📄 deleteservlet.java
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package servlet;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import Dao.mydao;
public class deleteservlet extends HttpServlet {
private static final String CONTENT_TYPE = "text/html; charset=GBK";
//Initialize global variables
public void init() throws ServletException {
}
//Process the HTTP Get request
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
response.setContentType(CONTENT_TYPE);
mydao dao = new mydao();
int num = dao.delUser(Integer.parseInt(request.getParameter("ID")));
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>deleteservlet</title></head>");
out.println("<body bgcolor=\"#ffffff\">");
if(num==1){
//out.println("Contact Successfully deleted");
//out.println("<a href =myservlet>[Home]</a>");
response.setHeader("refresh","5;url =delsucceedservlet");
}
else{
out.println("删除失败");
out.println("五秒后回到主界面");
out.println("<a href =myservlet>[Home]</a>");
response.setHeader("refresh","5;url =myservlet");
}
out.println("</body>");
out.println("</html>");
out.close();
}
//Process the HTTP Post request
public void doPost(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
doGet(request, response);
}
//Clean up resources
public void destroy() {
}
}
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