三方运单计价各管各，不在以美团为基准，创建运单只有一个限制条件，最高运费：maxDeliveryFee

优化美团运费计算，两点距离用高德API实际计算行走距离

business/jxutils/jxutils_test.go

@@ -205,3 +205,57 @@ func TestGetShortNameFromURL(t *testing.T) {
 		}
 	}
 }
+
+func TestCalcStageValue(t *testing.T) {
+	type tTestType struct {
+		DesiredValue float64
+		Params1      [][]float64
+		Params2      float64
+	}
+	priceStage := [][]float64{
+		[]float64{
+			7,
+			300,
+		},
+		[]float64{
+			5,
+			200,
+		},
+		[]float64{
+			3,
+			100,
+		},
+	}
+	for _, v := range []*tTestType{
+		&tTestType{
+			DesiredValue: 0,
+			Params1:      priceStage,
+			Params2:      3,
+		},
+		&tTestType{
+			DesiredValue: 0,
+			Params1:      priceStage,
+			Params2:      0,
+		},
+		&tTestType{
+			DesiredValue: 200,
+			Params1:      priceStage,
+			Params2:      5,
+		},
+		&tTestType{
+			DesiredValue: 400,
+			Params1:      priceStage,
+			Params2:      5.01,
+		},
+		&tTestType{
+			DesiredValue: 600,
+			Params1:      priceStage,
+			Params2:      7,
+		},
+	} {
+		value := CalcStageValue(v.Params1, v.Params2)
+		if value != v.DesiredValue {
+			t.Errorf("DesiredValue:%f, value:%f", v.DesiredValue, value)
+		}
+	}
+}