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Open-IM-Server/internal/cms_api/middleware/cors.go

24 lines
1.5 KiB

package middleware
import (
"github.com/gin-gonic/gin"
"net/http"
)
func CorsHandler() gin.HandlerFunc {
return func(context *gin.Context) {
context.Writer.Header().Set("Access-Control-Allow-Origin", "*")
context.Header("Access-Control-Allow-Methods", "*")
context.Header("Access-Control-Allow-Headers", "*")
context.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers,Cache-Control,Content-Language,Content-Type,Expires,Last-Modified,Pragma,FooBar") // 跨域关键设置 让浏览器可以解析
context.Header("Access-Control-Max-Age", "172800") // 缓存请求信息 单位为秒
context.Header("Access-Control-Allow-Credentials", "false") // 跨域请求是否需要带cookie信息 默认设置为true
context.Header("content-type", "application/json") // 设置返回格式是json
//Release all option pre-requests
if context.Request.Method == http.MethodOptions {
context.JSON(http.StatusOK, "Options Request!")
}
context.Next()
}
}