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PHPz批改状态：合格
老师批语：
<?phpnamespace _0809;$score = 70;// 单分支echo '-----------------------单分支-----------------------<br>';if ($score > 60) {echo '通过';}// 双分支echo '<br>-----------------------双分支-----------------------<br>';$score = 50;if ($score > 60) {echo '通过';} else {echo '不通过';}// 双分支语法糖echo '<br>---------------------双分支语法糖------------------<br>';$score = 90;echo $score > 60 ? "合格" : "不合格";// 多分支echo '<br>-----------------------多分支-----------------------<br>';if ($score > 60 && $score < 70) {echo '成绩为：B';} elseif ($score > 70 && $score < 80) {echo '成绩为：B+';} elseif ($score > 80 && $score < 100) {echo '成绩为：A';} else {echo '成绩为：不合格';}// 多分支语法糖：switchecho '<br>------------------多分支语法糖：switch------------<br>';switch (true) {case $score < 60:echo '不满意';break;case $score > 60 && $score < 70:echo '满意';break;case $score > 80:echo '非常满意';break;default:echo '服务太差了';}// for循环echo '<br>-----------------------for循环-----------------------<br>';$title = ["语文", "数学", "几何", "英语", "地理"];for ($i = 0; $i < count($title); $i++) {if ($i === 1) {continue;}echo $title[$i] . '<br>';}// foreach循环echo '<br>-----------------------foreach循环-----------------------<br>';foreach ($title as $k => $v) {printf('序号：%s ---> 书名：%s<br>', $k, $v);}// while循环echo '<br>-----------------------while循环-----------------------<br>';$i = 0;while ($i < count($title)) {echo $title[$i] . '<br>';$i++;}
<?phpnamespace _0809;$cs = [['id' => '第一节', 'name' => '覃老师', 'sex' => 0, 'course' => '语文'],['id' => '第二节', 'name' => '覃老师', 'sex' => 0, 'course' => '语文'],['id' => '第三节', 'name' => '张老师', 'sex' => 1, 'course' => '数学'],['id' => '第四节', 'name' => '孙老师', 'sex' => 1, 'course' => '几何'],['id' => '第五节', 'name' => '周老师', 'sex' => 1, 'course' => '地理'],['id' => '第六节', 'name' => '孔老师', 'sex' => 0, 'course' => '英语'],['id' => '第七节', 'name' => '赵老师', 'sex' => 1, 'course' => '体育'],['id' => '第八节', 'name' => '马老师', 'sex' => 0, 'course' => '美术'],]?><!DOCTYPE html><html lang="zh-CN"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>课程表</title><style>table {border-collapse: collapse;width: 360px;text-align: center;}table th,table td {border: 1px solid #000;padding: 5px;}table caption {font-size: 1.3em;}table thead {background-color: lightcyan;}.active {color: red;}</style></head><body><table><caption>20班课程表</caption><thead><tr><th>节名</th><th>教师</th><th>性别</th><th>课程</th></tr></thead><tbody><?phpforeach ($cs as $cso) : ?><tr><td><?= $cso['id'] ?></td><td><?= $cso['name'] ?></td><td><?= $cso['sex'] ? '男' : '女' ?></td><td><?= $cso['course'] ?></td></tr><?php endforeach ?></tbody></table></body></html>
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