二",
    "三",
    "四",
    "五",
    "六",
    "七",
    "八",
    "九",
    "十",
    "百",
    "千",
    "万",
    "亿",
  ];
  let length = String(num).length;
  if (length == 1) {
    return upperCaseNumber[num];
  } else if (length == 2) {
    if (num == 10) {
      return upperCaseNumber[num];
    } else if (num > 10 && num < 20) {
      return "十" + upperCaseNumber[String(num).charAt(1)];
    } else {
      return (
        upperCaseNumber[String(num).charAt(0)] +
        "十" +
        upperCaseNumber[String(num).charAt(1)].replace("零", "")
      );
    }
  }
};