public JsonResult update(String studentNum, Dormitory dormitory)
{
//获取学生信息 得到原本宿舍信息
Student student = db.Students.Find(studentNum);
if (student == null)
{
return(Json(ResultMap.errorMsg("查无此人"), JsonRequestBehavior.AllowGet));
}
try
{
//保存学生原本宿舍信息
string buildingNum = student.buildingNum;
string dormitoryNum = student.dormitoryNum;
//修改学生信息
student.buildingNum = dormitory.buildingNum;
student.dormitoryNum = dormitory.dormitoryNum;
//修改原本宿舍和新宿舍 已住人数 因为mdoel定义时 dormitorynum为1所以参数放前面
Dormitory old = db.Dormitories.Find(dormitoryNum, buildingNum);
old.residentNum = old.residentNum - 1;
Dormitory newd = db.Dormitories.Find(dormitory.dormitoryNum, dormitory.buildingNum);
newd.residentNum = newd.residentNum + 1;
//保存修改
db.SaveChanges();
}
catch (Exception e)
{
return(Json(ResultMap.errorMsg("数据库错误"), JsonRequestBehavior.AllowGet));
}
return(Json(ResultMap.OK(), JsonRequestBehavior.AllowGet));
}
public JsonResult getOne(int staffNum)
{
Staff staff = db.Staffs.Find(staffNum);
if (staff == null)
{
return(Json(ResultMap.errorMsg("查无此人，请确认员工号是否正确"), JsonRequestBehavior.AllowGet));
}
return(Json(ResultMap.OK(staff), JsonRequestBehavior.AllowGet));
}
public JsonResult getOne(String studentNum)
{
Student student = db.Students.Find(studentNum);
if (student == null)
{
return(Json(ResultMap.errorMsg("查无此人，请确认学号是否正确"), JsonRequestBehavior.AllowGet));
}
return(Json(ResultMap.OK(student), JsonRequestBehavior.AllowGet));
}
public JsonResult reset(String studentNum)
{
User user = db.Users.Find(studentNum);
if (user == null)
{
return(Json(ResultMap.errorMsg("没有这个用户"), JsonRequestBehavior.AllowGet));
}
user.password = studentNum;
db.SaveChanges();
return(Json(ResultMap.OK(), JsonRequestBehavior.AllowGet));
}
public JsonResult getWE(String studentNum)
{
//查找学生宿舍信息
Student student = db.Students.Find(studentNum);
if (student == null)
{
return(Json(ResultMap.errorMsg("查无此人，请确认学号是否正确"), JsonRequestBehavior.AllowGet));
}
//根据楼号宿舍号查找该宿舍所有
var ds = from item in db.WaterElectricityCosts
where item.buildingNum == student.buildingNum && item.dormitoryNum == student.dormitoryNum //此处可以写条件表达式 升序
orderby item.month ascending
select item;
return(Json(ResultMap.OK(ds.ToList()), JsonRequestBehavior.AllowGet));
}
public JsonResult update(Student student)
{
//try懒得写了
Student s = db.Students.Find(student.studentNum);
if (s == null)
{
return(Json(ResultMap.errorMsg("查无此人，请确认学号是否正确"), JsonRequestBehavior.AllowGet));
}
//s = student; 不能直接赋值会修改s的引用，导致save操作没办法更新
s.major = student.major;
s.name = student.name;
s.sex = student.sex;
s.contractInfo = student.contractInfo;
db.SaveChanges();
return(Json(ResultMap.OK(s), JsonRequestBehavior.AllowGet));
}
public JsonResult login(User user)
{
if (ModelState.IsValid)
{
var u = db.Users.Find(user.username);
//if(user)
/*if (u == null) {
* var error = "账号密码不匹配，请检查";
* }
* return Json()*/
//Console.WriteLine("方法执行" + user.password);
if (u == null)
{
return(Json(ResultMap.errorMsg("用户不存在"), JsonRequestBehavior.AllowGet));
}
else if (u.password != user.password && u.type == user.type)
{
return(Json(ResultMap.errorMsg("密码错误或者类型错误"), JsonRequestBehavior.AllowGet));
}
else
{
return(Json(ResultMap.OK(), JsonRequestBehavior.AllowGet));
}
}
else
{
StringBuilder errMsg = new StringBuilder();
//获取错误信息并返回
var values = ModelState.Values;
foreach (var item in values)
{
foreach (var error in item.Errors)
{
errMsg.Append(error.ErrorMessage + " ");
}
}
//ResultMap.errorMsg(errMsg.ToString())
return(Json(ResultMap.errorMsg(errMsg.ToString()), JsonRequestBehavior.AllowGet));
}
}
public JsonResult quit(String studentNum)
{
try
{
//得到学生对象
Student student = db.Students.Find(studentNum);
User user = db.Users.Find(studentNum);//学生学号为登录名
//得到对应宿舍对象
Dormitory dormitory = db.Dormitories.Find(student.dormitoryNum, student.buildingNum);
dormitory.residentNum = dormitory.residentNum - 1;
//删除学生记录 删除学生账号
db.Students.Remove(student);
db.Users.Remove(user);
db.SaveChanges();
}
catch (Exception ex)
{
return(Json(ResultMap.errorMsg("数据库异常，请稍后再试"), JsonRequestBehavior.AllowGet));
}
return(Json(ResultMap.OK(), JsonRequestBehavior.AllowGet));
}
public JsonResult Upload(HttpPostedFileBase file, String username)
{
if (file == null)
{
return(Json(ResultMap.errorMsg("没有上传文件"), JsonRequestBehavior.AllowGet));
}
var fileName = file.FileName;
var filePath = Path.Combine(Server.MapPath("~/upload"), fileName);
try
{
file.SaveAs(filePath);
//查询该用户并更新iconpath字段并保存修改
User user = db.Users.Find(username);
user.iconPath = "../upload/" + fileName;
db.SaveChanges();
}
catch (Exception e)
{
return(Json(ResultMap.errorMsg("服务器异常"), JsonRequestBehavior.AllowGet));
}
return(Json(ResultMap.OK("../upload/" + fileName), JsonRequestBehavior.AllowGet));
}
