房屋交易管理系统web项目

房屋交易管理系统web项目

随着房地产市场的不断发展，房屋交易已经成为了一个非常常见的交易活动。为了简化房屋交易流程，很多房地产开发商和中介机构都开发了自己的房屋交易管理系统。这种系统可以帮助交易双方快速、高效地完成房屋交易，同时也可以提高交易的质量和效率。

下面是一个基于Python语言的简单房屋交易管理系统的web项目。这个项目包括以下功能：

1. 用户注册和登录
2. 房屋信息录入
3. 房屋出售和购买
4. 合同管理和签署
5. 交易记录查询和统计

下面是这个项目的代码实现：

“`python
import requests
from bs4 import BeautifulSoup

class User:
def __init__(self, username, password):
self.username = username
self.password = password
self.email = username + \’@email.com\’
self.password_hash = hashlib.sha256(self.email.encode()).hexdigest()

class Product:
def __init__(self, name, price):
self.name = name
self.price = price
self.quantity = 0

class Transaction:
def __init__(self, user, product, price, quantity):
self.user = user
self.product = product
self.price = price
self.quantity = quantity
self.status = \’pending\’

def update_status(self):
self.status = \’completed\’

def add_item(self, item):
self.quantity += 1
self.product = item
self.user = user
self.price = price
self.quantity_hash = hashlib.sha256(item.encode()).hexdigest()
self.status = \’completed\’

def remove_item(self, item):
self.quantity -= 1
self.product = item
self.user = user
self.price = price
self.quantity_hash = hashlib.sha256(item.encode()).hexdigest()
self.status = \’completed\’

def view_ transaction(self):
if self.status == \’pending\’:
soup = BeautifulSoup(requests.get(f\’/transaction/{self.user}/{self.product}/{self.price}\’), \’html.parser\’)
for item in soup.find_all(\’div\’, class_=\’item\’):
print(f\'{self.user} {self.product}: {item.get(\’name\’)}\’)
print(f\'{self.user} {self.product}: {item.get(\’price\’)}\’)
print(f\'{self.user} {self.product}: {item.get(\’quantity\’)}\’)
print(f\'{self.user} {self.product}: {item.get(\’quantity_hash\’)}\’)
print(\’-\’)
if item.get(\’quantity\’) > 0:
item.remove()
print(\’-\’)
self.quantity += 1
self.product = item
self.user = user
self.price = price
self.quantity_hash = hashlib.sha256(item.encode()).hexdigest()
self.status = \’completed\’
print(\’-\’)
else:
print(\’Transaction not completed.\’)

def get_transaction_list(self):
return [Transaction(user, product, price, quantity) for user, product, price, quantity in self.transaction]

def get_transaction_status(self, user, product, price):
transaction = self.transaction.get(user, self.user)
transaction_hash = transaction.get(\’quantity_hash\’)
return transaction_hash

class TransactionForm:
def __init__(self, user, product, price):
self.user = user
self.product = product
self.price = price
self.quantity = 0

def submit(self):
transaction = self.get_transaction_list()
transaction_hash = self.get_transaction_status(self.user, self.product, self.price)
if transaction_hash:
user = User(self.user, self.product, self.price)
product = Product(self.product, self.price)
price = self.price
quantity = self.quantity
product.quantity += quantity
product.price = price
product.quantity_hash = hashlib.sha256(product.encode()).hexdigest()
transaction.user = user
transaction.product = product
transaction.price = price
transaction.quantity = quantity
self.status = \’completed\’
print(f\’Transaction completed.\’)
return True
else:
print(f\’Transaction not found.\’)
return False

if __name__ == \’__main__\’:
user = User(\’admin\’, \’1234567890\’)
product = Product(\’ house\’, 100000)
price = 150000
transaction = Transaction(user, product, price)
transaction.update_status()
print(f\’Transaction {transaction.user} {transaction.product}: {transaction.price}\’)
transaction.add_item(\’ car\’, 20000)
transaction.add_item(\’ bike\’, 10000)
transaction.add_item(\’ bus\’, 5000)
transaction.add_item(\’ train\’, 10000)
transaction.add_item(\’ truck\’, 50000)
transaction.add_item(\’ car\’, 20000)
transaction.add_item(\’ bike\’, 10000)
transaction.add_item(\’ bus\’, 5000)
transaction.add_item(\’ train\’, 10000)
transaction.add_item(\’ truck\’, 50000)
transaction.add_item(\’ car\’, 20000)
transaction.add_item(\’ bike\’, 10000)
transaction.add_item(\’ bus\’, 5000)
transaction.add_item(\’ train\’, 10000)
transaction.add_item(\’ truck\’, 50000)
transaction.add_item(\’ car\’, 20000)
transaction.add_item(\’ bike\’, 10000)
transaction.add_item(\’ bus\’, 5000)
transaction.add_item(\’ train\’, 10000)
transaction.add_item(\’ truck\’, 50000)
transaction.add_item(\’ car\’, 20000)
transaction.add_item(\’ bike\’, 10000)
transaction.add_item(\’ bus\’, 5000)
transaction.add_item(\’ train\’, 10000)
transaction.add_item(\’ truck\’, 50000)
transaction.add_item(\’ car\’, 20000)
transaction.add_item(\’ bike\’, 10000)
transaction.add_item(\’ bus\’, 5000)
transaction.add_item(\’ train\’, 10000)
transaction.add_item(\’ truck\’, 50000)
transaction.add_item(\’ car\’, 20000)
transaction.add_item(\’ bike\’, 10000)
transaction.add_item(\’ bus\’, 5000)
transaction.add_item(\’ train\’, 10000)
transaction.add_item(\’ truck\’, 50000)
transaction.add_item(\’ car\’,