feat:解决Map的键无法从驼峰转为下划线的问题

Author: pedro

src/main/java/io/github/talelin/merak/common/exception/RestExceptionHandler.java

@@ -72,7 +72,7 @@ public UnifyResponseVO processException(ConstraintViolationException exception,
         exception.getConstraintViolations().forEach(constraintViolation -> {
             String template = constraintViolation.getMessageTemplate();
             String path = constraintViolation.getPropertyPath().toString();
-            msg.put(path, template);
+            msg.put(StrUtil.toUnderlineCase(path), template);
         });
         UnifyResponseVO unifyResponse = new UnifyResponseVO();
         unifyResponse.setRequest(getSimpleRequest(request));
@@ -166,9 +166,9 @@ public UnifyResponseVO processException(MethodArgumentNotValidException exceptio
         errors.forEach(error -> {
             if (error instanceof FieldError) {
                 FieldError fieldError = (FieldError) error;
-                msg.put(fieldError.getField(), fieldError.getDefaultMessage());
+                msg.put(StrUtil.toUnderlineCase(fieldError.getField()), fieldError.getDefaultMessage());
             } else {
-                msg.put(error.getObjectName(), error.getDefaultMessage());
+                msg.put(StrUtil.toUnderlineCase(error.getObjectName()), error.getDefaultMessage());
             }
         });
         UnifyResponseVO result = new UnifyResponseVO();

src/test/java/Jackson2Test.java

@@ -0,0 +1,33 @@
+import cn.hutool.core.util.StrUtil;
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Slf4j
+public class Jackson2Test {
+
+    @Test
+    public void testMap() throws JsonProcessingException {
+        ObjectMapper mapper = new ObjectMapper();
+        //mapper.setPropertyNamingStrategy(com.fasterxml.jackson.databind.PropertyNamingStrategy.SNAKE_CASE);
+        //mapper.configOverride(Map.Entry.class).setFormat(JsonFormat.Value.forShape(JsonFormat.Shape.OBJECT));
+        mapper.configOverride(Map.Entry.class).setFormat(JsonFormat.Value.forShape(JsonFormat.Shape.STRING));
+        Map<String, Object> res = new HashMap<>();
+        res.put("username", "pedro");
+        res.put("userAge", 24);
+        String s = mapper.writeValueAsString(res);
+        log.info(s);
+    }
+
+    @Test
+    public void testCamel() throws JsonProcessingException {
+        String str = "userAge";
+        String s = StrUtil.toUnderlineCase(str);
+        log.info(s);
+    }
+}