org.hiylo.components.wechat.pay

Class WechatPayUtil

java.lang.Object

org.hiylo.components.wechat.pay.WechatPayUtil

public class WechatPayUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
WechatPayUtil()

Method Summary

Modifier and Type	Method and Description
static String	generateNonceStr() 获取随机字符串 Nonce Str
static String	generateSignature(Map<String,String> data, String key) 生成签名
static String	generateSignature(Map<String,String> data, String key, com.github.wxpay.sdk.WXPayConstants.SignType signType) 生成签名.
static String	generateSignedXml(Map<String,String> data, String key) 生成带有 sign 的 XML 格式字符串
static String	generateSignedXml(Map<String,String> data, String key, com.github.wxpay.sdk.WXPayConstants.SignType signType) 生成带有 sign 的 XML 格式字符串
static String	generateUUID() 生成 uuid， 即用来标识一笔单，也用做 nonce_str
static long	getCurrentTimestamp() 获取当前时间戳，单位秒
static long	getCurrentTimestampMs() 获取当前时间戳，单位毫秒
static org.slf4j.Logger	getLogger() 日志
static String	HMACSHA256(String data, String key) 生成 HMACSHA256
static boolean	isSignatureValid(Map<String,String> data, String key) 判断签名是否正确，必须包含sign字段，否则返回false。使用MD5签名。
static boolean	isSignatureValid(Map<String,String> data, String key, com.github.wxpay.sdk.WXPayConstants.SignType signType) 判断签名是否正确，必须包含sign字段，否则返回false。
static boolean	isSignatureValid(String xmlStr, String key) 判断签名是否正确
static String	mapToXml(Map<String,String> data) 将Map转换为XML格式的字符串
static String	MD5(String data) 生成 MD5
static Map<String,String>	xmlToMap(String strXML) XML格式字符串转换为Map

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WechatPayUtil

public WechatPayUtil()

Method Detail

xmlToMap

public static Map<String,String> xmlToMap(String strXML)
                                   throws IOException,
                                          SAXException,
                                          ParserConfigurationException

XML格式字符串转换为Map

Parameters:

strXML - XML字符串

Returns:

XML数据转换后的Map

Throws:

Exception

IOException

SAXException

ParserConfigurationException

mapToXml

public static String mapToXml(Map<String,String> data)
                       throws ParserConfigurationException,
                              TransformerException

将Map转换为XML格式的字符串

Parameters:

data - Map类型数据

Returns:

XML格式的字符串

Throws:

Exception

ParserConfigurationException

TransformerException

generateSignedXml

public static String generateSignedXml(Map<String,String> data,
                                       String key)
                                throws ParserConfigurationException,
                                       TransformerException,
                                       NoSuchAlgorithmException,
                                       InvalidKeyException,
                                       UnsupportedEncodingException

生成带有 sign 的 XML 格式字符串

Parameters:

data - Map类型数据

key - API密钥

Returns:

含有sign字段的XML

Throws:

ParserConfigurationException

TransformerException

NoSuchAlgorithmException

InvalidKeyException

UnsupportedEncodingException

generateSignedXml

public static String generateSignedXml(Map<String,String> data,
                                       String key,
                                       com.github.wxpay.sdk.WXPayConstants.SignType signType)
                                throws NoSuchAlgorithmException,
                                       InvalidKeyException,
                                       UnsupportedEncodingException,
                                       TransformerException,
                                       ParserConfigurationException

生成带有 sign 的 XML 格式字符串

Parameters:

data - Map类型数据

key - API密钥

signType - 签名类型

Returns:

含有sign字段的XML

Throws:

NoSuchAlgorithmException

InvalidKeyException

UnsupportedEncodingException

TransformerException

ParserConfigurationException

isSignatureValid

public static boolean isSignatureValid(String xmlStr,
                                       String key)
                                throws ParserConfigurationException,
                                       SAXException,
                                       IOException,
                                       InvalidKeyException,
                                       NoSuchAlgorithmException

判断签名是否正确

Parameters:

xmlStr - XML格式数据

key - API密钥

Returns:

签名是否正确

Throws:

Exception

ParserConfigurationException

SAXException

IOException

InvalidKeyException

NoSuchAlgorithmException

isSignatureValid

public static boolean isSignatureValid(Map<String,String> data,
                                       String key)
                                throws NoSuchAlgorithmException,
                                       InvalidKeyException,
                                       UnsupportedEncodingException

判断签名是否正确，必须包含sign字段，否则返回false。使用MD5签名。

Parameters:

data - Map类型数据

key - API密钥

Returns:

签名是否正确

Throws:

Exception

NoSuchAlgorithmException

InvalidKeyException

UnsupportedEncodingException

isSignatureValid

public static boolean isSignatureValid(Map<String,String> data,
                                       String key,
                                       com.github.wxpay.sdk.WXPayConstants.SignType signType)
                                throws NoSuchAlgorithmException,
                                       InvalidKeyException,
                                       UnsupportedEncodingException

判断签名是否正确，必须包含sign字段，否则返回false。

Parameters:

data - Map类型数据

key - API密钥

signType - 签名方式

Returns:

签名是否正确

Throws:

Exception

NoSuchAlgorithmException

InvalidKeyException

UnsupportedEncodingException

generateSignature

public static String generateSignature(Map<String,String> data,
                                       String key)
                                throws NoSuchAlgorithmException,
                                       InvalidKeyException,
                                       UnsupportedEncodingException

生成签名

Parameters:

data - 待签名数据

key - API密钥

Returns:

签名

Throws:

NoSuchAlgorithmException

InvalidKeyException

UnsupportedEncodingException

generateSignature

public static String generateSignature(Map<String,String> data,
                                       String key,
                                       com.github.wxpay.sdk.WXPayConstants.SignType signType)
                                throws NoSuchAlgorithmException,
                                       InvalidKeyException,
                                       UnsupportedEncodingException

生成签名. 注意，若含有sign_type字段，必须和signType参数保持一致。

Parameters:

data - 待签名数据

key - API密钥

signType - 签名方式

Returns:

签名

Throws:

NoSuchAlgorithmException

InvalidKeyException

UnsupportedEncodingException

generateNonceStr

public static String generateNonceStr()

获取随机字符串 Nonce Str

Returns:

String 随机字符串

MD5

public static String MD5(String data)
                  throws NoSuchAlgorithmException,
                         UnsupportedEncodingException

生成 MD5

Parameters:

data - 待处理数据

Returns:

MD5结果

Throws:

NoSuchAlgorithmException

UnsupportedEncodingException

HMACSHA256

public static String HMACSHA256(String data,
                                String key)
                         throws NoSuchAlgorithmException,
                                UnsupportedEncodingException,
                                InvalidKeyException

生成 HMACSHA256

Parameters:

data - 待处理数据

key - 密钥

Returns:

加密结果

Throws:

Exception

NoSuchAlgorithmException

UnsupportedEncodingException

InvalidKeyException

getLogger

public static org.slf4j.Logger getLogger()

日志

Returns:

getCurrentTimestamp

public static long getCurrentTimestamp()

获取当前时间戳，单位秒

Returns:

getCurrentTimestampMs

public static long getCurrentTimestampMs()

获取当前时间戳，单位毫秒

Returns:

generateUUID

public static String generateUUID()

生成 uuid， 即用来标识一笔单，也用做 nonce_str

Returns: