PHP表单
获取表单数据
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <!--提交表单到bd.php文件--> <form action="bd.php" method="post"> 请输入姓名:<input type="text" name="uname" value="yourname" /><br> 请输入年龄:<input type="number" name="uage" max="120" min="1" value="20" /><br> <input type="submit" /> </form> </body> </html>
<?php echo "你的名字是:",$_POST['uname'],"<br>"; echo "你今年:",$_POST['uage'],"岁"; ?>
获取下拉菜单数据
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <form action="bd.php" method="post"> 请输入姓名:<input type="text" name="uname" value="小明"/><br> 请输入年龄:<input type="number" name="uage" max="120" min="1" value="20" /><br> <select name="xlcd"> <option value ="">请选择你的性别</option> <option value ="男">男</option> <option value ="女">女</option> <option value ="不知道">不知道</option> </select><br> <input type="submit" /> </form> </body> </html>
<?php echo "你的名字是:",$_POST['uname'],"<br>"; echo "你今年:",$_POST['uage'],"岁<br>"; echo "你的性别是:",$_POST['xlcd'],"。"; ?>
获取下拉多选数据
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <form action="bd.php" method="post"> 请输入姓名:<input type="text" name="uname" value="小明"/><br> 请输入年龄:<input type="number" name="uage" max="120" min="1" value="20" /><br> <select name="xlcd"> <option value ="男">男</option> <option value ="女">女</option> <option value ="不知道">不知道</option> </select><br> <select multiple="multiple" name="like[]"> <option value ="">请选择你喜欢的食物</option> <option value ="苹果">苹果</option> <option value ="香蕉">香蕉</option> <option value ="橘子">橘子</option> <option value ="粑粑">粑粑</option> </select><br> <input type="submit" /> </form> </body> </html>
<?php echo "你的名字是:",$_POST['uname'],"<br>"; echo "你今年:",$_POST['uage'],"岁<br>"; echo "你的性别是:",$_POST['xlcd'],"。<br>"; echo "你喜欢吃:"; $x=$_POST['like']; foreach($x as $i){ echo $i; } echo "...<br>"; ?>
获取单选按钮值
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <form action="bd.php" method="post"> 请输入姓名:<input type="text" name="uname" value="小明"/><br> 请输入年龄:<input type="number" name="uage" max="120" min="1" value="20" /><br> 你的性别: <select name="xlcd"> <option value ="男">男</option> <option value ="女">女</option> <option value ="不知道">不知道</option> </select><br> 你喜欢吃什么: <select multiple="multiple" name="like[]"> <option value ="苹果">苹果 </option> <option value ="香蕉">香蕉</option> <option value ="橘子">橘子</option> <option value ="粑粑">粑粑</option> </select><br> 现在时间是: <input type="radio" name="ap" id="" value="上午" />上午 <input type="radio" name="ap" id="" value="下午" />下午<br /> <input type="submit" /> </form> </body> </html>
<?php echo "你的名字是:",$_POST['uname'],"<br>"; echo "你今年:",$_POST['uage'],"岁<br>"; echo "你的性别是:",$_POST['xlcd'],"。<br>"; echo "你喜欢吃:"; $x=$_POST['like']; foreach($x as $i){ echo $i; } echo "...<br>"; echo "现在时间是:",$_POST['ap'],"。<br>"; ?>
获取CheckBox复选框
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <form action="bd.php" method="post"> 请输入姓名:<input type="text" name="uname" value="小明"/><br> 请输入年龄:<input type="number" name="uage" max="120" min="1" value="20" /><br> 你的性别: <select name="xlcd"> <option value ="男">男</option> <option value ="女">女</option> <option value ="不知道">不知道</option> </select><br> 你喜欢吃什么: <select multiple="multiple" name="like[]"> <option value ="苹果">苹果 </option> <option value ="香蕉">香蕉</option> <option value ="橘子">橘子</option> <option value ="粑粑">粑粑</option> </select><br> 现在时间是: <input type="radio" name="ap" id="" value="上午" />上午 <input type="radio" name="ap" id="" value="下午" />下午<br /> 以下哪些地名位于江苏省: <input type="checkbox" name="dl[]" id="" value="宿迁" />宿迁 <input type="checkbox" name="dl[]" id="" value="淮安" />淮安 <input type="checkbox" name="dl[]" id="" value="南京" />南京 <input type="checkbox" name="dl[]" id="" value="合肥" />合肥 <br /> <input type="submit" /> </form> </body> </html>
<?php echo "你的名字是:",$_POST['uname'],"<br>"; echo "你今年:",$_POST['uage'],"岁<br>"; echo "你的性别是:",$_POST['xlcd'],"。<br>"; echo "你喜欢吃:"; foreach($_POST['like'] as $i){ echo $i; } echo "...<br>"; echo "现在时间是:",$_POST['ap'],"。<br>"; echo "这些城市是江苏省的:"; foreach($_POST['dl'] as $i) echo $i," "; echo "。<br>"; ?>
include和require
- require发生错误立即停止
- include发生错误不停止只警告
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <html> <body> include测试: <?php include "bd.php"; echo "<br>"; test(); echo "<br>"; echo $test; ?> </body> </html> </body> </html>
<?php echo "<br>include导入成功!"; $test="变量输出成功!"; function test(){ echo "函数使用成功!"; } ?>
PHP文件处理
- fopen打开
- fclose关闭
- feof检测文件末尾
- fgets逐行读取
- fgetc逐字读取
来源:https://www.cnblogs.com/hwx1999/p/12366793.html