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thinkphp 关联查询有关问题

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Release: 2016-06-13 12:36:04
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thinkphp 关联查询问题
有两个表,一个是医院r_hospital,另一个是科室r_department。怎样关联查询,选择完医院之后,科室只显示该医院的科室,而不显示其他医院的了

thinkphp 关联查询
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