VSResponseHandlerConfig fix

template/insiis-web/src/main/java/com/vs/VSResponseHandlerConfig.java

@@ -1,20 +1,42 @@
 package com.vs;
 
 import com.vs.common.util.rpc.handler.CustomArgumentResolver;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.web.method.annotation.MapMethodProcessor;
 import org.springframework.web.method.support.HandlerMethodArgumentResolver;
 import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
 import org.springframework.web.servlet.HandlerExceptionResolver;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter;
+import org.springframework.web.servlet.mvc.method.annotation.ViewNameMethodReturnValueHandler;
 
+import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.List;
 
 @Configuration
 public class VSResponseHandlerConfig implements WebMvcConfigurer {
 
-    @Value("${com.toco.response.handler:true}")
+    private boolean useHandler = true;
-    private boolean useHandler;
+    RequestMappingHandlerAdapter requestMappingHandlerAdapter;
+
+    void init() {
+        List<HandlerMethodReturnValueHandler> returnValueHandlers = this.requestMappingHandlerAdapter.getReturnValueHandlers();
+        Iterator<HandlerMethodReturnValueHandler> iterator = returnValueHandlers.iterator();
+        List<HandlerMethodReturnValueHandler> newProcessors = new ArrayList<>();
+        while (iterator.hasNext()) {
+            HandlerMethodReturnValueHandler next = iterator.next();
+            //在controller中直接返回map，不被默认的MapMethodProcessor拦截
+            if (next instanceof MapMethodProcessor ||
+                    //在controller中直接返回String，不被默认的ViewNameMethodReturnValueHandler拦截
+                    next instanceof ViewNameMethodReturnValueHandler) {
+                continue;
+            } else {
+                newProcessors.add(next);
+            }
+        }
+        this.requestMappingHandlerAdapter.setReturnValueHandlers(newProcessors);
+    }
 
     @Override
     public void addArgumentResolvers(List<HandlerMethodArgumentResolver> resolvers) {