用chatgpt编写的golang实现mysql增删改查restful接口代码-golang代码-BFW代码库

用chatgpt编写的golang实现mysql增删改查restful接口代码

代码语言：golang

所属分类：其他

代码描述：用chatgpt编写的golang实现mysql增删改查restful接口代码，完全有chatgpt编写和修复bug异常，按照你的指令自动生成代码。

代码标签： chatgpt golang mysql 增删改查 restful 接口代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

package main

import (
    "database/sql"
    "encoding/json"
    "log"
    "net/http"
    "strconv"

    "github.com/gorilla/mux"
    _ "github.com/go-sql-driver/mysql"
)

type User struct {
    ID       int    `json:"id"`
    Username string `json:"username"`
    Email    string `json:"email"`
}

var db *sql.DB

func main() {
    var err error
    db, err = sql.Open("mysql", "username:password@tcp(127.0.0.1:3306)/database_name")
    if err != nil {
        log.Fatal(err)
    }
    defer db.Close()

    router := mux.NewRouter()
    router.HandleFunc("/users", getUsers).Methods("GET")
    router.HandleFunc("/users/{id}", getUser).Methods("GET")
    router.HandleFunc("/users", createUser).Methods("POST")
    router.HandleFunc("/users/{id}", updateUser).Methods("PUT")
    router.HandleFunc("/users/{id}", deleteUser).Methods("DELETE")

    log.Fatal(http.ListenAndServe(":8000", router))
}

func getUsers(w http.ResponseWriter, r *http.Request) {
    rows, err := db.Query("SELECT * FROM users")
    if err != nil {
        log.Println(err)
        w.WriteHeader(http.StatusInternalServerError)
        return
    }
    defer rows.Close()

    var users []User
    for rows.Next() {
        var user User
        err := rows.Scan(&user.ID, &user.Username, &user.Email)
        if err != nil {
            log.Println(err)
            w.WriteHeader(http.StatusInternalServerError)
            return
        }
        users = append(users, user)
    }

    w.Header().Set("Content-Type", "application/json")
    json.NewEncoder(w).Encode(users)
}

func getUser(w http.ResponseWriter, r *http.Request) {
    params := mux.Vars(r)
    id, err := strconv.Atoi(params["id"])
    if err != nil {
        log.Println(err)
        w.WriteHeader(http.StatusBadRequest)
        return
    }

    row := db.QueryRow("SELECT * FROM users WHERE id = ?", id)

    var user User
    err = row.Scan(&user.ID, &user.Username, &user.Email)
    if err != nil {
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