https://excelight.github.io/tags/golang/ Recent content in Golang on Excelight's Blog Hugo -- gohugo.io en Mon, 22 May 2017 16:09:35 +0800 https://excelight.github.io/posts/golang_12_best_practices/ Mon, 22 May 2017 16:09:35 +0800 https://excelight.github.io/posts/golang_12_best_practices/ 参考视频：https://www.youtube.com/watch?v=8D3Vmm1BGoY 1. 避免过多的嵌套 先判断错误，错误后直接返回，而不要在错误的if块内写后续逻辑 2. 尽量避免重复 3. 使用type switch来处理类型 调用方不用关心v的类型，不用提前转换 switch v.(type) { case string: ... case int: ... default: ... } 4. function adapter func init() { http.HandleFunc("/", handler) } func handler(w http.ResponseWriter, r *http.Request) { err := doThis() if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) log.Printf("handling %q: %v", r.RequestURI, err) return } err := doThat() if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) log.Printf("handling %q: %v", r.