package com.nova.sankuai.domain.api.yinsheng;
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import com.alibaba.fastjson.JSONObject;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang.StringUtils;
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import java.lang.reflect.Field;
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import java.util.*;
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@Slf4j
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public class CommonUtil {
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/**
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* map 转成 string
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*
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* @param map
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* @return
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*/
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public static String mapToString(Map<String, String> map) {
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SortedMap<String, String> sortedMap = new TreeMap<>(map);
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StringBuilder sb = new StringBuilder();
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for (Map.Entry<String, String> entry : sortedMap.entrySet()) {
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if (StringUtils.isBlank(entry.getValue())) {
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continue;
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}
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sb.append(entry.getKey()).append('=').append(entry.getValue()).append('&');
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}
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sb.deleteCharAt(sb.length() - 1);
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return sb.length() == 0 ? "" : sb.toString();
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}
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/**
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* 除去数组中的空值和签名参数
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*
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* @param sArray 签名参数组
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* @return 去掉空值与签名参数后的新签名参数组
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*/
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public static Map<String, String> paraFilter(Map<String, String> sArray) {
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Map<String, String> result = new HashMap<>();
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if (sArray == null || sArray.size() <= 0) {
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return result;
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}
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for (String key : sArray.keySet()) {
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String value = sArray.get(key);
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if (value == null || StringUtils.isEmpty(value) || key.equalsIgnoreCase("sign")) {
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continue;
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}
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result.put(key, value);
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}
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return result;
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}
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/**
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* 遍历以及根据重新排序
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*
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* @param sortedParams
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* @return
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*/
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public static String getSignContent(Map<String, String> sortedParams) {
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StringBuffer content = new StringBuffer();
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List<String> keys = new ArrayList<>(sortedParams.keySet());
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Collections.sort(keys);
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log.info("排序结果：" + keys.toString());
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int index = 0;
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for (String key : keys) {
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String value = sortedParams.get(key);
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if (StringUtil.areNotEmpty(key, value)) {
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content.append((index == 0 ? "" : "&") + key + "=" + value);
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index++;
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}
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}
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return content.toString();
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}
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public static Map<String, String> objToMap(Object obj) {
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Map<String, String> map = new HashMap<>();
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Class<?> clazz = obj.getClass();
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System.out.println(clazz);
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for (Field field : clazz.getDeclaredFields()) {
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field.setAccessible(true);
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String fieldName = field.getName();
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try {
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Object value = field.get(obj);
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if (value == null) {
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} else if (value instanceof String) {
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String valueStr = (String) value;
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if (StringUtil.isBlank(valueStr)) {
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continue;
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}
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map.put(fieldName, valueStr);
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} else {
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JSONObject jsonObject = (JSONObject) JSONObject.toJSON(value);
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Iterator<String> iterator = jsonObject.keySet().iterator();
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while (iterator.hasNext()) {
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String keyStr = iterator.next().toString();
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if (StringUtil.isBlank(jsonObject.getString(keyStr))) {
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iterator.remove();
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}
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}
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if (jsonObject.isEmpty()) {
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continue;
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}
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map.put(fieldName, jsonObject.toString());
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}
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} catch (Exception e) {
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log.info("对象转map异常：" + e.getMessage());
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}
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}
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return map;
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}
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public static Map<String, String> SFFClassCToMap(Class<?> clazz) {
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Map<String, String> map = new HashMap<>();
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System.out.println(clazz);
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for (Field field : clazz.getDeclaredFields()) {
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field.setAccessible(true);
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String fieldName = field.getName();
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try {
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Object value = field.get(null);
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if (value == null) {
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} else if (value instanceof String) {
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String valueStr = (String) value;
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if (StringUtil.isBlank(valueStr)) {
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continue;
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}
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map.put(fieldName, valueStr);
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} else {
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JSONObject jsonObject = (JSONObject) JSONObject.toJSON(value);
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Iterator<String> iterator = jsonObject.keySet().iterator();
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while (iterator.hasNext()) {
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String keyStr = iterator.next().toString();
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if (StringUtil.isBlank(jsonObject.getString(keyStr))) {
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iterator.remove();
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}
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}
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if (jsonObject.isEmpty()) {
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continue;
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}
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map.put(fieldName, jsonObject.toString());
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}
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} catch (Exception e) {
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log.info("对象转map异常：" + e.getMessage());
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}
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}
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return map;
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}
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}
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