对象属性转小写 方法…

/**
 * 对象属性转小写
 * @param {*} obj
 * @returns
 */
function ObjectKeys2LowerCase(obj) {
    const _lower = Object.fromEntries(Object.entries(obj).map(([k, v]) => [k.toLowerCase(), v]))
    return new Proxy(_lower, {
        get: function (target, propKey, receiver) {
            return Reflect.get(target, propKey.toLowerCase(), receiver)
        },
        set: function (target, propKey, value, receiver) {
            return Reflect.set(target, propKey.toLowerCase(), value, receiver)
        }
    })
}