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零基础学Python3分钟搞懂self,告别报错

  • 2026-02-05 00:48:43
零基础学Python3分钟搞懂self,告别报错

零基础学Python3分钟搞懂self，告别报错

方法里到底该不该写self？一张卡讲清楚。 self是什么：当前对象的引用，用它访问属性和方法，更直观也更安全。后文的小测试小例子：c1.run()/c2.run()一跑就知道self指向谁，概念瞬间落地！#类#零基础学编程#Python

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  1. CONNECT:[ UseTime:0.000638s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000755s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.007265s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.010632s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000723s ]
  6. SELECT * FROM `set` [ RunTime:0.008097s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000857s ]
  8. SELECT * FROM `article` WHERE `id` = 472537 LIMIT 1 [ RunTime:0.002961s ]
  9. UPDATE `article` SET `lasttime` = 1770465608 WHERE `id` = 472537 [ RunTime:0.009468s ]
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