1. package main
    3. import (
    4.     "fmt"
    5.     "net/http"
    6.     "os"
    7.     "time"
    9.     "github.com/gin-gonic/gin"
    10. )
    12. func Cors() gin.HandlerFunc {
    13.     return func(c *gin.Context) {
    14.         method := c.Request.Method
    15.         //fmt.Println(method)
    16.         c.Header("Access-Control-Allow-Origin", "*")
    17.         c.Header("Access-Control-Allow-Headers", "Content-Type,AccessToken,X-CSRF-Token, Authorization, Token, x-requested-with")
    18.         c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, PATCH, DELETE")
    19.         c.Header("Access-Control-Allow-Credentials", "true")
    20.         c.Header("Access-Control-Expose-Headers", "Content-Type,Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers")
    22.         // 放行所有OPTIONS方法，因为有的模板是要请求两次的
    23.         if method == "OPTIONS" {
    24.             c.AbortWithStatus(http.StatusNoContent)
    25.         }
    26.         // 处理请求
    27.         c.Next()
    28.     }
    29. }
    31. func main() {
    32.     r := gin.Default()
    33.     r.Use(Cors())
    35.     // 导入账号接口
    36.     r.POST("/account/import", func(c *gin.Context) {
    37.         file, _ := c.FormFile("file")
    38.         dir_path := "./runtime/"
    39.         file_path := fmt.Sprintf("%s %d %s", dir_path, (time.Now()).Unix(), file.Filename)
    40.         os.Mkdir("./runtime", os.ModePerm)  // 创建文件夹
    41.         c.SaveUploadedFile(file, file_path) // 保存上传文件到指定路径
    43.         c.JSON(200, gin.H{
    44.             "fileName": file.Filename,
    45.         })
    46.     })
    47.     //
    48.     r.Run(":80") // Run("里面不指定端口号默认为8080")
    49. }

    参考 https://blog.csdn.net/u010918487/article/details/82686293