io.leopard.pay.alipay

Class AlipayUtil

java.lang.Object

io.leopard.pay.alipay.AlipayUtil

public class AlipayUtil
extends Object

支付宝工具类

Author:

谭海潮

Constructor Summary

Constructors

Constructor and Description
AlipayUtil()

Method Summary

Modifier and Type	Method and Description
static String	buildQueryStr(Map<String,String> formMap, Set<String> ignoredKeys) 拼接查询字符串: k1=v1&k2=v2&..., 会排除掉值为null 的那些key
static String	getReturnUrl(javax.servlet.http.HttpServletRequest request, String uri)
static String	md5Hex(String msg) 获取字符串的MD5, 这个方法使用UTF-8 的编码获取byte, 最后会把MD5 字符串转成大写形式
static String	signature(SortedMap<String,String> sortedParams, String privateKey) 签名,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。

Methods inherited from class java.lang.Object

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

Constructor Detail

AlipayUtil

public AlipayUtil()

Method Detail

getReturnUrl

public static String getReturnUrl(javax.servlet.http.HttpServletRequest request,
                                  String uri)

signature

public static String signature(SortedMap<String,String> sortedParams,
                               String privateKey)

签名,规则是:按参数名称a-z排序,遇到空值的参数不参加签名。

buildQueryStr

public static String buildQueryStr(Map<String,String> formMap,
                                   Set<String> ignoredKeys)

拼接查询字符串: k1=v1&k2=v2&..., 会排除掉值为null 的那些key

Parameters:

formMap - 键值对

ignoredKeys - 要忽略的key, 如果为null, 则全部都拼接到字符串

Returns:

查询字符串

md5Hex

public static String md5Hex(String msg)
                     throws UnsupportedEncodingException,
                            NoSuchAlgorithmException

获取字符串的MD5, 这个方法使用UTF-8 的编码获取byte, 最后会把MD5 字符串转成大写形式

Throws:

UnsupportedEncodingException

NoSuchAlgorithmException