diff --git "a/\346\235\216\345\255\220\344\272\221/20220523-php\346\223\215\344\275\234mysql.md" "b/\346\235\216\345\255\220\344\272\221/20220523-php\346\223\215\344\275\234mysql.md" new file mode 100644 index 0000000000000000000000000000000000000000..f846f34ee322b36ac34e2d5f135cbbc83a03ff2f --- /dev/null +++ "b/\346\235\216\345\255\220\344\272\221/20220523-php\346\223\215\344\275\234mysql.md" @@ -0,0 +1,65 @@ +# 作业 + +```mysql +create database student charset utf8; +use student; +create table user( + id int primary key auto_increment, + name varchar(20) not null, + score decimal(6,3) not null +) +``` + +```php +"; +}else { + echo "添加失败".mysqli_error($link); +} +//删数据 +$c="delete from `user`where `id`=2"; +mysqli_query($link,$c); +$b=mysqli_affected_rows($link); +if($b==0){ + echo "没删数据"; +}else{ + echo "删了".$b; +} + + +//改数据 +$d="update `user`set`name`='陈得胜'"; +mysqli_query($link,$d); + + +//查数据 +$e="select * from `user` "; +$f=mysqli_query($link,$e); +echo" + + + + + +"; +while ($arr=mysqli_fetch_assoc($f)){ + echo""; +} +mysqli_close($link); +``` + diff --git "a/\346\235\216\345\255\220\344\272\221/20220601.php\344\274\232\350\257\235\346\212\200\346\234\257.md" "b/\346\235\216\345\255\220\344\272\221/20220601.php\344\274\232\350\257\235\346\212\200\346\234\257.md" new file mode 100644 index 0000000000000000000000000000000000000000..5343673ddf6d7e21279c76a352291a3f9f7785f4 --- /dev/null +++ "b/\346\235\216\345\255\220\344\272\221/20220601.php\344\274\232\350\257\235\346\212\200\346\234\257.md" @@ -0,0 +1,75 @@ +作业 + +```php +查看余额"; + } + else{ + echo "登陆失败返回"; + } +} +else { + ?> + + + + + + + Document + + + + 用户名： +
+ 密码： +
+ + + + + + + + 登录"; + exit(); +} +//如果登陆过了 就直接显示余额 +echo $_SESSION['user']."你卡里余额：9.9元，给你办结婚证"; +echo "退出登录"; + +返回"; +``` +
排名姓名分数
{$arr['id']}{$arr['name']}{$arr['score']}