篇(13)-Asp.Net Core入门实战-将功能代码增加异步功能Async和配置简单防范CSRF攻击

public class MenuService : IMenuService
{
private readonly AppDbContext _appDbContext;
public MenuService(AppDbContext appDbContext)
{
_appDbContext = appDbContext;
}

public async Task<bool> AddMenuAsync(Menu menu)
{
menu.IsDelete = false;
menu.AddManagerId = 1;//用户id,可读取Cookie、Session或Claims内用户Id
menu.AddTime = DateTime.Now;
menu.IsSystem = true;
_appDbContext.Menu.Add(menu);
var result = await _appDbContext.SaveChangesAsync();
return result == 1;//注意(result==1 如果等式成立，则返回true，说明删除成功)
}

public async Task<bool> DeleteMenuAsync(int Id)
{
var delMenu = await _appDbContext.Menu.FirstOrDefaultAsync(x => x.Id == Id);
if (delMenu != null)
{
_appDbContext.Menu.Remove(delMenu);
}

var result = await _appDbContext.SaveChangesAsync();
return result == 1; //注意(result==1 如果等式成立，则返回true，说明删除成功)
}

public async Task<Menu> FindMenuAsync(int Id)
{
var item = await _appDbContext.Menu.Where(x => x.Id == Id).FirstOrDefaultAsync();
return item;
}

public async Task<bool> UpdateMenuAsync(int id, Menu menu)
{
var oldMenu = await FindMenuAsync(id); //找出旧对象
//将新值赋到旧对象上
oldMenu.Name = menu.Name;
oldMenu.ParentId = menu.ParentId;
oldMenu.DisplayName = menu.DisplayName;
oldMenu.Sort = menu.Sort;
oldMenu.LinkUrl = menu.LinkUrl;
oldMenu.ModifyManagerId = 11;//
oldMenu.ModifyTime = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
//对旧对象执行更新
_appDbContext.Entry(oldMenu).State = EntityState.Modified;
var result = await _appDbContext.SaveChangesAsync();
return result == 1;//注意(result==1 如果等式成立，则返回true，说明删除成功)
}
}

$.ajax({
type: "POST",
url: "/Article/Edit",//表示请求Action地址
data: { articleid: ArticleId},
beforeSend: function (xhr) {
xhr.setRequestHeader("RequestVerificationToken",
$('input:hidden[name="__RequestVerificationToken"]').val());
},
success: function (res) {
alert('设置成功!');
//window.location.href = "/Article/Index";
},
failure: function (data, error) {
alert('删除失败');
}
});