用Gin测试CORS中间件

import (
    "github.com/gin-gonic/gin"
    "github.com/gin-contrib/cors"
)

router := gin.Default()

config := cors.DefaultConfig()
config.AllowOrigins = []string{"http://example.com"} // 允许的源地址
config.AllowMethods = []string{"GET", "POST", "PUT", "DELETE"} // 允许的HTTP方法
config.AllowHeaders = []string{"Origin", "Content-Type"} // 允许的请求头
router.Use(cors.New(config))

router.GET("/api/data", func(c *gin.Context) {
    c.JSON(200, gin.H{"message": "Hello, World!"})
})

router.Run(":8080")