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package web.servlet.teacher;
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import service.TeacherService;
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import service.impl.TeacherServiceImpl;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import java.io.IOException;
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@WebServlet("/deleteOptionalCourseServlet")
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public class DeleteOptionalCourseServlet extends HttpServlet {
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// 处理POST请求的方法
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// 设置请求字符编码为UTF-8，以支持中文字符
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request.setCharacterEncoding("utf-8");
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// 获取请求 "cid"，表示要删除的课程ID
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String cid = request.getParameter("cid");
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// 创建教师服务的实现类实例
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TeacherService service = new TeacherServiceImpl();
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// 调用服务层方法，根据课程ID删除课程
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service.deleteCourseById(cid);
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// 请求转发到教师可选课程的Servlet，以更新课程列表
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request.getRequestDispatcher("/teacherOptionalCourseServlet").forward(request, response);
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}
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// 处理GET请求的方法
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// 对于GET请求，调用doPost方法进行处理
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doPost(request, response);
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}
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}
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//public class DeleteOptionalCourseServlet extends HttpServlet {
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//
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// // 处理POST请求的方法
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// protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// // 设置请求字符编码为UTF-8，以支持中文字符
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// request.setCharacterEncoding("utf-8");
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//
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// // 获取请求 "cid"，表示要删除的课程ID
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// String cid = request.getParameter("cid");
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//
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// // 创建教师服务的实现类实例
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// TeacherService service = new TeacherServiceImpl();
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//
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// // 调用服务层方法，根据课程ID删除课程
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// service.deleteCourseById(cid);
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//
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// // 请求转发到教师可选课程的Servlet，以更新课程列表
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// request.getRequestDispatcher("/teacherOptionalCourseServlet").forward(request, response);
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// }
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//
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// // 处理GET请求的方法
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// protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// // 对于GET请求，调用doPost方法进行处理
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// doPost(request, response);
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// }
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//}
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