考勤时间计算

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package main
 
import (
    "encoding/json"
    "fmt"
    "io/ioutil"
    "os"
    "strconv"
    "time"
)
 
type ResponseStruct struct {
    Signs []Sign `json:"signs"`
}
 
type Sign struct {
    InTime  string `json:"inTime"`
    OutTime string `json:"outTime"`
    WorkDay bool   `json:"workDay"`
}
 
func main() {
    jsonFile, err := os.Open("data.json")
    if err != nil {
        fmt.Println(err)
    }
    defer jsonFile.Close()
 
    byteValue, err := ioutil.ReadAll(jsonFile)
    if err != nil {
        fmt.Printf("ReadAll error: %s\n", err)
    }
 
    var response ResponseStruct
 
    err = json.Unmarshal(byteValue, &response)
    if err != nil {
        fmt.Println(err)
    }
 
    data, err := json.MarshalIndent(response.Signs, "", "    ")
    if err != nil {
        fmt.Printf("JSON marshaling failed: %s", err)
    }
 
    fmt.Printf("%s\n", data)
    layout := "2006-01-02 15:04:05"
 
    var sum_minute int = 0
    var sum_hour float32 = 0.0
    var sum_minute2 int = 0
    var sum_hour2 float32 = 0.0
    var monthString string
    fmt.Printf("Please enter the KaoQin month: ")
    fmt.Scanln(&monthString)
 
    for _, value := range response.Signs {
        var KaoqinMonth time.Month
        Kaoqin, err := strconv.Atoi(monthString)
        if err != nil {
            fmt.Println(err)
        }
        KaoqinMonth = time.Month(Kaoqin)
        //工作日加班时长
        if value.WorkDay && value.OutTime != "" {
            formatTime, err := time.Parse(layout, value.OutTime)
            fmt.Printf("工作日：%v\n", formatTime)
            if err != nil {
                fmt.Println("%s", err)
            }
            if formatTime.Month() == KaoqinMonth {
                if formatTime.Hour() >= 18 {
                    sum_minute += formatTime.Minute()
                    sum_hour += float32(formatTime.Hour() - 18)
                }
 
            }
            if KaoqinMonth == 12 {
                KaoqinMonth = 0
            }
            if formatTime.Month() == KaoqinMonth+1 && formatTime.Day() <= 19 {
                if formatTime.Hour() >= 18 {
                    sum_minute += formatTime.Minute()
                    sum_hour += float32(formatTime.Hour() - 18)
                }
            }
            if formatTime.Month() == KaoqinMonth+1 && formatTime.Day() >= 20 {
                if formatTime.Hour() >= 18 {
                    sum_minute2 += formatTime.Minute()
                    sum_hour2 += float32(formatTime.Hour() - 18)
                }
            }
 
        }
 
        //周末加班时长
        if !value.WorkDay && value.OutTime != "" {
            startTime, err := time.Parse(layout, value.InTime)
            if err != nil {
                fmt.Println("%s", err)
            }
 
            endTime, err := time.Parse(layout, value.OutTime)
            if err != nil {
                fmt.Println("%s", err)
            }
 
            fmt.Printf("周末：\nstartTime: %s\nendTime: %s\n", startTime, endTime)
            if startTime.Month() == KaoqinMonth {
                sum_minute += 60 + endTime.Minute() - startTime.Minute()
                sum_hour += float32(endTime.Hour() - startTime.Hour() - 1)
            }
            if KaoqinMonth == 12 {
                KaoqinMonth = 0
            }
            if startTime.Month() == KaoqinMonth+1 && startTime.Day() <= 19 {
                sum_minute += 60 + endTime.Minute() - startTime.Minute()
                sum_hour += float32(endTime.Hour() - startTime.Hour() - 1)
            }
            if startTime.Month() == KaoqinMonth+1 && startTime.Day() >= 20 {
                sum_minute2 += 60 + endTime.Minute() - startTime.Minute()
                sum_hour2 += float32(endTime.Hour() - startTime.Hour() - 1)
            }
        }
    }
    sum_hour += float32(sum_minute) / 60.0
    sum_hour2 += float32(sum_minute2) / 60.0
    fmt.Printf("last month and current month <= 19 sum_hour = %f\n", sum_hour)
    fmt.Printf("current month >= 20 sum_hour2 = %f\n", sum_hour2)
}