fenzhi-utils/globalMethods/CustomNumber/CustomConverPercent.js

分值前端项目的js函数库

/**
 * 将传入的数字乘以100并保留指定位数的小数，如果无法转换为数字则返回空字符串。
 * @param {number} data 要转换的百分数
 * @param {number} num 保留几位小数
 * @returns {string} 返回转换后的百分数
 */
/**
test('CustomConverPercent', () => {
  expect(CustomConverPercent(0.123456)).toBe('12.35')
  expect(CustomConverPercent(0.123456, 3)).toBe('12.346')
  expect(CustomConverPercent('0.123456')).toBe('12.35')
  expect(CustomConverPercent('0.123456', 3)).toBe('12.346')
  expect(CustomConverPercent('')).toBe('')
  expect(CustomConverPercent(null)).toBe('')
  expect(CustomConverPercent(undefined)).toBe('')
  expect(CustomConverPercent(Infinity)).toBe('')
})
 */
export function CustomConverPercent(data, num = 2) {
  data = parseFloat(data);
  // 如果不能强制转换为数字 比如：null undefined ''等 则返回 ''
  if (isNaN(data) || data === Infinity) return '';
  data *= 100;
  return data.toFixed(num);
}