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@@ -0,0 +1,233 @@
+```sql
+create database book charset utf8;
+use book;
+create table user(
+id int primary key auto_increment,
+name varchar(20) not null,
+score DECIMAL(3.1) not null
+);
+```
+
+```php
+
+
+
+
+ 学生信息
+
+
+
+
+
+
+ | 学号 |
+ 姓名 |
+ 成绩 |
+
+
+ 暂无学生信息 |
+ ";
+
+ }else {
+ while ($ds = mysqli_fetch_assoc($soo)) {
+ ?>
+
+ |
+ |
+ |
+
+ 修改
+ 删除
+ |
+
+
+
+
+
+ 添加学生 |
+
+
+
+
+
+
+```
+
+```php
+
+
+
+
+ 添加学生信息
+
+
+添加学生信息
+
+
+
+```
+
+```php
+
+
+
+ 修改信息
+
+
+修改信息
+
+
+```
+
+```php
+返回首页";
+}else{
+ echo "修改失败！";
+}
+```
+
+```php
+返回首页";
+}else{
+ echo "删除失败！";
+}
+```
+