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公众号支付

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oohusl
2015-04-29 20:34:26 +08:00
parent b3110991a7
commit 5aba724633
8 changed files with 298 additions and 27 deletions
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27
weixin-java-common/src/main/java/me/chanjar/weixin/common/util/crypto/SHA1.java
View File

@ -1,5 +1,7 @@
package me.chanjar.weixin.common.util.crypto;
import org.apache.commons.codec.digest.DigestUtils;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
@ -21,7 +23,7 @@ public class SHA1 {
for (String a : arr) {
sb.append(a);
}
return genStr(sb.toString());
return DigestUtils.sha1Hex(sb.toString());
}
/**
@ -40,25 +42,6 @@ public class SHA1 {
sb.append('&');
}
}
return genStr(sb.toString());
return DigestUtils.sha1Hex(sb.toString());
}
public static String genStr(String str) throws NoSuchAlgorithmException {
MessageDigest sha1 = MessageDigest.getInstance("SHA1");
sha1.update(str.getBytes());
byte[] output = sha1.digest();
return bytesToHex(output);
}
protected static String bytesToHex(byte[] b) {
char hexDigit[] = { '0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
StringBuffer buf = new StringBuffer();
for (int j = 0; j < b.length; j++) {
buf.append(hexDigit[(b[j] >> 4) & 0x0f]);
buf.append(hexDigit[b[j] & 0x0f]);
}
return buf.toString();
}
}
}

34
weixin-java-common/src/main/java/me/chanjar/weixin/common/util/crypto/WxCryptUtil.java
View File

@ -14,6 +14,7 @@
package me.chanjar.weixin.common.util.crypto;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.digest.DigestUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;
@ -27,8 +28,7 @@ import javax.xml.parsers.ParserConfigurationException;
import java.io.StringReader;
import java.nio.charset.Charset;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.Random;
import java.util.*;
public class WxCryptUtil {
@ -224,6 +224,36 @@ public class WxCryptUtil {
}
/**
* 微信公众号支付签名算法(详见:http://pay.weixin.qq.com/wiki/doc/api/index.php?chapter=4_3)
* @param packageParams 原始参数
* @param signKey 加密Key(即 商户Key)
* @param charset 编码
* @return 签名字符串
*/
public static String createSign(Map<String, String> packageParams, String signKey) {
SortedMap<String, String> sortedMap = new TreeMap<String, String>();
sortedMap.putAll(packageParams);
List<String> keys = new ArrayList<String>(packageParams.keySet());
Collections.sort(keys);
StringBuffer toSign = new StringBuffer();
for (String key : keys) {
String value = packageParams.get(key);
if (null != value && !"".equals(value) && !"sign".equals(key)
&& !"key".equals(key)) {
toSign.append(key + "=" + value + "&");
}
}
toSign.append("key=" + signKey);
System.out.println(toSign.toString());
String sign = DigestUtils.md5Hex(toSign.toString())
.toUpperCase();
return sign;
}
/**
* 将一个数字转换成生成4个字节的网络字节序bytes数组
*