求教： Java Nashorn 执行 js 和浏览器执行 js 结果不一致问题

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这是一个创建于 2390 天前的主题，其中的信息可能已经有所发展或是发生改变。

问题描述：

如题，需要在 java 代码中执行 js, 使用的是 java8 自带引擎；

ScriptEngine engine = new ScriptEngineManager().getEngineByName("nashorn");

解析如下 js 代码时，发现结果 与 浏览器执行结果不一致；

js:


function DeCode() {
    this.OO0O00OO00OO = function (a, b) {
        return b > 0 ? a.substring(0, b) : null;
    }, this.OO00OO0O00O0 = function (a, b) {
        return a.length - b >= 0 && a.length >= 0 && a.length - b <= a.length ? a.substring(a.length - b, a.length) : null;
    }, this.O0000OO0OO00O0 = function (a, b) {
        var c, d, e, f, g, h, i, j, k = "";
        for (c = 0; c < b.length; c++) {
            k += b.charCodeAt(c).toString();
        }
        for (d = Math.floor(k.length / 5), e = parseInt(k.charAt(d) + k.charAt(2 * d) + k.charAt(3 * d) + k.charAt(4 * d) + k.charAt(5 * d)),
                f = Math.round(b.length / 2), g = Math.pow(2, 31) - 1, h = parseInt(a.substring(a.length - 8, a.length), 16),
                a = a.substring(0, a.length - 8), k += h; k.length > 10; ) {
            k = (parseInt(k.substring(0, 10)) + parseInt(k.substring(10, k.length))).toString();
        }
        for (k = (e * k + f) % g, i = "", j = "", c = 0; c < a.length; c += 2) {
            i = parseInt(parseInt(a.substring(c, c + 2), 16) ^ Math.floor(255 * (k / g))), j += String.fromCharCode(i),
                    k = (e * k + f) % g;
        }
        return j;
    }, this.O0O000O0OO00O = function () {
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        return enkey;
    }, this.O = function (a, b) {
        return String.fromCharCode(parseInt(a) - parseInt(b));
    }, this.O0000OO0OO00O = function (a, b, c) {
        return a.length >= 0 ? a.substr(b, c) : null;
    }, this.O0O000000O0O0 = function (a) {
        return a.length;
    }, this.O000O0OO0O0OO = function (a) {
        b = this.O0O000O0OO00O();
        var h, i, j, k, l, m, n, o, p, c = b, d = this.O0O000000O0O0(c), e = d, f = new Array(), g = new Array();
        for (l = 1; d >= l; l++) {
            f[l] = this.O0000OO0OO00O(c, l - 1, 1).charCodeAt(0), g[e] = f[l], e -= 1;
        }
        for (h = "", i = a, m = this.OO0O00OO00OO(i, 2), i = this.OO00OO0O00O0(i, this.O0O000000O0O0(i) - 2),
                l = 0; l < this.O0O000000O0O0(i); l += 4) {
            j = this.O0000OO0OO00O(i, l, 4), "" != j && (b = this.OO0O00OO00OO(j, 1), k = (parseInt(this.OO00OO0O00O0(j, 3)) - 100) / 3,
                    m == this.O0000OO0OO00O0("a9ab044c634a", "O0000OO0OO00O") ? (n = 2 * parseInt(b.charCodeAt(0)),
                    o = parseInt(f[k]), p = n - o, h += String.fromCharCode(p)) : (n = 2 * parseInt(b.charCodeAt(0)),
                    o = parseInt(g[k]), p = n - o, h += String.fromCharCode(p)));
        }
        return h;
    };
}

function getUrl(){
    var XCODE = new DeCode();
    var file = XCODE.O000O0OO0O0OO('e0L1094112J121J12721393142M145015121574160J175518741903199N2145217N226G232K235c24742506253I2651268');
    var playUrl = 'http://demo.xxx.com/media/' + file + '.mp4';
    print('playUrl: ' + playUrl);
    return playUrl;
};
getUrl();

5 条回复 • 2018-05-13 15:45:03 +08:00