Golang time conversion: in-depth analysis of time formatting

Golang time conversion: detailed explanation of time formatting operation

In the Go language, time processing is a common requirement, and time formatting operation is one of the important ones link. This article will introduce time conversion and formatting operations in Golang, including time parsing, formatting, time zone conversion, etc., and use specific code examples to help readers better understand.

1. Time analysis

In the Go language, the time format has certain specifications, the most common one is the RFC3339 specification. The following is a sample code for time analysis:

package main

import (
    "fmt"
    "time"
)

func main() {
    timeStr := "2021-09-15T14:30:00Z"
    parsedTime, err := time.Parse(time.RFC3339, timeStr)
    if err != nil {
        fmt.Println("时间解析错误:", err)
        return
    }
    fmt.Println("解析后的时间:", parsedTime)
}

Run the above code, the output result should be:

解析后的时间: 2021-09-15 14:30:00 +0000 UTC

2. Formatting of time

The formatting of time is to Convert time to a string in a specified format. The following is a sample code for time formatting:

package main

import (
    "fmt"
    "time"
)

func main() {
    t := time.Now()
    formattedTime := t.Format("2006-01-02 15:04:05")
    fmt.Println("格式化后的时间:", formattedTime)
}

Run the above code, and the output result should be a formatted string of the current time.

3. Time zone conversion

In the Go language, time zone conversion requires the use of the time.LoadLocation function to load time zone information. The following is a sample code for time zone conversion:

package main

import (
    "fmt"
    "time"
)

func main() {
    loc, _ := time.LoadLocation("Asia/Shanghai")
    t := time.Now().In(loc)
    fmt.Println("转换后的时间:", t)
}

Run the above code, the output result should be the time in the "Asia/Shanghai" time zone.

Conclusion

Through the introduction and sample code of this article, readers should understand how to perform time conversion and formatting operations in the Go language. In actual development, it is very important to handle time reasonably. I hope this article will be helpful to readers.

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