10-11

day06/log_demo/main.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"project/day06/mylogger_test"
+	"time"
+)
+
+// type logger struct {
+// }
+
+// func Newlog()Logger {
+// 	return Logger{}
+// }
+
+func main() {
+	// fileObj, err := os.OpenFile("./xx.log", os.O_APPEND|os.O_CREATE, 0644)
+	// if err != nil {
+	// 	fmt.Printf("error:%v", err)
+	// 	return
+	// }
+	//debug
+	//trace
+	//info
+	//warning
+	//error
+	//fatal
+
+	//日志要支持开关
+	//日志要有时间、行号、文件名、日志级别、日志信息
+
+	//日志文件要切割
+	log := mylogger_test.NewLog()
+	for {
+		log.Debug("这是一条Debug log")
+		log.Info("这是一条info log")
+		log.Warning("这是一条warning log")
+		log.Error("error")
+		time.Sleep(time.Second * 3)
+	}
+}

day06/mylogger_test/console.go

@@ -0,0 +1,29 @@
+package mylogger_test
+
+import "fmt"
+
+//logger 日志结构体
+type Logger struct {
+}
+
+//Newlog 构造函数
+
+func NewLog() Logger {
+	return Logger{}
+}
+
+func (l Logger) Debug(msg string) {
+	fmt.Println(msg)
+}
+func (l Logger) Info(msg string) {
+	fmt.Println(msg)
+}
+func (l Logger) Warning(msg string) {
+	fmt.Println(msg)
+}
+func (l Logger) Error(msg string) {
+	fmt.Println(msg)
+}
+func (l Logger) Fatal(msg string) {
+	fmt.Println(msg)
+}

day06/time/main.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func main() {
+	now := time.Now()
+	fmt.Println(now.Year())
+	fmt.Println(now)
+	fmt.Println(now.Date())
+	fmt.Println(time.Unix(1564803667, 0))
+
+	//时间间隔
+	fmt.Println(time.Second)
+	//now +24小时
+	fmt.Println(now.Add(24 * time.Millisecond * 1000 * 60 * 60))
+
+	//格式化时间
+	t, _ := time.Parse(time.Stamp, "Jan 11,2024 at 7.12am(PST)")
+	fmt.Println(time.Stamp)
+	fmt.Println(t)
+	//按照对应的格式解析字符串类型的时间
+	timeObj, err := time.Parse("2006-01-02", "2019-08-03")
+	if err != nil {
+		fmt.Printf("parse time failed,err:%v\n", err)
+		return
+	}
+	fmt.Println(timeObj)
+	fmt.Println(timeObj.Unix())
+	//sub 两个时间相减
+	nextYear, err := time.Parse("2006-01-02", "2024-10-11")
+	if err != nil {
+		fmt.Printf("parse time failed,err:%v\n", err)
+		return
+	}
+	d := now.Sub(nextYear)
+	fmt.Println(d)
+	fmt.Println("------------------")
+	nextYear1 := nextYear.UTC()
+	fmt.Println(nextYear1)
+	fmt.Println("-----------")
+	time.Sleep(time.Duration(100) * time.Second)
+	fmt.Println("100s has gone")
+}

day06/zone/main.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+// func f1() {
+// }
+
+func f2() {
+	now := time.Now() //当前时间
+	fmt.Println(now)
+
+	//根据东八区的时区和格式去解析一个字符串格式的时间
+	//根据字符串加载时区
+	loc, err := time.LoadLocation("Asia/Shanghai")
+	if err != nil {
+		if err != nil {
+			fmt.Printf("locate time failed,err:%v\n", err)
+			return
+		}
+	}
+	//按照指定时区解析时间
+	timeObj, err := time.ParseInLocation("2006-01-02 15:04:05", "2024-10-11 19:59:00", loc)
+	if err != nil {
+		fmt.Printf("parse time failed,err:%v\n", err)
+		return
+	}
+	fmt.Println(timeObj)
+	td := timeObj.Sub(now)
+	fmt.Println(td)
+}
+
+func main() {
+	f2()
+}