临大大数据考试脚本

[title]原理[/title]

• 穷举法获取题库
• 油猴脚本答题
• 手动提交

[title]客户端[/title]

// ==UserScript==
// @name         luobeigo考试辅助
// @namespace    luobeigo
// @version      0.1
// @description  get nice grade
// @author       kamino
// @match        http://exam.luobeigo.com/index.php?exam-app-exam-paper
// @grant        none

// ==/UserScript==
$(function () {
    const formHtml = $('form').html();

    $.ajax({
        url: 'http://localhost/jb/query.php',
        data: {
            'data': formHtml
        },
        type: 'post',
        dataType: 'json',
        timeout: 10000,
        success: function (result, status, xhr) {
            console.log(result);
            if (status === 'success') {
                startAnswer(result)
            }
        },
        error: function (xhr, status, error) {
            console.log(xhr + status + error)
        }

    });

    function startAnswer(result) {
        for (let i = 0; i < result.length; i++) {
            console.log("no. " + i);
            let qtid = result[i]['id'];
            let qtas = result[i]['ans'];
            for (let j = 0; j < qtas.length; j++) {
                console.log(qtas[j]);
                $("input[rel='" + qtid + "'][value='" + qtas[j] + "']").click()
            }
        }
    }

});

[title]服务端[/title]

使用的项目

simple_html_dom、 wcurl

数据库

database: luobeigo

table: answer(id, ans)

<?php
/**
 * Author: kamino
 * CreateTime: 2018/7/1,上午 09:36
 * Description:
 * Version:
 */

header( "Access-Control-Allow-Origin: *" );

require_once "lib/htmldom.class.php";

function loadExam( $html = "" ) {
	$qtAll = fHtml( $html, "div.paperexamcontent" );
	//$qtNum  = count( $qtAll );
	$qtList = array();
	foreach ( $qtAll AS $id => $qt ) {
		$qtList[ $id ]["id"] = trim( str_replace( "questions_", "", $qtAll[ $id ]->id ) );
		//$qtList[ $id ]["title"]       = str_replace( "<a name=\"question_{$qtList[ $id ]["id"]}\">     </a>", "", trim( fHtml( $qtAll[ $id ], "div.choice", 0 )->innertext ) );
		//$choice                       = trim( fHtml( $qtAll[ $id ], "div.choice", 1 )->innertext );
		//$qtList[ $id ]["choice"]["A"] = trim( fHtml( $choice, "p", 0 )->innertext );
		//$qtList[ $id ]["choice"]["B"] = trim( fHtml( $choice, "p", 1 )->innertext );
		//$qtList[ $id ]["choice"]["C"] = trim( fHtml( $choice, "p", 2 )->innertext );
		//$qtList[ $id ]["choice"]["D"] = trim( fHtml( $choice, "p", 3 )->innertext );
	}

	return $qtList;
}

function fHtml( $data, $tag, $id = - 1 ) {
	$shd = new simple_html_dom();
	$shd->load( $data );

	return $id >= 0 ? $shd->find( $tag, $id ) : $shd->find( $tag );
}

function getAnswer( $id ) {
	$conn = new mysqli( "localhost", "username", "password", "luobeigo" );
	if ( $conn->connect_error ) {
		die( $conn->error );
	}
	$result = $conn->query( "SELECT `ans` FROM `answer` WHERE `id` = '{$id}';" );
	if ( $result->num_rows != 1 ) {
		return false;
	}
	$row = $result->fetch_assoc();
	$str = array();

	for ( $i = 0; $i < strlen( $row["ans"] ); $i ++ ) {
		$str[] = $row["ans"][ $i ];
	}

	return $str;
}

function main() {
	//$data = file_get_contents( "tmp.html" );

	$data = $_POST["data"];
	$list = loadExam( $data );


	$responseArr = array();

	foreach ( $list as $i => $item ) {
		$responseArr[ $i ]["id"]  = $item["id"];
		$responseArr[ $i ]["ans"] = getAnswer( $item["id"] );
	}

	return json_encode( $responseArr );
}

echo main();

<?php
/**
 * Author: kamino
 * CreateTime: 2018/7/1,上午 10:55
 * Description:
 * Version:
 */

require_once "lib/wcurl.class.php";
require_once "lib/htmldom.class.php";

//cookie换成自己的
define( "COOKIE", "" );

function getPage( $ehid ) {
	$wch = new wcurl( "http://exam.luobeigo.com/index.php?exam-app-history-view=&ehid=" . $ehid );

	return $wch->addCookie( COOKIE )->get();
}

function fHtml( $data, $tag, $id = - 1 ) {
	$shd = new simple_html_dom();
	$shd->load( $data );

	return $id >= 0 ? $shd->find( $tag, $id ) : $shd->find( $tag );
}

function loadAnswer( $html ) {
	$ansAll  = fHtml( $html, "div.paperexamcontent" );
	$ansNum  = count( $ansAll );
	$ansList = array();
	foreach ( $ansAll AS $id => $ans ) {
		$ansList[ $id ]["id"]  = trim( str_replace( "question_", "", fHtml( $ansAll[ $id ], "a", 1 )->name ) );
		$ansList[ $id ]["ans"] = trim( fHtml( $ansAll[ $id ], "td", 1 )->innertext );
		queryAdd( $ansList[ $id ]["id"], $ansList[ $id ]["ans"] );
	}

	return $ansList;
}

function queryAdd( $id, $ans ) {
	$conn = new mysqli( "localhost", "username", "password", "luobeigo" );
	if ( $conn->connect_error ) {
		die( $conn->error );
	}
	if ( $conn->query( "SELECT * FROM `answer` WHERE `id` = '{$id}';" )->num_rows != 0 ) {
		$conn->close();

		return;
	}
	if ( $conn->query( "INSERT INTO `answer` (`id`, `ans`) VALUES ('{$id}', '{$ans}');" ) ) {
		echo "add success {$id}" . PHP_EOL;
		$conn->close();

		return;
	}
	$conn->close();
	echo "fail {$id}" . PHP_EOL;
}

function main() {
	for ( $i = 77; $i <= 600; $i ++ ) {
		echo "EXAM: " . $i . PHP_EOL;
		$html = getPage( $i );
		$list = loadAnswer( $html );
		//file_put_contents( "save/" . $i . ".json", json_encode( $list ) );
	}
}

main();

[title]代码和题库sql[/title]