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Playwright学习笔记之十八-下载的操作

  • 2026-05-12 22:18:00
Playwright学习笔记之十八-下载的操作
今天我们来学习文件的下载。
还是先看看下载的代码：
def test_pw_download(page:Page):    page.goto("/demo/download",wait_until="networkidle")    page.locator("textarea").fill("123456")    with page.expect_download() as dl_file:        page.get_by_text("Download").click()    dl_page = dl_file.value    dl_page.save_as("123.txt")    dl_page.save_as(dl_page.suggested_filename)    assert os.path.exists("123.txt")
下载的方法和上传类似，都是需要监听，不一样的在于，在save_as方法中，只有一个参数，就是文件保存的路径以及文件名。
文件路径也是有两种方法，一种传的是字符串，一种是Path类型。
文件名称也有不同，文件名可以自己命名，也可以使用系统建议的名字，蛋哥也看了，建议的就是download.txt。

好了，今天的学习就到这里了，我们下次继续！

最后，再放一下蛋哥的学习路径：微信公视频号&B站：山豆根行者。
本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  1. 请求信息 : 2026-05-12 23:53:07 HTTP/2.0 GET : https://67808.cn/a/488016.html
  2. 运行时间 : 0.091882s [ 吞吐率：10.88req/s ] 内存消耗：4,529.34kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=27b99557bab8a27508bb3513b395f825
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  1. CONNECT:[ UseTime:0.000497s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000692s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000308s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000234s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000462s ]
  6. SELECT * FROM `set` [ RunTime:0.000197s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000491s ]
  8. SELECT * FROM `article` WHERE `id` = 488016 LIMIT 1 [ RunTime:0.000391s ]
  9. UPDATE `article` SET `lasttime` = 1778601187 WHERE `id` = 488016 [ RunTime:0.012714s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000336s ]
  11. SELECT * FROM `article` WHERE `id` < 488016 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000546s ]
  12. SELECT * FROM `article` WHERE `id` > 488016 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000474s ]
  13. SELECT * FROM `article` WHERE `id` < 488016 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002231s ]
  14. SELECT * FROM `article` WHERE `id` < 488016 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002595s ]
  15. SELECT * FROM `article` WHERE `id` < 488016 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001213s ]
0.094525s