//根据学生ID返回Contacts List
public JsonResult GetContacts(string studentID)
{
List<EasyChatTimeModel> contacts = new List<EasyChatTimeModel>();
//以数组形式存储所有联系人的联系时间
IEnumerable<EasyChatTimeEntity>[] chatTimes = null;
//每个联系人的联系信息
ContactIdentity contactInfo = null;
//所有联系人列表，从数据库中读取赋值
IEnumerable<StudentParentEntity> parents = null;
if (studentID != null && studentID != string.Empty && studentID != Guid.Empty.ToString())
{
Guid id = new Guid(studentID);
parents = repository.StudentParent.Where(s => s.StudentID == id);
}
if (parents.Count() > 0)
{
//初始化所有联系人联系时间的数组长度
chatTimes = new IEnumerable<EasyChatTimeEntity>[parents.Count()];
for (int i = 0; i < parents.Count(); i++)
{
StudentParentEntity parent = parents.ElementAt(i);
contactInfo = new ContactIdentity
{
PersonIdentity = parent.PersonIdentity.ToString(),
NameCn = parent.NameCn,
Mobile = parent.Mobile,
Email = parent.Email,
QQ = parent.QQ,
Weixin = parent.Weixin
};
chatTimes[i] = repository.EasyChatTime.Where(e => e.IfParentID == parent.ParentID).Select(e => e);
contacts.Add(new EasyChatTimeModel { ContactIdentity = contactInfo, EasyChatTimes = chatTimes[i] });
}
//以下的写法会导致chatTimes始终变成最后赋值的那个
//foreach (StudentParentEntity parent in parents)
//{
// contactInfo = new ContactIdentity
// {
// PersonIdentity = parent.PersonIdentity.ToString(),
// NameCn = parent.NameCn,
// Mobile = parent.Mobile,
// Email = parent.Email
// };
// chatTimes = repository.EasyChatTime.Where(e => e.IfParentID == parent.ParentID).Select(e => e);
// contacts.Add(new EasyChatTimeModel { ContactIdentity = contactInfo, EasyChatTimes = chatTimes });
//}
}
return Json(contacts,JsonRequestBehavior.AllowGet);
}
//根据学生ID返回ContactIdentity List
public JsonResult GetContactIdentityList(string studentID)
{
List<ContactIdentity> contacts = new List<ContactIdentity>();
//每个联系人的联系信息
ContactIdentity contactInfo = null;
StudentInfoEntity studentInfo = null;
//所有联系人列表，从数据库中读取赋值
IEnumerable<StudentParentEntity> parents = null;
if (studentID != null && studentID != string.Empty && studentID != Guid.Empty.ToString())
{
Guid id = new Guid(studentID);
parents = repository.StudentParent.Where(s => s.StudentID == id);
studentInfo = repository.StudentsInfo.SingleOrDefault(s => s.StudentID == id);
contactInfo = new ContactIdentity
{
PersonIdentity = "学生",
NameCn = studentInfo.NameCn,
Mobile = studentInfo.Mobile,
Email = studentInfo.Email
};
contacts.Add(contactInfo);
contactInfo = null;
}
if (parents.Count() > 0)
{
for (int i = 0; i < parents.Count(); i++)
{
StudentParentEntity parent = parents.ElementAt(i);
contactInfo = new ContactIdentity
{
PersonIdentity = parent.PersonIdentity.ToString(),
NameCn = parent.NameCn,
Mobile = parent.Mobile,
Email = parent.Email
};
contacts.Add(contactInfo);
contactInfo = null;
}
}
return Json(contacts, JsonRequestBehavior.AllowGet);
}