feat(scaffold): provide uniform return body handler

generators/app/templates/${artifactId}-provider/src/main/java/${basePath}/config/web/ReturnValueConfigurer.tmpl.java

@@ -0,0 +1,70 @@
+package ${basePackage}.config.web;
+
+import ${basePackage}.controller.Payload;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.MethodParameter;
+import org.springframework.core.annotation.AnnotationUtils;
+import org.springframework.web.context.request.NativeWebRequest;
+import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
+import org.springframework.web.method.support.ModelAndViewContainer;
+import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
+import org.springframework.web.servlet.mvc.method.annotation.RequestResponseBodyMethodProcessor;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@Configuration
+public class ReturnValueConfigurer implements InitializingBean {
+    @Autowired
+    private RequestMappingHandlerAdapter adapter;
+
+    @Override
+    public void afterPropertiesSet() {
+        List<HandlerMethodReturnValueHandler> handlers = new ArrayList<>(adapter.getReturnValueHandlers());
+        for (HandlerMethodReturnValueHandler item : handlers) {
+            int index = handlers.indexOf(item);
+            if (RequestResponseBodyMethodProcessor.class.isAssignableFrom(item.getClass())) {
+                handlers.add(index, new RequestResponseBodyMethodProcessorProxy((RequestResponseBodyMethodProcessor) item));
+                handlers.remove(item);
+                break;
+            }
+        }
+        adapter.setReturnValueHandlers(handlers);
+    }
+
+    private static class RequestResponseBodyMethodProcessorProxy implements HandlerMethodReturnValueHandler {
+        private RequestResponseBodyMethodProcessor delegate;
+
+        public RequestResponseBodyMethodProcessorProxy(RequestResponseBodyMethodProcessor delegate) {
+            this.delegate = delegate;
+        }
+
+        @Override
+        public boolean supportsReturnType(MethodParameter methodParameter) {
+            if (!delegate.supportsReturnType(methodParameter)) {
+                return false;
+            }
+
+            if (AnnotationUtils.findAnnotation(methodParameter.getMethod(), Payload.class) != null) {
+                return true;
+            } else {
+                Class<?> clazz = methodParameter.getContainingClass();
+                return AnnotationUtils.findAnnotation(clazz, Payload.class) != null;
+            }
+        }
+
+        @Override
+        public void handleReturnValue(Object o, MethodParameter methodParameter, ModelAndViewContainer modelAndViewContainer, NativeWebRequest nativeWebRequest) throws Exception {
+            Map<String, Object> result = new HashMap<>();
+            result.put("success", true);
+            result.put("code", "1");
+            result.put("payload", o);
+
+            delegate.handleReturnValue(result, methodParameter, modelAndViewContainer, nativeWebRequest);
+        }
+    }
+}

generators/app/templates/${artifactId}-provider/src/main/java/${basePath}/controller/Payload.tmpl.java

@@ -0,0 +1,9 @@
+package ${basePackage}.controller;
+
+import java.lang.annotation.*;
+
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface Payload {
+}

generators/app/templates/${artifactId}-provider/src/main/java/${basePath}/controller/if_demo.DemoController.tmpl.java

@@ -8,6 +8,7 @@
 
 @RestController
 @RequestMapping("demo")
+@Payload
 public class DemoController {
     @Autowired
     private DemoService service;

generators/app/templates/${artifactId}-provider/src/main/java/${basePath}/controller/if_demo_crud.CrudDemoController.tmpl.java

@@ -11,6 +11,7 @@
 
 @RestController
 @RequestMapping("demo/mybatis")
+@Payload
 public class CrudDemoController {
     @Autowired
     private CrudDemoService service;

generators/app/templates/${artifactId}-provider/src/main/java/${basePath}/controller/if_demo_openfeign.OpenFeignDemoController.tmpl.java

@@ -8,6 +8,7 @@
 
 @RestController
 @RequestMapping("demo/openfeign")
+@Payload
 public class OpenFeignDemoController {
     @Autowired
     private DemoFeignClient client;

generators/test/app/index.test.js

@@ -50,6 +50,8 @@ describe('generate app', () => {
       it('should exists java files', () => {
         assert.file('foo-service-provider/src/main/java/com/deepexi/foo/StartupApplication.java')
         assert.file('foo-service-provider/src/main/java/com/deepexi/foo/config/ApplicationConfiguration.java')
+        assert.file('foo-service-provider/src/main/java/com/deepexi/foo/config/web/ReturnValueConfigurer.java')
+        assert.file('foo-service-provider/src/main/java/com/deepexi/foo/controller/Payload.java')
         assert.file('foo-service-provider/pom.xml')
       })