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<?phpecho "多分支<br/>";$age = 128;if($age >=18 && $age<35){echo '可以吃糖啦!';}else if($age >=35 && $age<50){echo '建议少吃糖!';}else if($age<18 || $age >60){echo '不能吃糖!';}else{echo '不建议吃糖!';}echo '<hr/>';echo "单分支<br/>";$scores = 60;if($scores>=60){echo "您的分数{$scores},及格啦!!!";}echo '<hr/>';$scores = 55;if($scores>=60){echo "您的分数{$scores},及格啦!!!";}else{echo "您的分数{$scores},不及格,要多加强学习啦!!!";}echo '<hr/>';echo "switch写法<br/>";$age = 25;switch (true) {case $age >= 18 && $age < 30:echo "{$age}岁可以吃糖啦<br>";break;case $age >= 30 && $age < 45:echo "{$age}岁,建议少吃糖<br>";break;case $age<18 || $age >60:echo "{$age}岁,不能吃糖<br>";break;default:echo "{$age}岁,放学,我送你回家<br>";}?>
<?phpnamespace _0809作业;$an_arrs =[['id'=>1,'name'=>'安邦','age'=>18,'order'=>1, 'score'=>59 ],['id'=>2,'name'=>'安福','age'=>18,'order'=>2, 'score'=>42 ],['id'=>3,'name'=>'安歌','age'=>18,'order'=>3, 'score'=>61 ],['id'=>4,'name'=>'安国','age'=>18,'order'=>4, 'score'=>73 ],['id'=>5,'name'=>'安和','age'=>18,'order'=>5, 'score'=>89 ],['id'=>6,'name'=>'安康','age'=>18,'order'=>6, 'score'=>46 ],['id'=>7,'name'=>'安澜','age'=>18,'order'=>7, 'score'=>65 ],['id'=>8,'name'=>'安民','age'=>18,'order'=>8, 'score'=>62 ],['id'=>9,'name'=>'安宁','age'=>18,'order'=>9, 'score'=>52 ],['id'=>10,'name'=>'安平','age'=>18,'order'=>10,'score'=>55],['id'=>11,'name'=>'安然','age'=>18,'order'=>11,'score'=>88],['id'=>12,'name'=>'安顺','age'=>18,'order'=>12,'score'=>60]];?><!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>学生信息管理系统</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;}</style></head><body><?php?><table><caption>学生成绩表</caption><thead><tr><th>ID</th><th>姓名</th><th>年龄</th><th>学号</th><th>成绩</th></tr></thead><tbody><?php foreach ($an_arrs as $an) : ?><tr><td><?php echo $an['id']?></td><td><?php echo $an['name']?></td><td><?php echo $an['age']?></td><td><?php echo $an['order']?> </td><td><?php echo $an['score']?></td></tr><?php endforeach ?></tbody></table></body></html>
