package main

import (
    "fmt"
    "reflect"
)

type User struct {
    Id   int
    Name string
}

func (u *User) Call() {
    fmt.Println("user is called ..")
    fmt.Printf("%v\n", u)
}

func To

package main 

import (
    "fmt"
    "net/rpc"
)

type Request struct {
    Num1 int
    Num2 int
}

type Response struct {
    Num int
}

func main() {
    req := Request{Num1: 1, Num2: 2}
    client, err := rpc.DialHTTP("tcp", ":8080") //

// 声明protobuf版本
syntax = "proto3";
// option go_package = "path;name";  path 表示生成的go文件的存放地址，会自动生成目录
// name表示生成的go文件所属的包名
option go_package = "/hello_grpc";
package hello_grpc;

message HelloRequest {
    string name = 1;
    string message = 

go run main.go

go get -u gorm.io/gorm

go get -u gorm.io/driver/mysql

package appinit

import (
    appglobal "gin_gorm_mark_vscode/applications/app_global"

    "gorm.io/driver/mysql"
    "gorm.io/gorm"
    "gorm.io/gorm/logger&quo

go get -u "gopkg.in/yaml.v3"

mysql:
  host: 47.120.55.99
  port: 3306
  db: go_test
  user: root
  password: chenhaifeng
  log_level: dev
  config: ""

system:
  host: "0.0.0.0"
  port: 8080
  env: debug

type Config struct

pip install alembic 

alembic init alembic

sqlalchemy.url = mysql+pymysql://root:chenhaifeng@47.120.55.99:3306/fastapi

# target_metadata = mymodel.Base.metadata
from applications.extensions import metadata
from applications.models im

pip install databases
pip install databases[aiomysql]
pip install pymysql

from typing import List

import databases
import sqlalchemy
from fastapi import FastAPI
from pydantic import BaseModel

DATABASE_URL = "mysql+pymysql://root:chenhaifeng@

go get -u "github.com/gin-gonic/gin"

go run main.go

go mod init xxxx包名

# windows中终端输入
go env -w GOPROXY=https://proxy.golang.com.cn,direct