根据数量获取 阶梯价接口完成

controller/sku_controller.go

@@ -29,7 +29,7 @@ const goods_slice_count = 10 //每多少个型号id开启一个协程
 
 */
 
-func Synchronization(ctx *gin.Context) {
+func CommonController(ctx *gin.Context) map[string]interface{}{
 	common.PrintDebugHeader(ctx) //开启debug调试
 
 	zyService := service.ZiyingService{} //实例化自营查询
@@ -39,7 +39,7 @@ func Synchronization(ctx *gin.Context) {
 	GoodsIdStr := ctx.Request.FormValue("goods_id")
 	if GoodsIdStr == "" {
 		common.Output(ctx, 1001, "查询型号ID不得为空", "")
-		return
+		return nil
 	}
 
 	goodsIdArr := php2go.Explode(",", GoodsIdStr)
@@ -108,7 +108,18 @@ func Synchronization(ctx *gin.Context) {
 			logger.Log("协程超时", "sku", 1)
 		}
 	}
-	common.Output(ctx, 0, "success", temp)
+	return temp
+
+}
+func Synchronization(ctx *gin.Context)  {
+
+	res:=CommonController(ctx)
+	common.Output(ctx, 0, "success", res)
+}
+func Synchronization1(ctx *gin.Context)  {
+
+	res:=CommonController(ctx)
+	common.Output(ctx, 0, "success", res)
 }
 
 /*

controller/sku_ladderprice_controller.go

@@ -2,8 +2,44 @@ package controller
 
 import (
 	"github.com/gin-gonic/gin"
+	"go_sku_server/model"
+	"go_sku_server/pkg/common"
+	"go_sku_server/service"
 )
 
+/**
+请求参数格式如下
+(
+    [goods_id] => 1160551099531105977
+    [num] => 475
+    [currency] => 1
+    [power] => Array
+        (
+            [member] => true
+            [newCustomer] => false
+            [user_id] => 69797
+            [email] =>
+            [mobile] => 13277999723
+        )
+
+)
+必填参数 goods_id num currency
+
+参考业务逻辑:http://119.23.72.7/ymx/GoodsMachining/blob/master/app/Http/Controllers/ServicesController.php#L66
+*/
 func SkuLadderprice(ctx *gin.Context) {
 
+	//ctx.Request.ParseMultipartForm(32 << 20)
+	//postForm := ctx.Request.Form
+	if ladderPriceRequest, err :=model.NewPriceRequest(ctx); err!=nil{
+		common.Output(ctx, err.Code, err.Error(), "")
+	}else{
+		goodsInfo:=CommonController(ctx)//获取商品详情(调用树贤和黄哥之前写好的Controller)
+		if data,err:=service.NewLadderPriceService().GetPriceInfoByNum(ladderPriceRequest,goodsInfo); err!=nil{
+			common.Output(ctx, err.Code, err.Error(), data)
+		}else{
+			common.Output(ctx, 0, "success", data)
+		}
+		return
+	}
 }
\ No newline at end of file

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd // indirect
 	github.com/gin-gonic/gin v1.6.3
 	github.com/go-ini/ini v1.57.0
+	github.com/go-playground/validator/v10 v10.2.0
 	github.com/go-sql-driver/mysql v1.5.0
 	github.com/go-xorm/xorm v0.7.9
 	github.com/gogf/gf v1.14.5

model/ladder_price_request.go

 package model
 
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/go-playground/validator/v10"
+	"github.com/gogf/gf/util/gconv"
+	"go_sku_server/pkg/e"
+	"reflect"
+)
 
 type LadderPriceRequest struct {
 
-	GoodsId  string `json:"goods_id" form:"goods_id" binding:"required"`
-	Num  string `json:"num" form:"num" binding:"required"`
-	Currency int    `json:"currency" form:"currency" binding:"required"`
+	GoodsId  string `json:"goods_id" form:"goods_id" binding:"required" required_errcode:"104004"`
+	Num  int64 `json:"num" form:"num" binding:"required" required_errcode:"104005"`
+	Currency int    `json:"currency" form:"currency" binding:"required" required_errcode:"104006"`
+	Costly  int    `json:"costly" form:"costly" `//暂时不知道是什么意思
+}
+
+
+
+type requiredCode struct {
+	msgMap map[string]int
+}
+
+
+// 验证并返回 LadderPriceRequest
+func NewPriceRequest(ctx *gin.Context) ( LadderPriceRequest, *e.ApiError) {
+
+	ladderPriceRequest:=LadderPriceRequest{}
+	typeOfLadderPrice:=reflect.TypeOf(ladderPriceRequest)
+
+	if err:= ctx.ShouldBind(&ladderPriceRequest); err != nil {
+
+		if fieldError,ok:=err.(validator.ValidationErrors);ok{
+			if(fieldError[0].Tag()=="required"){
+
+				fieldName:=fieldError[0].StructField()
+				requiredCode:=104001
+				if field,bool:=typeOfLadderPrice.FieldByName(fieldName);bool==true{
+					requiredCode=gconv.Int(field.Tag.Get("required_errcode"))
+				}
+				return ladderPriceRequest,e.NewApiError("缺少参数:"+fieldName,requiredCode)
+			}
+		}
+	}
+	return ladderPriceRequest, nil
+}
 
-}
\ No newline at end of file

pkg/common/function.go

@@ -78,8 +78,8 @@ func GetRequestParam(ctx *gin.Context) string {
 		}
 		return BodyJson
 	default:
-		ctx.Request.ParseForm()
-		postForm := ctx.Request.PostForm
+		ctx.Request.ParseMultipartForm(32 << 20)
+		postForm := ctx.Request.Form
 		formData, _ := json.Marshal(postForm)
 		params := string(formData)
 		return params

routes/router.go

@@ -19,6 +19,9 @@ func InitRouter() *gin.Engine {
 	//联营参数选择搜索
 	r.GET("Synchronization", controller.Synchronization)
 	r.POST("Synchronization",controller.Synchronization)
+
+	r.POST("Ladderprice",controller.SkuLadderprice)
+
 	//心跳
 	r.GET("hbsdata", controller.Hbsdata)
 	r.POST("hbsdata",controller.Hbsdata)
@@ -27,5 +30,6 @@ func InitRouter() *gin.Engine {
 	r.POST("SaveSku",controller.Error_Middleware(),controller.SaveSku)
 	r.POST("SkuEdit",controller.Error_Middleware(),controller.SkuEdit)
 
+
 	return r
 }

service/service_ladder_price.go

+package service
+
+import (
+	"encoding/json"
+	"github.com/gogf/gf/util/gconv"
+	"github.com/tidwall/gjson"
+	"go_sku_server/model"
+	"go_sku_server/pkg/common"
+	"go_sku_server/pkg/e"
+)
+
+type LadderPriceService struct {
+	
+}
+
+func adderprice()  {
+	
+}
+
+/**
+ * 指定数量从阶梯中选择价格
+ * @param  [type]  $ladder   价格阶梯
+ * @param  [type]  $num      购买数量
+ * @param integer $currency 币种 1人民币 2美元
+ * @return [type]
+ */
+func (LP *LadderPriceService) GetPriceInfoByNum(ladderPriceRequest model.LadderPriceRequest, goodsInfo map[string]interface{}) (map[string]interface{},*e.ApiError) {
+
+	//此service 对 商详数据的操作都是使用的 gjson包
+	res:=make(map[string]interface{})
+
+	goodsJsonResult,err:=LP.getGoodsInfo(goodsInfo,ladderPriceRequest.GoodsId)
+	if(err!=nil){
+		return res,err
+	}
+	costly:=ladderPriceRequest.Costly//这个字段暂时不知道什么意思
+	//根据num 从 多个阶梯价数组 获取到对应的阶梯价
+	ladderPriceOne,err:=LP.getLadderPrice(goodsJsonResult,ladderPriceRequest.GoodsId,ladderPriceRequest.Num,costly)
+
+	num:=ladderPriceRequest.Num
+	purchases:=ladderPriceOne.Get("purchases").Int();
+	if purchases>ladderPriceRequest.Num{
+		num=purchases
+	}
+
+	goodsType:=goodsJsonResult.Get("goods_type").Int()
+	acType:=goodsJsonResult.Get("ac_type").Int()
+
+	if((goodsType==1 || goodsType==2) && acType!=1 && ladderPriceRequest.Currency!=1){//美元
+		res["price_us"]=ladderPriceOne.Get("price_us").Float()
+		res["price_us_total"]=common.MyRound(gconv.Float64(res["price_us"])*gconv.Float64(num),4)
+		goodsInfo["ac_type"]=0
+	}else{//人民币
+
+		res["price_cn"]=ladderPriceOne.Get("price_cn").Float()
+		res["price_cn_total"]=common.MyRound(gconv.Float64(res["price_cn"])*gconv.Float64(num),4)//人民币原价总价
+		priceAc:=ladderPriceOne.Get("price_ac").Float()
+		if priceAc != 0{
+			res["price_ac"]=priceAc
+			res["price_ac_total"]=common.MyRound(priceAc*gconv.Float64(num),4)
+		}
+	}
+
+	ladder:=make([]map[string]interface{},0)
+	a:=goodsJsonResult.Get("ladder_price").String()
+	err1:=json.Unmarshal([]byte(a),&ladder)//json Unmarshal一下,为了让返回格式没那么多斜划线
+	if(err1!=nil){
+		return res,e.NewApiError("json.Unmarshal ladder_price 报错"+err1.Error())
+	}
+	res["ladder_price"]=ladder
+	res["goods_info"]=goodsInfo
+	res["num"]=num
+	return res,nil
+}
+
+func (LP *LadderPriceService)getGoodsInfo(goodsInfo map[string]interface{}, goodsId string) (gjson.Result, *e.ApiError) {
+	var info gjson.Result
+	goodsInfoJson:=""
+	//把商品详情数据转化为json,方便用gjson处理
+	if byteS,err:=json.Marshal(goodsInfo);err!=nil{
+		return info, e.NewApiError(err.Error())
+	}else{
+		goodsInfoJson=string(byteS)
+	}
+	goodsResult:=gjson.Get(goodsInfoJson,goodsId)
+	if(goodsResult.Exists()!=true){
+		return info, e.NewApiError("未找到对应SKU", 20001)
+	}
+	return goodsResult, nil
+}
+
+func (LP *LadderPriceService )getLadderPrice(goodsJsonResult gjson.Result,goodsId string,num int64,costly int)  (gjson.Result,*e.ApiError){
+
+	var  res gjson.Result
+	ladderPriceS:=goodsJsonResult.Get("ladder_price")
+	if(len(ladderPriceS.Array())>0){
+		var price =gjson.Result{}
+		for k,item:=range ladderPriceS.Array(){
+			purchases:=item.Get("purchases").Int()
+			if(k==0){
+				price=item//默认最小数量
+			}
+			if(gconv.Int(costly)==1){//这一句没懂 Costly 代表什么意思
+				break
+			}
+			if(purchases<=num){
+				price=item
+			}
+		}
+		if(price.Exists()==false){
+			return res,e.NewApiError("这个SKU没有阶梯价",504003)
+		}
+		return price,nil
+
+	}else{
+		return res,e.NewApiError("这个SKU没有阶梯价",104002)
+
+	}
+}
+
+func NewLadderPriceService()  *LadderPriceService{
+	return &LadderPriceService{}
+}
\ No newline at end of file