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║          腾讯云COS上传测试                                 ║
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初始化COS客户端...
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<b>Fatal error</b>:  Uncaught Error: Class &quot;CosUploader&quot; not found in E:\phpProject\TEST\es\es_haiya\scripts\test_cos_upload.php:20
Stack trace:
#0 {main}
  thrown in <b>E:\phpProject\TEST\es\es_haiya\scripts\test_cos_upload.php</b> on line <b>20</b><br />