import timeprint(time.time()) #鏃堕棿鎴筹細1498025310.887425print(time.strftime("%Y-%m-%d %X")) #鏍煎紡鍖栫殑鏃堕棿瀛楃涓?2017-06-21 14:08:30print(time.localtime()) #鏈湴鏃跺尯鐨剆truct_timeprint(time.gmtime()) #UTC鏃跺尯鐨剆truct_time缁撴灉锛?1498025310.8874252017-06-21 14:08:30time.struct_time(tm_year=2017, tm_mon=6, tm_mday=21, tm_hour=14, tm_min=8, tm_sec=30, tm_wday=2, tm_yday=172, tm_isdst=0)time.struct_time(tm_year=2017, tm_mon=6, tm_mday=21, tm_hour=6, tm_min=8, tm_sec=30, tm_wday=2, tm_yday=172, tm_isdst=0)

涓夎€呯殑杞崲鍏崇郴锛?/p>

璁＄畻鏈鸿璇嗙殑鏃堕棿鍙兘鏄€樻椂闂存埑鈥樻牸寮忥紝鑰岀▼搴忓憳鍙鐞嗙殑鎴栬€呰浜虹被鑳界湅鎳傜殑鏃堕棿鏈? 鈥樻牸寮忓寲鐨勬椂闂村瓧绗︿覆鈥橈紝鈥樼粨鏋勫寲鐨勬椂闂粹€樸€?/p>

import timeprint(time.time())print(time.localtime())#灏嗙粨鏋勫寲鐨勬椂闂磋浆鎹负鏍煎紡鍖栫殑瀛楃涓叉椂闂?/span>print(time.strftime("%Y-%m-%d %X", time.localtime()))#灏嗙粨鏋勫寲鐨勬椂闂磋浆鎹负鏃堕棿鎴?/span>print(time.mktime(time.localtime()))#灏嗘椂闂存埑杞崲涓虹粨鏋勫寲鐨勬椂闂?/span>print(time.localtime(1498025310))#灏嗘牸寮忓寲鐨勫瓧绗︿覆鏃堕棿杞崲涓虹粨鏋勫寲鐨勬椂闂?/span>print(time.strptime("2017-06-21 16:55:36", "%Y-%m-%d %X"))缁撴灉锛?1498035729.0793116time.struct_time(tm_year=2017, tm_mon=6, tm_mday=21, tm_hour=17, tm_min=2, tm_sec=9, tm_wday=2, tm_yday=172, tm_isdst=0)2017-06-21 17:02:091498035729.0time.struct_time(tm_year=2017, tm_mon=6, tm_mday=21, tm_hour=14, tm_min=8, tm_sec=30, tm_wday=2, tm_yday=172, tm_isdst=0)time.struct_time(tm_year=2017, tm_mon=6, tm_mday=21, tm_hour=16, tm_min=55, tm_sec=36, tm_wday=2, tm_yday=172, tm_isdst=-1)

#灏嗙粨鏋勫寲鐨勬椂闂磋浆鎹负瀛楃涓叉椂闂?/strong>print(time.asctime(time.localtime()))print(time.asctime()) #濡傛灉娌℃湁鍙傛暟锛屽皢浼氬皢time.localtime()浣滀负鍙傛暟浼犲叆銆?/span>print(鈥?/span>鎴戞槸鍒嗗壊绾?--------------鈥?/span>)#灏嗘椂闂存埑杞崲涓哄瓧绗︿覆鏃堕棿print(time.ctime(time.time()))print(time.ctime()) #濡傛灉娌℃湁鍙傛暟锛屽皢浼氬皢time.time()浣滀负鍙傛暟浼犲叆銆?/span>缁撴灉锛?Wed Jun 21 22:19:16 2017Wed Jun 21 22:19:16 2017鎴戞槸鍒嗗壊绾?/span>---------------Wed Jun 21 22:19:16 2017Wed Jun 21 22:19:16 2017

浜屻€?random妯″潡

import random print(random.random()) #(0,1)----float 澶т簬0涓斿皬浜?涔嬮棿鐨勫皬鏁?/span> 缁撴灉锛?.3869734571949781print(random.randint(1,3)) #[1,3] 澶т簬绛変簬1涓斿皬浜庣瓑浜?涔嬮棿鐨勬暣鏁?/span> 缁撴灉锛?/span>3print(random.randrange(1,3)) #[1,3) 澶т簬绛変簬1涓斿皬浜?涔嬮棿鐨勬暣鏁?/span> 缁撴灉锛?/span>1print(random.choice([1,鈥?/span>abc鈥?/span>,[鈥?/span>a鈥?/span>,23,鈥?/span>world鈥?/span>]])) #1鎴栬€呪€榓bc鈥樻垨鑰匸鈥榓鈥?23,鈥榳orld鈥榏 缁撴灉锛?/span>[鈥榓鈥? 23, 鈥榳orld鈥榏 print(random.sample([1,鈥?/span>abc鈥?/span>,[鈥?/span>a鈥?/span>,23,鈥?/span>world鈥?/span>]],2)) #鍒楄〃鍏冪礌浠绘剰2涓粍鍚?缁撴灉锛?/span>[[鈥榓鈥? 23, 鈥榳orld鈥榏, 鈥榓bc鈥榏 print(random.uniform(1,3)) #澶т簬1灏忎簬3鐨勫皬鏁?/span> 缁撴灉锛?/span>2.164429956472153 l = [1,2,4,5,9]random.shuffle(l)print(l) #鎵撲贡l鐨勯『搴?鐩稿綋浜?娲楃墝"[5, 2, 9, 4, 1]

鐢熸垚闅忔満楠岃瘉鐮佸疄渚嬶細

import randomdef verify_code():    res = ""    for i in range(5):        res1 = random.randint(1,9)        res2 = chr(random.randint(97,122))        res3 = chr(random.randint(65,90))        res4 = random.choice([str(res1),res2,res3])        res +=res4    return resprint(verify_code())缁撴灉锛?IcglH

涓?銆乷s妯″潡

os妯″潡鏄笌鎿嶄綔绯荤粺浜や簰鐨勪竴涓帴鍙?/p>

闇€瑕佹帉鎻＄殑搴旂敤锛?/p>

os.getcwd() 鑾峰彇褰撳墠宸ヤ綔鐩綍锛屽嵆褰撳墠python鑴氭湰宸ヤ綔鐨勭洰褰曡矾寰?os.chdir("dirname")  鏀瑰彉褰撳墠鑴氭湰宸ヤ綔鐩綍锛涚浉褰撲簬shell涓媍dos.makedirs(鈥?/span>dirname1/dirname2鈥?/span>)    鍙敓鎴愬灞傞€掑綊鐩綍os.removedirs(鈥?/span>dirname1鈥?/span>)    鑻ョ洰褰曚负绌猴紝鍒欏垹闄わ紝骞堕€掑綊鍒颁笂涓€绾х洰褰曪紝濡傝嫢涔熶负绌猴紝鍒欏垹闄わ紝渚濇绫绘帹os.mkdir(鈥?/span>dirname鈥?/span>)    鐢熸垚鍗曠骇鐩綍锛涚浉褰撲簬shell涓璵kdir dirnameos.rmdir(鈥?/span>dirname鈥?/span>)    鍒犻櫎鍗曠骇绌虹洰褰曪紝鑻ョ洰褰曚笉涓虹┖鍒欐棤娉曞垹闄わ紝鎶ラ敊锛涚浉褰撲簬shell涓璻mdir dirnameos.listdir(鈥?/span>dirname鈥?/span>)    鍒楀嚭鎸囧畾鐩綍涓嬬殑鎵€鏈夋枃浠跺拰瀛愮洰褰曪紝鍖呮嫭闅愯棌鏂囦欢锛屽苟浠ュ垪琛ㄦ柟寮忔墦鍗?os.remove()  鍒犻櫎涓€涓枃浠?os.rename("oldname","newname")  閲嶅懡鍚嶆枃浠?鐩綍os.stat(鈥?/span>path/filename鈥?/span>)  鑾峰彇鏂囦欢/鐩綍淇℃伅os.path.abspath(path)  杩斿洖path瑙勮寖鍖栫殑缁濆璺緞os.path.dirname(path)  杩斿洖path鐨勭洰褰曘€傚叾瀹炲氨鏄痮s.path.split(path)鐨勭涓€涓厓绱?os.path.basename(path)  杩斿洖path鏈€鍚庣殑鏂囦欢鍚嶃€傚浣昿ath浠ワ紡鎴朶缁撳熬锛岄偅涔堝氨浼氳繑鍥炵┖鍊笺€傚嵆os.path.split(path)鐨勭浜屼釜鍏冪礌os.path.exists(path)  濡傛灉path瀛樺湪锛岃繑鍥濼rue锛涘鏋減ath涓嶅瓨鍦紝杩斿洖Falseos.path.join(path1[, path2[, ...]])  灏嗗涓矾寰勭粍鍚堝悗杩斿洖锛岀涓€涓粷瀵硅矾寰勪箣鍓嶇殑鍙傛暟灏嗚蹇界暐os.path.getatime(path)  杩斿洖path鎵€鎸囧悜鐨勬枃浠舵垨鑰呯洰褰曠殑鏈€鍚庡瓨鍙栨椂闂?os.path.getmtime(path)  杩斿洖path鎵€鎸囧悜鐨勬枃浠舵垨鑰呯洰褰曠殑鏈€鍚庝慨鏀规椂闂?br>os.path.getctime(path)  鍥瀙ath鎵€鎸囧悜鐨勬枃浠舵垨鑰呯洰褰曠殑鍒涘缓鏃堕棿os.path.getsize(path) 杩斿洖path鐨勫ぇ灏?/span>

閫夋嫨鎬ф帉鎻＄殑搴旂敤锛?/p>

os.path.split(path)  灏唒ath鍒嗗壊鎴愮洰褰曞拰鏂囦欢鍚嶄簩鍏冪粍杩斿洖

os.path.isabs(path)  濡傛灉path鏄粷瀵硅矾寰勶紝杩斿洖Trueos.path.isfile(path)  濡傛灉path鏄竴涓瓨鍦ㄧ殑鏂囦欢锛岃繑鍥濼rue銆傚惁鍒欒繑鍥濬alseos.path.isdir(path)  濡傛灉path鏄竴涓瓨鍦ㄧ殑鐩綍锛屽垯杩斿洖True銆傚惁鍒欒繑鍥濬alse

绀轰緥锛?/p>

import osprint(os.getcwd())os.chdir(r鈥?/span>C:\Users\Administrator\PycharmProjects\untitled4鈥?/span>)print(os.getcwd())print(鈥?/span>鎴戞槸鍒嗗壊绾?-------鈥?/span>)print(os.listdir(r鈥?/span>C:\Users\Administrator\PycharmProjects\untitled4\a鈥?/span>))print(鈥?/span>鎴戞槸鍒嗗壊绾?-------鈥?/span>)res = os.stat(r鈥?/span>C:\Users\Administrator\PycharmProjects\untitled4\a\b\c\d鈥?/span>)print(res)print(res.st_ctime)print(鈥?/span>鎴戞槸鍒嗗壊绾?-------鈥?/span>)dirname,basename=os.path.split(r鈥?/span>C:\Users\Administrator\PycharmProjects\untitled4\a\a.txt鈥?/span>)print(dirname)print(basename)print(鈥?/span>鎴戞槸鍒嗗壊绾?-------鈥?/span>)s1=r鈥?/span>C:\Users\Administrator\PycharmProjects\untitled4\a\b\c鈥?/span>s2=r鈥?/span>c.txt鈥?/span>res=os.path.join(s1,s2)print(res)缁撴灉锛?C:\Users\Administrator\PycharmProjects\untitledC:\Users\Administrator\PycharmProjects\untitled4鎴戞槸鍒嗗壊绾?/span>--------[鈥?/span>a.txt鈥?/span>, 鈥?/span>b鈥?/span>]鎴戞槸鍒嗗壊绾?/span>--------os.stat_result(st_mode=16895, st_ino=7881299347966345, st_dev=1221946964, st_nlink=1, st_uid=0, st_gid=0, st_size=0, st_atime=1498052199, st_mtime=1498052199, st_ctime=1498052199)1498052199.7336605鎴戞槸鍒嗗壊绾?/span>--------C:\Users\Administrator\PycharmProjects\untitled4\aa.txt鎴戞槸鍒嗗壊绾?/span>--------C:\Users\Administrator\PycharmProjects\untitled4\a\b\c\c.txt

鍥涖€乭ashlib妯″潡

hash锛氫竴绉嶇畻娉?,3.x閲屼唬鏇夸簡md5妯″潡鍜宻ha妯″潡锛屼富瑕佹彁渚?nbsp;SHA1, SHA224, SHA256, SHA384, SHA512 锛孧D5 绠楁硶
涓変釜鐗圭偣锛?br>1.鍐呭鐩稿悓鍒檋ash杩愮畻缁撴灉鐩稿悓锛屽唴瀹圭◢寰敼鍙樺垯hash鍊煎垯鍙?br>2.涓嶅彲閫嗘帹
3.鐩稿悓绠楁硶锛氭棤璁烘牎楠屽闀跨殑鏁版嵁锛屽緱鍒扮殑鍝堝笇鍊奸暱搴﹀浐瀹氥€?/p>

import hashlib m=hashlib.md5()# m=hashlib.sha256() m.update(鈥?/span>hello鈥?/span>.encode(鈥?/span>utf8鈥?/span>))print(m.hexdigest())  #5d41402abc4b2a76b9719d911017c592 m.update(鈥?/span>alvin鈥?/span>.encode(鈥?/span>utf8鈥?/span>)) print(m.hexdigest())  #92a7e713c30abbb0319fa07da2a5c4af m2=hashlib.md5()m2.update(鈥?/span>helloalvin鈥?/span>.encode(鈥?/span>utf8鈥?/span>))print(m2.hexdigest()) #92a7e713c30abbb0319fa07da2a5c4af鈥樷€樷€?娉ㄦ剰锛氭妸涓€娈靛緢闀跨殑鏁版嵁update澶氭锛屼笌涓€娆pdate杩欐闀挎暟鎹紝寰楀埌鐨勭粨鏋滀竴鏍?浣嗘槸update澶氭涓烘牎楠屽ぇ鏂囦欢鎻愪緵浜嗗彲鑳姐€?鈥樷€樷€?/span>

浠ヤ笂鍔犲瘑绠楁硶铏界劧渚濈劧闈炲父鍘夊锛屼絾鏃跺€欏瓨鍦ㄧ己闄凤紝鍗筹細閫氳繃鎾炲簱鍙互鍙嶈В銆傛墍浠ワ紝鏈夊繀瑕佸鍔犲瘑绠楁硶涓坊鍔犺嚜瀹氫箟key鍐嶆潵鍋氬姞瀵嗐€?/p>

import hashlib # ######## 256 ######## hash = hashlib.sha256(鈥?/span>898oaFs09f鈥?/span>.encode(鈥?/span>utf8鈥?/span>))hash.update(鈥?/span>alvin鈥?/span>.encode(鈥?/span>utf8鈥?/span>))print (hash.hexdigest())#e79e68f070cdedcfe63eaf1a2e92c83b4cfb1b5c6bc452d214c1b7e77cdfd1c7

瀹炰緥锛氭ā鎷熸挒搴撶牬瑙ｅ瘑鐮?/p>

import hashlibpasswds=[    鈥?/span>alex3714鈥?/span>,    鈥?/span>alex1313鈥?/span>,    鈥?/span>alex94139413鈥?/span>,    鈥?/span>alex123456鈥?/span>,    鈥?/span>123456alex鈥?/span>,    鈥?/span>a123lex鈥?/span>,    ]def make_passwd_dic(passwds):    dic={}    for passwd in passwds:        m=hashlib.md5()        m.update(passwd.encode(鈥?/span>utf-8鈥?/span>))        dic[passwd]=m.hexdigest()    return dicdef break_code(cryptograph,passwd_dic):    for k,v in passwd_dic.items():        if v == cryptograph:            print(鈥?/span>瀵嗙爜鏄?==>\033[46m%s\033[0m鈥?/span> %k)cryptograph=鈥?/span>aee949757a2e698417463d47acac93df鈥?/span>break_code(cryptograph,make_passwd_dic(passwds))妯℃嫙鎾炲簱鐮磋В瀵嗙爜

python 杩樻湁涓€涓?hmac 妯″潡锛屽畠鍐呴儴瀵规垜浠垱寤?key 鍜?鍐呭 杩涜杩涗竴姝ョ殑澶勭悊鐒跺悗鍐嶅姞瀵?

1 import hmac2 h = hmac.new(鈥?/span>alvin鈥?/span>.encode(鈥?/span>utf8鈥?/span>))3 h.update(鈥?/span>hello鈥?/span>.encode(鈥?/span>utf8鈥?/span>))4 print (h.hexdigest())#320df9832eab4c038b6c1d7ed73a5940

Python--妯″潡涔媡ime銆乺andom銆乷s銆乭ashlib

鏍囩锛?a href='http://www.byrx.net/so/1/%e9%87%8d%e5%91%bd%e5%90%8d' title='閲嶅懡鍚?>閲嶅懡鍚?/a>

鍘熸枃鍦板潃锛歨ttp://www.cnblogs.com/metianzing/p/7060716.html