fix

wangpengfei

2023-08-28 301003bb605007c3e035442de4bced9dd02164bb

 api/v1/test/contract.go

@@ -1,8 +1,11 @@
package test

import (
   "bytes"
   "fmt"
   "github.com/gin-gonic/gin"
   "go.uber.org/zap"
   "net/http"
   "srm/global"
   "srm/model/common/request"
   "srm/model/common/response"
@@ -10,6 +13,7 @@
   testReq "srm/model/test/request"
   "srm/service"
   "strconv"
   "time"
)

type ContractApi struct {
@@ -220,6 +224,63 @@
      //c.Writer.Header().Set("Content-Type", "application/octect-stream")
      //c.Writer.Header().Set("Content-Disposition", "attachment;filename="+contract.FileName)
      //c.Writer.Write(contract.FileContent)
      c.Data(200, "application/octect-stream", contract.FileContent)
      //c.Data(200, "application/octect-stream", contract.FileContent)
      //reader := bytes.NewReader(contract.FileContent)
      //c.DataFromReader(http.StatusOK, int64(len(contract.FileContent)), "application/pdf", reader, map[string]string{"Content-Disposition": fmt.Sprintf("attachment; filename=%s", contract.FileName)})
      reader := bytes.NewReader(contract.FileContent)
      c.Writer.Header().Set("Content-Type", "application/pdf")
      c.Writer.Header().Set("Content-Disposition", "inline; filename="+contract.FileName)
      http.ServeContent(c.Writer, c.Request, contract.FileName, time.Now(), reader)
   }
}

// DownloadContract 下载Contract
// @Tags Contract
// @Summary 下载Contract
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data query test.Contract true "用id查询Contract"
// @Success 200 {string} string "{"success":true,"data":{},"msg":"下载成功"}"
// @Router /con/downloadContract [get]
func (conApi *ContractApi) DownloadContract(c *gin.Context) {
   var con test.Contract
   err := c.ShouldBindQuery(&con)
   if err != nil {
      response.FailWithMessage(err.Error(), c)
      return
   }

   id := c.Query("id")
   if id == "" {
      response.FailWithMessage("id不能为空", c)
      return
   }

   val64, err := strconv.ParseUint(id, 10, 64)
   if err != nil {
      response.FailWithMessage("id格式错误", c)
      return
   }

   // Convert uint64 to uint
   conId := uint(val64)

   contract, err := conService.GetContract(conId)
   if err != nil {
      global.GVA_LOG.Error("获取失败!", zap.Error(err))
      response.FailWithMessage("获取失败", c)
      return
   } else {
      reader := bytes.NewReader(contract.FileContent)
      // 设置必要的头信息
      c.Header("Content-Description", "File Transfer")
      c.Header("Content-Transfer-Encoding", "binary")
      c.Header("Content-Disposition", fmt.Sprintf("attachment; filename=%s", contract.FileName))
      c.Header("Content-Type", "application/pdf")

      // 将文件作为响应体发送
      http.ServeContent(c.Writer, c.Request, contract.FileName, time.Now(), reader)
      c.File(contract.FileName)
   }
}