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
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<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服务器之家。
原文链接：https://blog.csdn.net/u011842599/article/details/89674002
