由于缺乏具体的上下文和代码信息,以下代码仅供参考:

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/deleteEmployee")
public class DeleteEmployeeServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String employeeId = request.getParameter("employeeId");
        Connection conn = null;
        PreparedStatement stmt = null;
        try {
            // 获取数据库连接
            Class.forName("com.mysql.jdbc.Driver");
            conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydb", "root", "password");
            // 执行SQL语句,删除员工
            stmt = conn.prepareStatement("DELETE FROM employee WHERE id = ?");
            stmt.setString(1, employeeId);
            stmt.executeUpdate();
            // 重定向到员工列表页面
            response.sendRedirect(request.getContextPath() + "/employeeList");
        } catch (ClassNotFoundException | SQLException e) {
            e.printStackTrace();
            response.getWriter().write(e.getMessage());
        } finally {
            // 关闭数据库连接和SQL语句对象
            if (stmt != null) {
                try {
                    stmt.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
            if (conn != null) {
                try {
                    conn.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

该Servlet通过接收HTTP POST请求中的员工ID参数,从数据库中删除对应的员工记录,并重定向到员工列表页面。在实际应用中,需要根据具体的业务逻辑和数据库结构进行修改和优化

删除员工的servlet代码

原文地址: https://www.cveoy.top/t/topic/hxbG 著作权归作者所有。请勿转载和采集!

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