php中$_POST传递值的例子-php查询字符串传值(字符串值...-php实例:设置cookie值

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▪php中$_POST传递值的例子 php中$_POST传值的例子，大家参考下。例1，使用 $_POST 传递值 <?php $_POST['name'] = trim($_POST['name']); if (strlen($_POST['name']) == 0) { $errors[] = "姓名必填！"; } 例2，验证必填项 <?php if (st.........

▪php查询字符串传值(字符串值、数字值)的例子例1，在查询字符串中传递字符串值 <html> <body> <div align="center"> <p>Click a link to move to a new page:</p> <a href="/blog_article/index/page/content1.html.html">Content 1</a><br /> .........

▪php实例:设置cookie值在php中设置cookie值，很简单的例子，适合入门参考。代码： <?php /** * 接收参数、设置cookie * by www. */ $user = $_POST['user']; $color = $_POST['color']; $self = $_SERVER['PHP_SELF']; if( ( $user !.........

[1]php中$_POST传递值的例子

来源: 互联网发布时间: 2013-12-24

php中$_POST传值的例子，大家参考下。

例1，使用 $_POST 传递值

<?php
$_POST['name'] = trim($_POST['name']);

if (strlen($_POST['name']) == 0) {
    $errors[] = "姓名必填！";
}

例2，验证必填项

<?php 
if (strlen($_POST['email']) == 0) {
   $errors[] = "请输入Email地址";
}

例3，检测必填项

<?php
if (! strlen($_POST['flavor'])) {
   print '请输入您喜欢的冰淇淋口味';
}
?>

[2]php查询字符串传值(字符串值、数字值)的例子

来源: 互联网发布时间: 2013-12-24

例1，在查询字符串中传递字符串值

<html>
<body>
  <div align="center">
    <p>Click a link to move to a new page:</p>
    <a href="/blog_article/index/page/content1.html.html">Content 1</a><br />
    <a href="/blog_article/index/page/content2.html.html">Content 2</a><br />
    <a href="/blog_article/index/page/content3.html.html">Content 3</a><br />
    <?php
      $page = trim (urldecode (stripslashes ($_GET['page'])));
      if (isset ($page) && $page != ""){
        if (is_file ($page)){
          require_once ($page);
        } else {
          echo "<p>很抱歉，您请求的页面不存在。</p>";
        }
      }
    ?>
  </div>
</body>
</html>

例2，在查询字符串中传递数值

<html>
<head>
<title>查询字符串传递数值-www.</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
</head>
<body>
  <div align="center">
    <p>Click a link to change the text color of the verbiage below:</p>
    <a href="/blog_article/index/color/1.html">Green</a><br />
    <a href="/blog_article/index/color/2.html">Red</a><br />
    <a href="/blog_article/index/color/3.html">Blue</a><br />
    <a href="/blog_article/index.html">重置信息</a>
    <?php
      if (isset ($_GET['color'])){
        $color = intval ($_GET['color']);
      } else {
        $color = "";
      }
      if ($color == 1){
        $fontcolor = "00FF00";
      } elseif ($color == 2){
        $fontcolor = "FF0000";
      } elseif ($color == 3){
        $fontcolor = "0000FF";
      } else {
        $fontcolor = "000000";
      }
      ?><p >欢迎访问网站！</p><?php
    ?>
  </div>
</body>
</html>

[3]php实例:设置cookie值

来源: 互联网发布时间: 2013-12-24

在php中设置cookie值，很简单的例子，适合入门参考。

代码：

<?php 
/**
* 接收参数、设置cookie
* by www.
*/
  $user =  $_POST['user'];
  $color = $_POST['color'];
  $self =  $_SERVER['PHP_SELF'];

  if( ( $user != null ) and ( $color != null ) )
  {
    setcookie( "firstname", $user , time() + 36000 );
    setcookie( "fontcolor", $color, time() + 36000 );
    header( "Location:getcookie.php" );
    exit();
  }
?>
<html>
 <head>
  <title>php 设置cookie</title>
 </head>
 <body>
  <form action ="<?php echo( $self ); ?>" method = "post">
 请输入您的姓名：
  <input type = "text" name = "user"><br><br>
  请选择您喜欢的颜色：<br>
  <input type = "radio" name = "color" value = "#FF0000">Red
  <input type = "radio" name = "color" value = "#00FF00">Green
  <input type = "radio" name = "color" value = "#0000FF">Blue
  <br><br>
  <input type = "submit" value = "确认提交">
  </form>
 </body>
</html>