init: taotie-api 项目初始化

api/middleware/corsMiddleware.go

@@ -0,0 +1,19 @@
+package middleware
+
+import (
+	"time"
+
+	"github.com/gin-contrib/cors"
+	"github.com/gin-gonic/gin"
+)
+
+func Cors() gin.HandlerFunc {
+	return cors.New(cors.Config{
+		AllowOrigins:     []string{"*"},                                                              // 允许所有来源（生产环境不建议使用）
+		AllowMethods:     []string{"GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS"},               // 允许的请求方法
+		AllowHeaders:     []string{"Origin", "Content-Type", "Accept", "Authorization"},              // 允许的请求头部
+		ExposeHeaders:    []string{"Content-Length", "Access-Control-Allow-Origin", "Authorization"}, // 允许客户端获取的响应头部
+		AllowCredentials: true,                                                                       // 允许携带 Cookie
+		MaxAge:           12 * time.Hour,                                                             // 预检请求的缓存时间
+	})
+}