下载对账单新增压缩参数

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

@@ -37,12 +37,14 @@ import com.foxinmy.weixin4j.type.CurrencyType;
 import com.foxinmy.weixin4j.type.IdQuery;
 import com.foxinmy.weixin4j.type.IdType;
 import com.foxinmy.weixin4j.type.SignType;
+import com.foxinmy.weixin4j.type.TarType;
 import com.foxinmy.weixin4j.type.TradeType;
 import com.foxinmy.weixin4j.type.mch.BillType;
 import com.foxinmy.weixin4j.type.mch.RefundAccountType;
 import com.foxinmy.weixin4j.util.Consts;
 import com.foxinmy.weixin4j.util.DateUtil;
 import com.foxinmy.weixin4j.util.DigestUtil;
+import com.foxinmy.weixin4j.util.IOUtil;
 import com.foxinmy.weixin4j.util.MapUtil;
 import com.foxinmy.weixin4j.util.RandomUtil;
 import com.foxinmy.weixin4j.util.StringUtil;
@@ -604,6 +606,8 @@ public class PayApi extends MchApi {
 	 *            REFUND,返回当日退款订单
 	 * @param outputStream
 	 *            输出流
+	 * @param tarType
+	 *            非必传参数，固定值：GZIP，返回格式为.gzip的压缩包账单。不传则默认为数据流形式。
 	 * @since V3
 	 * @see <a href=
 	 *      "http://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=9_6">
@@ -611,7 +615,7 @@ public class PayApi extends MchApi {
 	 * @throws WeixinException
 	 */
 	public void downloadBill(Date billDate, BillType billType,
-			OutputStream outputStream) throws WeixinException {
+			OutputStream outputStream, TarType tarType) throws WeixinException {
 		if (billDate == null) {
 			Calendar now = Calendar.getInstance();
 			now.add(Calendar.DAY_OF_MONTH, -1);
@@ -624,16 +628,26 @@ public class PayApi extends MchApi {
 		Map<String, String> map = createBaseRequestMap(null);
 		map.put("bill_date", formatBillDate);
 		map.put("bill_type", billType.name());
+		if (tarType != null) {
+			map.put("tar_type", tarType.name());
+		}
 		map.put("sign", weixinSignature.sign(map));
 		String param = XmlStream.map2xml(map);
 		WeixinResponse response = weixinExecutor.post(
 				getRequestUri("downloadbill_uri"), param);
 
+		if (TarType.GZIP == tarType) {
+			try {
+				IOUtil.copy(response.getBody(), outputStream);
+			} catch (IOException e) {
+				;
+			}
+		} else {
 			BufferedReader reader = null;
 			BufferedWriter writer = null;
 			try {
-			writer = new BufferedWriter(new OutputStreamWriter(outputStream,
+				writer = new BufferedWriter(new OutputStreamWriter(
-					Consts.UTF_8));
+						outputStream, Consts.UTF_8));
 				reader = new BufferedReader(new InputStreamReader(
 						response.getBody(), Consts.UTF_8));
 				String line = null;
@@ -656,6 +670,7 @@ public class PayApi extends MchApi {
 				}
 			}
 		}
+	}
 
 	/**
 	 * 退款查询

weixin4j-base/src/main/java/com/foxinmy/weixin4j/http/MimeType.java

@@ -58,6 +58,8 @@ public class MimeType implements Serializable {
 		STREAM_MIMETYPES.add(valueOf("image/*"));
 		STREAM_MIMETYPES.add(valueOf("audio/*"));
 		STREAM_MIMETYPES.add(valueOf("video/*"));
+		STREAM_MIMETYPES.add(valueOf("application/zip"));
+		STREAM_MIMETYPES.add(valueOf("application/x-gzip"));
 	}
 
 	public MimeType(String type) {

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

@@ -39,6 +39,7 @@ import com.foxinmy.weixin4j.sign.WeixinSignature;
 import com.foxinmy.weixin4j.type.CurrencyType;
 import com.foxinmy.weixin4j.type.CustomsCity;
 import com.foxinmy.weixin4j.type.IdQuery;
+import com.foxinmy.weixin4j.type.TarType;
 import com.foxinmy.weixin4j.type.mch.BillType;
 import com.foxinmy.weixin4j.type.mch.RefundAccountType;
 import com.foxinmy.weixin4j.util.Weixin4jConfigUtil;
@@ -511,6 +512,8 @@ public class WeixinPayProxy {
 	 *            下载对账单的类型 ALL,返回当日所有订单信息, 默认值 SUCCESS,返回当日成功支付的订单
 	 *            REFUND,返回当日退款订单
 	 * @para outputStream 输出流
+	 * @param tarType
+	 *            非必传参数，固定值：GZIP，返回格式为.gzip的压缩包账单。不传则默认为数据流形式。
 	 * @since V2 & V3
 	 * @see com.foxinmy.weixin4j.api.PayApi
 	 * @see <a href=
@@ -519,8 +522,8 @@ public class WeixinPayProxy {
 	 * @throws WeixinException
 	 */
 	public void downloadBill(Date billDate, BillType billType,
-			OutputStream outputStream) throws WeixinException {
+			OutputStream outputStream, TarType tarType) throws WeixinException {
-		payApi.downloadBill(billDate, billType, outputStream);
+		payApi.downloadBill(billDate, billType, outputStream, tarType);
 	}
 
 	/**