/// <summary>
/// 获取特定公告
/// </summary>
public static News GetNewsList( int news_id )
{
using (var db = new SEMSDBContext())
{
return db.News.Find(news_id);
}
}
/// <summary>
/// 获取管理员信息
/// </summary>
/// <returns></returns>
public static Administrater GetAdministrater( string uid )
{
using (var db = new SEMSDBContext())
{
return db.Administrater.Find(uid);
}
}
/// <summary>
/// 删除班级
/// </summary>
///<returns>成功返回true</returns>
public static bool DelClass(string class_id, string class_small_id)
{
try
{
using (var db = new SEMSDBContext())
{
var toDel=db.Classes.Find(class_id,class_small_id); //所有需要级联更新删除的地方数据库里都建好了。。不用这样写，删就是了
//... on delete cascade on update cascade)...
//foreach (var temp in db.Student.Where(x => x.class_id == class_id && x.class_small_id == class_small_id))
//{
// StudentBS.DelStudent(temp.student_id);
// db.Student.Remove(temp);
//}
//foreach (var temp in db.Lk_evaluation_year_classes.Where(x => x.class_id == class_id && x.class_small_id == class_small_id))
//{
// Lk_evaluation_year_classesBS.DelLk_evaluation_year_classes(temp.evaluation_year_id, temp.class_id, temp.class_small_id);
// db.Lk_evaluation_year_classes.Remove(temp);
//}
db.Classes.Remove(toDel);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 获取所有公告列表
/// </summary>
public static List<News> GetNewsList()
{
using (var db = new SEMSDBContext())
{
return db.News.ToList();
}
}
/// <summary>
/// 获取相应模块的政策
/// </summary>
public static Policy GetPolicy(string module_id)
{
using (var db = new SEMSDBContext())
{
return db.Policy.FirstOrDefault(x => x.module_id == module_id);
}
}
/// <summary>
/// 获取所有项目总数（所有学年学期）
/// </summary>
public static int GetAllEvaluation_entryCount()
{
using (var db = new SEMSDBContext())
{
return db.Evaluation_entry.Count();
}
}
/// <summary>
/// 添加新班级
/// </summary>
///<returns>成功返回true</returns>
public static bool AddClass(Classes model)
{
try
{
using (var db = new SEMSDBContext())
{
/*var classes = new Classes()
{
class_grade = model.class_grade,
class_id = model.class_id,
class_small_id = model.class_small_id
};*/
db.Classes.Add(model);
db.SaveChanges();
}
return true;
}
catch (DbEntityValidationException e)
{
Debug.WriteLine(e.Message);
return false;
}
catch
{
return false;
}
}
/// <summary>
/// 获取当前系统表
/// </summary>
public static Sysinfo GetSysinfo()
{
using (var db = new SEMSDBContext())
{
return db.Sysinfo.FirstOrDefault();
}
}
/// <summary>
/// 返回模块成绩
/// </summary>
public static int GetMoudle_score(string student_id, string module_id, string evaluation_school_year, string evaluation_semester)
{
using (var db = new SEMSDBContext())
{
var score = db.Module_score.FirstOrDefault(x => x.student_id == student_id && x.module_id == module_id && x.evaluation_school_year == evaluation_school_year && x.evaluation_semester == evaluation_semester);
return score == null ? 0 : score.score; //如果找不到总成绩，说明成绩为0！
}
}
public static void TestChangePassword()
{
using (var db = new SEMSDBContext())
{
Administrater temp = db.Administrater.FirstOrDefault();
Console.WriteLine(temp.admin_pwd);
//AdministraterBS.ChangePassword(temp.admin_id, "123456", temp.admin_pwd);
//Console.WriteLine("{0}", temp.admin_pwd);
}
}
/// <summary>
/// 获取所有政策列表
/// </summary>
public static List<Policy> GetPolicyList()
{
using (var db = new SEMSDBContext())
{
var query = from p in db.Policy
where p.module_id == "M1"
select p;
return db.Policy.ToList();
}
}
/// <summary>
/// 查找测评年
/// </summary>
public static Evaluation_year GetEvaluation_year( int evaluation_id )
{
using (var db = new SEMSDBContext())
{
//var query = from p in db.Evaluation_year
// where p.evaluation_year_id==1
// select p;
return db.Evaluation_year.Find(evaluation_id);
}
}
/// <summary>
/// 根据测评年名称返回ID
/// </summary>
/// <param name="evaluation_year_name"></param>
/// <returns></returns>
public static int GetEvaluation_yearId(string evaluation_year_name)
{
try
{
using (var db = new SEMSDBContext())
{
return db.Evaluation_year.FirstOrDefault(x => x.evaluation_year_name == evaluation_year_name).evaluation_year_id;
}
}
catch
{
return 0;
}
}
/// <summary>
/// 返回全部模块
/// </summary>
public static List<Module> GetModuleList( )
{
try
{
using (var db = new SEMSDBContext())
{
return db.Module.ToList();
}
}
catch
{
return null;
}
}
/// <summary>
/// 查找测评项目
/// </summary>
/// <param name="entry_id">待查找项目的ID</param>
/// <returns></returns>
public static Evaluation_entry FindEvaluation_entry( int entry_id )
{
try
{
using (var db = new SEMSDBContext())
{
Evaluation_entry temp = db.Evaluation_entry.Find(entry_id);
return temp;
}
}
catch
{
return null;
}
}
/// <summary>
/// 添加测评年班级链接表
/// </summary>
public static bool AddLk_evaluation_year_classes(Lk_evaluation_year_classes model)
{
try
{
using (var db = new SEMSDBContext())
{
db.Lk_evaluation_year_classes.Add(model);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加新测评项目
/// </summary>
/// <param name="module_id">要添加的项目</param>
/// <returns></returns>
public static bool AddEvaluation_entry(Evaluation_entry model)
{
try
{
using (var db = new SEMSDBContext())
{
db.Evaluation_entry.Add(model);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除测评年
/// </summary>
public static bool DelEvaluation_year(int evaluation_year_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Evaluation_year.Find(evaluation_year_id);
db.Evaluation_year.Remove(temp);
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加管理员用户
/// </summary>
public static bool AddAdministrater(Administrater model)
{
try
{
using (var db = new SEMSDBContext())
{
db.Administrater.Add(model);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除测评年班级链接表
/// </summary>
public static bool DelLk_evaluation_year_classes(int evaluation_year_id, string class_id, string class_small_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Lk_evaluation_year_classes.Find(evaluation_year_id, class_id, class_small_id);
db.Lk_evaluation_year_classes.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除管理员账户
/// </summary>
public static bool DelAdministrater(string uid)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Administrater.Find(uid);
db.Administrater.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加新公告
/// </summary>
public static bool AddNews(News model)
{
try
{
using (var db = new SEMSDBContext())
{
db.News.Add(model);
db.SaveChanges();
}
return true;
}
catch (Exception ee)
{
throw ee.InnerException;
//return false;
}
}
/// <summary>
/// 删除学生信息
/// </summary>
/// <param name="class_id">学号</param>
/// <returns>成功返回true</returns>
public static bool DelStudent(string student_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Student.Find(student_id);
db.Student.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 添加新学生
/// </summary>
/// <param name="model">要添加的学生</param>
/// <returns>成功返回true</returns>
public static bool AddStudent(Student model)
{
try
{
using (var db = new SEMSDBContext())
{
db.Student.Add(model);
db.SaveChanges();
}
return true;
}
catch// (Exception ee)
{
//throw ee.InnerException;
return false;
}
}
/// <summary>
/// 删除公告
/// </summary>
public static bool DelNews(int news_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.News.Find(news_id);
db.News.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改管理员密码
/// </summary>
public static bool ChangePassword(string uid, string pwd,string oldPwd)
{
try
{
using (var db = new SEMSDBContext())
{
var admin = db.Administrater.FirstOrDefault(x => x.admin_id == uid);
if (admin == null) return false;
admin.admin_pwd = pwd;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 删除测评项目
/// </summary>
public static bool DelEvaluation_entry(int entry_id)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Evaluation_entry.Find(entry_id);
//Entry_scoreBS.AllDelEntry_score(entry_id);
db.Evaluation_entry.Remove(temp);
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 修改系统表
/// </summary>
public static bool ModifySysinfo(Sysinfo model)
{
try
{
using (var db = new SEMSDBContext())
{
var temp = db.Sysinfo.FirstOrDefault();
temp.sysinfo_id = model.sysinfo_id;
temp.sysinfo_school_year = model.sysinfo_school_year;
temp.sysinfo_semester = model.sysinfo_semester;
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 批量修改项目成绩
/// </summary>
/// <param name="entry_id">项目ID</param>
/// <param name="score">待改分数</param>
public static bool AllModifyEntry_score(int entry_id, int score)
{
try
{
using (var db = new SEMSDBContext())
{
foreach (var temp in db.Entry_score.Where(x => x.entry_id == entry_id))
{
temp.score = score;
}
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 批量删除学生信息
/// </summary>
public static bool AllDelStudent(string class_id, string class_small_id)
{
try
{
using (var db = new SEMSDBContext())
{
foreach (var temp in db.Student.Where(x => x.class_id == class_id && x.class_small_id == class_small_id))
{
db.Student.Remove(temp);
}
db.SaveChanges();
}
return true;
}
catch
{
return false;
}
}
