refactor: 后端包结构重构、去除无用的文件

server/pkg/ginx/ginx.go

@@ -0,0 +1,78 @@
+package ginx
+
+import (
+	"io"
+	"mayfly-go/pkg/biz"
+	"mayfly-go/pkg/global"
+	"mayfly-go/pkg/model"
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+// 绑定并校验请求结构体参数
+func BindJsonAndValid(g *gin.Context, data interface{}) {
+	if err := g.ShouldBindJSON(data); err != nil {
+		panic(biz.NewBizErr(err.Error()))
+	}
+}
+
+// 绑定查询字符串到
+func BindQuery(g *gin.Context, data interface{}) {
+	if err := g.ShouldBindQuery(data); err != nil {
+		panic(biz.NewBizErr(err.Error()))
+	}
+}
+
+// 获取分页参数
+func GetPageParam(g *gin.Context) *model.PageParam {
+	return &model.PageParam{PageNum: QueryInt(g, "pageNum", 1), PageSize: QueryInt(g, "pageSize", 10)}
+}
+
+// 获取查询参数中指定参数值，并转为int
+func QueryInt(g *gin.Context, qm string, defaultInt int) int {
+	qv := g.Query(qm)
+	if qv == "" {
+		return defaultInt
+	}
+	qvi, err := strconv.Atoi(qv)
+	biz.ErrIsNil(err, "query param not int")
+	return qvi
+}
+
+// 获取路径参数
+func PathParamInt(g *gin.Context, pm string) int {
+	value, _ := strconv.Atoi(g.Param(pm))
+	return value
+}
+
+// 文件下载
+func Download(g *gin.Context, reader io.Reader, filename string) {
+	g.Header("Content-Type", "application/octet-stream")
+	g.Header("Content-Disposition", "attachment; filename="+filename)
+	io.Copy(g.Writer, reader)
+}
+
+// 返回统一成功结果
+func SuccessRes(g *gin.Context, data interface{}) {
+	g.JSON(http.StatusOK, model.Success(data))
+}
+
+// 返回失败结果集
+func ErrorRes(g *gin.Context, err interface{}) {
+	switch t := err.(type) {
+	case *biz.BizError:
+		g.JSON(http.StatusOK, model.Error(t))
+	case error:
+		g.JSON(http.StatusOK, model.ServerError())
+		global.Log.Error(t)
+		// panic(err)
+	case string:
+		g.JSON(http.StatusOK, model.ServerError())
+		global.Log.Error(t)
+		// panic(err)
+	default:
+		global.Log.Error(t)
+	}
+}