Spring Boot HTTP over JSON 的错误码异常处理

springboot-validation-over-json/src/main/java/org/spring/springboot/Application.java

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+package org.spring.springboot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * Spring Boot 应用启动类
+ *
+ * Created by bysocket on 16/4/26.
+ */
+// Spring Boot 应用的标识
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        // 程序启动入口
+        // 启动嵌入式的 Tomcat 并初始化 Spring 环境及其各 Spring 组件
+        SpringApplication.run(Application.class,args);
+    }
+}

springboot-validation-over-json/src/main/java/org/spring/springboot/constant/CityErrorInfoEnum.java

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+package org.spring.springboot.constant;
+
+import org.spring.springboot.result.base.ErrorInfoInterface;
+
+/**
+ * Created by bysocket on 14/03/2017.
+ */
+public enum CityErrorInfoEnum implements ErrorInfoInterface {
+    PARAMS_NO_COMPLETE("000001","params no complete"),
+    CITY_EXIT("000002","city exit");
+
+    private String code;
+
+    private String message;
+
+    CityErrorInfoEnum(String code, String message) {
+        this.code = code;
+        this.message = message;
+    }
+
+    public String getCode(){
+        return this.code;
+    }
+
+    public String getMessage(){
+        return this.message;
+    }
+}

springboot-validation-over-json/src/main/java/org/spring/springboot/result/GlobalErrorInfoException.java

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+package org.spring.springboot.result;
+
+import org.spring.springboot.result.base.ErrorInfoInterface;
+
+/**
+ * Created by bysocket on 14/03/2017.
+ */
+public class GlobalErrorInfoException extends Exception {
+
+    private ErrorInfoInterface errorInfo;
+
+    public GlobalErrorInfoException (ErrorInfoInterface errorInfo) {
+        this.errorInfo = errorInfo;
+    }
+
+    public ErrorInfoInterface getErrorInfo() {
+        return errorInfo;
+    }
+
+    public void setErrorInfo(ErrorInfoInterface errorInfo) {
+        this.errorInfo = errorInfo;
+    }
+}

springboot-validation-over-json/src/main/java/org/spring/springboot/result/GlobalErrorInfoHandler.java

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+package org.spring.springboot.result;
+
+import org.spring.springboot.result.base.ErrorInfoInterface;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * Created by bysocket on 14/03/2017.
+ */
+@RestControllerAdvice
+public class GlobalErrorInfoHandler {
+
+    @ExceptionHandler(value = GlobalErrorInfoException.class)
+    public ResultBody errorHandlerOverJson(HttpServletRequest request,
+                                           GlobalErrorInfoException exception) {
+        ErrorInfoInterface errorInfo = exception.getErrorInfo();
+        ResultBody result = new ResultBody(errorInfo);
+        return result;
+    }
+}

springboot-validation-over-json/src/main/java/org/spring/springboot/result/ResultBody.java

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+package org.spring.springboot.result;
+
+import org.spring.springboot.result.base.ErrorInfoInterface;
+
+/**
+ * Created by bysocket on 14/03/2017.
+ */
+public class ResultBody<T> {
+    /**
+     * 响应代码
+     */
+    private String code;
+
+    /**
+     * 响应消息
+     */
+    private String message;
+
+    /**
+     * 响应结果
+     */
+    private T result;
+
+    public ResultBody(ErrorInfoInterface errorInfo) {
+        this.code = errorInfo.getCode();
+        this.message = errorInfo.getMessage();
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+    public void setCode(String code) {
+        this.code = code;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public T getResult() {
+        return result;
+    }
+
+    public void setResult(T result) {
+        this.result = result;
+    }
+}

springboot-validation-over-json/src/main/java/org/spring/springboot/result/base/ErrorInfoInterface.java

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+package org.spring.springboot.result.base;
+
+/**
+ * 错误码接口
+ *
+ * Created by bysocket on 13/03/2017.
+ */
+public interface ErrorInfoInterface {
+    String getCode();
+    String getMessage();
+}

springboot-validation-over-json/src/main/java/org/spring/springboot/web/ErrorJsonController.java

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+package org.spring.springboot.web;
+
+import org.spring.springboot.constant.CityErrorInfoEnum;
+import org.spring.springboot.result.GlobalErrorInfoException;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ *
+ * Created by bysocket on 16/4/26.
+ */
+@RestController
+public class ErrorJsonController {
+
+    @RequestMapping("/param")
+    public String errorJsonParams() throws GlobalErrorInfoException {
+        throw new GlobalErrorInfoException(CityErrorInfoEnum.PARAMS_NO_COMPLETE);
+    }
+}