You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
858 B
Go
27 lines
858 B
Go
package middleware
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"github.com/labstack/echo/v4"
|
|
)
|
|
|
|
// Cors 处理跨域请求,支持options访问
|
|
func Cors() echo.MiddlewareFunc {
|
|
return func(next echo.HandlerFunc) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
c.Response().Header().Set("Access-Control-Allow-Origin", "*")
|
|
c.Response().Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE, UPDATE")
|
|
c.Response().Header().Set("Access-Control-Allow-Headers", "*")
|
|
c.Response().Header().Set("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Cache-Control, Content-Language, Content-Type")
|
|
//放行所有OPTIONS方法
|
|
method := c.Request().Method
|
|
if method == "OPTIONS" {
|
|
return c.NoContent(http.StatusNoContent)
|
|
}
|
|
// 处理请求
|
|
return next(c)
|
|
}
|
|
}
|
|
}
|