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laravel的嵌套循环怎么写呢？

WBOY
Release： 2016-06-06 20:19:57
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laravel的嵌套循环怎么写呢，类似于输出省市两级菜单，数据表是分开的，两张表。主要是里面那个循环不知道咋写，写了运行不了。

回复内容：

laravel的嵌套循环怎么写呢，类似于输出省市两级菜单，数据表是分开的，两张表。主要是里面那个循环不知道咋写，写了运行不了。

建议你用SQL语句的join或leftjoin合并表来完成该功能

你说的是输出的时候？还是查询数据的时候？

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