java開辟失業信息治理體系。本站提示廣大學習愛好者：（java開辟失業信息治理體系）文章只能為提供參考，不一定能成為您想要的結果。以下是java開辟失業信息治理體系正文
本文實例為年夜家分享了java失業信息治理平台開辟案例，供年夜家參考，詳細內容以下
可查詢公司信息，先生信息，班級信息，針對先生失業與否信息的統計，先生和治理員登錄後的權限分歧等
失業信息治理平台想要完成的是各個班級的先生失業情形，數據庫裡建有6張表，分離是班級，公司，職位，先生，登錄用戶。
個中失業信息在界面上顯示的內容是先生信息和職位的組合，在jsp頁面中是拼接來完成，假如這個先生找到任務則須要填寫失業信息，不然空著。如失業截圖。
在企業信息中，須要完成的功效是起首有籌劃雇用時光，現實雇用時光，每一個都有先生，假如這個公司雇用停止，則要經由過程前面的編纂把現實雇用時光和現實雇用先生填寫上去，雇用狀況顯示為已停止；不然不填，雇用狀況為雇用中。還有兩個功效就是兩種查詢：一是依據雇用查詢，采取option下拉框中的選擇；而是依據公司稱號查詢，是在框中輸出公司症結字查詢，這裡用到了like隱約查詢。而在失業信息中只用到了option下拉選擇中的依據班級名的查詢。
在班級信息只用到了輸出症結字的准確查詢。他們查詢到的統計信息都邑依據每頁可以或許顯示的條數停止分頁，特別是下拉框選擇查詢，它們能夠不只一條信息。
基本信息裡有班級信息和先生信息，先生信息顯示的是先生的根本信息。
小我信息裡顯示的修正暗碼和用戶信息，用戶信息的一個特色是治理員和通俗教員的權限成績。通俗教員登錄只能檢查信息，但不克不及作任何修正。
一切根本信息都能完成增刪改查，個中作分頁查詢時碰到的難點照樣有的——下拉選擇，另外就是分頁時用到的page.js文件，完成的是顯示第幾頁/共幾頁，首頁/上一頁/下一頁/尾頁。
還有就是權限成績，我是在數據庫中注冊登錄用戶時都有一個permission權限，填yes/no，然後在前面的法式中斷定出來。本項目獨一缺憾就是沒有完成導入導出功效，就是在失業信息欄右上角設置一個導入和導出按鈕，就是一個模板，導入完成的是批量輸出excel中的先生信息，導出完成的是把先生的失業情形導出excel表格情勢。
1. addCompany_action.java
package com.ben.emp.action;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.ben.emp.model.company;
import com.ben.emp.model.user;
import com.ben.emp.service.companyService;
import com.ben.emp.service.impl.companyServiceImpl;
@WebServlet("/addCompany.action")
public class addCompany_action extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
req.getRequestDispatcher("/addCompany.jsp").forward(req, resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
String name = req.getParameter("name");
String introduce = req.getParameter("introduce");
String requirement = req.getParameter("requirement");
String address = req.getParameter("address");
String plantime = req.getParameter("plantime");
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
companyService cs = new companyServiceImpl();
company com = new company();
HttpSession session = req.getSession(true);
user user = (user) session.getAttribute("user");
com.setName(name);
com.setIntroduce(introduce);
com.setRequirement(requirement);
com.setAddress(address);
try {
com.setPlantime(sdf.parse(plantime));
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
com.setState("雇用中");
com.setTeach1(user.getName());
com.setTeach2("");
com.setId(0);
cs.addCompany(com);
resp.sendRedirect(req.getContextPath()+"/company.action");
}
}
2. editStudent_action.java
package com.ben.emp.action;
import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.ben.emp.model.classes;
import com.ben.emp.model.student;
import com.ben.emp.service.classesService;
import com.ben.emp.service.studentService;
import com.ben.emp.service.impl.classesServiceImpl;
import com.ben.emp.service.impl.studentServiceImpl;
@WebServlet("/editStudent.action")
public class editStudent_action extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
String strid = req.getParameter("id");
int studentId = Integer.valueOf(strid);
studentService ss = new studentServiceImpl();
student stu = ss.getStudentById(studentId);
req.setAttribute("stu", stu);
req.getRequestDispatcher("/editStudent.jsp").forward(req, resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
String strid = req.getParameter("id");
int studentId = Integer.valueOf(strid);
String name = req.getParameter("studentname");
String sex = req.getParameter("sex");
String school = req.getParameter("school");
String major = req.getParameter("major");
String bytime = req.getParameter("bytime");
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String tel = req.getParameter("telephone");
String qq = req.getParameter("qq");
studentService ss = new studentServiceImpl();
student stu = new student();
// HttpSession session = req.getSession(true);
// user user = (user)session.getAttribute("user");
String classname = req.getParameter("selectclass");
classesService cs = new classesServiceImpl();
classes cla = cs.getClassesByName(classname);
stu.setName(name);
stu.setSex(sex);
stu.setSchool(school);
stu.setMajor(major);
try {
stu.setBytime(sdf.parse(bytime));
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
stu.setTel(tel);
stu.setQq(qq);
stu.setClassid(cla.getId());
stu.setId(studentId);
ss.editStudent(stu);
resp.sendRedirect(req.getContextPath()+"/student.action");
}
}
3. employ_action.java
package com.ben.emp.action;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.ben.emp.model.classes;
import com.ben.emp.model.info;
import com.ben.emp.model.student;
import com.ben.emp.service.classesService;
import com.ben.emp.service.infoService;
import com.ben.emp.service.studentService;
import com.ben.emp.service.impl.classesServiceImpl;
import com.ben.emp.service.impl.infoServiceImpl;
import com.ben.emp.service.impl.studentServiceImpl;
@WebServlet("/employ.action")
public class employ_action extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
classesService cs = new classesServiceImpl();
List<classes> cla = cs.getClasses();
List<String> lst = new ArrayList<String>();
for(classes ele : cla){
String name = ele.getName();
lst.add(name);
}
studentService ss = new studentServiceImpl();
List<student> lstu = ss.getStudentPage(1, 10);
infoService is = new infoServiceImpl(); //銜接到失業信息內外
List<info> lin = new ArrayList<info>();
for(student ele : lstu){
info info = new info();
info = is.getInfoByStudentId(ele.getId());
lin.add(info);
}
List<student> count = ss.getStudentPage(1, Integer.MAX_VALUE);
int number = count.size();
int page = number % 10 == 0 ? number / 10 : (number/10) + 1;
req.setAttribute("lst", lst);
req.setAttribute("value", "全體");
req.setAttribute("number", number);
req.setAttribute("page", page);
req.setAttribute("index", 1);
req.setAttribute("list", lstu);
req.setAttribute("lin", lin);
req.getRequestDispatcher("/employ.jsp").forward(req, resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
String value = req.getParameter("select");
classesService cs = new classesServiceImpl();
List<classes> cla = cs.getClasses();
List<String> lst = new ArrayList<String>();
lst.add("全體");
for(classes ele : cla){
String name = ele.getName();
lst.add(name);
}
lst.remove(value);
studentService ss = new studentServiceImpl();
infoService is = new infoServiceImpl(); //銜接到失業信息內外
List<info> lin = new ArrayList<info>();
if(value.equals("全體")){
List<student> count = ss.getStudentPage(1, Integer.MAX_VALUE);
int number = count.size();
int page = number % 10 == 0 ? number / 10 : (number/10) + 1;
String strpageIndex = req.getParameter("pageIndex");
int index = Integer.valueOf(strpageIndex);
List<student> lstu = ss.getStudentPage(index, 10);
for(student ele : lstu){
info info = new info();
info = is.getInfoByStudentId(ele.getId());
lin.add(info);
}
req.setAttribute("number", number);
req.setAttribute("page", page);
req.setAttribute("index", index);
req.setAttribute("list", lstu);
req.setAttribute("lin", lin);
}else{
List<student> count = ss.getStudentByClassName(value, 1, Integer.MAX_VALUE);
int number = count.size();
int page = number % 10 == 0 ? number / 10 : (number/10) + 1;
String strpageIndex = req.getParameter("pageIndex");
int index = Integer.valueOf(strpageIndex);
List<student> lstu = ss.getStudentByClassName(value, index, 10);
for(student ele : lstu){
info info = new info();
info = is.getInfoByStudentId(ele.getId());
lin.add(info);
}
req.setAttribute("number", number);
req.setAttribute("page", page);
req.setAttribute("index", index);
req.setAttribute("list", lstu);
req.setAttribute("lin", lin);
}
req.setAttribute("value", value);
req.setAttribute("lst", lst);
req.getRequestDispatcher("/employ.jsp").forward(req, resp);
}
}
4. employ.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ include file="base.jsp" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>無題目文檔</title>
<link href="css/style.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="js/jquery.js"></script>
<!-- 本身加的一行 jquery.js -->
<script type="text/javascript" src="js/jquery-1.11.0.min.js"></script>
<script type="text/javascript" src="js/page.js"></script>
<script type="text/javascript">
$(function(){
$("select").change(function(){
$("#pageIndex").val(1);
$("form").submit();
});
$(".pg").click(subfun);
});
function subfun(){
var id = $(this).attr("id");
var value = $("#pageIndex").val();
var count = $("#pageCount").val();
if(id == "first"){
$("#pageIndex").val(1);
$("form").submit();
}else if(id == "previous"){
if(Number(value) == 1){
return false;
}else{
$("#pageIndex").val(Number(value)-1);
$("form").submit();
}
}else if(id == "next"){
if(value == count){
return false;
}else{
$("#pageIndex").val(Number(value)+1);
$("form").submit();
}
}else{
$("#pageIndex").val(count);
$("form").submit();
}
return false;//阻攔a標簽的網頁跳轉的功效
}
</script>
</head>
<body>
<div class="place">
<span>地位：</span>
<ul class="placeul">
<li><a href="#">首頁</a></li>
<li><a href="#">失業信息</a></li>
</ul>
</div>
<form action="employ.action" method="post">
<div class="rightinfo">
<div class="tools">
<ul class="toolbar">
<li><span>班級稱號：
<select id="select" name="select">
<option>${requestScope.value }</option>
<c:forEach items="${requestScope.lst }" var="ele">
<option>${ele }</option>
</c:forEach>
</select>
</span></li>
</ul>
<ul class="toolbar1">
<li><span><img src="images/t05.png" /></span>下載</li>
</ul>
</div>
<table class="imgtable">
<thead>
<tr>
<th width="100px;">姓名</th>
<th>性別</th>
<th>卒業院校</th>
<th>專業</th>
<th>卒業時光</th>
<th>德律風</th>
<th>失業單元</th>
<th>職位</th>
<th>工資</th>
<th>失業時光</th>
</tr>
</thead>
<tbody>
<c:forEach items="${requestScope.list }" var="stu" varStatus="s">
<tr>
<td class="imgtd">${stu.name }</td>
<td>${stu.sex }</td>
<td>${stu.school }</td>
<td>${stu.major }</td>
<td>${stu.bytime }</td>
<td>${stu.tel }</td>
<c:if test="${requestScope.lin[s.index] == null }" >
<td colspan="4" ><a href="addInfo.action?id=${stu.id }">填寫失業信息</a></td>
</c:if>
<c:if test="${requestScope.lin[s.index] != null }">
<td>${requestScope.lin[s.index].companyname }</td>
<td>${requestScope.lin[s.index].post }</td>
<td>${requestScope.lin[s.index].salary }</td>
<td>${requestScope.lin[s.index].worktime }</td>
</c:if>
</tr>
</c:forEach>
</tbody>
</table>
<input type="hidden" name="pageIndex" id="pageIndex" value="${requestScope.index }">
<input type="hidden" name="pageCount" id="pageCount" value="${requestScope.page }">
<input type="hidden" name="pageNumber" id="pageNumber" value="${requestScope.number }">
<div class="pagin" id="page">
<div class="message">共<i class="blue"> ${requestScope.number } </i>筆記錄，共<i class="blue">
${requestScope.page }</i> 頁，以後顯示第 <i class="blue">${requestScope.index } </i>頁</div>
<ul class="paginList">
<li class="paginItem"><a href="javascript:;" class="paginItem" id="first"><span class="pagepre"></span></a></li>
<li class="paginItem"><a href="javascript:;" class="paginItem" id="previous">上一頁</a></li>
<li class="paginItem"><a href="javascript:;" class="paginItem" id="next">下一頁</a></li>
<li class="paginItem"><a href="javascript:;" class="paginItem" id="last"><span class="pagenxt"></span></a></li>
</ul>
</div>
</div>
</form>
</body>
</html>
5. page.js
$(function(){
$(".paginItem").click(subfun);
});
function subfun(){ //必需要曉得我獲得的是哪個class,我點的是哪個a標簽
var id = $(this).attr("id");
var value = $("#pageIndex").val(); //獲得以後頁
var count = $("#pageCount").val(); //獲得尾頁
if(id == "first"){
$("#pageIndex").val(1); //將pageIndex以後頁
$("form").submit(); //經由過程a標簽停止表單提交
}else if(id == "previous"){ //斷定 本頁能否為首頁 假如為首頁 假如部位首頁的話 斷定以後頁能否為1 ==1首頁 !=1 不是首頁
if(Number(value) == 1){
return false;
}else{
$("#pageIndex").val(Number(value)-1);
$("form").submit();
}
}else if(id == "next"){ //斷定以後頁能否為尾頁 尾頁若何斷定 盤算尾頁 盤算數據庫的總條數 / 每頁顯示若干條 成果能否+1
if(value == count){
return false;
}else{
$("#pageIndex").val(Number(value)+1);
$("form").submit();
}
}else{
$("#pageIndex").val(count);
$("form").submit();
}
return false; //阻攔a標簽的網頁跳轉的功效
}
後果圖：
以上就是本文的全體內容，願望對年夜家的進修有所贊助。
