优化支付代码&WeixinSignature类新增getSignType方法

weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/oldpayment/WeixinOldPaymentSignature.java

@@ -4,6 +4,7 @@ import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.JSONPath;
 import com.foxinmy.weixin4j.sign.AbstractWeixinSignature;
+import com.foxinmy.weixin4j.type.SignType;
 import com.foxinmy.weixin4j.util.DigestUtil;
 import com.foxinmy.weixin4j.util.MapUtil;
 
@@ -48,6 +49,11 @@ public class WeixinOldPaymentSignature extends AbstractWeixinSignature {
 		return DigestUtil.SHA1(join(obj).toString());
 	}
 
+	@Override
+	public SignType getSignType() {
+		return SignType.SHA1;
+	}
+
 	/**
 	 * package拼接签名
 	 *

weixin4j-mp/src/test/java/com/foxinmy/weixin4j/mp/test/CustomTest.java

@@ -75,9 +75,9 @@ public class CustomTest extends TokenTest {
 
 	@Test
 	public void uploadKfAvatar() throws WeixinException, IOException {
-		JsonResult result = customApi.uploadKfAvatar(
-				"temp1@canyidianzhang", new FileInputStream(new File(
-						"/Users/jy/Music/简谱/风动草.jpg")), "风动草.jpg");
+		JsonResult result = customApi.uploadKfAvatar("temp1@canyidianzhang",
+				new FileInputStream(new File("/Users/jy/Music/简谱/风动草.jpg")),
+				"风动草.jpg");
 		Assert.assertEquals(0, result.getCode());
 	}