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Python:没有 except 的 try,你用过吗?

2026-01-14 02:28:00

Python:没有 except 的 try,你用过吗?

Python：没有 except 的 try，你用过吗？

你知道吗？Python里的 try 竟然不接 except 也能用！
这篇文章将带你看看这种写法怎么让代码变得更清爽、更健壮。
下次写 try 的时候，或许你会多一种更优雅的选择。一起来试试吧！ #编程 #Python #编程学习 #计算机 #程序员 #干货分享

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广西,2026年1月12日 10:50,

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CONNECT:[ UseTime:0.001096s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001521s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000711s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000967s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.001320s ]
SELECT * FROM `set` [ RunTime:0.000754s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.001495s ]
SELECT * FROM `article` WHERE `id` = 462514 LIMIT 1 [ RunTime:0.000988s ]
UPDATE `article` SET `lasttime` = 1770551180 WHERE `id` = 462514 [ RunTime:0.019959s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000633s ]
SELECT * FROM `article` WHERE `id` < 462514 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001035s ]
SELECT * FROM `article` WHERE `id` > 462514 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002350s ]
SELECT * FROM `article` WHERE `id` < 462514 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002372s ]
SELECT * FROM `article` WHERE `id` < 462514 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002134s ]
SELECT * FROM `article` WHERE `id` < 462514 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004871s ]

0.136005s

ShowPageTrace