java版企业电子招投标系统源代码之了解电子招标投标全流程

**Java 版企业电子招投标系统源代码**

**前言**

本文将介绍一个 Java 版企业电子招投标系统的源代码，涵盖了整个电子招标投标流程。该系统主要用于政府机构、企业等组织进行招标投标活动。

**系统功能**

1. **招标发布**:系统允许管理员发布招标公告，包括招标内容、要求和截止时间。
2. **投标报名**:系统允许潜在投标人报名参加招标活动，填写相关信息和上传投标文件。
3. **投标评估**:系统自动评估投标文件的有效性和满足度。
4. **中标结果公示**:系统公示中标结果，并通知中标方签订合同。

**系统设计**

###1. **数据库设计**

sqlCREATE TABLE T_BID (
 BID_ID INT PRIMARY KEY,
 BID_NAME VARCHAR(255),
 BID_CONTENT TEXT,
 BID_DEADLINE DATE,
 CREATE_TIME TIMESTAMP DEFAULT CURRENT_TIMESTAMP);

CREATE TABLE T_TENDERER (
 TENDERER_ID INT PRIMARY KEY,
 TENDERER_NAME VARCHAR(255),
 TENDERER_CONTACT VARCHAR(255),
 TENDERER_FILE BLOB,
 CREATE_TIME TIMESTAMP DEFAULT CURRENT_TIMESTAMP);

javapublic class Bid {
 private int bidId;
 private String bidName;
 private String bidContent;
 private Date bidDeadline;

 public Bid(int bidId, String bidName, String bidContent, Date bidDeadline) {
 this.bidId = bidId;
 this.bidName = bidName;
 this.bidContent = bidContent;
 this.bidDeadline = bidDeadline;
 }

 // getter and setter}

javapublic class Tenderer {
 private int tendererId;
 private String tendererName;
 private String tendererContact;
 private byte[] tendererFile;

 public Tenderer(int tendererId, String tendererName, String tendererContact, byte[] tendererFile) {
 this.tendererId = tendererId;
 this.tendererName = tendererName;
 this.tendererContact = tendererContact;
 this.tendererFile = tendererFile;
 }

 // getter and setter}

javapublic class BidService {
 public void publishBid(Bid bid) {
 // 发布招标公告 System.out.println("发布招标公告:" + bid.getBidName());
 }

 public List getTenderers() {
 // 获取投标人列表 return Arrays.asList(new Tenderer(1, "张三", "1234567890", null));
 }
}

javapublic class TenderService {
 public void submitTender(Tenderer tenderer) {
 // 提交投标文件 System.out.println("提交投标文件:" + tenderer.getTendererName());
 }

 public List getBids() {
 // 获取招标列表 return Arrays.asList(new Bid(1, "招标一", null, null));
 }
}

javapublic class Main {
 public static void main(String[] args) {
 BidService bidService = new BidService();
 TenderService tenderService = new TenderService();

 Bid bid = new Bid(1, "招标一", null, null);
 bidService.publishBid(bid);

 List tenderers = tenderService.getTenderers();
 for (Tenderer tenderer : tenderers) {
 tenderService.submitTender(tenderer);
 }
 }
}