gomicro/grpcclient/client.go

package main

import (
	"context"
	"encoding/json"
	"fmt"
	pro "gomicr/grpc"
	"google.golang.org/grpc"
)

// 客户端   1，连接服务    2实例化grpc客户端   3发起请求/调用服务
func main() {
	//1，连接服务
	conn, err := grpc.Dial("127.0.0.1:8083", grpc.WithInsecure())
	if err != nil {
		fmt.Println("连接异常：", err)
	}
	defer conn.Close()
	//2实例化grpc客户端
	client := pro.NewSearchServiceClient(conn)
	//3发起请求/调用服务
	req := new(pro.OrderRequest)
	req.ActivityType = 1
	resp, err1 := client.SearchOrder(context.Background(), req)
	if err1 != nil {
		fmt.Println("响应异常err1：", err1)
	} else {
		data, err2 := json.Marshal(resp)
		if err2 != nil {
			fmt.Println("响应异常err2：", err2)
		} else {
			fmt.Println("响应成功：", string(data))
		}
	}

}