dy , __ac_signature ，ttwid，参数生成

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案例网址

aHR0cHM6Ly93d3cuZG91eWluLmNvbS8=

请求首页什么都不带会返回一段js代码，我们把这个js代码拿下来，然后补个环境就能生成__ac_signature ，然后再带着这个参数在请求就能获取到ttwid了，这个ttwid几乎每个接口都会用到我补的多了可以用

ua = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 Edg/124.0.0.0'
window = global;
location = {
    "ancestorOrigins": {},
    "href": "https://www.douyin.com/video/7356927761941925120",
    "origin": "https://www.douyin.com",
    "protocol": "https:",
    "host": "www.douyin.com",
    "hostname": "www.douyin.com",
    "port": "",
    "pathname": "/video/7356927761941925120",
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    "hash": ""
};
document = {
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    "referrer": "https://www.douyin.com/video/7356927761941925120",
};
navigator = {
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            "name": "PDF Viewer",
            "filename": "internal-pdf-viewer"
        },
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            "length": 2,
            "item": function (a, b, c, d, e, f, g) {
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            "filename": "internal-pdf-viewer"
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            "item": function (a, b, c, d, e, f, g) {
            },
            "name": "Chromium PDF Viewer",
            "filename": "internal-pdf-viewer"
        }
    },
    "webdriver": false,
    "userAgent": ua,  // 与你请求发送时相同的userAgent
    "platform": "Win32",
    "appCodeName": "Mozilla",
    "appName": "Netscape",
    "appVersion": ua,  // 与你请求发送时相同的userAgent
    "language": "zh-CN",
    "product": "Gecko",
    "productSub": "20030107",
    "vendor": "Google Inc.",
    "vendorSub": "",
    "cookieEnabled": true,
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