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index.js
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index.js
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// a. index.js 入口文件
import Format from "./src/format";
import Validate from "./src/validate";
export { Format, Validate };
// b. format.js 格式化文件
const Validate = {
/**
* 手机号校验
*/
mobileCheck: (value) => /^[1][3,4,5,7,8][0-9]{9}$/.test(value),
/**
* 身份证校验
*/
IDCardCheck: (value) =>
/^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/.test(
value
),
/**
* 邮箱校验
*/
emailCheck: (value) =>
/^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/.test(value),
};
export default Validate;
// c. validate.js 校验文件
// 解决toFixed保留小数的问题
const formatToFixed = (money, decimals = 2) => {
return (
Math.round(
(parseFloat(money) + Number.EPSILON) * Math.pow(10, decimals)
) / Math.pow(10, decimals)
).toFixed(decimals);
}
const Format = {
// 格式化金额展示: 12341234.246 -> $ 12,341,234.25
formatMoney: (money, symbol = "", decimals = 2) =>
formatToFixed(money, decimals)
.replace(/\B(?=(\d{3})+\b)/g, ",")
.replace(/^/, `${symbol}`),
};
export default Format;