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新手问题 咨询一个 form　表单的问题

luffycn · December 12, 2014 · Last by libuchao replied at December 12, 2014 · 1068 hits

用 form_for 或者 simple_form_for 生成的表单，经常会看到

在查看网页源码时 多出了一段这种

不知这一段是干嘛的？

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