package bdqn.newsManageServlet.Servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import bdqn.newsManageServlet.Service.categoryTBService;
import bdqn.newsManageServlet.Service.Impl.categoryTBServiceImpl;
public class doDelCategoryServlet extends HttpServlet {
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
//获取id
int id=Integer.parseInt(request.getParameter("cgid"));
//创建业务逻辑层的对象
categoryTBService sgService = new categoryTBServiceImpl();
int rel = sgService.delCategory(id);
if (rel > 0) {
//删除成功!
out.print("<script>alert('删除成功');location.href='adminManage/manageTopic.jsp';</script>");
} else if(rel==0) {
//删除失败
out.print("<script>alert('删除失败,该类别下有新闻,不能删除');location.href='adminManage/manageTopic.jsp';</script>");
}else{
//删除失败
out.print("<script>alert('删除失败,请联系管理员!!!');location.href='adminManage/manageTopic.jsp';</script>");
}
}
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}
}