//删除博客
static void Delete()
{
Console.WriteLine("请输入ID");
int id = int.Parse(Console.ReadLine());
BlogBusinessLayer bbl = new BlogBusinessLayer();
Blog blog = bbl.Query(id);
bbl.Delete(blog);
}
//删除
static void Delete()
{
Console.WriteLine("请输入ID");
int id = int.Parse(Console.ReadLine());
BlogBusinessLayer bbl = new BlogBusinessLayer();
StudentClass studentClass = bbl.Query(id);
bbl.Delete(studentClass);
}
//显示全部博客
static void QueryBlog()
{
BlogBusinessLayer bbl = new BlogBusinessLayer();
var blogs = bbl.Query();
foreach (var item in blogs)
{
Console.WriteLine(item.BlogId + " " + item.Name);
}
}
//显示全部博客
static void QueryStudentClass()
{
BlogBusinessLayer bbl = new BlogBusinessLayer();
var blogs = bbl.Query();
foreach (var item in blogs)
{
Console.WriteLine(item.StudentClassId + " " + item.StudentClassName);
}
}
static void Update()
{
Console.WriteLine("请输入ID");
int id = int.Parse(Console.ReadLine());
BlogBusinessLayer bbl = new BlogBusinessLayer();
Blog blog = bbl.Query(id);
Console.WriteLine("请输入新名字");
string name = Console.ReadLine();
blog.Name = name;
bbl.Update(blog);
}
//删除博客
static void Delete()
{
QueryBlog();
BlogBusinessLayer bbl = new BlogBusinessLayer();
Console.WriteLine("请输入需要删除到博客id");
int id = int.Parse(Console.ReadLine());
Blog blog = bbl.Query(id);
bbl.Delete(blog);
Console.Clear();
selectBlog();
}
//显示全部博客
static void QueryBlog()
{
BlogBusinessLayer bbl = new BlogBusinessLayer();
var query = bbl.Query();
Console.WriteLine("所有数据库中的博客");
foreach (var item in query)
{
Console.Write(item.BlogId + "");
Console.WriteLine(item.Name);
}
}
//修改
static void Update()
{
Console.WriteLine("请输入ID");
int id = int.Parse(Console.ReadLine());
BlogBusinessLayer bbl = new BlogBusinessLayer();
StudentClass studentClass = bbl.Query(id);
Console.WriteLine("请输入新名字");
string name = Console.ReadLine();
studentClass.StudentClassName = name;
bbl.Update(studentClass);
}
//更新博客
static void Update()
{
QueryBlog();
Console.WriteLine("请输入需要修改的博客id");
int id = int.Parse(Console.ReadLine());
BlogBusinessLayer bbl = new BlogBusinessLayer();
Blog blog = bbl.Query(id);
Console.WriteLine("请输入博客新名字");
string name = Console.ReadLine();
blog.Name = name;
bbl.Update(blog);
Console.Clear();
selectBlog();
}
/// <summary>
/// 检测博客ID是否存在
/// </summary>
/// <returns></returns>
static int BlogIdDetection(string idStr, int id)
{
BlogBusinessLayer bbl = new BlogBusinessLayer();
bool idDetection = true;
while (idDetection)
{
if (bbl.Query(id) == null)
{
Console.WriteLine("没有该博客ID,请重新输入!");
idStr = PositiveWholeNumberDetection();
id = int.Parse(idStr);
}
else
{
idDetection = false;
}
}
return(id);
}