package com.zhan_dui.utils;
import java.util.Iterator;
import java.util.Set;
import java.util.TreeMap;
public class ApiUtils {
public static String getAccessToken(TreeMap<String, String> map,
String app_secret) {
String toMd5 = "";
Set<String> keys = map.keySet();
Iterator<String> iterator = keys.iterator();
while (iterator.hasNext()) {
String key = iterator.next();
toMd5 += key + "=" + map.get(key) + "&";
}
toMd5 = toMd5.substring(0, toMd5.length() - 1);
toMd5 += app_secret;
return MD5.digest(toMd5);
}
}