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我正在关注 Ryan Bate 的 RailsCast ( #197 ) 嵌套模型表单。

如果我提交的表单在控制器中添加了 3 个字段：

3.times { @prof.experiences.build }

...他们正确保存。但是，如果该字段是通过 jQuery 添加的，则不会保存。

以前有没有其他人遇到过这种问题？

编辑：不使用 jQuery 生成的 HTML：

<div class="fields">
<table>
<tbody><tr>
<td>Position Title:</td>
<td><input id="applicant_profile_experiences_attributes_0_title" name="applicant_profile[experiences_attributes][0][title]" size="30" type="text"></td>
</tr>
<tr>
<td>Employer:</td>
<td><input id="applicant_profile_experiences_attributes_0_employer" name="applicant_profile[experiences_attributes][0][employer]" size="30" type="text"></td>
</tr>
<tr>
<td>Responsibilities</td>
<td><textarea cols="40" id="applicant_profile_experiences_attributes_0_description" name="applicant_profile[experiences_attributes][0][description]" rows="4"></textarea></td>
</tr>
<tr>
<td>Start Date:</td>
<td><select id="experience_from_date_1i" name="experience[from_date(1i)]">
<option value="1970">1970</option>
<option value="1971">1971</option>
</select>
</td>
</tr>

</tbody></table>
<p><input id="applicant_profile_experiences_attributes_0__destroy" name="applicant_profile[experiences_attributes][0][_destroy]" type="hidden" value="false"><a href="#" onclick="remove_fields(this); return false;">Remove</a></p>
</div>

使用 jQuery 添加的代码：

<div class="fields">
<table>
    <tbody><tr>
        <td>Position Title:</td>
        <td><input id="applicant_profile_experiences_attributes_1366407307283_title" name="applicant_profile[experiences_attributes][1366407307283][title]" size="30" type="text"></td>
    </tr>
    <tr>
        <td>Employer:</td>
        <td><input id="applicant_profile_experiences_attributes_1366407307283_employer" name="applicant_profile[experiences_attributes][1366407307283][employer]" size="30" type="text"></td>
    </tr>
    <tr>
        <td>Responsibilities</td>
        <td><textarea cols="40" id="applicant_profile_experiences_attributes_1366407307283_description" name="applicant_profile[experiences_attributes][1366407307283][description]" rows="4"></textarea></td>
    </tr>
    <tr>
        <td>Start Date:</td>
        <td><select id="experience_from_date_1i" name="experience[from_date(1i)]">
<option value="1970">1970</option>
<option value="1971">1971</option>
<!-- removed big date list -->
</select>
</td>
    </tr>

</tbody></table>
<p><input id="applicant_profile_experiences_attributes_1366407307283__destroy" name="applicant_profile[experiences_attributes][1366407307283][_destroy]" type="hidden" value="false"><a href="#" onclick="remove_fields(this); return false;">Remove</a></p>
</div>
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