| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576 | package mainimport (	"context"	"flag"	"fmt"	"github.com/longjoy/micro-go-course/section10/user/dao"	"github.com/longjoy/micro-go-course/section10/user/endpoint"	"github.com/longjoy/micro-go-course/section10/user/redis"	"github.com/longjoy/micro-go-course/section10/user/service"	"github.com/longjoy/micro-go-course/section10/user/transport"	"log"	"net/http"	"os"	"os/signal"	"strconv"	"syscall"	"time")func main()  {	var (		// 服务地址和服务名		servicePort = flag.Int("service.port", 10086, "service port")		//waitTime = flag.Int("wait.time", 10, "wait time")	)	flag.Parse()	time.Sleep(10 * time.Second) // 延时启动,等待 MySQL 和 Redis 准备好	ctx := context.Background()	errChan := make(chan error)	err := dao.InitMysql("127.0.0.1", "3306", "root", "123456", "user")	if err != nil{		log.Fatal(err)	}	err = redis.InitRedis("127.0.0.1","6379", "" )	if err != nil{		log.Fatal(err)	}	userService := service.MakeUserServiceImpl(&dao.UserDAOImpl{})	userEndpoints := &endpoint.UserEndpoints{		endpoint.MakeRegisterEndpoint(userService),		endpoint.MakeLoginEndpoint(userService),	}	r := transport.MakeHttpHandler(ctx, userEndpoints)	go func() {		errChan <- http.ListenAndServe(":"  + strconv.Itoa(*servicePort), r)	}()	go func() {		// 监控系统信号,等待 ctrl + c 系统信号通知服务关闭		c := make(chan os.Signal, 1)		signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)		errChan <- fmt.Errorf("%s", <-c)	}()	error := <-errChan	log.Println(error)}
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