feat(payment): 初始化支付模块核心代码
- 添加支付常量类PaymentConstants，定义支付状态、微信、支付宝、银联等相关常量 - 创建微信支付类型常量类WechatPayType，支持JSAPI、NATIVE、H5、APP支付方式 - 新增支付控制器PaymentController，提供创建支付、查询状态、退款等统一接口 - 实现支付回调控制器PaymentNotifyController，处理微信、支付宝、银联异步通知 - 添加支付请求数据传输对象PaymentRequest，支持多种支付方式参数校验 - 定义支付响应、状态更新请求等相关DTO类- 集成Swagger注解，完善接口文档说明- 添加参数校验和异常处理机制，确保支付流程安全可靠
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153
java/payment/exception/PaymentExceptionHandler.java
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153
java/payment/exception/PaymentExceptionHandler.java
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package com.gxwebsoft.payment.exception;
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import com.gxwebsoft.common.core.web.ApiResult;
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import com.gxwebsoft.common.core.web.BaseController;
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import com.gxwebsoft.payment.constants.PaymentConstants;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.http.HttpStatus;
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import org.springframework.validation.BindException;
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import org.springframework.validation.FieldError;
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import org.springframework.web.bind.MethodArgumentNotValidException;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.ResponseStatus;
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import org.springframework.web.bind.annotation.RestControllerAdvice;
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import javax.validation.ConstraintViolation;
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import javax.validation.ConstraintViolationException;
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import java.util.List;
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import java.util.Set;
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import java.util.stream.Collectors;
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/**
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* 统一支付异常处理器
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* 处理所有支付相关的异常和参数验证异常
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*
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* @author 科技小王子
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* @since 2025-01-26
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*/
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@Slf4j
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@RestControllerAdvice(basePackages = {"com.gxwebsoft.payment.controller", "com.gxwebsoft.shop.controller"})
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public class PaymentExceptionHandler extends BaseController {
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/**
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* 处理支付业务异常
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*/
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@ExceptionHandler(PaymentException.class)
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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public ApiResult<?> handlePaymentException(PaymentException e) {
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log.warn("支付业务异常: {}", e.getMessage());
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// 记录详细的异常信息
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if (e.getTenantId() != null) {
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log.warn("异常租户ID: {}", e.getTenantId());
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}
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if (e.getPaymentType() != null) {
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log.warn("异常支付类型: {}", e.getPaymentType());
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}
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if (e.getOrderNo() != null) {
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log.warn("异常订单号: {}", e.getOrderNo());
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}
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if (e.getErrorCode() != null) {
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log.warn("错误代码: {}", e.getErrorCode());
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}
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return fail(e.getMessage());
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}
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/**
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* 处理参数验证异常（@Valid注解）
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*/
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@ExceptionHandler(MethodArgumentNotValidException.class)
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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public ApiResult<?> handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
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List<FieldError> fieldErrors = e.getBindingResult().getFieldErrors();
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String errorMessage = fieldErrors.stream()
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.map(error -> error.getField() + ": " + error.getDefaultMessage())
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.collect(Collectors.joining("; "));
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log.warn("参数验证失败: {}", errorMessage);
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return fail(PaymentConstants.ErrorMessage.PARAM_ERROR + ": " + errorMessage);
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}
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/**
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* 处理绑定异常
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*/
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@ExceptionHandler(BindException.class)
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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public ApiResult<?> handleBindException(BindException e) {
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List<FieldError> fieldErrors = e.getBindingResult().getFieldErrors();
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String errorMessage = fieldErrors.stream()
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.map(error -> error.getField() + ": " + error.getDefaultMessage())
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.collect(Collectors.joining("; "));
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log.warn("数据绑定失败: {}", errorMessage);
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return fail(PaymentConstants.ErrorMessage.PARAM_ERROR + ": " + errorMessage);
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}
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/**
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* 处理约束违反异常（@Validated注解）
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*/
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@ExceptionHandler(ConstraintViolationException.class)
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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public ApiResult<?> handleConstraintViolationException(ConstraintViolationException e) {
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Set<ConstraintViolation<?>> violations = e.getConstraintViolations();
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String errorMessage = violations.stream()
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.map(violation -> violation.getPropertyPath() + ": " + violation.getMessage())
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.collect(Collectors.joining("; "));
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log.warn("约束验证失败: {}", errorMessage);
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return fail(PaymentConstants.ErrorMessage.PARAM_ERROR + ": " + errorMessage);
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}
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/**
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* 处理非法参数异常
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*/
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@ExceptionHandler(IllegalArgumentException.class)
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@ResponseStatus(HttpStatus.BAD_REQUEST)
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public ApiResult<?> handleIllegalArgumentException(IllegalArgumentException e) {
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log.warn("非法参数异常: {}", e.getMessage());
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return fail(PaymentConstants.ErrorMessage.PARAM_ERROR + ": " + e.getMessage());
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}
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/**
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* 处理空指针异常
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*/
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@ExceptionHandler(NullPointerException.class)
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@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
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public ApiResult<?> handleNullPointerException(NullPointerException e) {
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log.error("空指针异常", e);
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return fail(PaymentConstants.ErrorMessage.SYSTEM_ERROR);
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}
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/**
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* 处理其他运行时异常
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*/
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@ExceptionHandler(RuntimeException.class)
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@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
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public ApiResult<?> handleRuntimeException(RuntimeException e) {
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log.error("运行时异常: {}", e.getMessage(), e);
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return fail(PaymentConstants.ErrorMessage.SYSTEM_ERROR);
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}
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/**
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* 处理其他异常
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*/
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@ExceptionHandler(Exception.class)
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@ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
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public ApiResult<?> handleException(Exception e) {
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log.error("未知异常: {}", e.getMessage(), e);
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return fail(PaymentConstants.ErrorMessage.SYSTEM_ERROR);
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}
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}
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