用php做扫雷游戏

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php其实不适合做游戏，但是简单的游戏还是可以实现的，下面用php 实现简单的扫雷游戏，包含注释，代码只有167行

<?php
$init = $_POST["init"];//game restart
$clickvalue = $_POST["clickvalue"];//minesweeping
$checkflag = 0;//Victory or defeat
$click_count = 0;//clicks count
if($init == null && $clickvalue == null){//initialization
	$_POST = array();//set POST with a array
	$_POST["rows"] = 9;//set rows
	$_POST["cols"] = 9;//set cols
	$_POST["num"] = 10;//set num
	$_POST["timeshow"] = "00:00"; //set starttime
	$init = true;//set initialization
}
$rows = $_POST["rows"];//get rows
$cols = $_POST["cols"];//get cols
$num = $_POST["num"];//get num
$starttime = $_POST["starttime"];//get starttime
if($init){// is initialization
	$timeshow = "00:00";//set starttime
	$data = array();//data initialization
	for($i=0;$i<$rows;$i++){//all the rows
		for($j=0;$j<$cols;$j++){//all the cols
			$data["data".$i."_".$j] = 0;//set mine with null
			$data["open".$i."_".$j] = 0;//set node with close
		}
	}
	$i=0;//reset the index,and set the mines(Random setting)
	while($i < $num){//number of mine
		$r = rand(0,$rows - 1);//row's index
		$c = rand(0,$cols - 1);//col's index
		if($data["data".$r."_".$c] == 0){//if not a mine
			$data["data".$r."_".$c] = 100;//set the node with a mine
			$i++;
		}
	}
	for($i=0;$i<$rows;$i++){//all the rows
		for($j=0;$j<$cols;$j++){//all the cols
			if($data["data".$i."_".$j] == 100)continue;//is not a mine , set number of adjacent mines 
			$cnt = 0;
			if($i - 1 >= 0 && $j - 1 >= 0 && $data["data".($i - 1)."_".($j - 1)] == 100)$cnt++;//upper left
			if($i - 1 >= 0 && $data["data".($i - 1)."_".$j] == 100)$cnt++;//left
			if($i - 1 >= 0 && $j + 1 < $cols && $data["data".($i - 1)."_".($j + 1)] == 100)$cnt++;//lower left
			if($j - 1 >= 0 && $data["data".$i."_".($j - 1)] == 100)$cnt++;//upper
			if($j + 1 < $cols && $data["data".$i."_".($j + 1)] == 100)$cnt++;//lower
			if($i + 1 < $rows && $j - 1 >= 0 && $data["data".($i + 1)."_".($j - 1)] == 100)$cnt++;//upper right
			if($i + 1 < $rows && $data["data".($i + 1)."_".$j] == 100)$cnt++;//right
			if($i + 1 < $rows && $j + 1 < $cols && $data["data".($i + 1)."_".($j + 1)] == 100)$cnt++;//lower right
			$data["data".$i."_".$j] = $cnt;//set number
		}
	}
}else{
	$data = $_POST;//get data
	if($data["data".$clickvalue] == 100){//check the value of users click
		$checkflag = 2;//if click on a mine,gameover
		for($i=0;$i<$rows;$i++){//all the rows
			for($j=0;$j<$cols;$j++){//all the cols
				$data["open".$i."_".$j] = 1;//set all nodes to open
			}
		}
	}else{
		$node = explode("_", $clickvalue);//get the node of click
		openNode($node[0],$node[1]);//set nodes to open
		for($i=0;$i<$rows;$i++){//all the rows
			for($j=0;$j<$cols;$j++){//all the cols 
				if($data["open".$i."_".$j] == 1)$click_count++;//get the number of opennode 
			}
		}
		if($rows*$cols - $click_count == $num)$checkflag = 1;//if all the node is open,game clear 
	}
}
if($checkflag == 0 && $click_count == 1){//if game is start ,time start
	$starttime = date("H:i:s");
}
if($starttime){//Computing time and display
	$now = date("H:i:s");
	$nowlist = explode(":",$now);
	$starttimelist = explode(":",$starttime);
	$time_count = $nowlist[0]*3600+$nowlist[1]*60 + $nowlist[2] - ($starttimelist[0]*3600+$starttimelist[1]*60 + $starttimelist[2]);
	$min = floor($time_count / 60);
	$sec = $time_count % 60;
	$timeshow = ($min>9?$min:"0".$min).":".($sec>9?$sec:"0".$sec);
}else{
	$timeshow = "00:00";//if game is stop , time stop
}
function openNode($i,$j){//set nodes to open,if it is can open
	global $rows;//get the rows
	global $cols;//get the cols
	global $data;//get the data
	if($i < 0 || $i >= $rows || $j < 0 || $j >= $cols || $data["open".$i."_".$j])return;//it is not a node,or it has been opened
	$data["open".$i."_".$j] = 1;//open the node
	if($data["data".$i."_".$j] > 0)return;//need to continue?
	openNode($i - 1,$j - 1);
	openNode($i - 1,$j);
	openNode($i - 1,$j + 1);
	openNode($i,$j - 1);
	openNode($i,$j + 1);
	openNode($i + 1,$j - 1);
	openNode($i + 1,$j);
	openNode($i + 1,$j + 1);
}
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>minesweeper</title>
</head>
<body>
<form action="" method="post">
<input type="hidden" name="starttime" value="<?php echo $starttime;?>">
<input type="hidden" name="clickvalue">
<table style="position:absolute;top:10px;left:0px;z-index:0;" border="1px">
<tr>
<td width="100px" align="center">
	<table width="100%" border="1px">
		<tr><td>rows:</td><td><input type="text" name="rows" value="<?php echo $rows;?>" size="1"></td></tr>
		<tr><td>cols</td><td><input type="text" name="cols" value="<?php echo $cols;?>" size="1"></td></tr>
		<tr><td>num:</td><td><input type="text" name="num" value="<?php echo $num;?>" size="1"></td></tr>
		<tr><td colspan="2" align="center"><input type="submit" value="restart" name="init"></td></tr>
	</table>
</td>
<td width="50px" align="center"><font size="10px"><?php echo $checkflag < 2?"☺":"☹";?></font></td>
<td width="100px" align="center">
<?php 
	if($checkflag == 1)echo "game clear!<br />";
	else if($checkflag == 2)echo "game over!<br />";
?>
	<input type="text" name="timeshow" value="<?php echo $timeshow;?>" size="4" readonly >
</td>
</tr>
</table>
<table style="position:absolute;top:155px;left:0px;z-index:0;" border="1px">
<?php for($i=0;$i<$rows;$i++){ ?>
	<tr>
	<?php for($j=0;$j<$cols;$j++){	?>
		<td style="width:24px;height:24px;" align="center">
		<input type="hidden" name="open<?php echo $i."_".$j;?>" value="<?php echo $data["open".$i."_".$j];?>">
		<input type="hidden" name="data<?php echo $i."_".$j;?>" value="<?php echo $data["data".$i."_".$j];?>">
		<?php if($data["open".$i."_".$j]){//show the value of node,if the node has been opened ?>
			<?php echo $data["data".$i."_".$j]==100?"☀":$data["data".$i."_".$j];?>
		<?php }else{//show a button ,if the node has not been opened ?>
			<input type="button" value="" onclick="clickNum('<?php echo $i."_".$j;?>')"  style="width:20px;height:20px;">
		<?php } ?>
		</td>
	<?php } ?>
	</tr>
<?php } ?>
</table>
</form>
<script type="text/javascript">
function clickNum(value){//click a node
	<?php if($checkflag > 0)echo 'return;';//if game is clear or game is over ?>
	document.forms[0].clickvalue.value = value;
	document.forms[0].submit();
}
<?php if($checkflag == 0 && $click_count>0)echo 'setTimeout("timerun()",1000);';//time running ?>
<?php if($checkflag == 1)echo 'alert("game clear!");';?>
<?php if($checkflag == 2)echo 'alert("game over!");';?>
function timerun(){//time running
	var timelist = document.forms[0].timeshow.value.split(":");
	var sec = parseInt(timelist[1],10) + 1;
	var min = sec < 60?parseInt(timelist[0],10):(parseInt(timelist[0],10) + 1);
	document.forms[0].timeshow.value = (min>9?min:"0"+min)+":"+(sec > 9?sec:"0"+sec);
	setTimeout("timerun()",1000);
}
</script>
</body>
</html>

演示地址

http://www.fsanguo.comoj.com/public/minesweeper/index.php

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