文章列表页链接：
String fromUrl="https://www.toutiao.com/pgc/ma/?page_type=1&max_behot_time="+time+"&uid="+topicId+"&media_id="+media_id+"&output=json&is_json=1&count=20&from=user_profile_app&version=2&as="+param.get("as")+"&cp="+ param.get("cp");
//获取cp,as参数
方法一：
public static JSONObject getUrlParam() {
JSONObject jsonObject = null;
FileReader reader = null;
try {
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("javascript");
String jsFileName = "toutiao.js"; // 读取js文件
reader = new FileReader(jsFileName); // 执行指定脚本
engine.eval(reader);
if (engine instanceof Invocable) {
Invocable invoke = (Invocable) engine;
Object obj = invoke.invokeFunction("getParam");
jsonObject = JSONObject.fromObject((obj != null ? obj
.toString() : null));
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (reader != null) {
reader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return jsonObject;
}
js文件
function getParam(){
var asas;
var cpcp;
var t = Math.floor((new Date).getTime() / 1e3)
, e = t.toString(16).toUpperCase()
, i = md5(t).toString().toUpperCase();
if (8 != e.length){
asas = "479BB4B7254C150";
cpcp = "7E0AC8874BB0985";
}else{
for (var n = i.slice(0, 5), o = i.slice(-5), a = "", s = 0; 5 > s; s++){
a += n[s] + e[s];
}
for (var r = "", c = 0; 5 > c; c++){
r += e[c + 3] + o[c];
}
asas = "A1" + a + e.slice(-3);
cpcp= e.slice(0, 3) + r + "E1";
}
return '{"as":"'+asas+'","cp":"'+cpcp+'"}';
}
!function(e) {
"use strict";
function t(e, t) {
var n = (65535 & e) + (65535 & t)
, r = (e >> 16) + (t >> 16) + (n >> 16);
return r << 16 | 65535 & n
}
function n(e, t) {
return e << t | e >>> 32 - t
}
function r(e, r, o, i, a, u) {
return t(n(t(t(r, e), t(i, u)), a), o)
}
function o(e, t, n, o, i, a, u) {
return r(t & n | ~t & o, e, t, i, a, u)
}
function i(e, t, n, o, i, a, u) {
return r(t & o | n & ~o, e, t, i, a, u)
}
function a(e, t, n, o, i, a, u) {
return r(t ^ n ^ o, e, t, i, a, u)
}
function u(e, t, n, o, i, a, u) {
return r(n ^ (t | ~o), e, t, i, a, u)
}
function s(e, n) {
e[n >> 5] |= 128 << n % 32,
e[(n + 64 >>> 9 << 4) + 14] = n;
var r, s, c, l, f, p = 1732584193, d = -271733879, h = -1732584194, m = 271733878;
for (r = 0; r < e.length; r += 16)
s = p,
c = d,
l = h,
f = m,
p = o(p, d, h, m, e[r], 7, -680876936),
m = o(m, p, d, h, e[r + 1], 12, -389564586),
h = o(h, m, p, d, e[r + 2], 17, 606105819),
d = o(d, h, m, p, e[r + 3], 22, -1044525330),
p = o(p, d, h, m, e[r + 4], 7, -176418897),
m = o(m, p, d, h, e[r + 5], 12, 1200080426),
h = o(h, m, p, d, e[r + 6], 17, -1473231341),
d = o(d, h, m, p, e[r + 7], 22, -45705983),
p = o(p, d, h, m, e[r + 8], 7, 1770035416),
m = o(m, p, d, h, e[r + 9], 12, -1958414417),
h = o(h, m, p, d, e[r + 10], 17, -42063),
d = o(d, h, m, p, e[r + 11], 22, -1990404162),
p = o(p, d, h, m, e[r + 12], 7, 1804603682),
m = o(m, p, d, h, e[r + 13], 12, -40341101),
h = o(h, m, p, d, e[r + 14], 17, -1502002290),
d = o(d, h, m, p, e[r + 15], 22, 1236535329),
p = i(p, d, h, m, e[r + 1], 5, -165796510),
m = i(m, p, d, h, e[r + 6], 9, -1069501632),
h = i(h, m, p, d, e[r + 11], 14, 643717713),
d = i(d, h, m, p, e[r], 20, -373897302),
p = i(p, d, h, m, e[r + 5], 5, -701558691),
m = i(m, p, d, h, e[r + 10], 9, 38016083),
h = i(h, m, p, d, e[r + 15], 14, -660478335),
d = i(d, h, m, p, e[r + 4], 20, -405537848),
p = i(p, d, h, m, e[r + 9], 5, 568446438),
m = i(m, p, d, h, e[r + 14], 9, -1019803690),
h = i(h, m, p, d, e[r + 3], 14, -187363961),
d = i(d, h, m, p, e[r + 8], 20, 1163531501),
p = i(p, d, h, m, e[r + 13], 5, -1444681467),
m = i(m, p, d, h, e[r + 2], 9, -51403784),
h = i(h, m, p, d, e[r + 7], 14, 1735328473),
d = i(d, h, m, p, e[r + 12], 20, -1926607734),
p = a(p, d, h, m, e[r + 5], 4, -378558),
m = a(m, p, d, h, e[r + 8], 11, -2022574463),
h = a(h, m, p, d, e[r + 11], 16, 1839030562),
d = a(d, h, m, p, e[r + 14], 23, -35309556),
p = a(p, d, h, m, e[r + 1], 4, -1530992060),
m = a(m, p, d, h, e[r + 4], 11, 1272893353),
h = a(h, m, p, d, e[r + 7], 16, -155497632),
d = a(d, h, m, p, e[r + 10], 23, -1094730640),
p = a(p, d, h, m, e[r + 13], 4, 681279174),
m = a(m, p, d, h, e[r], 11, -358537222),
h = a(h, m, p, d, e[r + 3], 16, -722521979),
d = a(d, h, m, p, e[r + 6], 23, 76029189),
p = a(p, d, h, m, e[r + 9], 4, -640364487),
m = a(m, p, d, h, e[r + 12], 11, -421815835),
h = a(h, m, p, d, e[r + 15], 16, 530742520),
d = a(d, h, m, p, e[r + 2], 23, -995338651),
p = u(p, d, h, m, e[r], 6, -198630844),
m = u(m, p, d, h, e[r + 7], 10, 1126891415),
h = u(h, m, p, d, e[r + 14], 15, -1416354905),
d = u(d, h, m, p, e[r + 5], 21, -57434055),
p = u(p, d, h, m, e[r + 12], 6, 1700485571),
m = u(m, p, d, h, e[r + 3], 10, -1894986606),
h = u(h, m, p, d, e[r + 10], 15, -1051523),
d = u(d, h, m, p, e[r + 1], 21, -2054922799),
p = u(p, d, h, m, e[r + 8], 6, 1873313359),
m = u(m, p, d, h, e[r + 15], 10, -30611744),
h = u(h, m, p, d, e[r + 6], 15, -1560198380),
d = u(d, h, m, p, e[r + 13], 21, 1309151649),
p = u(p, d, h, m, e[r + 4], 6, -145523070),
m = u(m, p, d, h, e[r + 11], 10, -1120210379),
h = u(h, m, p, d, e[r + 2], 15, 718787259),
d = u(d, h, m, p, e[r + 9], 21, -343485551),
p = t(p, s),
d = t(d, c),
h = t(h, l),
m = t(m, f);
return [p, d, h, m]
}
function c(e) {
var t, n = "";
for (t = 0; t < 32 * e.length; t += 8)
n += String.fromCharCode(e[t >> 5] >>> t % 32 & 255);
return n
}
function l(e) {
var t, n = [];
for (n[(e.length >> 2) - 1] = void 0,
t = 0; t < n.length; t += 1)
n[t] = 0;
for (t = 0; t < 8 * e.length; t += 8)
n[t >> 5] |= (255 & e.charCodeAt(t / 8)) << t % 32;
return n
}
function f(e) {
return c(s(l(e), 8 * e.length))
}
function p(e, t) {
var n, r, o = l(e), i = [], a = [];
for (i[15] = a[15] = void 0,
o.length > 16 && (o = s(o, 8 * e.length)),
n = 0; 16 > n; n += 1)
i[n] = 909522486 ^ o[n],
a[n] = 1549556828 ^ o[n];
return r = s(i.concat(l(t)), 512 + 8 * t.length),
c(s(a.concat(r), 640))
}
function d(e) {
var t, n, r = "0123456789abcdef", o = "";
for (n = 0; n < e.length; n += 1)
t = e.charCodeAt(n),
o += r.charAt(t >>> 4 & 15) + r.charAt(15 & t);
return o
}
function h(e) {
return unescape(encodeURIComponent(e))
}
function m(e) {
return f(h(e))
}
function g(e) {
return d(m(e))
}
function v(e, t) {
return p(h(e), h(t))
}
function y(e, t) {
return d(v(e, t))
}
function b(e, t, n) {
return t ? n ? v(t, e) : y(t, e) : n ? m(e) : g(e)
}
"function" == typeof define && define.amd ? define("static/js/lib/md5", ["require"], function() {
return b
}) : "object" == typeof module && module.exports ? module.exports = b : e.md5 = b
}(this)
方法二：
public static Map<String,String> getAsCp(){
String as = "479BB4B7254C150";
String cp = "7E0AC8874BB0985";
int t = (int) (new Date().getTime()/1000);
String e = Integer.toHexString(t).toUpperCase();
String i = DigestUtils.md5DigestAsHex(String.valueOf(t).getBytes()).toUpperCase();
if (e.length()==8) {
char[] n = i.substring(0,5).toCharArray();
char[] a = i.substring(i.length()-5).toCharArray();
StringBuilder s = new StringBuilder();
StringBuilder r = new StringBuilder();
for (int o = 0; o < 5; o++) {
s.append(n[o]).append(e.substring(o,o+1));
r.append(e.substring(o+3,o+4)).append(a[o]);
}
as = "A1" + s + e.substring(e.length()-3);
cp = e.substring(0,3) + r + "E1";
}
Map<String,String> map = new HashMap<String, String>();
map.put("as",as);
map.put("cp",cp);
return map;
}
最终链接
https://www.toutiao.com/pgc/ma/?page_type=1&max_behot_time=0&uid=4322732825&media_id=4322811941&output=json&is_json=1&count=20&from=user_profile_app&version=2&as=A195BB5540946B6&cp=5B5024361BF69E1