feat: expand merchant revenue statistics

README.md

@@ -123,6 +123,10 @@ export PAY007_KEY=your-secret-key
 007pay stats --begin "2026-07-01 00:00:00" --end "2026-07-31 23:59:59"
 ```
 
+`StatsResponse` includes order counts by state, manual-order count, gross and
+received amounts, successful refund count/amount, fee, and net amount. All
+amount fields use cents.
+
 签名调试：
 
 ```bash

client_test.go

@@ -67,3 +67,55 @@ func TestSubmitPostsSignedForm(t *testing.T) {
 		t.Fatalf("unexpected response: %+v", resp)
 	}
 }
+
+func TestStatsDecodesDetailedResponse(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/api/pay/stats" {
+			t.Fatalf("path = %s", r.URL.Path)
+		}
+		params := map[string]string{}
+		for key, values := range r.URL.Query() {
+			if len(values) > 0 {
+				params[key] = values[0]
+			}
+		}
+		if !VerifySign(params, "secret") {
+			t.Fatalf("invalid sign: %s", params["sign"])
+		}
+
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"code":    200,
+			"message": "Success",
+			"data": map[string]any{
+				"order_count":          3,
+				"total_order_count":    5,
+				"paid_order_count":     3,
+				"unpaid_order_count":   2,
+				"refunded_order_count": 1,
+				"closed_order_count":   1,
+				"manual_order_count":   1,
+				"total_amount":         17000,
+				"received_amount":      11000,
+				"refund_amount":        6000,
+				"refund_count":         2,
+				"total_fee":            170,
+				"net_amount":           10830,
+			},
+		})
+	}))
+	defer server.Close()
+
+	client, err := NewClient(server.URL, "pid-1", "secret")
+	if err != nil {
+		t.Fatal(err)
+	}
+	resp, err := client.Stats(context.Background(), StatsRequest{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if resp.TotalOrderCount != 5 || resp.PaidOrderCount != 3 ||
+		resp.RefundedOrderCount != 1 || resp.RefundCount != 2 ||
+		resp.ReceivedAmount != 11000 || resp.NetAmount != 10830 {
+		t.Fatalf("unexpected response: %+v", resp)
+	}
+}

types.go

@@ -172,4 +172,13 @@ type StatsResponse struct {
 	TotalAmount        int64 `json:"total_amount"`
 	TotalFee           int64 `json:"total_fee"`
 	NetAmount          int64 `json:"net_amount"`
+	TotalOrderCount    int64 `json:"total_order_count"`
+	PaidOrderCount     int64 `json:"paid_order_count"`
+	UnpaidOrderCount   int64 `json:"unpaid_order_count"`
+	RefundedOrderCount int64 `json:"refunded_order_count"`
+	ClosedOrderCount   int64 `json:"closed_order_count"`
+	ManualOrderCount   int64 `json:"manual_order_count"`
+	ReceivedAmount     int64 `json:"received_amount"`
+	RefundAmount       int64 `json:"refund_amount"`
+	RefundCount        int64 `json:"refund_count"`
 }