onst md5 = require("md5");

async cidian_query(word) {
    if (!word) {
        return "";
    }
    let q = word;
    let from = "zh";
    let to = "en";
    if (this.tozh) {
        from = "en";
        to = "zh";
    } else {
        from = "zh";
        to = "en";
    }
    let appid = "xxx";
    let key = "xxxx";
    let salt = "10086";
    let sign = md5("" + appid + q + salt + key);

    let data = await this.mpost2(
        "https://fanyi-api.baidu.com/api/trans/vip/translate",
        {
            q,
            from,
            to,
            appid,
            salt,
            sign
        }
    );
    if (data.error_code) {
        this.$Message.error(data.error_msg);
        return "";
    } else {
        let trans_result = data.trans_result;

        let str_arr = [];
        if (trans_result && trans_result.length > 0) {
            for (let i = 0; i < trans_result.length; i++) {
                let item = trans_result[i];
                str_arr.push(item.dst);
            }
        }
        console.info("转换:", str_arr.join("\n"));
        return str_arr.join("\n");
    }
}

mpost(url, para) {
    let bodystr = "";
    for (let item in para) {
        if (item === "q") {
            bodystr += "&" + item + "=" + encodeURIComponent(para[item]);
        } else {
            bodystr += "&" + item + "=" + para[item];
        }
    }
    bodystr = bodystr.slice(1, bodystr.length);
    return new Promise(function(resolve, reject) {
        request(
            {
                url: url,
                method: "POST",
                json: true,
                headers: {
                    "content-type": "application/x-www-form-urlencoded; charset=UTF-8"
                },
                body: bodystr
            },
            function(error, response, body) {
                if (!error && response.statusCode === 200) {
                    resolve(body);
                } else {
                    reject("请求接口失败");
                }
            }
        );
    });
}

window.sleep = function(time) {
    return new Promise(resolve => {
        setTimeout(resolve, time);
    });
};
word = await this.cidian_query(word);
await window.sleep(1000);