📄 grcx.java
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package servlets;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import db.DB;
public class Grcx extends HttpServlet {
/**
* 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");
PrintWriter out = response.getWriter();
out
.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the GET method");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
/**
* 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 {
request.setCharacterEncoding("GBK");
String checkbox1 = request.getParameter("checkbox1") ;
String checkbox2 = request.getParameter("checkbox2") ;
String checkbox3 = request.getParameter("checkbox3") ;
String checkbox4 = request.getParameter("checkbox4") ;
String checkbox5 = request.getParameter("checkbox5") ;
String gh,name,college,rzsj,sex ;
if("1".equals(checkbox1)){
gh = request.getParameter("gh") ;
}else{
gh = "%" ;
}
if("2".equals(checkbox2)){
name = request.getParameter("name") ;
}else{
name = "%" ;
}
if("3".equals(checkbox3)){
college = request.getParameter("college") ;
}else{
college = "%" ;
}
if("4".equals(checkbox4)){
rzsj = request.getParameter("rzsj") ;
}else{
rzsj = "%" ;
}
if("5".equals(checkbox5)){
sex = request.getParameter("sex") ;
}else{
sex = "%" ;
}
ArrayList s = new DB().searchUser(gh, name, college, rzsj, sex) ;
System.out.println(name);
request.setAttribute("rs", s);
request.getRequestDispatcher("../sa.jsp").forward(request, response);
}
}
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