闈㈠悜瀵硅薄

Posted 2020-11-25

涓夈€佸皝瑁?/h3>

• 鈥?strong>灏佽鈥濆氨鏄皢鎶借薄寰楀埌鐨勬暟鎹拰琛屼负锛堟垨鍔熻兘锛夌浉缁撳悎锛屽舰鎴愪竴涓湁鏈虹殑鏁翠綋(鍗崇被)
• 灏佽鐨勭洰鐨勬槸澧炲己瀹夊叏鎬у拰绠€鍖栫紪绋嬶紝浣跨敤鑰呬笉蹇呬簡瑙ｅ叿浣撶殑瀹炵幇缁嗚妭锛岃€屽彧鏄閫氳繃澶栭儴鎺ュ彛锛屼竴鐗瑰畾鐨勮闂潈闄愭潵浣跨敤绫荤殑鎴愬憳銆?/li>
• 灏佽鐨勫ソ澶?
  • 灏佽鍚庡閮ㄧ殑浣跨敤鑰呭彧闇€瑕佷紶閫掑嚭鍝嶅簲鐨勫弬鏁帮紝灏卞彲浠ラ€氳繃瀵硅薄璋冪敤鍐呴儴鐨勬暟鎹拰鏂规硶锛岃€屼笉闇€瑕佺煡閬撳唴閮ㄧ殑瀹炵幇鏂瑰紡
  • 灏佽鍚庡鏋滈渶瑕佹柊鐨勬柟娉曪紝鍙互鍦ㄧ被涓坊鍔犮€?/li>
• 骞夸箟鐨勫皝瑁咃細缁欏璞″皝瑁呭睘鎬э紝缁欑被涓皝瑁呴潤鎬佸瓧娈点€佸睘鎬т互鍙婃瀯閫犳柟娉曘€?/li>
• 鐙箟鐨勫皝瑁咃細绉佹湁鍒躲€佺鏈夋垚鍛?
  • 绉佹湁鎴愬憳锛氶潤鎬佺鏈夊瓧娈点€佺鏈夋柟娉曘€佺鏈夊睘鎬?/li>
  • 鍙兘鍦ㄦ湰绫讳腑琚皟鐢?/li>

###鍥涖€佷粈涔堟槸闈㈠悜瀵硅薄

• 浠€涔堟椂鍊欑敤锛氬綋闇€瑕佸鐞嗗鏉傜殑瑙掕壊涔嬮棿鍏崇郴鐨勬椂鍊?浠ｇ爜閲忓ぇ锛屽姛鑳藉鐨勬椂鍊?锛屼緥濡傦細
  • qq銆佸ソ鍙嬨€侀檶鐢熶汉銆佺兢銆佺粍
  • 澶嶆潅鐨勭數鍟嗙郴缁?/li>
  • 鍏徃鎴栬€呭鏍＄殑浜轰簨绠＄悊/鍔熻兘鐨勭郴缁?/li>
• 涓轰粈涔堢敤锛?
  • 鍦ㄥ鐞嗗鏉傜殑瑙掕壊鍏崇郴鐨勬椂鍊欏彲浠ヤ娇寰椾笉鍚岀被鍨嬭鑹蹭箣闂撮殧绂诲紑鏉ャ€備唬鐮佺殑娓呮櫚搴︽洿楂橈紝鏃犺鏄紑鍙戣€呰繕鏄皟鐢ㄨ€?br /> 閮借兘鏄庣‘鐨勫垎杈ㄥ幓姣忎釜瑙掕壊鎷ユ湁鐨勬柟娉曘€?/li>

  • 鏇村己浜嗕唬鐮佺殑鍙墿灞曟€?/p>

    python涓竴鍒囩殕瀵硅薄

    绫诲拰绫诲瀷鏄竴涓蹇碉紝鍩虹鐨勬暟鎹被鍨嬩篃鏄互绫荤殑鏂瑰紡鏉ュ紑鍙戠殑锛屼緥濡傦細閫氳繃瀵硅薄鏉ヨ皟鐢⊿tr绫讳腑鐨刜_str__()銆?/p>

鍒涘缓涓€涓被

• 浠庤娉曟満鍒朵笂璁诧紝class灏卞彲浠ュ垱寤轰竴涓被銆備絾鏄粠鍐呴儴鏈哄埗涓婅锛宼ype鏄墍鏈夌被鐨勫厓绫伙紝object鏄墍鏈夌被鐨勭埗绫汇€?br /> 绫讳篃鏄鍒涘缓鍑烘潵鐨勶紝type鍒涘缓绫伙紝type(cls) = type銆?/li>
• type(obj): 杈撳嚭鐨勭粨鏋滃氨鏄繖涓璞℃墍灞炵殑绫?/li>

• type(cls): 杈撳嚭鐨勭粨鏋滃氨鏄垱寤鸿繖涓被鐨勫厓绫伙紝澶у鏁版儏鍐典笅灏辨槸type锛岄櫎闈炴寚瀹氱殑metaclass=ABCMeta

  from abc import ABCMeta
  class A(metaclass=ABCMeta):
      # 鎸囧畾metaclass
      pass
  print(type(A))
  
  class B:
      pass
      # 涓嶆寚瀹歮etaclass
  print(type(B)) 
  
  '''
  杈撳嚭缁撴灉锛?<class 'abc.ABCMeta'>
  <class 'type'>
  '''

绫讳腑鏂规硶鐨勫唴瀛樺湴鍧€鍜屽璞′腑鏂规硶鐨勫唴瀛樺湴鍧€闂浠ュ強绫荤殑鍔犺浇椤哄簭闂

• 绫荤殑鍐呭瓨鍦板潃涓瓨鍌ㄧ潃鍙橀噺鍜屾柟娉?/li>

• 瀵硅薄鐨勫唴瀛樺湴鍧€涓瓨鍌ㄧ潃绫荤殑鍐呭瓨涓瓨鍌ㄦ柟娉曠殑鍐呭瓨鍦板潃鐨勫彉閲忓悕鐨勫唴瀛樺湴鍧€(杩欓噷娑夊強鍒版寚閽堢殑闂)

  class Person:
  country = 'CHINA'
  print(country)
  # 涓庡嚱鏁颁笉鍚岋紝绫讳笉閫氳繃瀹炰緥鍖栬皟鐢紝灏卞彲浠ョ洿鎺ュ湪鍔犺浇鐨勬椂鍊欑洿鎺ユ墦鍗扮被涓殑闈欐€佸彉閲?# 浣嗘槸绫讳腑鐨勬柟娉曢渶瑕佺瓑鍒扮被瀹炰緥鍖栧悗鐢卞疄渚嬪寲瀵硅薄鏉ヨ皟鐢紝鍑芥暟涔熼渶瑕侀€氳繃鍑芥暟鍑芥暟鍚嶆潵璋冪敤
  # print(Person.country)
  # 杩欓噷涓嶈兘鐩存帴鐢ㄧ被鍚嶈皟鐢╟ountry闈欐€佸彉閲忥紝鍥犱负绫诲苟鏈姞杞藉畬鎴愶紝涔熸病鏈夋妸绫荤┖闂翠腑鐨勬暟鎹祴鍊肩粰绫诲悕
  '''
  绫荤殑鍔犺浇椤哄簭锛?1. 绫诲厛鎸夌収浠庝笂寰€涓嬩竴琛屼竴琛屼唬鐮佸姞杞斤紝閬囧埌鍙互鐩存帴杈撳嚭闈欐€佸彉閲忥紝浣嗘槸绫荤殑鏂规硶涓嶈兘璋冪敤
  2. 褰撳姞杞藉畬鎴愬悗锛岀郴缁熷彂鐜版槸涓€涓被锛屼細缁欑被鍒涘缓涓€涓被绌洪棿锛堢被鐨勫懡鍚嶇┖闂达級锛岀┖闂翠腑瀛樺偍鐫€鎵€鏈夌殑闈欐€佸彉閲忓拰鏂规硶淇℃伅
  3. 姝ゆ椂鍐嶆妸绌洪棿璧嬪€肩粰绫诲悕锛屾墠鍙互閫氳繃绫诲悕鏉ヨ皟鐢?'''
  
  def func(self):
      print('66666')
  
  def fun1(self):
      print('7777777')
  
  
  p1 = Person()
  print(p1.func)
  print(Person.func)
  
  '''
  缁撴灉鏄細
  '''
  CHINA
  <bound method Person.func of <__main__.Person object at 0x10634afd0>>
  <function Person.func at 0x106343f80>