/// <summary>
/// 删除指定学生在教务系统数据库中的所有信息
/// </summary>
/// <param name="StuID">学号</param>
public static void DeleteStu(string StuID)
{
using (var context = new jwContext())
{
var stu = context.Students.FirstOrDefault(s => s.StuID == StuID);
if (stu != null)
{
context.Students.Remove(stu);
context.SaveChanges();
}
var scores = context.Scores.Where(s => s.StuID == StuID);
foreach (var s in scores)
{
context.Scores.Remove(s);
context.SaveChanges();
}
var course = context.Courses.Where(c => c.StuID == StuID);
foreach (var c in course)
{
context.Courses.Remove(c);
context.SaveChanges();
}
}
}
public void ProcessCourse()
{
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(course_result);
HtmlNode table = htmlDoc.DocumentNode.SelectSingleNode("//table[@class='table listTable']");
HtmlNodeCollection tableNodes = table.ChildNodes;
HtmlNodeCollection trNodes = new HtmlNodeCollection(table);
foreach (var n in tableNodes)
{
if (n.Name == "tr")
{
trNodes.Add(n);
}
}
trNodes.RemoveAt(0); //第一个tr节点非课程项，故去除
foreach (var n in trNodes)
{
HtmlNodeCollection tdNodes = n.ChildNodes;
var itemlist = new List <String>();
foreach (var td in tdNodes) //每个tdNodes中含27个td
{
var a = td.InnerText.Replace("\r", "").Replace("\n", "").Replace("\t", "").Replace(" ", "");
itemlist.Add(a);
}
using (var context = new jwContext())
{
var thisLessonNum = itemlist[1]; //直接将itemlist[1]放入Linq表达式将报错
var course = context.Courses.SingleOrDefault(c => c.StuID == stuid && c.LessonNum == thisLessonNum);
if (course == null) //确保表中不存在此项记录
{
var newcourse = new Course
{
StuID = stuid,
LessonNum = itemlist[1],
LessonName = itemlist[3],
LessonType = itemlist[5],
LearninType = itemlist[7],
TeachingCollege = itemlist[9],
Teacher = itemlist[11],
Specialty = itemlist[13],
Credit = itemlist[15],
LessonHours = itemlist[17],
Time = itemlist[19],
Note = itemlist[21]
};
context.Courses.Add(newcourse);
context.SaveChanges();
}
}
}
}
public void ProcessScore()
{
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(score_result);
HtmlNode table = htmlDoc.DocumentNode.SelectSingleNode("//table[@class='table listTable']");
HtmlNodeCollection tableNodes = table.ChildNodes;
HtmlNodeCollection trNodes = new HtmlNodeCollection(table);
foreach (var n in tableNodes)
{
if (n.Name == "tr")
{
trNodes.Add(n);
}
}
trNodes.RemoveAt(0); //第一个tr节点非课程项，故去除
foreach (var n in trNodes)
{
HtmlNodeCollection tdNodes = new HtmlNodeCollection(n);
foreach (var d in n.ChildNodes)
{
if (d.Name == "td")
{
tdNodes.Add(d);
}
}
var itemlist = new List <String>();
foreach (var td in tdNodes)
{
var a = td.InnerText.Replace("\r", "").Replace("\n", "").Replace("\t", "").Replace(" ", "");
itemlist.Add(a);
}
using (var context = new jwContext())
{
var thisLessonName = itemlist[0]; //直接将itemlist[1]放入Linq表达式将报错
var score = context.Scores.SingleOrDefault(s => s.StuID == stuid && s.LessonName == thisLessonName);
if (score == null) //确保表中不存在此项记录
{
if (itemlist[10] != "") //只存储已出成绩的课
{
var newscore = new Score
{
StuID = stuid,
LessonName = itemlist[0],
LessonType = itemlist[1],
GeneralLessonType = itemlist[2],
LessonAttribute = itemlist[3],
Credit = itemlist[4],
TeacherName = itemlist[5],
TeachingCollege = itemlist[6],
LearningType = itemlist[7],
Year = itemlist[8],
Term = itemlist[9],
Mark = itemlist[10],
};
context.Scores.Add(newscore);
context.SaveChanges();
}
}
}
}
}
public void LoginSys()
{
urls.GetURLs();
var client = new RestClient(urls.login_url);
var request = new RestRequest(Method.POST);
request.AddHeader("Host", "bkjw.whu.edu.cn");
request.AddHeader("Connection", "keep-alive");
request.AddHeader("Origin", "http://bkjw.whu.edu.cn/");
request.AddHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36");
request.AddHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9");
request.AddHeader("Accept-Language", "zh-CN,zh;q=0.9");
request.AddHeader("Referer", "http://bkjw.whu.edu.cn/");
request.AddParameter("timestamp", GetTimeStamp(false));
request.AddParameter("jwb", "%E6%AD%A6%E5%A4%A7%E6%9C%AC%E7%A7%91%E6%95%99%E5%8A%A1%E7%B3%BB%E7%BB%9F");
request.AddParameter("id", StuID);
request.AddParameter("pwd", MD5Encrypt32(Password));
request.AddParameter("xdvfb", GetCaptchaStr());
request.AddCookie(urls.Cookie.Name, urls.Cookie.Value);
var response = client.Execute(request);
var ResponseContent = Encoding.GetEncoding("GB2312").GetString(response.RawBytes);
if (response.ResponseUri.ToString() == "http://bkjw.whu.edu.cn/stu/stu_index.jsp") //url成功重定向，登录成功
{
Console.WriteLine("登录成功。");
//Console.WriteLine(ResponseContent);
Setcsrftoken(ResponseContent);
SetCourseUrl();
SetScoreUrl();
StuName = GetStuName(ResponseContent);
College = GetCollege(ResponseContent);
using (var context = new jwContext())
{
var stu = context.Students.SingleOrDefault(s => s.StuID == StuID);
if (stu == null)
{
var newstu = new Student {
QQ = QQ, StuID = StuID, StuName = StuName, College = College, BotQQ = BotQQ
};
context.Students.Add(newstu);
context.SaveChanges();
}
}
}
else if (ResponseContent.Contains("验证码错误"))
{
Dc.ReportError("***REMOVED***", CaptchaID);
throw new CaptchaErrorException("验证码错误");
}
else if (ResponseContent.Contains("密码错误"))
{
throw new PasswordErrorException("用户名/密码错误");
}
else
{
throw new Exception("未知错误");
}
}