首页程序实例，已知有一教师库teacher,内有一张教师信息表tea_info(gonghao,name,danwei,zhicheng),四个字段均为Var_char类型，已注册填写教师信息多条,请写出显示教师信息表到网页中的核心语句五条(20分)

程序实例，已知有一教师库teacher,内有一张教师信息表tea_info(gonghao,name,danwei,zhicheng),四个字段均为Var_char类型，已注册填写教师信息多条,请写出显示教师信息表到网页中的核心语句五条(20分)

时间: 2024-03-15 22:43:53 浏览: 60

假设你使用的是PHP语言，可以使用以下核心语句五条将教师信息表tea_info中的数据显示到网页中： 1. 连接数据库： ```php $con = mysqli_connect("localhost","username","password","database_name"); ``` 2. 查询教师信息表： ```php $sql = "SELECT * FROM tea_info"; $result = mysqli_query($con, $sql); ``` 3. 循环输出表格中的每一行数据： ```php echo "<table>"; while($row = mysqli_fetch_array($result)) { echo "<tr><td>" . $row['gonghao'] . "</td><td>" . $row['name'] . "</td><td>" . $row['danwei'] . "</td><td>" . $row['zhicheng'] . "</td></tr>"; } echo "</table>"; ``` 4. 关闭数据库连接： ```php mysqli_close($con); ``` 5. 输出完整的HTML页面： ```php <!DOCTYPE html> <html> <head> <title>教师信息表</title> </head> <body> <?php $con = mysqli_connect("localhost","username","password","database_name"); $sql = "SELECT * FROM tea_info"; $result = mysqli_query($con, $sql); echo "<table>"; while($row = mysqli_fetch_array($result)) { echo "<tr><td>" . $row['gonghao'] . "</td><td>" . $row['name'] . "</td><td>" . $row['danwei'] . "</td><td>" . $row['zhicheng'] . "</td></tr>"; } echo "</table>"; mysqli_close($con); ?> </body> </html> ```

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