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PHP实现简单的计算器 - PHP

本文实例为大家分享了PHP实现简单计算器的具体代码,供大家参考,具体内容如下caculator.php<html><head> </head><body> <&#63;phpif (!...

本文实例为大家分享了PHP实现简单计算器的具体代码,供大家参考,具体内容如下

caculator.php

<html><head> </head><body> <?phpif (!empty($_POST)) {  $data1 = $_POST["data1"];  $data2 = $_POST["data2"];  $fuhao = $_POST["fuhao"];  $result = "";   echo $data1;  echo $data2;  echo $fuhao;  echo $result;    if ($fuhao == '+') {    $result = $data1 + $data2;  } else if ($fuhao == '-') {    $result = $data1 - $data2;  } else if ($fuhao == '*') {    $result = $data1 * $data2;  } else if ($fuhao == '/') {    $result = $data1 / $data2;  }} else {  $data1 = "";  $data2 = "";  $fuhao = "";  $result = "";} ?> <form action="caculator.php" method="post">  <input type="text" name="data1" value="<?php echo $data1; ?>"/>  <select name="fuhao">     <option value="+"        <?php if ($fuhao == "+") {          echo 'selected="selected"';        } ?>>+    </option>    <option value="-"        <?php if ($fuhao == "-") {          echo 'selected="selected"';        } ?>>-    </option>    <option value="*"        <?php if ($fuhao == "*") {          echo 'selected="selected"';        } ?>>*    </option>    <option value="/"    <?php if ($fuhao == "/") {      echo 'selected="selected"';    } ?>>/    </option>     </option>  </select>  <input type="text" name="data2" value="<?php echo $data2; ?>"/>  <input type="submit" value="="/>  <input name="result" type="text" value="<?php echo $result; ?>"/>  <input type="reset"/> </form>  </body></html>

运行结果:

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持来客网。

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