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:
<?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>扫雷游戏</title> </head> <body> <form action="" method="post"> <input type="hidden" name="starttime" value="<?php echo $starttime;?>"/> <input type="hidden" name="clickvalue"/> <table style="top:10px;left:0px;z-index:0;margin:10px auto" border="1px"> <tr> <td width="100px" align="center"> <table width="100%" border="1px"> <tr><td>行数:</td><td><input type="text" name="rows" value="<?php echo $rows;?>" size="1"/></td></tr> <tr><td>列数</td><td><input type="text" name="cols" value="<?php echo $cols;?>" size="1"/></td></tr> <tr><td>雷数:</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="重新开始" 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 "恭喜,雷全部清掉了!<br />"; else if($checkflag == 2)echo "太挫了,又被雷炸死了<br />"; ?> <input type="text" name="timeshow" value="<?php echo $timeshow;?>" size="4" readonly > </td> </tr> </table> <table style="top:155px;left:0px;z-index:0;margin:10px auto" border="1px"> <?php for($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("恭喜,雷全部清掉了!");';?> <?php if($checkflag == 2)echo 'alert("太挫了,又被雷炸死了");';?> 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>
希望本文所述对大家的php程序设计有所帮助。

PHP is a server-side scripting language used for dynamic web development and server-side applications. 1.PHP is an interpreted language that does not require compilation and is suitable for rapid development. 2. PHP code is embedded in HTML, making it easy to develop web pages. 3. PHP processes server-side logic, generates HTML output, and supports user interaction and data processing. 4. PHP can interact with the database, process form submission, and execute server-side tasks.

PHP has shaped the network over the past few decades and will continue to play an important role in web development. 1) PHP originated in 1994 and has become the first choice for developers due to its ease of use and seamless integration with MySQL. 2) Its core functions include generating dynamic content and integrating with the database, allowing the website to be updated in real time and displayed in personalized manner. 3) The wide application and ecosystem of PHP have driven its long-term impact, but it also faces version updates and security challenges. 4) Performance improvements in recent years, such as the release of PHP7, enable it to compete with modern languages. 5) In the future, PHP needs to deal with new challenges such as containerization and microservices, but its flexibility and active community make it adaptable.

The core benefits of PHP include ease of learning, strong web development support, rich libraries and frameworks, high performance and scalability, cross-platform compatibility, and cost-effectiveness. 1) Easy to learn and use, suitable for beginners; 2) Good integration with web servers and supports multiple databases; 3) Have powerful frameworks such as Laravel; 4) High performance can be achieved through optimization; 5) Support multiple operating systems; 6) Open source to reduce development costs.

PHP is not dead. 1) The PHP community actively solves performance and security issues, and PHP7.x improves performance. 2) PHP is suitable for modern web development and is widely used in large websites. 3) PHP is easy to learn and the server performs well, but the type system is not as strict as static languages. 4) PHP is still important in the fields of content management and e-commerce, and the ecosystem continues to evolve. 5) Optimize performance through OPcache and APC, and use OOP and design patterns to improve code quality.

PHP and Python have their own advantages and disadvantages, and the choice depends on the project requirements. 1) PHP is suitable for web development, easy to learn, rich community resources, but the syntax is not modern enough, and performance and security need to be paid attention to. 2) Python is suitable for data science and machine learning, with concise syntax and easy to learn, but there are bottlenecks in execution speed and memory management.

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP uses MySQLi and PDO extensions to interact in database operations and server-side logic processing, and processes server-side logic through functions such as session management. 1) Use MySQLi or PDO to connect to the database and execute SQL queries. 2) Handle HTTP requests and user status through session management and other functions. 3) Use transactions to ensure the atomicity of database operations. 4) Prevent SQL injection, use exception handling and closing connections for debugging. 5) Optimize performance through indexing and cache, write highly readable code and perform error handling.

Using preprocessing statements and PDO in PHP can effectively prevent SQL injection attacks. 1) Use PDO to connect to the database and set the error mode. 2) Create preprocessing statements through the prepare method and pass data using placeholders and execute methods. 3) Process query results and ensure the security and performance of the code.


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