我用java分析了原神抽卡记录 |
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我用java分析了原神抽卡记录
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起因
我们都知道原神抽卡是有保底机制的，但是游戏里面只能按页查看抽卡记录，并没有各种数据统计，为了能够优化大家的游戏体验，本文就带大家用java爬虫来获取抽卡信息。 抽卡信息api解析由于我用的是安卓（鸿蒙）手机，所有就介绍安卓获取信息的办法。 对于每一个角色，在游戏内查看记录的时候都会有一个特定的api，我们需要获得这个api。 安卓（鸿蒙）的获取方法是 祈愿->查看历史记录->断网（手动断开手机的网络连接），然后把相应的api复制下来。
就是上面这个页面，断网后点击右上方橘色框中的按钮，然后就能得到你的查询链接
这个链接看起来是个get请求，将这个链接复制到浏览器中就可以得到查询页面
大概就是上面这个样子。 现在来详细看一下连接中带有的参数。 https://webstatic.mihoyo.com/hk4e/event/e20190909gacha/index.html? authkey_ver=1& sign_type=2& auth_appid=webview_gacha& init_type=301& gacha_id=50eef7be3b7945930041f9f20310e0bbcb8a7a& timestamp=1648597804& lang=zh-cn& device_type=mobile& ext=%7b%22loc%22%3a%7b%22x%22%3a-206.83416748046876%2c%22y%22%3a201.1728973388672%2c%22z%22%3a-993.37060546875%7d%2c%22platform%22%3a%22Android%22%7d& game_version=CNRELAndroid2.6.0_R6626848_S6641322_D6692205& plat_type=android& region=cn_gf01& authkey=wR9769ie0pACSLWz2W3ggPLgAe6jwLyaCX8%2f7qE2ywEWqPDFceqGlSewiU7u0%2fS7osSNc%2fyZKtg2LOrM%2fzAsw5W%2bOEKRrtqMC4CNmARgbGag0PC5q071zjwKbQyBx4LpkPjr7%2f%2bkaBLORncy8NcB6IMiqsXDYYot6DmhbytWKPRGH6XHxZOK6avncs1B7dxJYISjv5OuyqIzfQ8fynDtei7EclBKT8GXpdfaPd3M0Dq4QfD9qd8757g%2f4wSPqbxBHwvl5yFUv0k4VQsmladDiEbeseLPDxHzB6VggTijG3UoMGgVLqSlprUAdLEpYDIsOjqMUTa5oywDBUqXF%2fvhAt7fzyx8Cf2orSUjjpJZUEEtJSltDLCJlNUJllysfbo84lOJnNeUEJdPn91D0%2bLN1UG8J7%2fRgmF9TBtbLGHzFXkMk0TGWSkuF%2f1FNKm6VJtNX7K1V4PoPdk6u%2bLbmH3Wz4SR6ZJXCIgNwor6SKrKa0RxtY6skwPuNHlMPTO9FwSo0c1FN75X8iJaNUO5MuZrPVHbLkRoTZdpjFOiRh1R0P2UY%2b5MIR6wErfS6u7kK0Zxyz8n9IUG%2fc2IfHrys0WogXmmikxXQwB8LR9%2b6N%2bB2xvNzr6tRMVIHdamAetaHMM3cXXt2Iy7FiANW2B8gYbW2ts1zvN38Bf4zC6RNfRk2w9oSvKnEUsNA5po9eaBs1YSeBYf1FCj21jRj11K8x%2ffuwRO4zSLEvdYBHp2PJzM56Ddiyxflo5Im8p3HlR1dd8IguzhYySzw7uy%2bw2F00jx9gW%2fDFR5CGKOXil%2bUfOUFsI7V1qg7GX%2fLi3dzJBu6Nt1YXmJZf6SjKuOmUNU7vEBd14MPsc%2bUen80MXUCN6a28GovAixc1IWbcS%2fBhNsxR3ZkSIaMGRLvSssgY91Ah8QJXkUr6zbFZcTXUz4LGIQUmpolI22Nj5wPX5iiDwexLGqQgwn%2fhS5MYuWDAPxeaSOIlqQuVvmva3S8d083E%2bN6XWZLs%2bSS0SZ%2bCnYQmM59G1sNNoQJUwx8krxFoWQVPSASQy4QM6pLXUYYzP2sY%2bm9TD%2bzdWcm4Z%2fe16%2bClAFbCk5Y9rYXgxIshLDUIMjhSlQJkp7rqalYPQu8IewhX1VjDbQ6fEjD%2b8gg6QeBKGytwivPCZJoSKh%2fO7ebEawvTeSVHBvw1M3iztKHB2nk6QxQiGMfh%2b56qu3Tr8KxxqI9Dq1CePwbfIRhHHP7oujqBoJ2xuAY0VCgzRFfUViPdT8gTrHE7QEE6hNi4ZpZvqkQYTTXUW%2fgqvNFYYvmGUDs19g%2b8M0gELlcmNN%2bBUFl4TUUH0n%2fjiAy1CXyMf00wUtuNHfw8smHW9f8ELlLIgQd%2bWsZA%3d%3d& game_biz=hk4e_cn#/log为了能看的清晰一点，我把参数都用换行隔开了，如果你要用这个链接对服务器进行请求的话，要把空格删掉。 我们按照传统的爬虫方法区看html标签，会发现，换页标签中并没有包含超链接。
这个时候就要去看网络流信息了，我们打开开发者工具后，点击Network标签页，就能看到网络流。 打开Network标签页然后刷新页面，会得到下列信息，其中包括了页面请求的各种资源，这些都不重要，重要的是我下图选中的请求
这个请求在每次换页的时候都要发一起，现在来看一下该请求的详细参数 https://hk4e-api.mihoyo.com/event/gacha_info/api/getGachaLog? authkey_ver=1& sign_type=2& auth_appid=webview_gacha& init_type=301& gacha_id=50eef7be3b7945930041f9f20310e0bbcb8a7a& timestamp=1648597804& lang=zh-cn& device_type=mobile& ext=%7b%22loc%22%3a%7b%22x%22%3a-206.83416748046876%2c%22y%22%3a201.1728973388672%2c%22z%22%3a-993.37060546875%7d%2c%22platform%22%3a%22Android%22%7d& game_version=CNRELAndroid2.6.0_R6626848_S6641322_D6692205& plat_type=android& region=cn_gf01& authkey=wR9769ie0pACSLWz2W3ggPLgAe6jwLyaCX8%2f7qE2ywEWqPDFceqGlSewiU7u0%2fS7osSNc%2fyZKtg2LOrM%2fzAsw5W%2bOEKRrtqMC4CNmARgbGag0PC5q071zjwKbQyBx4LpkPjr7%2f%2bkaBLORncy8NcB6IMiqsXDYYot6DmhbytWKPRGH6XHxZOK6avncs1B7dxJYISjv5OuyqIzfQ8fynDtei7EclBKT8GXpdfaPd3M0Dq4QfD9qd8757g%2f4wSPqbxBHwvl5yFUv0k4VQsmladDiEbeseLPDxHzB6VggTijG3UoMGgVLqSlprUAdLEpYDIsOjqMUTa5oywDBUqXF%2fvhAt7fzyx8Cf2orSUjjpJZUEEtJSltDLCJlNUJllysfbo84lOJnNeUEJdPn91D0%2bLN1UG8J7%2fRgmF9TBtbLGHzFXkMk0TGWSkuF%2f1FNKm6VJtNX7K1V4PoPdk6u%2bLbmH3Wz4SR6ZJXCIgNwor6SKrKa0RxtY6skwPuNHlMPTO9FwSo0c1FN75X8iJaNUO5MuZrPVHbLkRoTZdpjFOiRh1R0P2UY%2b5MIR6wErfS6u7kK0Zxyz8n9IUG%2fc2IfHrys0WogXmmikxXQwB8LR9%2b6N%2bB2xvNzr6tRMVIHdamAetaHMM3cXXt2Iy7FiANW2B8gYbW2ts1zvN38Bf4zC6RNfRk2w9oSvKnEUsNA5po9eaBs1YSeBYf1FCj21jRj11K8x%2ffuwRO4zSLEvdYBHp2PJzM56Ddiyxflo5Im8p3HlR1dd8IguzhYySzw7uy%2bw2F00jx9gW%2fDFR5CGKOXil%2bUfOUFsI7V1qg7GX%2fLi3dzJBu6Nt1YXmJZf6SjKuOmUNU7vEBd14MPsc%2bUen80MXUCN6a28GovAixc1IWbcS%2fBhNsxR3ZkSIaMGRLvSssgY91Ah8QJXkUr6zbFZcTXUz4LGIQUmpolI22Nj5wPX5iiDwexLGqQgwn%2fhS5MYuWDAPxeaSOIlqQuVvmva3S8d083E%2bN6XWZLs%2bSS0SZ%2bCnYQmM59G1sNNoQJUwx8krxFoWQVPSASQy4QM6pLXUYYzP2sY%2bm9TD%2bzdWcm4Z%2fe16%2bClAFbCk5Y9rYXgxIshLDUIMjhSlQJkp7rqalYPQu8IewhX1VjDbQ6fEjD%2b8gg6QeBKGytwivPCZJoSKh%2fO7ebEawvTeSVHBvw1M3iztKHB2nk6QxQiGMfh%2b56qu3Tr8KxxqI9Dq1CePwbfIRhHHP7oujqBoJ2xuAY0VCgzRFfUViPdT8gTrHE7QEE6hNi4ZpZvqkQYTTXUW%2fgqvNFYYvmGUDs19g%2b8M0gELlcmNN%2bBUFl4TUUH0n%2fjiAy1CXyMf00wUtuNHfw8smHW9f8ELlLIgQd%2bWsZA%3d%3d& game_biz=hk4e_cn& gacha_type=301& page=1& size=6& end_id=0对比我们从游戏中获得的原始地址就会发现，他们的参数几乎一致，我把不一致的参数提取取出来，他们分别是 gacha_type=301& page=1& size=6& end_id=0 这个就是我们分页的请求参数啦。 其中gacha_type表示的是卡池信息，游戏中一共提供了4个卡池
四个卡池的对应的数字分别是（"新手祈愿"，100），（"常驻祈愿"， 200），（"活动祈愿1&2"，301 )，（"武器祈愿"，302）。 page和size就是分页的两个参数，比较容易理解，就不说了。 比较重要的是end_id这个参数，这个参数的值如果为0的话表示从头开始查，如果不为0就从传入的那个id开始，并且一次最多查询20条数据。 下面来看一个具体的请求例子，为了简单期间，我们把请求数量定为2，这样看起来比较直观。 { retcode: 0, message: "OK", data: { page: "5", size: "2", total: "0", list: [{ uid: "198952358", gacha_type: "400", item_id: "", count: "1", time: "2022-04-09 10:59:41", name: "翡玉法球", lang: "zh-cn", item_type: "武器", rank_type: "3", id: "1649469960001828158" }, { uid: "198952358", gacha_type: "400", item_id: "", count: "1", time: "2022-04-08 21:48:31", name: "以理服人", lang: "zh-cn", item_type: "武器", rank_type: "3", id: "1649423160001716358" } ], region: "cn_gf01" } } 使用java获取数据有了上面的基础信息，相信你已经胸有成竹了。 在解析之前，需要准备好两个jar包
我们先定义一个实体类，接收接口返回的信息 public class ItemEntity { private String uid; private String item_id; private String item_type; private String count; private String name; private String gacha_type; private String time; private String id; private String lang; private String rank_type; public ItemEntity() { } public ItemEntity(String uid, String item_id, String item_type, String count, String name, String gacha_type, String time, String id, String lang, String rank_type) { this.uid = uid; this.item_id = item_id; this.item_type = item_type; this.count = count; this.name = name; this.gacha_type = gacha_type; this.time = time; this.id = id; this.lang = lang; this.rank_type = rank_type; } public String getUid() { return uid; } public void setUid(String uid) { this.uid = uid; } public String getItem_id() { return item_id; } public void setItem_id(String item_id) { this.item_id = item_id; } public String getItem_type() { return item_type; } public void setItem_type(String item_type) { this.item_type = item_type; } public String getCount() { return count; } public void setCount(String count) { this.count = count; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getGacha_type() { return gacha_type; } public void setGacha_type(String gacha_type) { this.gacha_type = gacha_type; } public String getTime() { return time; } public void setTime(String time) { this.time = time; } public String getId() { return id; } public void setId(String id) { this.id = id; } public String getLang() { return lang; } public void setLang(String lang) { this.lang = lang; } public String getRank_type() { return rank_type; } public void setRank_type(String rank_type) { this.rank_type = rank_type; } @Override public String toString() { return "ItemEntity{" + "uid='" + uid + '\'' + ", item_id='" + item_id + '\'' + ", item_type='" + item_type + '\'' + ", count='" + count + '\'' + ", name='" + name + '\'' + ", gacha_type='" + gacha_type + '\'' + ", time='" + time + '\'' + ", id='" + id + '\'' + ", lang='" + lang + '\'' + ", rank_type='" + rank_type + '\'' + '}'; } }然后使用一个小案例，解析json，并且将相应信息变成上面的实体类 public class MiHaYouSoup { public static void main(String[] args) throws Exception { // 这里填你自己的url String url = "https://hk4e-api.mihoyo.com/event/gacha_info/api/getGachaLog?authkey_ver=1&sign_type=2&auth_appid=webview_gacha&init_type=301&gacha_id=50eef7be3b7945930041f9f20310e0bbcb8a7a×tamp=1648597804&lang=zh-cn&device_type=mobile&ext=%7b%22loc%22%3a%7b%22x%22%3a-206.83416748046876%2c%22y%22%3a201.1728973388672%2c%22z%22%3a-993.37060546875%7d%2c%22platform%22%3a%22Android%22%7d&game_version=CNRELAndroid2.6.0_R6626848_S6641322_D6692205&plat_type=android®ion=cn_gf01&authkey=wR9769ie0pACSLWz2W3ggPLgAe6jwLyaCX8%2f7qE2ywEWqPDFceqGlSewiU7u0%2fS7osSNc%2fyZKtg2LOrM%2fzAsw5W%2bOEKRrtqMC4CNmARgbGag0PC5q071zjwKbQyBx4LpkPjr7%2f%2bkaBLORncy8NcB6IMiqsXDYYot6DmhbytWKPRGH6XHxZOK6avncs1B7dxJYISjv5OuyqIzfQ8fynDtei7EclBKT8GXpdfaPd3M0Dq4QfD9qd8757g%2f4wSPqbxBHwvl5yFUv0k4VQsmladDiEbeseLPDxHzB6VggTijG3UoMGgVLqSlprUAdLEpYDIsOjqMUTa5oywDBUqXF%2fvhAt7fzyx8Cf2orSUjjpJZUEEtJSltDLCJlNUJllysfbo84lOJnNeUEJdPn91D0%2bLN1UG8J7%2fRgmF9TBtbLGHzFXkMk0TGWSkuF%2f1FNKm6VJtNX7K1V4PoPdk6u%2bLbmH3Wz4SR6ZJXCIgNwor6SKrKa0RxtY6skwPuNHlMPTO9FwSo0c1FN75X8iJaNUO5MuZrPVHbLkRoTZdpjFOiRh1R0P2UY%2b5MIR6wErfS6u7kK0Zxyz8n9IUG%2fc2IfHrys0WogXmmikxXQwB8LR9%2b6N%2bB2xvNzr6tRMVIHdamAetaHMM3cXXt2Iy7FiANW2B8gYbW2ts1zvN38Bf4zC6RNfRk2w9oSvKnEUsNA5po9eaBs1YSeBYf1FCj21jRj11K8x%2ffuwRO4zSLEvdYBHp2PJzM56Ddiyxflo5Im8p3HlR1dd8IguzhYySzw7uy%2bw2F00jx9gW%2fDFR5CGKOXil%2bUfOUFsI7V1qg7GX%2fLi3dzJBu6Nt1YXmJZf6SjKuOmUNU7vEBd14MPsc%2bUen80MXUCN6a28GovAixc1IWbcS%2fBhNsxR3ZkSIaMGRLvSssgY91Ah8QJXkUr6zbFZcTXUz4LGIQUmpolI22Nj5wPX5iiDwexLGqQgwn%2fhS5MYuWDAPxeaSOIlqQuVvmva3S8d083E%2bN6XWZLs%2bSS0SZ%2bCnYQmM59G1sNNoQJUwx8krxFoWQVPSASQy4QM6pLXUYYzP2sY%2bm9TD%2bzdWcm4Z%2fe16%2bClAFbCk5Y9rYXgxIshLDUIMjhSlQJkp7rqalYPQu8IewhX1VjDbQ6fEjD%2b8gg6QeBKGytwivPCZJoSKh%2fO7ebEawvTeSVHBvw1M3iztKHB2nk6QxQiGMfh%2b56qu3Tr8KxxqI9Dq1CePwbfIRhHHP7oujqBoJ2xuAY0VCgzRFfUViPdT8gTrHE7QEE6hNi4ZpZvqkQYTTXUW%2fgqvNFYYvmGUDs19g%2b8M0gELlcmNN%2bBUFl4TUUH0n%2fjiAy1CXyMf00wUtuNHfw8smHW9f8ELlLIgQd%2bWsZA%3d%3d&game_biz=hk4e_cn&gacha_type=301&page=5&size=2&end_id=1649513160000977558"; Document document = Jsoup.connect(url).header("Accept", "*/*").header("Accept-Encoding", "gzip, deflate") .header("Accept-Language", "zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3") .header("Content-Type", "application/json;charset=UTF-8") .header("Content-Type", "application/x-javascript;charset=UTF-8") .header("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0") .timeout(10000).ignoreContentType(true).get(); System.out.println(document.body().text()); String jsonstr = document.body().text(); // 将json字符串转为map Map map1 = (Map) JSON.parse(jsonstr); System.out.println(map1.get("data")); // 获取data中的list信息 Map map2 = (Map) JSON.parse(map1.get("data").toString()); List itemEntityList = JSON.parseArray(map2.get("list").toString(), ItemEntity.class); System.out.println(itemEntityList); for(int i=0; i |
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