Json内容比对工具类

缺乏、安全感 2022-04-22 04:24 488阅读 0赞

package com.util;
    
    import java.util.Iterator;
    
    import net.sf.json.JSONArray;
    import net.sf.json.JSONObject;
    
    /**
     * json数据比对工具类
     */
    public class JsonUtil {
    
    	@SuppressWarnings("unchecked")
    	public static String compareJson(JSONObject json1, JSONObject json2, String key) {
    		StringBuffer sBuffer = new StringBuffer();
    		String jsonString = "";
    		Iterator<String> i = json1.keySet().iterator();
    		while (i.hasNext()) {
    			key = i.next();
    			jsonString = compareJson(json1.get(key), json2.get(key), key);
    			sBuffer.append(jsonString);
    		}
    		return sBuffer.toString();
    	}
    
    	public static String compareJson(Object json1, Object json2, String key) {
    		String jsonString = "";
    		if (json1 instanceof JSONObject) {
    			jsonString = compareJson((JSONObject) json1, (JSONObject) json2, key);
    		} else if (json1 instanceof JSONArray) {
    			jsonString = compareJson((JSONArray) json1, (JSONArray) json2, key);
    		} else if (json1 instanceof String) {
    			try {
    				String json1ToStr = json1.toString();
    				String json2ToStr = json2.toString();
    				jsonString = compareJson(json1ToStr, json2ToStr, key);
    			} catch (Exception e) {
    				System.out.println("转换发生异常 key:" + key);
    				e.printStackTrace();
    			}
    		} else {
    			jsonString = compareJson(json1.toString(), json2.toString(), key);
    		}
    		return jsonString;
    	}
    
    	public static String compareJson(String str1, String str2, String key) {
    		StringBuffer sBuffer = new StringBuffer();
    		if (!str1.equals(str2)) {
    			sBuffer.append("不一致key【" + key + "】,json1:【" + str1 + "】,json2:【" + str2 +"】\n");
    //			System.err.println("不一致key:" + key + ",json1:" + str1 + ",json2:" + str2);
    		}
    		return sBuffer.toString();
    	}
    
    	@SuppressWarnings("rawtypes")
    	public static String compareJson(JSONArray json1, JSONArray json2, String key) {
    		StringBuffer sBuffer = new StringBuffer();
    		if (json1 != null && json2 != null) {
    			Iterator i1 = json1.iterator();
    			Iterator i2 = json2.iterator();
    			while (i1.hasNext()) {
    				compareJson(i1.next(), i2.next(), key);
    			}
    		} else {
    			if (json1 == null && json2 == null) {
    				sBuffer.append("不一致：key:" + key + "  在json1和json2中均不存在 \n");
    //				System.err.println("不一致：key:" + key + "  在json1和json2中均不存在");
    			} else if (json1 == null) {
    				sBuffer.append("不一致：key:" + key + "  在json1中不存在 \n");
    //				System.err.println("不一致：key:" + key + "  在json1中不存在");
    			} else if (json2 == null) {
    				sBuffer.append("不一致：key:" + key + "  在json2中不存在");
    //				System.err.println("不一致：key:" + key + "  在json2中不存在");
    			} else {
    				sBuffer.append("不一致：key:" + key + "  未知原因");
    //				System.err.println("不一致：key:" + key + "  未知原因");
    			}
    		}
    		return sBuffer.toString();
    	}
    
    	private final static String st1 = "{\"username\":\"tom\",\"age\":18}";
    	private final static String st2 = "{\"username\":\"tom\",\"age\":19}";
    
    	public static void main(String[] args) {
    		JSONObject jsonObject1 = JSONObject.fromObject(st1);
    		JSONObject jsonObject2 = JSONObject.fromObject(st2);
    		compareJson(jsonObject1, jsonObject2, null);
    	}
    }

参考原文：  
[https://blog.csdn.net/wangjin890620/article/details/81011461][https_blog.csdn.net_wangjin890620_article_details_81011461]

[https_blog.csdn.net_wangjin890620_article_details_81011461]: https://blog.csdn.net/wangjin890620/article/details/81011461