📄 addvoteservlet.java
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package com.wxpn.tutorial.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collection;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class for Servlet: VoteMgrServlet
*/
public class AddVoteServlet extends javax.servlet.http.HttpServlet implements
javax.servlet.Servlet {
/*
* (non-Java-doc)
*
* @see javax.servlet.http.HttpServlet#HttpServlet()
*/
public AddVoteServlet() {
super();
}
/*
* (non-Java-doc)
*
* @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request,
* HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>新增投票</title>");
out.println("</head>");
out.println("<body>");
String title = request.getParameter("title");
String style = request.getParameter("style");
String startTime = request.getParameter("startyear") + "-"
+ request.getParameter("startmonth")+ "-"
+ request.getParameter("startday");
String endTime = request.getParameter("endyear") + "-"
+ request.getParameter("endmonth")+ "-"
+ request.getParameter("endday");
String active = request.getParameter("active");
Question question = new Question();
question.setTitle(title);
question.setStyle(style);
question.setStrStartime(startTime);
question.setStrEndtime(endTime);
question.setActive(Integer.parseInt(active));
int n = Integer.parseInt(request.getParameter("n"));
Collection items = new ArrayList();
Item item = null;
for (int i = 1; i <= n; i++) {
item=new Item();
// System.out.println(request.getParameter("option" + i));
item.setOptions(request.getParameter("option" + i));
items.add(item);
item=null;
}
VoteMgr mgr = new VoteMgr();
question.setItems(items);
int i = mgr.addVote(question);
if (i == 1) {
// 撰写新增投票成功
out.println("<h1>新增投票成功!</h1>");
} else {
// 否则，表明新增投票失败：
out.println("<h1>新增投票失败!</h1>");
}
out.println("<a href=admin/addVote.jsp>继续增加投票</a>|");
out.println("<a href=BrowseVoteServlet>浏览投票项目</a>|");
out.println("</body>");
out.println("</html>");
}
}⌨️ 快捷键说明
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