package cn.gistack.system.user.sync.util;
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import cn.gistack.system.user.sync.constant.CimsConstants;
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import java.util.Map;
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import java.util.TreeMap;
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/**
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* @author: wd
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* Date: 2020/12/7 10:26
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* Description : API标准化生成sign的类
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*/
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public class SignUtil {
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/**
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* 生成当前时间戳
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* @return
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*/
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public static Long getCurrentTimeStamp(){
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return System.currentTimeMillis();
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}
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/**
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* 生成接口签名
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*/
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public static String getSign(String appId, Long timeStamp, String key, String url, String method, Map<String, String> params){
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StringBuilder sb = new StringBuilder();
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params.remove(CimsConstants.PARAM_APPID);
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params.remove(CimsConstants.PARAM_SIGN);
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params.remove(CimsConstants.PARAM_TIMESTAMP);
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params.remove(CimsConstants.PARAM_SYNCDATA);
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Map<String, String> sortParams = new TreeMap<>(params);
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sb.append(appId).append(timeStamp);
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for (Map.Entry<String, String> entry : sortParams.entrySet()) {
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String value = entry.getValue() == null ? "" : entry.getValue().trim();
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sb.append(value);
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}
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sb.append(key).append(url).append(method);
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return MD5Util.getMD5String(sb.toString()).toUpperCase();
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}
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}
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