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一般情况下,java中说的核心代码其实都是一项功能的主要代码,对于一个项目来说,服务就是核心代码,对于一个公司来说底层就是核心代码,不能统一而论……
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编写Java说明书招聘、求职系统引言时,应该遵循以下原则:简明扼要,突出重点,尽量言简意赅。
下面是一个Java说明书招聘、求职系统引言的参考范文:
引言
随着互联网和信息技术的快速发展,人们的求职和招聘方式发生了重大转变。在这个背景下,我们设计了这款基于Java技术的招聘、求职系统。
本系统旨在为企业提供一个更加高效、便捷的招聘流程,同时为求职者提供更加精准、个性化的求职过程。系统基于Java技术平台构建,采用B/S结构,实现了企业招聘信息的发布、管理和更新,以及求职者简历的录入、管理和匹配等功能。
本系统通过前后端分离的方式,前端采用HTML、CSS、JavaScript等Web技术,后端采用Spring、MyBatis等Java技术,实现了用户友好的界面和高效、安全的数据处理。此外,系统还结合人工智能和大数据技术实现了智能匹配、推荐职位等功能,提高了招聘和求职的成功率。
总之,本招聘、求职系统致力于为企业和求职者提供全方位、高质量、个性化
我帮你写了那些JAVA代码了,效果包你满意!呵呵……
至于网页的代码嘛,这里就不贴了。你要的话HI我吧^_^。
JAVA代码如下:
import java.awt.BorderLayout;
import javax.swing.*;
import java.awt.Dimension;
import java.awt.Rectangle;
public class MyLuRu extends JFrame {
private static final long serialVersionUID = 1L;
private JPanel jContentPane = null;
private JLabel jLabel = null;
private JLabel jLabel1 = null;
private JLabel jLabel2 = null;
private JLabel jLabel3 = null;
private JTextField jTextField = null;
private JRadioButton jRadioButton = null;
private JRadioButton jRadioButton1 = null;
private JComboBox jComboBox = null;
private JComboBox jComboBox1 = null;
private JButton jButton = null;
private JButton jButton1 = null;
private JTextArea jTextArea = null;
private ButtonGroup mybg=new ButtonGroup();
/**
* This is the default constructor
*/
public MyLuRu() {
super();
initialize();
}
/**
* This method initializes this
*
* @return void
*/
private void initialize() {
this.setSize(268, 407);
this.setContentPane(getJContentPane());
this.setTitle("录入");
this.addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent e) {
System.exit(0);
}
});
this.setVisible(true);
}
/**
* This method initializes jContentPane
*
* @return javax.swing.JPanel
*/
private JPanel getJContentPane() {
if (jContentPane == null) {
jLabel3 = new JLabel();
jLabel3.setBounds(new Rectangle(16, 150, 65, 18));
jLabel3.setText("文化程度:");
jLabel2 = new JLabel();
jLabel2.setBounds(new Rectangle(16, 108, 39, 18));
jLabel2.setText("专业:");
jLabel1 = new JLabel();
jLabel1.setBounds(new Rectangle(16, 66, 39, 18));
jLabel1.setText("性别:");
jLabel = new JLabel();
jLabel.setBounds(new Rectangle(16, 24, 39, 18));
jLabel.setText("姓名:");
jContentPane = new JPanel();
jContentPane.setLayout(null);
jContentPane.add(jLabel, null);
jContentPane.add(jLabel1, null);
jContentPane.add(jLabel2, null);
jContentPane.add(jLabel3, null);
jContentPane.add(getJTextField(), null);
jContentPane.add(getJRadioButton(), null);
jContentPane.add(getJRadioButton1(), null);
mybg.add(jRadioButton);
mybg.add(jRadioButton1);
jContentPane.add(getJComboBox(), null);
jContentPane.add(getJComboBox1(), null);
jContentPane.add(getJButton(), null);
jContentPane.add(getJButton1(), null);
jContentPane.add(getJTextArea(), null);
}
return jContentPane;
}
/**
* This method initializes jTextField
*
* @return javax.swing.JTextField
*/
private JTextField getJTextField() {
if (jTextField == null) {
jTextField = new JTextField();
jTextField.setBounds(new Rectangle(61, 24, 180, 18));
}
return jTextField;
}
/**
* This method initializes jRadioButton
*
* @return javax.swing.JRadioButton
*/
private JRadioButton getJRadioButton() {
if (jRadioButton == null) {
jRadioButton = new JRadioButton();
jRadioButton.setBounds(new Rectangle(61, 62, 38, 26));
jRadioButton.setText("男");
}
return jRadioButton;
}
/**
* This method initializes jRadioButton1
*
* @return javax.swing.JRadioButton
*/
private JRadioButton getJRadioButton1() {
if (jRadioButton1 == null) {
jRadioButton1 = new JRadioButton();
jRadioButton1.setBounds(new Rectangle(117, 62, 38, 26));
jRadioButton1.setText("女");
}
return jRadioButton1;
}
/**
* This method initializes jComboBox
*
* @return javax.swing.JComboBox
*/
private JComboBox getJComboBox() {
if (jComboBox == null) {
String[] strcb={"计算机","电子","工商"};
jComboBox = new JComboBox(strcb);
jComboBox.setBounds(new Rectangle(62, 108, 93, 18));
}
return jComboBox;
}
/**
* This method initializes jComboBox1
*
* @return javax.swing.JComboBox
*/
private JComboBox getJComboBox1() {
if (jComboBox1 == null) {
String[] strcb2={"大专","本科","硕士","博士"};
jComboBox1 = new JComboBox(strcb2);
jComboBox1.setBounds(new Rectangle(92, 150, 125, 18));
}
return jComboBox1;
}
/**
* This method initializes jButton
*
* @return javax.swing.JButton
*/
private JButton getJButton() {
if (jButton == null) {
jButton = new JButton();
jButton.setBounds(new Rectangle(66, 181, 60, 28));
jButton.setText("提交");
jButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
String strname=jTextField.getText();
String strsex="男";
if(jRadioButton1.isSelected()){
strsex="女";
}
String strzy=jComboBox.getSelectedItem().toString();
String strwh=jComboBox1.getSelectedItem().toString();
jTextArea.setText("姓名:"+strname+"\r\n"+"性别:"+strsex+"\r\n"+"专业:"+strzy+"\r\n"+"文化:"+strwh);
}
});
}
return jButton;
}
/**
* This method initializes jButton1
*
* @return javax.swing.JButton
*/
private JButton getJButton1() {
if (jButton1 == null) {
jButton1 = new JButton();
jButton1.setBounds(new Rectangle(158, 181, 60, 28));
jButton1.setText("取消");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
System.exit(0);
}
});
}
return jButton1;
}
/**
* This method initializes jTextArea
*
* @return javax.swing.JTextArea
*/
private JTextArea getJTextArea() {
if (jTextArea == null) {
jTextArea = new JTextArea();
jTextArea.setBounds(new Rectangle(16, 225, 229, 130));
}
return jTextArea;
}
public static void main(String args[]){
new MyLuRu();
}
}
效果如下图:
1、思路:
明确需要爬取的信息
分析网页结构
分析爬取流程
优化
2、明确需要爬取的信息
职位名称
工资
职位描述
公司名称
公司主页
详情网页
分析网页结构
3、目标网站-拉勾网
网站使用json作为交互数据,分析json数据,需要的json关键数据
查看需要的信息所在的位置,使用Jsoup来解析网页
4、分析爬取流程
1.获取所有的positionId生成详情页,存放在一个存放网址列表中ListString joburls
2.获取每个详情页并解析为Job类,得到一个存放Job类的列表ListJob jobList
3.把ListJob jobList存进Excel表格中
Java操作Excel需要用到jxl
5、关键代码实现
public ListString getJobUrls(String gj,String city,String kd){
String pre_url="";
String end_url=".html";
String url;
if (gj.equals("")){
url=";city="+city+"needAddtionalResult=falsefirst=falsepn="+pn+"kd="+kd;
}else {
url=""+gj+"px=defaultcity="+city+"needAddtionalResult=falsefirst=falsepn="+pn+"kd="+kd;
}
String rs=getJson(url);
System.out.println(rs);
int total= JsonPath.read(rs,"$.content.positionResult.totalCount");//获取总数
int pagesize=total/15;
if (pagesize=30){
pagesize=30;
}
System.out.println(total);
// System.out.println(rs);
ListInteger posid=JsonPath.read(rs,"$.content.positionResult.result[*].positionId");//获取网页id
for (int j=1;j=pagesize;j++){ //获取所有的网页id
pn++; //更新页数
url=""+gj+"px=defaultcity="+city+"needAddtionalResult=falsefirst=falsepn="+pn+"kd="+kd;
String rs2=getJson(url);
ListInteger posid2=JsonPath.read(rs2,"$.content.positionResult.result[*].positionId");
posid.addAll(posid2); //添加解析的id到第一个list
}
ListString joburls=new ArrayList();
//生成网页列表
for (int id:posid){
String url3=pre_url+id+end_url;
joburls.add(url3);
}
return joburls;
}
public Job getJob(String url){ //获取工作信息
Job job=new Job();
Document document= null;
document = Jsoup.parse(getJson(url));
job.setJobname(document.select(".name").text());
job.setSalary(document.select(".salary").text());
String joball=HtmlTool.tag(document.select(".job_bt").select("div").html());//清除html标签
job.setJobdesc(joball);//职位描述包含要求
job.setCompany(document.select(".b2").attr("alt"));
Elements elements=document.select(".c_feature");
//System.out.println(document.select(".name").text());
job.setCompanysite(elements.select("a").attr("href")); //获取公司主页
job.setJobdsite(url);
return job;
}
void insertExcel(ListJob jobList) throws IOException, BiffException, WriteException {
int row=1;
Workbook wb = Workbook.getWorkbook(new File(JobCondition.filename));
WritableWorkbook book = Workbook.createWorkbook(new File(JobCondition.filename), wb);
WritableSheet sheet=book.getSheet(0);
for (int i=0;ijobList.size();i++){ //遍历工作列表,一行行插入到表格中
sheet.addCell(new Label(0,row,jobList.get(i).getJobname()));
sheet.addCell(new Label(1,row,jobList.get(i).getSalary()));
sheet.addCell(new Label(2,row,jobList.get(i).getJobdesc()));
sheet.addCell(new Label(3,row,jobList.get(i).getCompany()));
sheet.addCell(new Label(4,row,jobList.get(i).getCompanysite()));
sheet.addCell(new Label(5,row,jobList.get(i).getJobdsite()));
row++;
}
book.write();
book.close();
}