PHP实现简单的计算器

网络编程 2024/9/25 佚名

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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>
 
<"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 = "";
}
 
"caculator.php" method="post">
  <input type="text" name="data1" value="<"/>
  <select name="fuhao">
 
    <option value="+"
        <"+") {
          echo 'selected="selected"';
        } "-"
        <"-") {
          echo 'selected="selected"';
        } "*"
        <"*") {
          echo 'selected="selected"';
        } "/"
    <"/") {
      echo 'selected="selected"';
    } "text" name="data2" value="<"/>
  <input type="submit" value="="/>
  <input name="result" type="text" value="<"/>
  <input type="reset"/>
 
</form>
 
 
</body>
</html>

运行结果：