1using System;
  2using System.Collections.Generic;
  3using System.Linq;
  4using System.Web;
  5using System.Web.Mvc;
  6using MvcArticleDemo.Models;
  7using System.Web.Routing;
  8//该源码首发自www.51aspx.com(５１ａｓｐｘ．ｃｏｍ)
  9
 10namespace MvcArticleDemo.Controllers
 11...{
 12    public class ArticleController : Controller
 13    ...{
 14
 15        public ActionResult NewCategory()
 16        ...{
 17            if (TempData.ContainsKey("ErrorMessage"))
 18            ...{
 19                foreach (var item in TempData)
 20                ...{
 21                    ViewData[item.Key] = item.Value;
 22                }
 23            }
 24            return View("NewCategory",ViewData);
 25        }
 26
 27        public object NewNews()
 28        ...{
 29            if (TempData.ContainsKey("ErrorMessage"))
 30            ...{
 31                foreach (var item in TempData)
 32                ...{
 33                    ViewData[item.Key] = item.Value;
 34                }
 35            }
 36            Models.ArticlesNewViewData viewData = new ArticlesNewViewData();
 37            Models.ArticleDemoDataContext articleDc = new MvcArticleDemo.Models.ArticleDemoDataContext();
 38           // Models.Categories category = articleDc.Categories.SingleOrDefault(c => c.ID == id);
 39            viewData.categories = articleDc.Categories.ToList();
 40           // ViewData["CategoryName"] = new SelectList(articleDc.Categories.ToList(), "ID", "CategoryName", ViewData["ID"] ?? category.ID);
 41            ViewData["categoryid"] = new SelectList(viewData.categories, "ID", "CategoryName");
 42            return View("NewNews", viewData);
 43        }
 44
 45        public object CreateNews()
 46        ...{
 47            Models.Article article = new Article();
 48            Models.Categories category = new MvcArticleDemo.Models.Categories();
 49            Models.ArticleDemoDataContext articleDc = new MvcArticleDemo.Models.ArticleDemoDataContext();
 50           
 51            if (!Valid("ArticleName"))
 52            ...{
 53                Request.Form.CopyTo(TempData);
 54                TempData["ErrorMessage"] = "请填写文章标题";
 55
 56                return RedirectToAction("NewNews");
 57            }
 58            if (!Valid("categoryid"))
 59            ...{
 60                Request.Form.CopyTo(TempData);
 61                TempData["ErrorMessage"] = "请选择新闻类别";
 62
 63                return RedirectToAction("NewNews");
 64            }
 65
 66            if (!Valid("ArticleContent"))
 67            ...{
 68                Request.Form.CopyTo(TempData);
 69                TempData["ErrorMessage"] = "请填写文章内容";
 70
 71                return RedirectToAction("NewNews");
 72            }
 73
 74            BindingHelperExtensions.UpdateFrom(article, Request.Form);
 75            article.Date = DateTime.Today;
 76            articleDc.Article.InsertOnSubmit(article);
 77            articleDc.SubmitChanges();
 78
 79            return RedirectToRoute(new RouteValueDictionary(new ...{ Controller = "Article", Action = "List", ID =article.Categories.CategoryName }));
 80        }
 81        public ActionResult Edit(int id)
 82        ...{
 83            if (TempData.ContainsKey("ErrorMessage"))
 84            ...{
 85                foreach (var item in TempData)
 86                ...{
 87                    ViewData[item.Key] = item.Value;
 88                }
 89            }
 90            Models.ArticleDemoDataContext articleDc = new MvcArticleDemo.Models.ArticleDemoDataContext();
 91            Models.Categories category = articleDc.Categories.SingleOrDefault(c => c.ID == id);
 92            //ViewData["CategoryName"] = new SelectList(articleDc.Categories.ToList(), "ID", "CategoryName", ViewData["ID"] ?? category.ID);
 93            //ViewData["CategoryName"] = new SelectList(articleDc.Categories.ToList(), "CategoryID", "CategoryName", ViewData["CategoryID"] ?? category.ID);
 94            return View("EditCategory", category);
 95
 96        }
 97
 98        public object Update(int id)
 99        ...{
100            Models.ArticleDemoDataContext articleDc = new MvcArticleDemo.Models.ArticleDemoDataContext();
101            Models.Categories category = articleDc.Categories.SingleOrDefault(c => c.ID == id);
102            if (!Valid("CategoryName"))
103            ...{
104                Request.Form.CopyTo(TempData);
105                TempData["ErrorMessage"] = "请填写新闻名称";
106
107                return RedirectToAction("Edit", new ...{ ID=id});
108            }
109            BindingHelperExtensions.UpdateFrom(category, Request.Form);
110            
111            articleDc.SubmitChanges();
112
113            return RedirectToRoute(new RouteValueDictionary(new ...{ Controller = "Home", Action = "Index", ID = category.CategoryName }));
114
115        }
116        public object Delete(int id)
117        ...{
118            Models.ArticleDemoDataContext articleDc = new MvcArticleDemo.Models.ArticleDemoDataContext();
119            Models.Categories category = articleDc.Categories.SingleOrDefault(c => c.ID == id);
120            articleDc.Categories.DeleteOnSubmit(category);
121            articleDc.SubmitChanges();
122            return RedirectToRoute(new RouteValueDictionary(new ...{ Controller = "Home", Action = "Index" }));
123
124        }
125        public object Create()
126        ...{
127            Models.Categories category = new MvcArticleDemo.Models.Categories();
128            Models.ArticleDemoDataContext articleDc = new MvcArticleDemo.Models.ArticleDemoDataContext();
129            if (!Valid("CategoryName"))
130            ...{
131                Request.Form.CopyTo(TempData);
132                TempData["ErrorMessage"] = "请填写新闻名称";
133                
134                return RedirectToAction("NewCategory");
135            }
136            Models.Categories cate = articleDc.Categories.SingleOrDefault(c => c.CategoryName==Request.Form["categoryname"]);
137            if (null != cate)
138            ...{
139                Request.Form.CopyTo(TempData);
140                TempData["ErrorMessage"] = "新闻类别名称不能重复";
141
142                return RedirectToAction("NewCategory");
143            }
144            BindingHelperExtensions.UpdateFrom(category, Request.Form);
145            articleDc.Categories.InsertOnSubmit(category);
146            articleDc.SubmitChanges();
147
148            return RedirectToRoute(new RouteValueDictionary(new ...{ Controller="Home",Action = "Index", ID = category.CategoryName }));
149        }
150
151        public object List(string id)
152        ...{
153            Models.Categories category = new MvcArticleDemo.Models.Categories();
154           // Models.Article article = new Article();
155            Models.ArticleDemoDataContext articleDc = new MvcArticleDemo.Models.ArticleDemoDataContext();
156            var categories = articleDc.Categories.SingleOrDefault(c => c.CategoryName == id);
157
158            var article = from p in articleDc.Article
159                          where p.CategoryID == categories.ID
160                           select p;
161
162           // ViewData["Title"] = "Hello World!";
163            ViewData["CategoryName"] = id;
164
165            //this.ViewEngine = new MvcContrib.NHamlViewEngine.NHamlViewFactory();
166            return View("ArticleList", article.ToList());
167        }
168        bool Valid(string controlName)
169        ...{
170            bool isValid = true;
171            if (string.IsNullOrEmpty(Request.Form[controlName]))
172                isValid = false;
173            TempData["Error:" + controlName] = Request.Form[controlName];
174            return isValid;
175        }
176
177        public object Detail(int id)
178        ...{
179            Models.ArticleDemoDataContext articleDc = new MvcArticleDemo.Models.ArticleDemoDataContext();
180            Models.Article article = articleDc.Article.SingleOrDefault(a => a.ID == id);
181            return View(article);
182        }
183    }
184}
185