/// <summary>/// 后台获取视图对应的字符串/// </summary>public class ViewHelper{/// <summary>/// 将View输出为字符串/// (注：不会执行对应的action方法)/// </summary>/// <param name="controller">Controller实例</param>/// <param name="viewName">如果view文件在当前Controller目录下，则直接输入文件名(例如：Toolbar)/// 否则，从根路径开始指定（例如：~/Views/User/Toolbar.cshtml）/// </param>/// <param name="masterName">模板页文件名（注：显示指定可修改Layout）</param>/// <returns></returns>public static string RenderViewToString(Controller controller, string viewName, string masterName){IView view = ViewEngines.Engines.FindView(controller.ControllerContext, viewName, masterName).View;using (StringWriter sw = new StringWriter()){ViewContext viewContext = new ViewContext(controller.ControllerContext, view, controller.ViewData, controller.TempData, sw);viewContext.View.Render(viewContext, sw);return sw.ToString();}}/// <summary>/// 将PartialView输出字符串/// </summary>/// <param name="controller">controller实例</param>/// <param name="viewName">如果PartialView文件在当前Controller目录下，则直接输入文件名（例如：Toolbar）；/// 否则，从根路径开始指定（例如：~/View/User/Toolbar.cshtml）/// </param>/// <param name="model">构造页面所需要的实体参数</param>/// <returns>字符串</returns>public static string ReaderPartialViewToString(Controller controller, string viewName, object model){IView view = ViewEngines.Engines.FindPartialView(controller.ControllerContext, viewName).View;controller.ViewData.Model = model;using (StringWriter sw = new StringWriter()){ViewContext viewContext = new ViewContext(controller.ControllerContext, view, controller.ViewData, controller.TempData, sw);viewContext.View.Render(viewContext, sw);return sw.ToString();}}}