python的execjs执行js如何获取js函数的return值


var NodeRSA = require('node-rsa')var fs = require('fs')
function decrypt(crypt_data, pub_path) {
 fs.readFile(pub_path, function (err, data) {
    var key = new NodeRSA(data);
    let rawText = key.decryptPublic(crypt_data, 'utf8');
    console.log(rawText);
    return rawText;
 });
}
python方面如何接收到js函数(decrypt)的返回值呢?
回答:
decrypt内部异步了, 这个return rawText;不是decrypt返回值, 用readFileSync, 还有就是,说好的代码不要用图片呢!!!
var NodeRSA = require('node-rsa')var fs = require('fs')
function decrypt(crypt_data, pub_path) {
    var data = fs.readFileSync(pub_path);
    var key = new NodeRSA(data);
    let rawText = key.decryptPublic(crypt_data, 'utf8');
    console.log(rawText);
    return rawText;
}
查看nodejs API
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