字节 Go 郎求职攻略:简历准备:突出 Go 经验和技能,量化项目成果。笔试复习:刷算法题,掌握 Go 基础和并发特性。面试准备:深入理解 Go,了解字节技术栈,准备项目经历和算法题。实战案例:构建 RESTful API,体现解决问题能力。
Go 郎进字节求职攻略大全
目录
简历准备
笔试复习
面试准备
实战案例
构建一个简单的 Go 语言 RESTful API
package main import ( "encoding/json" "fmt" "net/http" "github.com/gorilla/mux" ) type Person struct { ID int `json:"id"` Name string `json:"name"` } var people []Person func main() { r := mux.NewRouter() r.HandleFunc("/people", getPeople).Methods("GET") r.HandleFunc("/people/{id}", getPerson).Methods("GET") r.HandleFunc("/people", createPerson).Methods("POST") r.HandleFunc("/people/{id}", updatePerson).Methods("PUT") r.HandleFunc("/people/{id}", deletePerson).Methods("DELETE") http.Handle("/", r) http.ListenAndServe(":8080", nil) } func getPeople(w http.ResponseWriter, r *http.Request) { json.NewEncoder(w).Encode(people) } func getPerson(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id := vars["id"] for _, p := range people { if p.ID == id { json.NewEncoder(w).Encode(p) return } } http.Error(w, "Person not found", http.StatusNotFound) } func createPerson(w http.ResponseWriter, r *http.Request) { var p Person json.NewDecoder(r.Body).Decode(&p) p.ID = len(people) + 1 people = append(people, p) json.NewEncoder(w).Encode(p) } func updatePerson(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id := vars["id"] for i, p := range people { if p.ID == id { json.NewDecoder(r.Body).Decode(&p) people[i] = p json.NewEncoder(w).Encode(p) return } } http.Error(w, "Person not found", http.StatusNotFound) } func deletePerson(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) id := vars["id"] for i, p := range people { if p.ID == id { people = append(people[:i], people[i+1:]...) w.WriteHeader(http.StatusNoContent) return } } http.Error(w, "Person not found", http.StatusNotFound) }
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