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63 lines
2.1 KiB
63 lines
2.1 KiB
package com.bfd.utils;
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import java.util.Map;
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import lombok.extern.slf4j.Slf4j;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.alibaba.fastjson.JSONPath;
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import com.bfd.entity.Constants;
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/**
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* @author:jinming
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* @className:DataUtil
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* @version:1.0
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* @description: 获取dataValue的值
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* @Date:2023/11/1 9:54
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*/
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@Slf4j
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public class DataUtil {
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/**
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*
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* @param key 传入的key
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* @param dataMap 数据map
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* @return 根据传入的参数进行判断解析，返回正确的dataValue
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*/
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public static Object getValue(String key, Map dataMap) {
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try {
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//公式为空直接就返回
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if(key.equals(Constants.EMPTY)){
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return Constants.EMPTY;
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}
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Object dataValue;
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String isJson = "#json#";
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if (key.contains(isJson)) {
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//进行第一次拆分，获取#json#前面的部分
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String[] keySplit = key.split(isJson);
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String firstDataKey = keySplit[0];
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String[] firstDataKeySplit = firstDataKey.split(":");
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//取出前半部分对应的JSON数据并转换为JSONObject
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String dataJson = (String) dataMap.get(firstDataKeySplit[0]);
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JSONObject dataJsonObject = JSON.parseObject(dataJson);
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//根据key的后半部分取出对应JSONObject中的值
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String firstDataKeyJson = (String) JSONPath.eval(dataJsonObject, firstDataKeySplit[1]);
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String secDataKey = keySplit[1];
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JSONObject firstDataJsonObject = JSON.parseObject(firstDataKeyJson);
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dataValue = JSONPath.eval(firstDataJsonObject, secDataKey);
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return dataValue;
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}
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String[] keySplit = key.split(":");
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String jsonPath = keySplit[1];
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String dataJson = (String) dataMap.get(keySplit[0]);
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JSONObject dataJsonObject = JSON.parseObject(dataJson);
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dataValue = JSONPath.eval(dataJsonObject, jsonPath);
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return dataValue;
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} catch (Exception e) {
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// TODO: handle exception
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log.error("jsonpath公式取值异常，",e);
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return null;
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}
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}
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}
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