我是JS中的菜鸟。我正在制作ASP.NET MVC应用程序。我有一个局部视图,我想添加一个新产品。
<fieldset>
<form>
<legend>Add detail</legend>
<div>
<p>
Select categorie:
@Html.DropDownList("Categories");
</p>
</div>
<div>
<p>
Select brand:
@Html.DropDownList("Brands");
</p>
</div>
<div>
<p>
Model name:
@Html.EditorFor(model=>model.part.parts_model)
@Html.ValidationMessageFor(model=>model.part.parts_model)
</p>
</div>
<div>
<p>
Price:
@Html.EditorFor(model=>model.part.parts_price)
@Html.ValidationMessageFor(model=>model.part.parts_price)
</p>
</div>
<div>
<p>
Amount:
@Html.EditorFor(model=>model.part.parts_amount)
@Html.ValidationMessageFor(model=>model.part.parts_amount)
</p>
</div>
<div class="details">
<input type="text" name="details_name" />
<input type="text" name="details_value" />
</div>
<div><p><a class="plus">Add detail</a></p></div>
<div>
<input type="file" name="uploadImage" />
</div>
</form>
<div>
<input type="submit" value="Save" />
</div>
</fieldset>
用户按“添加详细信息”后,应添加新字段(与“详细信息”类相同)。 用户按“提交”后,必须将新产品发送到服务器端。
我正在尝试添加这样的新字段:
$(function() {
$('form').on('click', 'a.plus', function() {
var fld = $(this).closest('div').prev().find('div.details').last(), add=fld.clone().val('');
fld.after(add)})
})
我正在寻求帮助,谢谢。
编辑: Erdogan Oksuz帮助动态添加字段。我还是不知道,如何将JSON对象发送到服务器端。还有一个,是否有可能用Razor元素做到这一点?
型号:
public class AddPartViewModel
{
public bs_parts part { get; set; }
public List<bs_details> detail { get; set; }
public bs_images image { get; set; }
}
public partial class bs_parts
{
public bs_parts()
{
this.bs_details = new HashSet<bs_details>();
this.bs_images = new HashSet<bs_images>();
this.bs_orders = new HashSet<bs_orders>();
}
public decimal parts_id { get; set; }
public decimal parts_category_id { get; set; }
public decimal parts_brand_id { get; set; }
public string parts_model { get; set; }
public double parts_price { get; set; }
public int parts_amount { get; set; }
public virtual bs_brands bs_brands { get; set; }
public virtual bs_categories bs_categories { get; set; }
public virtual ICollection<bs_details> bs_details { get; set; }
public virtual ICollection<bs_images> bs_images { get; set; }
public virtual ICollection<bs_orders> bs_orders { get; set; }
}
public partial class bs_details
{
public decimal details_id { get; set; }
public string details_name { get; set; }
public string details_value { get; set; }
public decimal details_part_id { get; set; }
public virtual bs_parts bs_parts { get; set; }
}
我的服务器代码(不要查看ide,它用于测试):
[HttpPost]
public ActionResult CreatePart(AddPartViewModel model, HttpPostedFileBase uploadImage)
{
ViewBag.Categories = new SelectList(_db.bs_categories, "categories_id", "categories_name");
ViewBag.Brands = new SelectList(_db.bs_brands, "brands_id", "brands_name");
if (ModelState.IsValid && model.part != null)
{
model.part.parts_brand_id = 3;
model.part.parts_category_id = 3;
_db.bs_parts.Add(model.part);
if (model.detail != null)
{
foreach (var details in model.detail)
{
details.details_part_id = 8;
_db.bs_details.Add(details);
_db.SaveChanges();
}
}
if (ModelState.IsValid && uploadImage!=null)
{
byte[] imageData = null;
using (var binaryReader = new BinaryReader(uploadImage.InputStream))
{
imageData = binaryReader.ReadBytes(uploadImage.ContentLength);
}
model.image.image_part_id = model.part.parts_id;
model.image.images_image = imageData;
_db.bs_images.Add(model.image);
}
_db.SaveChanges();
return RedirectToAction("Main");
}
return View(model);
}
答案 0 :(得分:1)
var $myForm=$("#myForm");
$(".plus").off("click").on("click",function(){
$(".details").append(`
<div class="details-part">
<input class="details_name" type="text" />
<input class="details_value" type="text" />
</div>
`)
});
$("#save-form").off("click").on("click",function(){
var detailList=[];
$myForm.find(".details-part").each(function(){
detailList.push({
details_value:$(this).find(".details_value").val(),
details_name:$(this).find(".details_name").val()
})
});
$myForm.find('[name="details"]').val(JSON.stringify(detailList))
$myForm.submit()
});
&#13;
.plus{
cursor:pointer;
}
&#13;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
<form id="myForm" method="post" action="/yourpath">
<div class="details">
<div class="details-part">
<input class="details_name" type="text" />
<input class="details_value" type="text" />
</div>
</div>
<div><p><a class="plus">Add detail</a></p></div>
<div>
<input type="file" name="uploadImage" />
</div>
<input type="hidden" name="details"/>
<div>
<button id="save-form">Save</button>
</div>
</form>
&#13;