public IActionResult AddStudent(StudentAddRequest request)
{
var studentAddCommand = new StudentAddCommand(request);
_commandProccessor.Execute(studentAddCommand);
return(_commandProccessor.Result.Status != CommandResultStatus.Success ?
BadRequest(_commandProccessor.Result.Message) : Ok(_commandProccessor.Result.Message));
}
public StudentAddCommand(StudentAddRequest request)
{
_request = request;
}
public StudentAddResponse Post([FromBody] StudentAddRequest req)
{
StudentAddResponse resp = new StudentAddResponse();
try
{
MySqlConnection conn = SQLManager.getConn(); //连接数据库
conn.Open(); //打开数据库连接
MySqlCommand test = null; //创建查询指令
test = new MySqlCommand("select* from student where student_ID=?id;", conn);
test.Parameters.AddWithValue("?id", req.id);
MySqlDataReader mdr = test.ExecuteReader();
if (mdr.HasRows)
{
resp.result = "id existed";
mdr.Close();
}
else
{
mdr.Close();
MySqlCommand cmd = null;//创建查询指令
/* cmd = new MySqlCommand("insert into student " +
* "(student_ID,Gender,student_name,password,department,grade,class_num,dorm_num,healthcode_color," +
* "contact_way,emergency_contact,currenthealth_status) " +
* "values " +
* "('?id',?gender,'?name','?password','?department','?grade','?classnum','?dorm','?healthcodecolor'," +
* "'?telephone','?emergencyphone',?healthstatus);", conn);*/
/* cmd = new MySqlCommand("insert into student values" +
* "('@id',@gender,'@name','@password','@department','@grade','@classnum','@dorm','@healthcodecolor'," +
* "'@telephone','@emergencyphone',@healthstatus);", conn);*/
cmd = new MySqlCommand("insert into student values" +
"(@id,@gender,@name,@password,@department,@grade,@classnum,@dorm,@healthcodecolor," +
"@telephone,@emergencyphone,@healthstatus);", conn);
cmd.Parameters.AddWithValue("@id", req.id);
int gen = req.gender == "男" ? 0 : 1;//男为0，女为1
cmd.Parameters.AddWithValue("@gender", gen);
cmd.Parameters.AddWithValue("@name", req.name);
cmd.Parameters.AddWithValue("@password", req.password);
cmd.Parameters.AddWithValue("@department", req.department);
cmd.Parameters.AddWithValue("@grade", req.grade);
cmd.Parameters.AddWithValue("@classnum", req.classnum);
cmd.Parameters.AddWithValue("@dorm", req.dorm);
string color = "";
if (req.healthcodecolor == "绿色")
{
color = "green";
}
else if (req.healthcodecolor == "红色")
{
color = "red";
}
else if (req.healthcodecolor == "黄色")
{
color = "yellow";
}
cmd.Parameters.AddWithValue("@healthcodecolor", color);
cmd.Parameters.AddWithValue("@telephone", req.telephone);
cmd.Parameters.AddWithValue("@emergencyphone", req.emergencyphone);
int health;
switch (req.healthstatus)
{
case "健康":
health = 0;
break;
case "发热":
health = 1;
break;
case "疑似":
health = 2;
break;
case "确诊":
health = 3;
break;
default: health = -1; break;
}
cmd.Parameters.AddWithValue("@healthstatus", health);
cmd.Prepare();
cmd.ExecuteNonQuery();//执行insert语句
resp.result = "success";
}
conn.Close();//关闭连接
}
catch (Exception ex)
{
Console.WriteLine(ex);
resp.result = "fail";
}
return(resp);
}
public StudentAddResponse Post([FromBody] StudentAddRequest req)
{
StudentAddResponse resp = new StudentAddResponse();
try
{
MySqlConnection conn = SQLManager.getConn(); //连接数据库
conn.Open(); //打开数据库连接
MySqlCommand test = null; //创建查询指令
test = new MySqlCommand("select* from student where student_ID=?id;", conn);
test.Parameters.AddWithValue("?id", req.id);
MySqlDataReader mdr = test.ExecuteReader();
if (!mdr.HasRows) //id不存在
{
resp.result = "wrong id";
mdr.Close();
}
else
{
mdr.Close();
MySqlCommand cmd = null; //创建查询指令
if (req.password != null) //修改密码
{
cmd = new MySqlCommand("update student set password = @password where student_ID = @id;", conn);
cmd.Parameters.AddWithValue("@id", req.id);
cmd.Parameters.AddWithValue("@password", req.password);
cmd.Prepare();
cmd.ExecuteNonQuery(); //执行update语句
}
if (req.department != null) //修改学院
{
cmd = new MySqlCommand("update student set department = @department where student_ID = @id;", conn);
cmd.Parameters.AddWithValue("@id", req.id);
cmd.Parameters.AddWithValue("@department", req.department);
cmd.Prepare();
cmd.ExecuteNonQuery(); //执行update语句
}
if (req.classnum != null) //修改班级
{
cmd = new MySqlCommand("update student set class_num = @classnum where student_ID = @id;", conn);
cmd.Parameters.AddWithValue("@id", req.id);
cmd.Parameters.AddWithValue("@classnum", req.classnum);
cmd.Prepare();
cmd.ExecuteNonQuery(); //执行update语句
}
if (req.dorm != null) //修改宿舍
{
cmd = new MySqlCommand("update student set dorm_num = @dorm where student_ID = @id;", conn);
cmd.Parameters.AddWithValue("@id", req.id);
cmd.Parameters.AddWithValue("@dorm", req.dorm);
cmd.Prepare();
cmd.ExecuteNonQuery(); //执行update语句
}
if (req.healthcodecolor != null) //修改健康码颜色
{
string color = "";
if (req.healthcodecolor == "绿色")
{
color = "green";
}
else if (req.healthcodecolor == "红色")
{
color = "red";
}
else if (req.healthcodecolor == "黄色")
{
color = "yellow";
}
cmd = new MySqlCommand("update student set healthcode_color = @healthcodecolor where student_ID = @id;", conn);
cmd.Parameters.AddWithValue("@id", req.id);
cmd.Parameters.AddWithValue("@healthcodecolor", color);
cmd.Prepare();
cmd.ExecuteNonQuery(); //执行update语句
}
if (req.telephone != null) //修改联系方式
{
cmd = new MySqlCommand("update student set contact_way = @telephone where student_ID = @id;", conn);
cmd.Parameters.AddWithValue("@id", req.id);
cmd.Parameters.AddWithValue("@telephone", req.telephone);
cmd.Prepare();
cmd.ExecuteNonQuery(); //执行update语句
}
if (req.emergencyphone != null) //修改紧急联系方式
{
cmd = new MySqlCommand("update student set emergency_contact = @emergencyphone where student_ID = @id;", conn);
cmd.Parameters.AddWithValue("@id", req.id);
cmd.Parameters.AddWithValue("@emergencyphone", req.emergencyphone);
cmd.Prepare();
cmd.ExecuteNonQuery(); //执行update语句
}
if (req.healthstatus != null) //修改健康状态
{
cmd = new MySqlCommand("update student set currenthealth_status = @healthstatus where student_ID = @id;", conn);
cmd.Parameters.AddWithValue("@id", req.id);
int health;
switch (req.healthstatus)
{
case "健康":
health = 0;
break;
case "发热":
health = 1;
break;
case "疑似":
health = 2;
break;
case "确诊":
health = 3;
break;
default: health = -1; break;
}
cmd.Parameters.AddWithValue("@healthstatus", health);
cmd.Prepare();
cmd.ExecuteNonQuery();//执行update语句
}
resp.result = "success";
}
conn.Close();//关闭连接
}
catch (Exception ex)
{
Console.WriteLine(ex);
resp.result = "fail";
}
return(resp);
}
