工程学院教材征订管理系统与招标书的结合实践

public class Textbook {

private String id;

private String name;

private String author;

private double price;

private int quantity;

// 构造函数

public Textbook(String id, String name, String author, double price, int quantity) {

this.id = id;

this.name = name;

this.author = author;

this.price = price;

this.quantity = quantity;

}

// Getter 和 Setter 方法

public String getId() { return id; }

public void setId(String id) { this.id = id; }

public String getName() { return name; }

public void setName(String name) { this.name = name; }

public String getAuthor() { return author; }

public void setAuthor(String author) { this.author = author; }

public double getPrice() { return price; }

public void setPrice(double price) { this.price = price; }

public int getQuantity() { return quantity; }

public void setQuantity(int quantity) { this.quantity = quantity; }

}

public class TenderDocument {

private String tenderId;

private String textbookId;

private String description;

private Date deadline;

private List suppliers;

// 构造函数

public TenderDocument(String tenderId, String textbookId, String description, Date deadline) {

this.tenderId = tenderId;

this.textbookId = textbookId;

this.description = description;

this.deadline = deadline;

this.suppliers = new ArrayList<>();

}

// Getter 和 Setter 方法

public String getTenderId() { return tenderId; }

public void setTenderId(String tenderId) { this.tenderId = tenderId; }

public String getTextbookId() { return textbookId; }

public void setTextbookId(String textbookId) { this.textbookId = textbookId; }

public String getDescription() { return description; }

public void setDescription(String description) { this.description = description; }

public Date getDeadline() { return deadline; }

public void setDeadline(Date deadline) { this.deadline = deadline; }

public List getSuppliers() { return suppliers; }

public void addSupplier(String supplier) { suppliers.add(supplier); }

}

public class TextbookService {

// 模拟数据库

private Map textbooks = new HashMap<>();

public void addTextbook(Textbook textbook) {

textbooks.put(textbook.getId(), textbook);

}

public void processOrder(String textbookId, int quantity) {

Textbook textbook = textbooks.get(textbookId);

if (textbook == null) {

System.out.println("教材不存在");

return;

}

if (quantity > textbook.getQuantity()) {

System.out.println("库存不足");

return;

}

if (textbook.getPrice() * quantity > 5000) { // 假设超过5000元需要招标

generateTenderDocument(textbookId, quantity);

} else {

System.out.println("无需招标，直接采购");

}

}

private void generateTenderDocument(String textbookId, int quantity) {

Textbook textbook = textbooks.get(textbookId);

String tenderId = "TND-" + System.currentTimeMillis();

String description = "关于" + textbook.getName() + "教材的采购招标";

Date deadline = new Date(System.currentTimeMillis() + 7 * 24 * 60 * 60 * 1000); // 7天后截止

TenderDocument tender = new TenderDocument(tenderId, textbookId, description, deadline);

tender.addSupplier("供应商A");

tender.addSupplier("供应商B");

System.out.println("招标书已生成：");

System.out.println("ID: " + tenderId);

System.out.println("教材ID: " + textbookId);

System.out.println("描述: " + description);

System.out.println("截止时间: " + deadline);

System.out.println("供应商: " + tender.getSuppliers());

}

}