两个json对比差异，并输出差异结果

package com.cwq.demo02;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

/** 
 * @author Carpoor  
 * @date 2021年5月19日 
 */
public class JsonUtil {
   
	
	public static Set<String> set = new HashSet<>();
	
	static {
   
		set.add("String");
		set.add("Integer");
		set.add("Double");
	}
	
	public static <T>T str2Obj(String json, Class<T> clazz) {
   
		Gson gson = new GsonBuilder()
				.disableHtmlEscaping()
				.serializeNulls()
				.create();
		return gson.fromJson(json, clazz);
	}
	
	public static String obj2Str(Object obj) {
   
		Gson gson = new GsonBuilder()
				.disableHtmlEscaping()
				.serializeNulls()
				.create();
		return gson.toJson(obj);
	}
	
	public static Map jsonCompare(String currentJson, String expectJson) {
   
		Map<String, String> result = new HashMap<>();
		Map<String, Object> curr = str2Obj(currentJson, Map.class);
		Map<String, Object> exp = str2Obj(expectJson, Map.class);
		
		mapProc(curr, exp, result, "");
		
		return result;
	}
	
	public static void mapProc(Map<String, Object> curr, Map<String, Object> exp, Map<String, String> result, String keyStr) {
   
		
		if (curr.size() != exp.size()) {
   
			result.put(keyStr == "" ? "首层":keyStr, String.format("key=[%s]Map字段个数不一致，期望为[%s],但当前为[%s]", keyStr == "" ? "首层":keyStr, exp.size(), curr.size()));
		}
		
		for (String currKey : curr.keySet()) {
   
			String keyStrCopy = keyStr + "."+ currKey;
			if (keyStrCopy.indexOf(".") == 0) {
   
				keyStrCopy = keyStrCopy.substring(1)
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