新增了上传oss图片

api/controller/public.go

@@ -2,7 +2,10 @@ package controller
 
 import (
 	"github.com/gin-gonic/gin"
+	"knowledge/api/requests"
 	"knowledge/api/responses"
+	"knowledge/extend/aliyun"
+	"knowledge/global"
 	"knowledge/utils"
 )
 
@@ -20,3 +23,31 @@ func (b *Public) GetCaptcha(c *gin.Context) {
 		"b64s": b64s,
 	}, c)
 }
+
+// GetOssSign 获取oss签名
+func (b *Public) GetOssSign(c *gin.Context) {
+	publicRequest := requests.PublicRequest{}
+	req := publicRequest.GetOssSign
+	if err := c.ShouldBind(&req); err != nil {
+		responses.FailWithMessage(err.Error(), c)
+		return
+	}
+
+	// 参数验证
+	if err := global.Validate.Struct(req); err != nil {
+		responses.FailWithMessage(utils.Translate(err), c)
+		return
+	}
+
+	// 获取oss签名
+	dir := "question/"
+
+	// 生成签名
+	ossSign, err := aliyun.GetOssSign(dir)
+	if err != nil {
+		responses.FailWithMessage("获取签名失败", c)
+		return
+	}
+
+	responses.OkWithData(ossSign, c)
+}