SignatureUtils.java
1.38 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
package com.ruoyi.service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.DigestUtils;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Map;
import java.util.TreeMap;
public class SignatureUtils {
private final static Logger logger = LoggerFactory.getLogger(SignatureUtils.class);
// 生成签名
public static String generateSignature(Map<String, Object> params, String secretKey) {
TreeMap<String, Object> sortedParams = new TreeMap<>(params);
StringBuilder sb = new StringBuilder();
for (Map.Entry<String, Object> entry : sortedParams.entrySet()) {
sb.append(entry.getKey()).append("=").append(entry.getValue()).append("&");
}
sb.append("secretKey=").append(secretKey);
return md5(sb.toString());
}
private static String md5(String input) {
try {
logger.info("MD5加密之前内容: {}", input);
if (input == null || "".equals(input.trim())) {
return null;
}
String md5 = DigestUtils.md5DigestAsHex(input.getBytes());
logger.info("MD5加密之后内容: {}", md5);
return md5;
} catch (Exception e) {
logger.error("MD5加密异常:", e);
e.printStackTrace();
}
return null;
}
}