【重要】主要调整了Pay3Api#refundApply退款参数

weixin4j-base/src/main/java/com/foxinmy/weixin4j/api/Pay3Api.java

@@ -113,9 +113,10 @@ public class Pay3Api {
 	 *            订单总金额,单位为元
 	 * @param refundFee
 	 *            退款总金额,单位为元,可以做部分退款
+	 * @param refundFeeType
+	 *            货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY
 	 * @param opUserId
 	 *            操作员帐号, 默认为商户号
-	 * 
 	 * @return 退款申请结果
 	 * @see com.foxinmy.weixin4j.payment.mch.RefundResult
 	 * @see <a
@@ -123,9 +124,9 @@ public class Pay3Api {
 	 * @since V3
 	 * @throws WeixinException
 	 */
-	protected RefundResult refundApply(InputStream ca, IdQuery idQuery,
+	public RefundResult refundApply(InputStream ca, IdQuery idQuery,
 			String outRefundNo, double totalFee, double refundFee,
-			String opUserId, Map<String, String> mopara) throws WeixinException {
+			CurrencyType refundFeeType, String opUserId) throws WeixinException {
 		WeixinResponse response = null;
 		try {
 			Map<String, String> map = baseMap(idQuery);
@@ -136,9 +137,10 @@ public class Pay3Api {
 				opUserId = weixinAccount.getMchId();
 			}
 			map.put("op_user_id", opUserId);
-			if (mopara != null && !mopara.isEmpty()) {
-				map.putAll(mopara);
+			if (refundFeeType == null) {
+				refundFeeType = CurrencyType.CNY;
 			}
+			map.put("refund_fee_type", refundFeeType.name());
 			String sign = PayUtil
 					.paysignMd5(map, weixinAccount.getPaySignKey());
 			map.put("sign", sign);
@@ -161,7 +163,7 @@ public class Pay3Api {
 	}
 
 	/**
-	 * 退款申请
+	 * 退款申请(全额退款)
 	 * 
 	 * @param ca
 	 *            证书文件(V3版本后缀为*.p12)
@@ -172,24 +174,12 @@ public class Pay3Api {
 	 *            商户系统内部的退款单号,商 户系统内部唯一,同一退款单号多次请求只退一笔
 	 * @param totalFee
 	 *            订单总金额,单位为元
-	 * @param refundFee
-	 *            退款总金额,单位为元,可以做部分退款
-	 * @param refundFeeType
-	 *            货币类型，符合ISO 4217标准的三位字母代码，默认人民币：CNY
-	 * @param opUserId
-	 *            操作员帐号, 默认为商户号
-	 * @see {@link #refundApply(InputStream, IdQuery, String, double, double, String, Map)}
+	 * @see {@link #refundApply(InputStream, IdQuery, String, double, double, String, CurrencyType)}
 	 */
 	public RefundResult refundApply(InputStream ca, IdQuery idQuery,
-			String outRefundNo, double totalFee, double refundFee,
-			CurrencyType refundFeeType, String opUserId) throws WeixinException {
-		Map<String, String> mopara = new HashMap<String, String>();
-		if (refundFeeType == null) {
-			refundFeeType = CurrencyType.CNY;
-		}
-		mopara.put("refund_fee_type", refundFeeType.name());
-		return refundApply(ca, idQuery, outRefundNo, totalFee, refundFee,
-				opUserId, mopara);
+			String outRefundNo, double totalFee) throws WeixinException {
+		return refundApply(ca, idQuery, outRefundNo, totalFee, totalFee, null,
+				null);
 	}
 
 	/**

weixin4j-base/src/main/java/com/foxinmy/weixin4j/model/MediaDownloadResult.java

@@ -1,7 +1,6 @@
 package com.foxinmy.weixin4j.model;
 
 import java.io.Serializable;
-import java.util.Arrays;
 
 import com.foxinmy.weixin4j.http.ContentType;
 
@@ -51,8 +50,7 @@ public class MediaDownloadResult implements Serializable {
 
 	@Override
 	public String toString() {
-		return "MediaDownloadResult [content=" + Arrays.toString(content)
-				+ ", contentType=" + contentType + ", fileName=" + fileName
-				+ "]";
+		return "MediaDownloadResult [content=..., contentType=" + contentType
+				+ ", fileName=" + fileName + "]";
 	}
 }

weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/WeixinPayProxy.java

@@ -141,19 +141,17 @@ public class WeixinPayProxy {
 	}
 
 	/**
-	 * 退款申请采用properties中配置的ca文件
+	 * 退款申请(全额退款)采用properties中配置的ca文件
 	 * 
 	 * @throws IOException
 	 * 
-	 * @see {@link #refundApply(InputStream, IdQuery, String, double, double,CurrencyType, String)}
+	 * @see {@link #refundApply(InputStream, IdQuery, String, double, double, String,CurrencyType)}
 	 */
 	public com.foxinmy.weixin4j.payment.mch.RefundResult refundApply(
-			IdQuery idQuery, String outRefundNo, double totalFee,
-			double refundFee, String opUserId) throws WeixinException,
-			IOException {
+			IdQuery idQuery, String outRefundNo, double totalFee)
+			throws WeixinException, IOException {
 		return pay3Api.refundApply(new FileInputStream(DEFAULT_CA_FILE),
-				idQuery, outRefundNo, totalFee, refundFee, CurrencyType.CNY,
-				opUserId);
+				idQuery, outRefundNo, totalFee);
 	}
 
 	/**
@@ -522,6 +520,6 @@ public class WeixinPayProxy {
 			throws WeixinException {
 		return pay3Api.authCode2openId(authCode);
 	}
-	
+
 	public final static String VERSION = "1.6.4";
 }

weixin4j-base/src/main/java/com/foxinmy/weixin4j/util/RegexUtil.java

@@ -0,0 +1,36 @@
+package com.foxinmy.weixin4j.util;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * 正则表达式工具类
+ * 
+ * @className RegexUtil
+ * @author jy
+ * @date 2015年12月8日
+ * @since JDK 1.7
+ * @see
+ */
+public final class RegexUtil {
+	/**
+	 * Content-disposition 中的 filename提取正则
+	 */
+	private static final Pattern FILENAME_RGX = Pattern
+			.compile("(?<=filename=\").*?(?=\")");
+
+	/**
+	 * 从 Content-disposition提取文件名
+	 * 
+	 * @param contentDisposition
+	 * @return
+	 */
+	public static String regexFileNameFromContentDispositionHeader(
+			String contentDisposition) {
+		if (StringUtil.isBlank(contentDisposition)) {
+			return null;
+		}
+		Matcher filenameMatcher = FILENAME_RGX.matcher(contentDisposition);
+		return filenameMatcher.find() ? filenameMatcher.group() : null;
+	}
+}