go_zh/api/shop_order.go

package api

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/shopspring/decimal"
	"go_zh/pkg/validator"
	"go_zh/request/api"
)

type ShopOrderController struct {
	BaseController
}

func (shopOrder ShopOrderController) GetOrderSn(c *gin.Context) {
	mId := c.GetInt("mId")
	if mId == 0 {
		shopOrder.responseError(c, 401, "缺少登陆信息")
		return
	}
	//数据验证
	var data api.CreateOrderRequest
	msg, ok := validator.ValidatorData(c, &data)
	if !ok {
		shopOrder.responseError(c, 400, msg)
		return
	}
	//对金额进行精度处理
	money, err := decimal.NewFromString(data.PayMoney)
	if err != nil {
		shopOrder.responseError(c, 400, "金额错误")
		return
	}
	//对最小金额做判断
	minMoney, _ := decimal.NewFromString("0.01")
	if money.LessThan(minMoney) { //当 money小于minMoney时
		shopOrder.responseError(c, 400, "金额不合法")
		return
	}
	fmt.Println("money", money)
	fmt.Println(data)
}