擅长:python、mysql、java
<p>对于Python2.x,有以下选项:</p>
<p><strong>[最佳选择]</strong>较新的<a href="http://docs.python.org/library/stdtypes.html#str.format">str.format</a>和完整的<a href="http://docs.python.org/library/string.html#formatspec">format specification</a>,例如</p>
<pre><code>"I like {food}".format(food="chocolate")
</code></pre>
<p>较旧的<a href="http://docs.python.org/library/stdtypes.html#string-formatting-operations">interpolation formatting</a>语法,例如</p>
<pre><code>"I like %s" % "berries"
"I like %(food)s" % {"food": "cheese"}
</code></pre>
<p><a href="http://docs.python.org/library/string.html#template-strings">string.Template</a>,例如</p>
<pre><code>string.Template('I like $food').substitute(food="spinach")
</code></pre>