初始版本,工具基础类

examples/middleware_example.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/go-common/datetime"
+	"github.com/go-common/http"
+	"github.com/go-common/middleware"
+)
+
+// 示例：使用CORS和时区中间件
+func main() {
+	// 配置CORS
+	corsConfig := &middleware.CORSConfig{
+		AllowedOrigins: []string{"*"},
+		AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
+		AllowedHeaders: []string{
+			"Content-Type",
+			"Authorization",
+			"X-Requested-With",
+			"X-Timezone",
+		},
+		AllowCredentials: false,
+		MaxAge:           3600,
+	}
+
+	// 创建中间件链
+	chain := middleware.NewChain(
+		middleware.CORS(corsConfig),
+		middleware.Timezone,
+	)
+
+	// 定义处理器
+	handler := chain.ThenFunc(apiHandler)
+
+	// 注册路由
+	http.Handle("/api", handler)
+
+	log.Println("Server started on :8080")
+	log.Println("Try: curl -H 'X-Timezone: America/New_York' http://localhost:8080/api")
+	log.Fatal(http.ListenAndServe(":8080", nil))
+}
+
+// apiHandler 处理API请求
+func apiHandler(w http.ResponseWriter, r *http.Request) {
+	// 从context获取时区
+	timezone := http.GetTimezone(r)
+
+	// 使用时区进行时间处理
+	now := datetime.Now(timezone)
+	startOfDay := datetime.StartOfDay(now, timezone)
+	endOfDay := datetime.EndOfDay(now, timezone)
+
+	// 返回响应
+	http.Success(w, map[string]interface{}{
+		"message":     "Hello from API",
+		"timezone":    timezone,
+		"currentTime": datetime.FormatDateTime(now),
+		"startOfDay":  datetime.FormatDateTime(startOfDay),
+		"endOfDay":    datetime.FormatDateTime(endOfDay),
+	})
+}
+