package com.yeshi.fanli.util.alipay;
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import org.apache.commons.lang3.ArrayUtils;
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import org.apache.commons.lang3.StringUtils;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.TreeMap;
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import javax.servlet.http.HttpServletRequest;
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public class AliPaySignUtil {
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/**
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* 连接Map键值对
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*
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* @param map
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* Map
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* @param prefix
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* 前缀
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* @param suffix
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* 后缀
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* @param separator
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* 连接符
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* @param ignoreEmptyValue
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* 忽略空值
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* @param ignoreKeys
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* 忽略Key
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* @return 字符串
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*/
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public static String joinKeyValue(Map<String, Object> map, String prefix, String suffix, String separator,
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boolean ignoreEmptyValue, String... ignoreKeys) {
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List<String> list = new ArrayList<String>();
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if (map != null) {
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for (Map.Entry<String, Object> entry : map.entrySet()) {
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String key = entry.getKey();
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String value = String.valueOf(entry.getValue());
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if (StringUtils.isNotEmpty(key) && !ArrayUtils.contains(ignoreKeys, key)
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&& (!ignoreEmptyValue || StringUtils.isNotEmpty(value))) {
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list.add(key + "=" + (value != null ? value : ""));
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}
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}
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}
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return (prefix != null ? prefix : "") + StringUtils.join(list, separator) + (suffix != null ? suffix : "");
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}
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/**
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* 把request请求参数转换为Map<String,String>
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* @param request 该请求
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* @return Map<String,String>格式的参数
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*/
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public static Map<String,String> request2Map(HttpServletRequest request){
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Enumeration<String> names = request.getParameterNames();
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Map<String, String> resData = new HashMap<String, String>();
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while (names.hasMoreElements()) {
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String name = names.nextElement();
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resData.put(name, request.getParameter(name));
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}
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return resData;
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}
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/**
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* Bean转map
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* @param bean 要转的bean
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* @return 返回一个TreeMap
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*/
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public static TreeMap<String, String> bean2TreeMap(Object bean) {
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TreeMap<String, String> requestMap = new TreeMap<String, String>();
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Class<?> cls = bean.getClass();
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Field[] fields = cls.getDeclaredFields();
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try {
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for (int i = 0; i < fields.length; i++) {
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String key = fields[i].getName();
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fields[i].setAccessible(true);
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Object value = fields[i].get(bean);
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if ("sign".equals(key) || value == null || StringUtils.isEmpty(value.toString())) {
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continue;
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}
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requestMap.put(key, value.toString());
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}
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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}
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return requestMap;
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}
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}
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