还可以使用Data API更新和删除行。
添加行变成了删除行。
但是,一般地,您不希望删除表中的所有行;而是有选择地删除行。
In general, however, you don't want to delete all rows from a table; instead, you'll selectively delete rows.
Delete those lines of code and move them up to the top and problem solved.
把这几行代码删除,然后把它们放到,前面去,问题就解决了。
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