我正在创建一个 Greasemonkey 脚本,该脚本读取基于文本的游戏中的信息并将其存储到数据库中以供将来使用。
我想要的是能够读取用户的统计信息并将这些统计信息转换为变量,以便我可以继续使信息变得有用。
这是我想从中获取统计信息的表的源代码:
<table width="100%">
<tr>
<td width="50%" valign="top" style="padding-right: 25px;">
<table class="table_lines" width="100%" cellspacing="0" cellpadding="6" border="0">
<tr>
<th colspan="3">Military Effectiveness</th>
</tr>
<tr>
<td><b>Strike Action</b></td>
<td align="right">16,376,469,657</td>
<td align="right">Ranked #443</td>
</tr>
<tr>
<td><b>Defensive Action</b></td>
<td align="right">4,016,716,436</td>
<td align="right">Ranked #569</td>
</tr>
<tr>
<td><b>Spy Rating</b></td>
<td align="right">12,245,896</td>
<td align="right">Ranked #1,204</td>
</tr>
<tr>
<td><b>Sentry Rating</b></td>
<td align="right">5,291,630,090</td>
<td align="right">Ranked #831</td>
</tr>
</table>
现在你可以看到统计数据没有识别类 ID 或任何东西,所以我不知道如何做到这一点。我只真正使用 PHP,所以 JavaScript 对我来说很新,但看起来与 PHP 很相似。
也许会写着“之后<td><b>Strike Action</b></td>
,获取第一个 td 值”然后将其作为变量?
注意:攻击行动、防御行动、间谍评级和哨兵评级是我需要的变量。
- Use jQuery http://api.jquery.com/使解析表更容易。
- 既然您想要评级,请不要忘记将数字解析为 JavaScript 整数。
- 如果页面是 AJAX 驱动的,请使用AJAX 感知技术 https://stackoverflow.com/questions/8281441/fire-greasemonkey-script-on-ajax-request.
Here is 完整的 Greasemonkey/Tampermonkey 脚本展示如何做到这一切:
// ==UserScript==
// @name _Parse table information that has low information scent.
// @include http://YOUR_SERVER.COM/YOUR_PATH/*
// @include http://bilalrammal.ca/clicker/tester.html
// @require http://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js
// @require https://gist.github.com/raw/2625891/waitForKeyElements.js
// @grant GM_addStyle
// ==/UserScript==
/*- The @grant directive is needed to work around a design change
introduced in GM 1.0. It restores the sandbox.
*/
waitForKeyElements (".table_lines", parseMilitaryEffectivenessTable);
function parseMilitaryEffectivenessTable (jNode) {
//--- Note that :contains() is case-sensitive.
var strikeAction = jNode.find ("tr:contains('Strike Action') td:eq(1)").text ();
var defensiveAction = jNode.find ("tr:contains('Defensive Action') td:eq(1)").text ();
var spyRating = jNode.find ("tr:contains('Spy Rating') td:eq(1)").text ();
var sentryRating = jNode.find ("tr:contains('Sentry Rating') td:eq(1)").text ();
//--- Convert strings to integers...
strikeAction = parseInt (strikeAction .replace (/\D/g, ""), 10);
defensiveAction = parseInt (defensiveAction.replace (/\D/g, ""), 10);
spyRating = parseInt (spyRating .replace (/\D/g, ""), 10);
sentryRating = parseInt (sentryRating .replace (/\D/g, ""), 10);
//--- Show on console:
console.log ("strikeAction: ", strikeAction);
console.log ("defensiveAction: ", defensiveAction);
console.log ("spyRating: ", spyRating);
console.log ("sentryRating: ", sentryRating);
}
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