feat(core): 初始化支付系统核心配置与启动模块

- 添加Druid主从数据源配置属性类
- 创建支付系统主启动类MtkjpayApplication
- 配置mt-startup模块pom.xml引入必要依赖
- 添加RestClient配置类用于HTTP请求
- 创建统一响应结果类Result及响应码枚举
- 实现美观的系统启动成功/失败日志输出
- 配置Lombok注解处理器支持

mt-pay/src/main/java/com/mtkj/mtpay/common/Result.java

@@ -0,0 +1,106 @@
+package com.mtkj.mtpay.common;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 统一响应结果类
+ */
+@Data
+public class Result<T> implements Serializable {
+    
+    private static final long serialVersionUID = 1L;
+    
+    /**
+     * 响应码
+     */
+    private String code;
+    
+    /**
+     * 响应消息
+     */
+    private String message;
+    
+    /**
+     * 响应数据
+     */
+    private T data;
+    
+    /**
+     * 时间戳
+     */
+    private Long timestamp;
+    
+    public Result() {
+        this.timestamp = System.currentTimeMillis();
+    }
+    
+    public Result(String code, String message) {
+        this();
+        this.code = code;
+        this.message = message;
+    }
+    
+    public Result(String code, String message, T data) {
+        this(code, message);
+        this.data = data;
+    }
+    
+    /**
+     * 成功响应
+     */
+    public static <T> Result<T> success() {
+        return new Result<>(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMessage());
+    }
+    
+    /**
+     * 成功响应（带数据）
+     */
+    public static <T> Result<T> success(T data) {
+        return new Result<>(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMessage(), data);
+    }
+    
+    /**
+     * 成功响应（自定义消息）
+     */
+    public static <T> Result<T> success(String message) {
+        return new Result<>(ResultCode.SUCCESS.getCode(), message);
+    }
+    
+    /**
+     * 成功响应（自定义消息和数据）
+     */
+    public static <T> Result<T> success(String message, T data) {
+        return new Result<>(ResultCode.SUCCESS.getCode(), message, data);
+    }
+    
+    /**
+     * 失败响应
+     */
+    public static <T> Result<T> fail() {
+        return new Result<>(ResultCode.FAIL.getCode(), ResultCode.FAIL.getMessage());
+    }
+    
+    /**
+     * 失败响应（自定义消息）
+     */
+    public static <T> Result<T> fail(String message) {
+        return new Result<>(ResultCode.FAIL.getCode(), message);
+    }
+    
+    /**
+     * 失败响应（自定义码和消息）
+     */
+    public static <T> Result<T> fail(String code, String message) {
+        return new Result<>(code, message);
+    }
+    
+    /**
+     * 失败响应（使用ResultCode）
+     */
+    public static <T> Result<T> fail(ResultCode resultCode) {
+        return new Result<>(resultCode.getCode(), resultCode.getMessage());
+    }
+}
+

mt-pay/src/main/java/com/mtkj/mtpay/config/DruidMasterProperties.java

@@ -0,0 +1,29 @@
+package com.mtkj.mtpay.config;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+/**
+ * Druid主数据源配置属性
+ */
+@Data
+@ConfigurationProperties(prefix = "spring.datasource.druid.master")
+public class DruidMasterProperties {
+    private String url;
+    private String username;
+    private String password;
+    private Integer initialSize;
+    private Integer minIdle;
+    private Integer maxActive;
+    private Long maxWait;
+    private Integer connectTimeout;
+    private Integer socketTimeout;
+    private Long timeBetweenEvictionRunsMillis;
+    private Long minEvictableIdleTimeMillis;
+    private Long maxEvictableIdleTimeMillis;
+    private String validationQuery;
+    private Boolean testWhileIdle;
+    private Boolean testOnBorrow;
+    private Boolean testOnReturn;
+}
+

mt-pay/src/main/java/com/mtkj/mtpay/config/DruidSlaveProperties.java

@@ -0,0 +1,29 @@
+package com.mtkj.mtpay.config;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+/**
+ * Druid从数据源配置属性
+ */
+@Data
+@ConfigurationProperties(prefix = "spring.datasource.druid.slave")
+public class DruidSlaveProperties {
+    private String url;
+    private String username;
+    private String password;
+    private Integer initialSize;
+    private Integer minIdle;
+    private Integer maxActive;
+    private Long maxWait;
+    private Integer connectTimeout;
+    private Integer socketTimeout;
+    private Long timeBetweenEvictionRunsMillis;
+    private Long minEvictableIdleTimeMillis;
+    private Long maxEvictableIdleTimeMillis;
+    private String validationQuery;
+    private Boolean testWhileIdle;
+    private Boolean testOnBorrow;
+    private Boolean testOnReturn;
+}
+

mt-pay/src/main/java/com/mtkj/mtpay/config/RestClientConfig.java

@@ -0,0 +1,32 @@
+package com.mtkj.mtpay.config;
+
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.web.client.RestClient;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+/**
+ * RestClient配置
+ */
+@Slf4j
+@Configuration
+public class RestClientConfig {
+    
+    @Bean
+    public RestClient restClient(ObjectMapper objectMapper) {
+        log.info("初始化RestClient，配置JSON消息转换器");
+        RestClient restClient = RestClient.builder()
+            .messageConverters(converters -> {
+                MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
+                converter.setObjectMapper(objectMapper);
+                converters.add(converter);
+            })
+            .build();
+        log.info("RestClient配置完成");
+        return restClient;
+    }
+}
+

mt-startup/pom.xml

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.mtkj</groupId>
+        <artifactId>MTKJPAY</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>mt-startup</artifactId>
+    <packaging>jar</packaging>
+    <name>mt-startup</name>
+    <description>MTKJ PAY 启动模块</description>
+    
+    <properties>
+        <java.version>17</java.version>
+        <lombok.version>1.18.30</lombok.version>
+    </properties>
+    
+    <dependencies>
+        <!-- 引入 mt-pay 模块 -->
+        <dependency>
+            <groupId>com.mtkj</groupId>
+            <artifactId>mt-pay</artifactId>
+            <version>0.0.1-SNAPSHOT</version>
+        </dependency>
+        
+        <!-- Spring Boot Web -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        
+        <!-- Spring Boot DevTools -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+        
+        <!-- Lombok -->
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>${lombok.version}</version>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                            <version>${lombok.version}</version>
+                        </path>
+                    </annotationProcessorPaths>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <excludes>
+                        <exclude>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                        </exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
+

mt-startup/src/main/java/com/mtkj/mtkjpay/MtkjpayApplication.java

@@ -0,0 +1,99 @@
+package com.mtkj.mtkjpay;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.core.env.Environment;
+
+/**
+ * MTKJ PAY 支付系统启动类
+ * 这是项目的唯一启动入口
+ */
+@Slf4j
+@SpringBootApplication(
+    scanBasePackages = {"com.mtkj.mtpay", "com.mtkj.mtkjpay"},
+    exclude = {
+        com.alibaba.druid.spring.boot3.autoconfigure.DruidDataSourceAutoConfigure.class
+    }
+)
+public class MtkjpayApplication {
+
+    public static void main(String[] args) {
+        try {
+            log.info("""
+                    
+                    ╔══════════════════════════════════════════════════════════╗
+                    ║                                                          ║
+                    ║            MTKJ PAY 支付系统正在启动...                  ║
+                    ║                                                          ║
+                    ╚══════════════════════════════════════════════════════════╝
+                    """);
+            
+            SpringApplication app = new SpringApplication(MtkjpayApplication.class);
+            Environment env = app.run(args).getEnvironment();
+            
+            String applicationName = env.getProperty("spring.application.name", "MTKJPAY");
+            String serverPort = env.getProperty("server.port", "8082");
+            String contextPath = env.getProperty("server.servlet.context-path", "");
+            String activeProfiles = String.join(",", env.getActiveProfiles());
+            
+            // 构建完整的访问地址
+            String baseUrl = "http://localhost:" + serverPort + contextPath;
+            String apiUrl = baseUrl + "/api";
+            String druidUrl = baseUrl + "/druid";
+            
+            // 打印醒目的启动成功标识
+            log.info("""
+                    
+                    ╔══════════════════════════════════════════════════════════╗
+                    ║                                                          ║
+                    ║          ✅  MTKJ PAY 支付系统启动成功！  ✅             ║
+                    ║                                                          ║
+                    ╠══════════════════════════════════════════════════════════╣
+                    ║  应用信息                                                  ║
+                    ╠══════════════════════════════════════════════════════════╣
+                    ║  应用名称: {:<45} ║
+                    ║  运行环境: {:<45} ║
+                    ║  服务端口: {:<45} ║
+                    ╠══════════════════════════════════════════════════════════╣
+                    ║  访问地址                                                  ║
+                    ╠══════════════════════════════════════════════════════════╣
+                    ║  后端服务: {:<45} ║
+                    ║  API接口:  {:<45} ║
+                    ║  Druid监控: {:<45} ║
+                    ╠══════════════════════════════════════════════════════════╣
+                    ║  状态: 🟢 服务运行中，可以接收请求                      ║
+                    ╚══════════════════════════════════════════════════════════╝
+                    """, 
+                    applicationName,
+                    activeProfiles.isEmpty() ? "default" : activeProfiles,
+                    serverPort,
+                    baseUrl,
+                    apiUrl,
+                    druidUrl);
+            
+            // 额外提示信息
+            log.info("""
+                    
+                    📌 提示：
+                       - 前端代理地址: http://localhost:3000
+                       - 后端API地址: {}
+                       - 图片上传接口: {}/product/upload/image
+                       - 商品管理接口: {}/product
+                    """, apiUrl, apiUrl, apiUrl);
+            
+        } catch (Exception e) {
+            log.error("""
+                    
+                    ╔══════════════════════════════════════════════════════════╗
+                    ║                                                          ║
+                    ║          ❌  MTKJ PAY 支付系统启动失败！  ❌             ║
+                    ║                                                          ║
+                    ╚══════════════════════════════════════════════════════════╝
+                    """, e);
+            throw e;
+        }
+    }
+
+}
+