checkAnswer.php

<?php
include_once("360_safe3.php");
include_once ("config.php");

if (isset($_POST['data'])) {
	$jsonData = json_decode($_POST['data']);
	$jsonDataLength = count($jsonData);
	// 答案是否有效
	for ($i = 0; $i < $jsonDataLength; $i++) {
		if (!is_numeric($jsonData[$i] -> id) || !is_numeric($jsonData[$i] -> answer)) {
			echo "{\"code\":0,\"message\":\"答案格式不正确\"}";
			die();
		}
	}
	// 获取正确答案
	$rightAnswers = getRightAnswers($jsonData);
	// 给出分数,验证答案
	$rightNum = 0;
	$wrongNum = 0;
	for ($i = 0; $i < $jsonDataLength; $i++) {
		//var_dump(std_class_object_to_array($jsonData[$i])["id"]);
		if ($jsonData[$i] -> answer == $rightAnswers[$i] -> rightAnswer) {
			$rightNum++;
		} else {
			$wrongNum++;
		}
	}
	// 返回不同的HTML样式
	if ($wrongNum == 0) {
		//  如果全对，则将数据插入数据库，并生成一个长的随机字符串给用户，以便其输入信息
		$guid_id = guid();
		$sql = "insert into perfectpeople(phone,name,answer,guid) values('','','" . addslashes($_POST['data']) . "','" . $guid_id . "')";
		if (mysql_query($sql)) {
			// 将guid传入新的页面，让用户输入信息。
			echo "{\"code\":1,\"message\":\"".$guid_id."\"}";
		} else {
			echo "{\"code\":2,\"message\":\"哎呦，服务器抽风了，过会再来呦!123".$sql."\"}";
		}
	}else{
		// 拼接错误信息
		$message = "";
		for ($i = 0; $i < $jsonDataLength; $i++) {
			if ($jsonData[$i] -> answer != $rightAnswers[$i] -> rightAnswer) {
				$message = $message . "题目：". $rightAnswers[$i]->content."<br/>正确答案：".$rightAnswers[$i] -> rightAnswerContent."<br/>";
			}
		}
		echo "{\"code\":0,\"message\":\"".$message."\"}";
	}
	mysql_close();
} else {
	echo "{\"code\":3,\"message\":\"数据各式不正确\"}";
}

function getRightAnswers($jsonData) {
	$rightAnswers = Array();
	// 拼接题目id号，获取答案
	$questionIds = "";
	for ($i = 0; $i < count($jsonData); $i++) {
		$questionIds = $questionIds . $jsonData[$i] -> id . ",";
	}
	$questionIds = substr($questionIds, 0, -1);

	$sql = "select * from questions where id in (" . $questionIds . ")";
	$result = mysql_query($sql);
	$num = mysql_num_rows($result);
	if ($num == 0) {
		echo "网络错误！";
		mysql_close();
	}
	$tmpId = 0;
	$rightAnswerArray = Array();
	while ($rs = mysql_fetch_object($result)) {
		$question = new StdClass;
		$question -> id = $rs -> id;
		$question -> rightAnswer = $rs -> rightAnswer;
		$question -> content = $rs -> content;
		if($rs -> rightAnswer == "1"){
			$question -> rightAnswerContent = $rs -> answer1 ;
		}else if($rs -> rightAnswer == "2"){
			$question -> rightAnswerContent = $rs -> answer2 ;
		}else if($rs -> rightAnswer == "3"){
			$question -> rightAnswerContent = $rs -> answer3 ;
		}else if($rs -> rightAnswer == "4"){
			$question -> rightAnswerContent = $rs -> answer4 ;
		}else if($rs -> rightAnswer == "5"){
			$question -> rightAnswerContent = $rs -> answer5 ;
		}else if($rs -> rightAnswer == "6"){
			$question -> rightAnswerContent = $rs -> answer6 ;
		}else if($rs -> rightAnswer == "7"){
			$question -> rightAnswerContent = $rs -> answer7 ;
		}else if($rs -> rightAnswer == "8"){
			$question -> rightAnswerContent = $rs -> answer8 ;
		}else{
			$question -> rightAnswerContent = "" ;
		}

		$rightAnswerArray[$tmpId] = $question;
		$tmpId++;
	}
	mysql_free_result($result);
	return $rightAnswerArray;
}

// guid 生成算法
function guid() {
	if (function_exists('com_create_guid')) {
		return com_create_guid();
	} else {
		mt_srand((double)microtime() * 10000);
		//optional for php 4.2.0 and up.
		$charid = strtoupper(md5(uniqid(rand(), true)));
		$hyphen = chr(45);
		$uuid = substr($charid, 0, 8) . $hyphen . substr($charid, 8, 4) . $hyphen . substr($charid, 12, 4) . $hyphen . substr($charid, 16, 4) . $hyphen . substr($charid, 20, 12);
		return $uuid;
	}
}

//function std_class_object_to_array($stdclassobject) {
//	$_array = is_object($stdclassobject) ? get_object_vars($stdclassobject) : $stdclassobject;
//	foreach ($_array as $key => $value) {
//		$value = (is_array($value) || is_object($value)) ? std_class_object_to_array($value) : $value;
//		$array[$key] = $value;
//	}
//	return $array;
//}
?>