格式化get请求参数-JZTXT

function serializeData(data) {
    let arr = [];

    function keyName(key, name) {
        return name ? `${name}[key]` : key;
    }

    const serialize = (obj, name) => {
        for (let key in obj) {
            if (obj[key] === undefined) continue;
            switch (Object.prototype.toString.call(obj[key])) {
                case "[object Object]":
                    serialize(obj[key], key);
                    break;
                case "[object Array]":
                    let array = obj[key];
                    for (let i = 0; i < array.length; i++) {
                        arr.push(keyName(key, name) + "=" + array[i]);
                    }
                    break;
                default:
                    arr.push(keyName(key, name) + "=" + obj[key]);
            }
        }
    };

    serialize(data);
    return arr.join("&")
}

console.log(serializeData({
    a: 1,
    b: {
        b1: 1
    }
}));