擅长:python、mysql、java
<p>看起来是语法错误</p>
<pre><code>subprocess.call(['mysqldump' ' single-transaction' '-u' 'myusername' '-pmypasword' 'mydb' 'mytable' '>' 'mytable.sql'])
</code></pre>
<p>缺少<code>'-u' 'myusername'</code>引号分隔符。在</p>
<p>另外,<code>subprocess.run</code>替换了版本>;=3.5中的<code>subprocess.call</code>。检查<a href="https://docs.python.org/3/library/subprocess.html?highlight=subprocess#call-function-trio" rel="nofollow noreferrer">python subprocess.call API deprecation</a>
这应该对你有用。在</p>