本文实例讲述了PHP实现的简易扫雷游戏。分享给大家供大家参考。具体如下：
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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);
}
?>
扫雷游戏