해당 섹션의 강좌：PHP 프로세스 제어의 중첩된 if...else...elseif 구조
cj.html代码： <!DOCTYPE HTML> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> </head> <BODY> <!-- 将表单数据提交给panduan.php中处理 --> <form action="http://localhost/panduan.php" method="post"> <input type="text" name="grade" id="grade" placeholder="请输入成绩"> <input type="submit" id="submit" value ="提交"/> </form> </BODY> </HTML>
<?php header("content-type:text/html;charset=utf-8"); // var_dump($_POST); 验证表单数字是否传过来 $grade=$_POST['grade']; if ($grade>=0&&$grade<60){ echo "不及格"; }else if ($grade>=60&&$grade<70){ echo "及格了，继续努力"; } else if ($grade>=70&&$grade<80){ echo "还不错"; } else if ($grade>=80&&$grade<90){ echo "上清华有希望"; } else if ($grade>=90&&$grade<100){ echo "你这辈子没希望了"; } else if ($grade==100){ echo "更没希望了"; } else if ($grade>100){ echo "爱因斯坦转世啊，思密达！"; } else if($grade<0){ echo "请输入正确的分数"; } ?>
2018-08-200个赞
