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批改状态：合格
老师批语：请求类型, 这是指http的 , get和post是最常用的,其实还有put,delete
foreach遍历演示实例
<?php $folk= '我得家人'; $folk=[0=>'爷爷', 1=>'妈妈',2=>'爸爸']; ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title><?php echo $folk;?></title> </head> <body> <h2 style="..."><?php echo $folk;?></h2> <ul> <li><?php echo$folk[0];?></li> <li><?php echo$folk[1];?></li> <li><?php echo$folk[2];?></li> </ul> <hr> <ul> <<?php foreach ($folk as $folk): ?> <li><a href=""><?php echo $folk; ?></a></li> <?php endforeach;?> </ul> </body> </html>
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post请求
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>get</title> </head> <body> <form action=""> <p> <label for="email">邮箱:</label> <input type="email" id="email" name="email" value="<?php echo isset($_GET['email']) ? $_GET['email'] : ''; ?>"> </p> <p> <label for="password">密码:</label> <input type="password" id="password" name="password" value=""> </p> <p> <button>登陆</button> </p> </form> </body> </html> <?php echo '<pre>'. print_r($_POST); ?>
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get请求
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>get</title> </head> <body> <form action=""> <p> <label for="email">邮箱:</label> <input type="email" id="email" name="email" value="<?php echo isset($_GET['email']) ? $_GET['email'] : ''; ?>"> </p> <p> <label for="password">密码:</label> <input type="password" id="password" name="password" value=""> </p> <p> <button>登陆</button> </p> </form> </body> </html> <?php echo '<pre>'. print_r($_GET); ?>
点击 "运行实例" 按钮查看在线实例
三元运算符
echo isset($_GET['email']) ? $_GET['email'] : ''; echo '<pre>'; print_r($_GET); ?>
点击 "运行实例" 按钮查看在线实例
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