Nancy中的模型绑定

Question

由于某些原因，我无法让NancyFx绑定到我的网页模型。如果这件事重要的话，我是自我托管的。

这是我的路线代码：

Get["/fax.html"] = p =>
{
    FaxModel model = new FaxModel();

    var foundType = processes.Where(proc => proc.GetType().ToString().Contains("FaxServer"));
    if(foundType.First() != null)
    {
        bool enabled = Boolean.Parse(WorkflowSettings.GetValue(foundType.First().GetProcessName(), "Enabled"));
        bool deleteAfterSuccess = Boolean.Parse(WorkflowSettings.GetValue(foundType.First().GetProcessName(), "DeleteWorkflowItemsAfterSuccess"));

        model.EnableFaxes = enabled;
        model.DeleteFaxes = deleteAfterSuccess;

        // Bind the data
        this.BindTo<FaxModel>(model);
    }

    return View["fax.html"];
};

这是我的模型：

[Serializable]
public class FaxModel
{
    public bool EnableFaxes { get; set; }
    public bool DeleteFaxes { get; set; }
}

下面是我的HTML代码：

<div id="body">
  <form method="post" action="fax.html" name="fax_settings">
  <ul>
    <li>
      <input name="EnableFaxes" value="true" type="checkbox">Automated Faxing Enabled
    </li>
    <li>
      <div style="margin-left: 80px;"><input name="DeleteFaxes" value="true" type="checkbox">Delete workflow items when fax is successful</div>
    </li>
  </ul>
  <button name="Save">Save</button>
  </form>
</div>

我不明白为什么它根本不填充这些复选框。有谁有主意吗？

Answer 1

您正在用BindTo覆盖设置。删除该调用并返回带有参数的视图。

this.Bind和this.BindTo用于将输入参数(查询、表单、请求正文)绑定到模型，而不是将数据绑定到视图。

Get["fax"] = p =>
{
    FaxModel model = new FaxModel();

    var foundType = processes.Where(proc => proc.GetType().ToString().Contains("FaxServer"));
    if(foundType.First() != null)
    {
        bool enabled = Boolean.Parse(WorkflowSettings.GetValue(foundType.First().GetProcessName(), "Enabled"));
        bool deleteAfterSuccess = Boolean.Parse(WorkflowSettings.GetValue(foundType.First().GetProcessName(), "DeleteWorkflowItemsAfterSuccess"));

        model.EnableFaxes = enabled;
        model.DeleteFaxes = deleteAfterSuccess;
    }

    return View["fax", model];
};

或者，只要您的模型类遵循约定，您就可以这样做：

return View[model];

见查看引擎示例。

此外，您的html应该使用如下的模型属性：

<input name="EnableFaxes" value=@Model.EnableFaxes type="checkbox">Automated Faxing Enabled