Go实现图书管理实现 Go+Gorm MVC结构

package controllers import ( "bookstore/pkg/models" "bookstore/pkg/utils" "encoding/json" "fmt" "github.com/gorilla/mux" "net/http" "strconv" ) var NewBook models.Book func GetBook(w http.ResponseWriter, r *http.Request) { newBooks := models.GetAllBooks() // 返回的是一个Book结构体 res, _ := json.Marshal(newBooks) w.Header().Set("Content-Type", "application/json") w.WriteHeader(http.StatusOK) w.Write(res) } func GetBookById(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) bookid := vars["bookId"] ID, err := strconv.ParseInt(bookid, 0, 0) if err != nil { fmt.Println("error while parsing") } bookDetails, _ := models.GetBookById(ID) res, _ := json.Marshal(bookDetails) w.Header().Set("Content-Type", "application/json") w.WriteHeader(http.StatusOK) w.Write(res) } func CreateBook(w http.ResponseWriter, r *http.Request) { CreateBook := &models.Book{} utils.ParseBody(r, CreateBook) b := CreateBook.CreateBook() res, _ := json.Marshal(b) w.WriteHeader(http.StatusOK) w.Write(res) } func DeleteBook(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) bookid := vars["bookId"] ID, err := strconv.ParseInt(bookid, 0, 0) if err != nil { fmt.Println("error while parsing") } book := models.DeleteBook(ID) res, _ := json.Marshal(book) w.Header().Set("Content-Type", "application/json") w.WriteHeader(http.StatusOK) w.Write(res) } func UpdateBook(w http.ResponseWriter, r *http.Request) { var updateBook = &models.Book{} utils.ParseBody(r, updateBook) vars := mux.Vars(r) bookId := vars["bookId"] ID, err := strconv.ParseInt(bookId, 0, 0) if err != nil { fmt.Println("error while parsing") } booksDetails, db := models.GetBookById(ID) if updateBook.Name != "" { booksDetails.Name = updateBook.Name } if updateBook.Author != "" { booksDetails.Author = updateBook.Author } if updateBook.Publication != "" { booksDetails.Publication = updateBook.Publication } db.Save(&booksDetails) res, _ := json.Marshal(booksDetails) w.Header().Set("Content-Type", "application/json") w.WriteHeader(http.StatusOK) w.Write(res) }