first commit.

plusone-basic/plusone-basic-application/src/main/java/xyz/zhouxy/plusone/exception/config/PlusoneExceptionHandlerConfig.java

@@ -0,0 +1,17 @@
+package xyz.zhouxy.plusone.exception.config;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import xyz.zhouxy.plusone.exception.handler.BaseExceptionHandler.ExceptionInfoHolder;
+
+@Configuration
+public class PlusoneExceptionHandlerConfig {
+
+    @Bean
+    @ConditionalOnMissingBean
+    ExceptionInfoHolder exceptionInfoHolder() {
+        return new ExceptionInfoHolder();
+    }
+}

plusone-basic/plusone-basic-application/src/main/java/xyz/zhouxy/plusone/exception/handler/AllExceptionHandler.java

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+package xyz.zhouxy.plusone.exception.handler;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import lombok.extern.slf4j.Slf4j;
+import xyz.zhouxy.plusone.util.RestfulResult;
+
+/**
+ * 处理所有异常的处理器
+ *
+ * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
+ */
+@ConditionalOnProperty(prefix = "plusone.exception", name = "handle-all-exception", havingValue = "true")
+@RestControllerAdvice
+@Slf4j
+public class AllExceptionHandler extends BaseExceptionHandler {
+    protected AllExceptionHandler(ExceptionInfoHolder exceptionInfoHolder) {
+        super(exceptionInfoHolder);
+    }
+
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<RestfulResult> handleException(Throwable e) {
+        log.error(e.getMessage(), e);
+        return this.buildExceptionResponse(e);
+    }
+}

plusone-basic/plusone-basic-application/src/main/java/xyz/zhouxy/plusone/exception/handler/DefaultExceptionHandler.java

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+package xyz.zhouxy.plusone.exception.handler;
+
+import org.springframework.context.support.DefaultMessageSourceResolvable;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+import org.springframework.dao.DataAccessException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import lombok.extern.slf4j.Slf4j;
+import xyz.zhouxy.plusone.util.RestfulResult;
+
+/**
+ * 默认异常的处理器
+ *
+ * <p>
+ * 对 {@link IllegalArgumentException} 异常做了写默认处理。
+ * </p>
+ *
+ * <p>
+ * 将异常信息返回给前端时，隐藏掉数据库异常信息中关于数据库结构、SQL 语句的描述。
+ * </p>
+ *
+ * <p>
+ * 为了避免因为 {@link AllExceptionHandler} 而失效，
+ * {@code Order} 设置为了 {@value Ordered.LOWEST_PRECEDENCE - 1}。
+ * 一般 Spring Bean 的 Order 应该是 Ordered.LOWEST_PRECEDENCE，
+ * 所以如果想让自定义的异常处理器与本处理器有冲突，希望覆盖本处理器的行为，
+ * 需要添加 {@link Order} 注解，将 order 修改为比 {@code Ordered.LOWEST_PRECEDENCE - 1}
+ * 更小的值，
+ * 如 0 或者 1，甚至是负数。
+ * </p>
+ *
+ * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
+ */
+@RestControllerAdvice
+@Order(Ordered.LOWEST_PRECEDENCE - 1)
+@Slf4j
+public class DefaultExceptionHandler extends BaseExceptionHandler {
+
+    public DefaultExceptionHandler(ExceptionInfoHolder exceptionInfoHolder) {
+        super(exceptionInfoHolder);
+        set(IllegalArgumentException.class, 4010000, "格式错误", HttpStatus.FORBIDDEN);
+        set(DataAccessException.class, 6030000, "数据库错误", HttpStatus.INTERNAL_SERVER_ERROR, true);
+        set(MethodArgumentNotValidException.class,
+                4040401,
+                e -> ((MethodArgumentNotValidException) e).getAllErrors()
+                        .stream()
+                        .map(DefaultMessageSourceResolvable::getDefaultMessage)
+                        .toList()
+                        .toString(),
+                HttpStatus.BAD_REQUEST);
+    }
+
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<RestfulResult> handleException(Exception e) {
+        log.error(e.getMessage(), e);
+        return buildExceptionResponse(e);
+    }
+}