Golang date to string, modeled after the date format structure in Java

 1, date format collection, date-to-string method

Package Utilimport ("Strings" "Time")//date format: Mimic struct in Java type Datestyle stringconst (mm_dd = "Mm-dd "Yyyymm =" yyyymm "yyyy_mm =" yyyy-mm "yyyy_mm_dd =" y                    Yyy-mm-dd "YYYYMMDD =" YYYYMMDD "YYYYMMDDHHMMSS =" Yyyymmddhhmmss "yyyymmddhhmm = "YYYYMMDDHHMM" YYYYMMDDHH = "yyyymmddhh" YYMMDDHHMM = "YYMMDDHHMM"                mm_dd_hh_mm = "Mm-dd hh:mm" MM_DD_HH_MM_SS = "Mm-dd HH:mm:ss" yyyy_mm_dd_hh_mm = "Yyyy-mm-dd hh:mm" YYYY_MM_DD_HH_MM_SS = "Yyyy-mm-dd HH:mm:ss" yyyy_mm_dd_hh_mm_ss_sss = "yyyy- Mm-dd HH:mm:ss. SSS "mm_dd_en =" mm/dd "yyyy_mm_en =" yyyy/mm "yyyy_mm_dd_en = "YYYY/MM/DD" mm_dd_hh_mm_en = "Mm/dd hh:mm" mm_dd_hh_mm_ss_en = "Mm/dd HH:mm:ss" yyyy_mm_dd_hh   _mm_en          = "Yyyy/mm/dd hh:mm" yyyy_mm_dd_hh_mm_ss_en = "Yyyy/mm/dd HH:mm:ss" yyyy_mm_dd_hh_mm_ss_sss_en = "yy Yy/mm/dd HH:mm:ss.                   SSS "MM_DD_CN =" mm month DD Day "YYYY_MM_CN =" YYYY mm month "Yyyy_mm_dd_cn = "YYYY mm month dd Day" MM_DD_HH_MM_CN = "mm DD Day hh:mm" MM_DD_HH_MM_SS_CN = "mm month DD Day HH:MM:SS" yyyy_mm_                           DD_HH_MM_CN = "YYYY mm month DD Day hh:mm" YYYY_MM_DD_HH_MM_SS_CN = "YYYY year mm month DD Day HH:MM:SS" hh_mm = "hh:mm" HH_MM_SS = "HH:mm:ss" Hh_mm_ss_ms = "HH:mm:ss. SSS ")//date to string func formatdate (date time. Time, Datestyle Datestyle) string {layout: = string (datestyle) layout = strings. Replace (Layout, "yyyy", "2006", 1) layout = strings. Replace (Layout, "yy", ",", 1) layout = strings. Replace (Layout, "MM", "strings", 1) layout =. Replace (Layout, "DD", "strings", 1) layout =. Replace (Layout, ' HH ', ' 1 ', ' layout = Strings '). Replace (Layout, "MM", "04", 1) layout = strings. Replace (Layout, "SS", "on", 1) layout = strings. Replace (Layout, "SSS", "$",-1) return date. Format (Layout)}

2. Test code

Package Mainimport ("FMT" "Time" "Util") Func main () {FMT. Println (util. FormatDate (time. Now (), Util. HH_MM)) Fmt. Println (util. FormatDate (time. Now (), Util. HH_MM_SS)) Fmt. Println (util. FormatDate (time. Now (), Util. Hh_mm_ss_ms)) Fmt. Println (util. FormatDate (time. Now (), Util. MM_DD)) Fmt. Println (util. FormatDate (time. Now (), Util. MM_DD_CN)) Fmt. Println (util. FormatDate (time. Now (), Util. mm_dd_en)) Fmt. Println (util. FormatDate (time. Now (), Util. MM_DD_HH_MM)) Fmt. Println (util. FormatDate (time. Now (), Util. MM_DD_HH_MM_CN)) Fmt. Println (util. FormatDate (time. Now (), Util. mm_dd_hh_mm_en)) Fmt. Println (util. FormatDate (time. Now (), Util. MM_DD_HH_MM_SS)) Fmt. Println (util. FormatDate (time. Now (), Util. MM_DD_HH_MM_SS_CN)) Fmt. Println (util. FormatDate (time. Now (), Util. mm_dd_hh_mm_ss_en)) Fmt. Println (util. FormatDate (time. Now (), Util. YYMMDDHHMM)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYYMM)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYYMMDD)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYYMMDDHH)) Fmt. Println (util. FoRmatdate (time. Now (), Util. YYYYMMDDHHMM)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYYMMDDHHMMSS)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYY_MM)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYY_MM_CN)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYY_MM_DD)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYY_MM_DD_CN)) Fmt. Println (util. FormatDate (time. Now (), Util. yyyy_mm_dd_en)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYY_MM_DD_HH_MM)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYY_MM_DD_HH_MM_CN)) Fmt. Println (util. FormatDate (time. Now (), Util. yyyy_mm_dd_hh_mm_en)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYY_MM_DD_HH_MM_SS)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYY_MM_DD_HH_MM_SS_CN)) Fmt. Println (util. FormatDate (time. Now (), Util. yyyy_mm_dd_hh_mm_ss_en)) Fmt. Println (util. FormatDate (time. Now (), Util. YYYY_MM_DD_HH_MM_SS_SSS)) Fmt. Println (util. FormatDate (time. Now (), Util. yyyy_mm_dd_hh_mm_ss_sss_en)) Fmt. Println (util. FormatDate (time. Now (), Util. yyyy_mm_en)) Fmt. Println (Util. FormatDate (time. Now (), "Yyyy/mm/dd HH:mm:ss. Sssssssss ")) fmt. Println (util. FormatDate (time. Now (), "2006 01 02 15:04:05.00000000")}

Execution Result:

15:3015:30:5715:30:57.57706-0606月06日06/0606-06 15:3006月06日 15:3006/06 15:3006-06 15:30:5706月06日 15:30:5706/06 15:30:571806061530201806201806062018060615201806061530201806061530572018-062018年06月2018-06-062018年06月06日2018/06/062018-06-06 15:302018年06月06日 15:302018/06/06 15:302018-06-06 15:30:572018年06月06日 15:30:572018/06/06 15:30:572018-06-06 15:30:57.5772018/06/06 15:30:57.5772018/062018/06/06 15:30:57.5770652002018 06 06 15:30:57.57706520

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