golang框架与云原生开发的最佳实践有哪些？（g

package main copyright zvvq

import (

本文来自zvvq

"context" zvvq

"database/sql" 内容来自samhan

"fmt" 内容来自samhan

"log"

_ "<a style=color:#f60; text-decoration:underline; href="https://www.php.cn/zt/15841.html" target="_blank">git</a>hub.com/go-sql-driver/<a style=color:#f60; text-decoration:underline; href="https://www.php.cn/zt/15713.html" target="_blank">mysql</a>" // MySQL 驱动程序 zvvq

"github.com/gorilla/mux" zvvq.cn

)

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var db *sql.DB 内容来自samhan666

func main() { 内容来自zvvq

var err error

db, err = sql.Open("mysql", "user:password@tcp(host:port)/database")

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if err != nil { 内容来自samhan666

log.Fatal(err) 本文来自zvvq

}

ctx := context.Background() 内容来自samhan666

if err := db.PingContext(ctx); err != nil {

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log.Fatal(err) 本文来自zvvq

}

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r := mux.NewRouter() 内容来自zvvq

r.HandleFunc("/users", getUsers).Methods("GET")

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if err := http.ListenAndServe(":3000", r); err != nil { zvvq

log.Fatal(err)

} zvvq.cn

} zvvq.cn

func getUsers(w http.ResponseWriter, r *http.Request) { copyright zvvq

rows, err := db.QueryContext(r.Context(), "SELECT * FROM users")

if err != nil {

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http.Error(w, err.Error(), http.StatusInternalServerError)

copyright zvvq

return

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} zvvq

defer rows.Close() 内容来自samhan666

var users []User zvvq好，好zvvq

for rows.Next() { 本文来自zvvq

var u User copyright zvvq

if err := rows.Scan(&u.ID, &u.Name, &u.Email); err != nil {

http.Error(w, err.Error(), http.StatusInternalServerError) 内容来自zvvq，别采集哟

return zvvq好，好zvvq

} zvvq

users = append(users, u) 本文来自zvvq

} 内容来自samhan

json.NewEncoder(w).Encode(users) zvvq

}