擅长:python、mysql、java
<pre><code>from pyspark.sql.types import IntegerType
data_df = data_df.withColumn("Plays", data_df["Plays"].cast(IntegerType()))
data_df = data_df.withColumn("drafts", data_df["drafts"].cast(IntegerType()))
</code></pre>
<p>可以为每列运行循环,但这是将字符串列转换为整数的最简单方法。</p>