public async Task <IActionResult> Edit(int id, [Bind("ID,comment,comment_time,userID,essayID")] Forum_msgViewModel forum_msgViewModel)
{
if (id != forum_msgViewModel.ID)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(forum_msgViewModel);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!Forum_msgViewModelExists(forum_msgViewModel.ID))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["essayID"] = new SelectList(_context.Science_essay, "ID", "ID", forum_msgViewModel.essayID);
//ViewData["userID"] = new SelectList(_context.users, "ID", "password", forum_msgViewModel.userID);
ViewData["userID"] = new SelectList(_context.users, "ID", "userID", forum_msgViewModel.userID);
return(View(forum_msgViewModel));
}
public static void Initialize(NaturalDisasterDatabaseWebsiteContext context)
{
//EnsureCreated方法自动创建数据库
context.Database.EnsureCreated();
// 查找用户
if (context.users.Any())
{
return; // DB 已有测试（基本）数据
}
var users = new UsersViewModel[]
{
new UsersViewModel {
username = "******", password = "******", sex = "女", email = "*****@*****.**", status = "管理员", img = "head-default.png", telephone = "18877524840", workplace = "广西师范大学", occupation = "Web前端", address = "广西师范大学雁山校区"
},
new UsersViewModel {
username = "******", password = "******", sex = "男", email = "*****@*****.**", status = "普通用户", img = "head-default.png", telephone = "18877524840", workplace = "广西师范大学", occupation = "运维工程师", address = "广西师范大学雁山校区"
}
};
foreach (UsersViewModel u in users)
{
context.users.Add(u);
}
context.SaveChanges();
var essays = new Science_essayViewModel[]
{
new Science_essayViewModel {
ID = 1, title = "习近平总书记关于防灾减灾救灾重要论述摘录", author = "灾协", source = "云南防震减灾网", fb_time = DateTime.Parse("2019-07-26 19:53:00"), wz_content = "要坚持抗震救灾工作和经济社会发展两手抓、两不误，大力弘扬伟大抗震救灾精神，大力发挥各级党组织领导核心和战斗堡垒作用、广大党员先锋模范作用，引导灾区群众广泛开展自力更生、生产自救活动，在中央和四川省大力支持下，积极发展生产、建设家园，用自己的双手创造幸福美好的生活", wz_style = "科普", state = "已发布", userID = 1
},
new Science_essayViewModel {
ID = 2, title = "古人如何应对洪涝灾害", author = "灾协", source = "中国水运报", fb_time = DateTime.Parse("2019-11-29 14:53:00"), wz_content = "今年入夏以来，从南到北各地水灾多发，抗洪救灾成为舆论热点。事实上，洪涝灾害自古以来就是人类最常面对的自然灾害。因此，人类历史也是一部与洪涝灾害斗争的历史。那么，我国古代在条件有限的情况下是如何应对洪涝灾害呢？", wz_style = "科普", state = "待审核", userID = 2
}
};
foreach (Science_essayViewModel s in essays)
{
context.Science_essay.Add(s);
}
context.SaveChanges();
var fMsgs = new Forum_msgViewModel[]
{
new Forum_msgViewModel {
ID = 1, comment = "习大大的胸怀是真的非常宽广！赞赞赞~~~", comment_time = DateTime.Parse("2020-1-6 14:24:00"), userID = 2, essayID = 1
},
new Forum_msgViewModel {
ID = 1, comment = "古人头脑真睿智啊~赞赞赞~", comment_time = DateTime.Parse("2019-12-28 10:43:00"), userID = 5, essayID = 2
},
};
foreach (Forum_msgViewModel e in fMsgs)
{
context.Forum_msg.Add(e);
}
context.SaveChanges();
}
public async Task <IActionResult> Create([Bind("ID,comment,comment_time,userID,essayID")] Forum_msgViewModel forum_msgViewModel)
{
if (ModelState.IsValid)
{
_context.Add(forum_msgViewModel);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["essayID"] = new SelectList(_context.Science_essay, "ID", "ID", forum_msgViewModel.essayID);
//ViewData["userID"] = new SelectList(_context.users, "ID", "password", forum_msgViewModel.userID);
ViewData["userID"] = new SelectList(_context.users, "ID", "userID", forum_msgViewModel.userID);
return(View(forum_msgViewModel));
}
public async Task <IActionResult> NewForumMsg([Bind("comment,comment_time,userID,essayID")] Forum_msgViewModel forum_msgViewModel, string essayID, string comment)
{
try
{
if (ModelState.IsValid)
{
if (comment == null)
{
return(Content("<meta http-equiv='content-type' content='text/html; charset = utf-8' /><script>alert('请输入评论内容');history.go(-1);</script>", "text/html"));
}
_context.Add(forum_msgViewModel);
await _context.SaveChangesAsync();
return(Content("<meta http-equiv='content-type' content='text/html; charset = utf-8' /><script>alert('发表成功');history.go(-1);</script>", "text/html"));
}
}
catch (DbUpdateException /* ex */)
{
ModelState.AddModelError("", "发布信息失败" + "再次尝试，如果问题仍然存在" + "请联系系统管理者.");
}
return(View(forum_msgViewModel));
}