function Iterator(dict, name){
    if(typeof(dict) !== "object"){
        Log(name, " : ", dict)
        return
    }else{
        Log(name, "#FF0000")
    }
    for(var k in dict){
        Iterator(dict[k], k)
    }
}

function main() {
    var jsonObj = {
        "bigone": {
            "BTC/USDT": {
                "enable": 0,
                "amount_prec": 5,
                "buy_fee_ratio": 0.001,
                "delay_threshold": 300,
                "depth_ratio": 0.2,
                "maxtrd_amount": 0.01,
                "mintrd": 10,
                "mintrd_type": "quote",
                "pause_rounds": 5,
                "price_prec": 3,
                "sell_fee_ratio": 0.001
            },
            "EOS/BTC": {
                "amount_prec": 1,
                "buy_fee_ratio": 0.001,
                "delay_threshold": 300,
                "depth_ratio": 0.2,
                "maxtrd_amount": 5,
                "mintrd": 0.001,
                "mintrd_type": "quote",
                "pause_rounds": 5,
                "price_prec": 8,
                "sell_fee_ratio": 0.001
            },
            "EOS/USDT": {
                "amount_prec": 4,
                "buy_fee_ratio": 0.001,
                "delay_threshold": 300,
                "depth_ratio": 0.2,
                "maxtrd_amount": 5,
                "mintrd": 10,
                "mintrd_type": "quote",
                "pause_rounds": 5,
                "price_prec": 3,
                "sell_fee_ratio": 0.001
            },
            "ETC/BTC": {
                "amount_prec": 2,
                "buy_fee_ratio": 0.001,
                "delay_threshold": 300,
                "depth_ratio": 0.2,
                "maxtrd_amount": 4,
                "mintrd": 0.001,
                "mintrd_type": "quote",
                "pause_rounds": 5,
                "price_prec": 8,
                "sell_fee_ratio": 0.001
            },
            "ETH/BTC": {
                "amount_prec": 4,
                "buy_fee_ratio": 0.001,
                "delay_threshold": 300,
                "depth_ratio": 0.2,
                "maxtrd_amount": 0.1,
                "mintrd": 0.001,
                "mintrd_type": "quote",
                "pause_rounds": 5,
                "price_prec": 8,
                "sell_fee_ratio": 0.001
            },
            "ETH/EOS": {
                "amount_prec": 4,
                "buy_fee_ratio": 0.001,
                "delay_threshold": 300,
                "depth_ratio": 0.2,
                "maxtrd_amount": 0.1,
                "mintrd": 1,
                "mintrd_type": "quote",
                "pause_rounds": 5,
                "price_prec": 1,
                "sell_fee_ratio": 0.001
            },
            "ETH/USDT": {
                "enable": 0,
                "amount_prec": 4,
                "buy_fee_ratio": 0.001,
                "delay_threshold": 300,
                "depth_ratio": 0.2,
                "maxtrd_amount": 0.1,
                "mintrd": 10,
                "mintrd_type": "quote",
                "pause_rounds": 5,
                "price_prec": 3,
                "sell_fee_ratio": 0.001
            }
        }
    }
    
    Iterator(jsonObj)
}

写了个简单的， 可能不完善，参考下。

JS 对于 JSON 对象 直接 可以用 for ... in... 遍历， 如果要获取 键值 ， 直接用 键名 就可以获取。