PHP实验
实验一
<?php/** * Created by PhpStorm. * User: qichunlin * Date: 2018/5/17 * Time: 下午5:35 */echo "请输入要排序的数字：<br/>";echo "<form method=post>";//循环生成文本框for ($i = 1; $i < 6; $i++) { ???//文本框的名字是数组名 ???echo "<input type=‘text‘ name=‘stu[]‘ size=‘5‘>"; ???if ($i < 5) { ???????echo "-"; ???}} ???echo "<input type=‘submit‘ name=‘bt‘ value=‘提交‘>"; ???echo "</form>"; ???if (isset($_POST[‘bt‘])) { ???????$temp = 0; ???????$stu = $_POST[‘stu‘]; ???????$num = count($stu); ???????echo "您输入的数据有<br/>"; ???????foreach ($stu as $score) { ???????????echo $score . "<br>"; ???????} ???????for ($i = 0; $i < $num; $i++) ???????????for ($j = $i + 1; $j < $num; $j++) { ???????????????if ($stu[$i] > $stu[$j]) { ???????????????????$temp = $stu[$i]; ???????????????????$stu[$i] = $stu[$j]; ???????????????????$stu[$j] = $temp; ???????????????} ???????????} ???echo "排序后的数据如下所示：<br/>"; ???//使用while循环遍历数组 ???while (list($key, $value) = each($stu)) { ???????//输出排序后的数组 ???????echo $value . "<br/>"; ???}}?>实验二
<?php/** * Created by PhpStorm. * User: qichunlin * Date: 2018/5/17 * Time: 下午6:10 */echo "请输入学号:<br/>";echo "<form method=‘post‘>";for ($i = 1; $i < 6; $i++) { ???//文本框的名字就是数组名 ???echo "<input type=‘text‘ name=‘stu[]‘ size=‘6‘>"; ???if ($i < 5) ???????echo "-";}echo "<input type=‘submit‘ name=‘bt‘ value=‘提交‘>";echo "</form>";if (isset($_POST[‘bt‘])) { ???//echo "123"; ???$k = 0; ???$jsj = array(); ???$stu = $_POST[‘stu‘]; ???for ($i = 0; $i < count($stu); $i++) ???????for ($j = $i + 1; $j < count($stu); $j++) { ???????????if (strcmp($stu[$i], $stu[$j] == 0)) ???????????????array_splice($stu, $j, 1); ???????} ???$str = implode(",", $stu); ???echo "所有的学生学号如下:</br>"; ???echo $str . "<br>"; ???foreach ($stu as $value) { ???????if (strstr($value, "0811")) { ???????????$string = str_replace("08121", "08110", $value); ???????????$jsj[$k] = $string; ???????????$k++; ???????} ???} ???echo "计算机专业的学号如下:</br>"; ???echo implode(",", "$jsj");}?>实验三
???????<?php
/**
- Created by PhpStorm.
- User: qichunlin
- Date: 2018/5/17
Time: 下午4:36
*/
if (isset($_POST[‘GO‘])) {
$id = $_POST[‘ID‘];
$pwd = $_POST[‘PWD‘];
$birthday = $_POST[‘BIRTHDAY‘];
$Email = $_POST[‘EMAIL‘];
//检查是否为6～12个字符
$checkId = preg_match(‘/^\w{6,12}$/‘, $id);
//检查是否为6～20个数字
$checkPwd = preg_match(‘/^\d{6,20}$/‘, $pwd);
//检查是否是有效日期
$checkBirthday = preg_match(‘/^\d{4}-(0?\d|1?[012])-(0?\d|3[01])$/‘, $birthday);
//检查Email地址的合法性
$checkEmail = preg_match(‘/^[a-zA-Z0-9_-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+$/‘, $Email);if (!$checkId)
echo "";
else if (!$checkPwd)
echo "";
else if (!$checkBirthday)
echo "";
else if (!$checkEmail)
echo "";
else
echo "注册成功!";
}
?>
```
实验四
<!DOCTYPE html><!--HTML5表单--><style type="text/css"> ???table, div, td { ???????text-align: center; ???} ???table { ???????margin: 0 auto; ???} ???p { ???????font-size: 18px; ???????color: #FF0000; ???}</style><form name=fr1 method=post> ???<table border=1> ???????<tr> ???????????<td> ???????????????<div>学号</div> ???????????</td> ???????????<td> ???????????????<div>姓名</div> ???????????</td> ???????????<td> ???????????????<div>成绩</div> ???????????</td> ???????</tr> ???????<?php ???????/** ????????* Created by PhpStorm. ????????* User: qichunlin ????????* Date: 2018/5/20 ????????* Time: 下午2:56 ????????*/ ???????for ($i = 1; $i < 5; $i++) { ????????????> ???????????<tr> ???????????????<td><input type=text name="XH[]"></td> ???????????????<td><input typet=text name="XM[]"></td> ???????????????<td><input type=text name="CJ[]"></td> ???????????</tr> ???????????<?php ???????} ????????> ???????<tr> ???????????<td colspan="3"><input type="submit" name="bt_stu" value="提交"></td> ???????</tr> ???</table></form><p align=center>注意，学号值不能重复</p><?phpif (isset($_POST[‘bt_stu‘])) { ???$XH = $_POST[‘XH‘]; ???$XM = $_POST[‘XM‘]; ???$CJ = $_POST[‘CJ‘]; ???array_multisort($CJ, $XH, $XM); ???for ($i = 0; $i < count($XH); $i++) ???????$sum[$i] = array($XH[$i], $XM[$i]); ???echo "<div>排序后的成绩表如下:</div>"; ???echo "<table border=2><tr><td>学号</td><td>姓名</td><td>成绩</td></tr>"; ???foreach ($sum as $value) { ???????list($stu_number, $stu_name, $stu_score) = $value; ???????echo "<tr><td>$stu_number</td><td>$stu_name</td><td>$stu_score</td></tr>"; ???????????} ???echo "</table><br/>"; ???reset($sum); ???while (list($key, $value) = each($sum)) { ???????list($stu_number, $stu_name, $stu_score) = $value; ???????if ($stu_number == "3") { ???????????echo "<p align=center>"; ???????????echo $stu_number . "的姓名为:" . $stu_name . ","; ???????????echo "成绩为:" . $stu_score; ???????????break; ???????} ???}}?>实验五
<!DOCTYPE html><!--HTMl5表单--><style type="text/css"> ???p { ???????font-family: "方正舒体"; ???????text-align: center; ???} ???div { ???????font-family: "黑体"; ???????text-align: center; ???}</style><form name="f1" action="" method="post"> ???<p> ???????您的Email地址：<br><input type="text" name="Email" size="31"><br> ???????您的留言：<br><textarea name="note" rows="10" cols="30"></textarea> ???????<br><input type="submit" name="bt1" value="提交"><input type="reset" name="bt2" value="清空"> ???</p></form><?php/** * Created by PhpStorm. * User: qichunlin * Date: 2018/5/20 * Time: 下午6:37 */if (isset($_POST[‘bt1‘])) { ???//接收Email地址 ???$Email = $_POST[‘Email‘]; ???$note = $_POST[‘note‘]; ???//判断是否取得值 ???if (!$Email || !$note) ???????echo "<script>alert(‘Eamil地址和留言请填写完整！‘)</script>"; ???else { ???????//分割Email地址 ???????$array = explode("@", $Email); ???????//如果有两个@符号则报错 ???????if (count($array) != 2) ???????????echo "<script>alert(‘Email地址格式错误！‘)</script>"; ???????else { ???????????//取得@前面的内容 ???????????$username = $array[0]; ???????????//取得@后面的内容 ???????????$netname = $array[1]; ???????????//如果username中含有"."或","就会报错 ???????????if (strstr($username, ".") or strstr($username, ",")) ???????????????echo "<script>alert(‘Email地址格式错误！‘)</script>"; ???????????else { ???????????????$str1 = htmlspecialchars("<");//输出符号"<" ???????????????$str2 = htmlspecialchars(">");//输出符号">" ???????????????$newnote = str_replace("我", "本人", $note); ???????????????//xss攻击 转化成HTML实体形式就能解决 ???????????????$newnote=htmlspecialchars($newnote); ???????????????echo "<div>"; ???????????????echo "用户" . $str1 . $username . $str2 . "您好! "; ???????????????echo "您是" . $username . "网友！<br>"; ???????????????echo "<br>您的留言是：<br> " . $newnote . "<br>"; ???????????????echo "</div>"; ???????????} ???????} ???}}?>2018.6.16 PHP小实验
原文地址：https://www.cnblogs.com/qichunlin/p/9066745.html