WebserviceSign.java
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package com.bsth.serviec_jk;
import java.security.MessageDigest;
import java.util.Arrays;
import java.util.Map;
public class WebserviceSign {
public static String getRandomString(Integer i){
return "t5sdv";
}
public static String getSHA1(Map<String, String> map) throws Exception {
try {
String[] array = new String[map.size()];
map.values().toArray(array);
StringBuffer sb = new StringBuffer();
// 字符串排序
Arrays.sort(array);
for (int i = 0; i < array.length; i++) {
sb.append(array[i]);
}
String str = sb.toString();
// SHA1签名生成
MessageDigest md = MessageDigest.getInstance("SHA-1");
md.update(str.getBytes());
byte[] digest = md.digest();
StringBuffer hexstr = new StringBuffer();
String shaHex = "";
for (int i = 0; i < digest.length; i++) {
shaHex = Integer.toHexString(digest[i] & 0xFF);
if (shaHex.length() < 2) {
hexstr.append(0);
}
hexstr.append(shaHex);
}
return hexstr.toString();
} catch (Exception e) {
throw e;
}
}
}