停車管理系統(tǒng)項目源碼

停車管理系統(tǒng)是一種用于管理停車場或停車位的軟件系統(tǒng)。該系統(tǒng)可以幫助車主找到最近的停車位，并為停車場管理人員提供實時的數(shù)據(jù)和分析。今天，我將分享一個停車管理系統(tǒng)項目的源碼，旨在介紹如何構(gòu)建一個高效的系統(tǒng)。

首先，我們需要選擇一個合適的編程語言和框架來構(gòu)建停車管理系統(tǒng)。常用的編程語言包括Java、Python和C#等。常用的框架包括Spring、Django和Flask等。我們選擇使用Java作為我們的編程語言，并使用Spring框架作為我們的開發(fā)框架。

接下來，我們需要設(shè)計我們的系統(tǒng)架構(gòu)。該系統(tǒng)應(yīng)該包括以下組件：

1. 用戶界面：該系統(tǒng)應(yīng)該提供一個用戶友好的界面，使車主可以找到最近的停車位并支付費用。

2. 數(shù)據(jù)庫：該系統(tǒng)應(yīng)該有一個數(shù)據(jù)庫來存儲停車場的信息，包括停車位的位置、價格和狀態(tài)等。

3. 服務(wù)器：該系統(tǒng)應(yīng)該有一個服務(wù)器來存儲數(shù)據(jù)并處理用戶請求。

4. 前端框架：該系統(tǒng)應(yīng)該使用一個前端框架來構(gòu)建用戶界面。

5. 后端框架：該系統(tǒng)應(yīng)該使用一個后端框架來構(gòu)建數(shù)據(jù)庫和服務(wù)器。

下面是停車管理系統(tǒng)項目的源碼的簡要結(jié)構(gòu)：

“`
– pom.xml
– src
– main
– java
– src
– main
– java
– classes
– User.java
– 停車場管理
– src
– main
– java
– src
– main
– java
– User.java
– 停車場管理
– src
– main
– java
– src
– main
– java
– Payment.java
– 支付接口
“`

在上面的代碼中，`User`類是用戶接口，`Payment`類是支付接口。`停車場管理`類是停車場管理系統(tǒng)的核心，它包含了所有與停車場管理相關(guān)的邏輯。

接下來，我們需要實現(xiàn)`User`類和`Payment`類的功能。`User`類包含了用戶的信息，包括用戶名、密碼和郵箱等。`Payment`類包含了用戶的支付信息，包括信用卡信息等。

下面是`User`類和`Payment`類的具體實現(xiàn)：

“`
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernamePasswordEncoder;
import org.springframework.security.core.userdetails.UsernamePasswordEncoders;
import org.springframework.security.core.userdetails.UserDetailsServiceFactory;
import org.springframework.security.core.userdetails.UserDetailsServiceException;
import org.springframework.security.core.userdetails.UserDetailsManager;
import org.springframework.security.core.userdetails.UserDetailsManagerFactory;
import org.springframework.security.core.userdetails.UsernamePasswordEncoder;
import org.springframework.security.core.userdetails.UserRepository;
import org.springframework.security.core.userdetails.SecurityContextContext;
import org.springframework.security.core.userdetails.UserRepositoryFactory;
import org.springframework.security.core.userdetails.UserService;
import org.springframework.security.core.userdetails.UserServiceFactory;
import org.springframework.security.core.userdetails.jdbc.JdbcUserDetailsService;
import org.springframework.security.core.userdetails.jdbc.JdbcUserDetailsServiceFactory;
import org.springframework.security.core.userdetails.service.UserDetailsService;
import org.springframework.security.core.userdetails.service.UserDetailsServiceFactory;
import org.springframework.security.core.userdetails.support.DefaultUserDetailsDetailsFactory;
import org.springframework.security.core.userdetails.support.SecurityContextHolder;
import org.springframework.security.core.userdetails.support.DefaultSecurityContextHolder;
import org.springframework.security.core.userdetails.support.UsernamePasswordEncoder;
import org.springframework.security.core.userdetails.support.UserDetailsDetailsFactory;
import org.springframework.security.core.userdetails.support.UserRepositoryFactory;
import org.springframework.security.core.userdetails.support.UserRepository;
import org.springframework.security.core.userdetails.support.DefaultUserDetailsDetails;
import org.springframework.security.core.userdetails.support.DefaultUserDetailsDetailsFactory;
import org.springframework.security.core.userdetails.support.SecurityContextHolderHolder;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class UserDetailsManagerFactory implements UserDetailsManagerFactory {

@Override
public UserDetailsManager createUserDetailsManager(String name, String jdbcUsername, String jdbcPassword) throws UserDetailsManagerException {
if (name == null) {
throw new UserDetailsManagerException(\”name is null\”);
}
if (jdbcUsername == null) {
throw new UserDetailsManagerException(\”jdbcUsername is null\”);
}
if (jdbcPassword == null) {
throw new UserDetailsManagerException(\”jdbcPassword is null\”);
}
if (name.isEmpty()) {
throw new UserDetailsManagerException(\”name is empty\”);
}
if (name.equals(\”Spring Security\”)) {
return new JdbcUserDetailsServiceFactory();
} else {
throw new UserDetailsManagerException(\”name is notSpring Security\”);
}
}

@Override
public UserRepository createUserRepository(String name, String jdbcUsername, String jdbcPassword) throws UserRepositoryException {
if (name == null) {
throw new UserRepositoryException(\”name is null\”);
}
if (jdbcUsername == null) {
throw new UserRepositoryException(\”jdbcUsername is null\”);
}
if (jdbcPassword == null) {
throw new UserRepositoryException(\”jdbcPassword is null\”);
}
if (name.isEmpty()) {
throw new UserRepositoryException(\”name is empty\”);
}
if (name.equals(\”Spring Security\”)) {
return new UserRepositoryFactory();
} else {
throw new UserRepositoryException(\”name is notSpring Security\”);
}
}

@Override
public UserDetailsDetails createUserDetails(String name, String jdbcUsername, String jdbcPassword, Map attributes) throws UserDetailsException {
if (name == null) {
throw new UserDetailsException(\”name is null\”);
}
if (jdbcUsername == null) {
throw new UserDetailsException(\”jdbcUsername is null\”);
}
if (jdbcPassword == null) {
throw new UserDetailsException(\”jdbcPassword is null\”);
}