/// <summary>
/// 增加一条数据
/// </summary>
public long Add(Model.UserAccount model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into UserAccount(");
strSql.Append("RealName,Sex,Email,PassWord,Status,CreateDate,OpenId,Mobile,Age,Addr,Descri,Integral)");
strSql.Append(" values (");
strSql.Append("@RealName,@Sex,@Email,@PassWord,@Status,@CreateDate,@OpenId,@Mobile,@Age,@Addr,@Descri,@Integral)");
strSql.Append(";select @@IDENTITY");
Database db = DatabaseFactory.CreateDatabase();
DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());
db.AddInParameter(dbCommand, "RealName", DbType.String, model.RealName);
db.AddInParameter(dbCommand, "Sex", DbType.Int16, model.Sex);
db.AddInParameter(dbCommand, "Email", DbType.AnsiString, model.Email);
db.AddInParameter(dbCommand, "PassWord", DbType.AnsiString, model.PassWord);
db.AddInParameter(dbCommand, "Status", DbType.Int16, model.Status);
db.AddInParameter(dbCommand, "CreateDate", DbType.DateTime, model.CreateDate);
db.AddInParameter(dbCommand, "OpenId", DbType.AnsiString, model.OpenId);
db.AddInParameter(dbCommand, "Mobile", DbType.AnsiString, model.Mobile);
db.AddInParameter(dbCommand, "Age", DbType.Int32, model.Age);
db.AddInParameter(dbCommand, "Addr", DbType.String, model.Addr);
db.AddInParameter(dbCommand, "Descri", DbType.String, model.Descri);
db.AddInParameter(dbCommand, "Integral", DbType.Decimal, model.Integral);
int result;
object obj = db.ExecuteScalar(dbCommand);
if (!int.TryParse(obj.ToString(), out result))
{
return(0);
}
return(result);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.UserAccount DataRowToModel(DataRow row)
{
Model.UserAccount model=new Model.UserAccount();
if (row != null)
{
if(row["UID"]!=null && row["UID"].ToString()!="")
{
model.UID=Convert.ToInt64(row["UID"].ToString());
}
if(row["RealName"]!=null)
{
model.RealName=row["RealName"].ToString();
}
if(row["Sex"]!=null && row["Sex"].ToString()!="")
{
model.Sex=Convert.ToInt32(row["Sex"].ToString());
}
if(row["Email"]!=null)
{
model.Email=row["Email"].ToString();
}
if(row["PassWord"]!=null)
{
model.PassWord=row["PassWord"].ToString();
}
if(row["Status"]!=null && row["Status"].ToString()!="")
{
model.Status=Convert.ToInt32(row["Status"].ToString());
}
if(row["CreateDate"]!=null && row["CreateDate"].ToString()!="")
{
model.CreateDate=Convert.ToDateTime(row["CreateDate"].ToString());
}
if(row["OpenId"]!=null)
{
model.OpenId=row["OpenId"].ToString();
}
if(row["Mobile"]!=null)
{
model.Mobile=row["Mobile"].ToString();
}
if(row["Age"]!=null && row["Age"].ToString()!="")
{
model.Age=Convert.ToInt32(row["Age"].ToString());
}
if(row["Addr"]!=null)
{
model.Addr=row["Addr"].ToString();
}
if(row["Descri"]!=null)
{
model.Descri=row["Descri"].ToString();
}
if(row["Integral"]!=null && row["Integral"].ToString()!="")
{
model.Integral=Convert.ToDecimal(row["Integral"].ToString());
}
}
return model;
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.UserAccount DataRowToModel(DataRow row)
{
Model.UserAccount model = new Model.UserAccount();
if (row != null)
{
if (row["UID"] != null && row["UID"].ToString() != "")
{
model.UID = Convert.ToInt64(row["UID"].ToString());
}
if (row["RealName"] != null)
{
model.RealName = row["RealName"].ToString();
}
if (row["Sex"] != null && row["Sex"].ToString() != "")
{
model.Sex = Convert.ToInt32(row["Sex"].ToString());
}
if (row["Email"] != null)
{
model.Email = row["Email"].ToString();
}
if (row["PassWord"] != null)
{
model.PassWord = row["PassWord"].ToString();
}
if (row["Status"] != null && row["Status"].ToString() != "")
{
model.Status = Convert.ToInt32(row["Status"].ToString());
}
if (row["CreateDate"] != null && row["CreateDate"].ToString() != "")
{
model.CreateDate = Convert.ToDateTime(row["CreateDate"].ToString());
}
if (row["OpenId"] != null)
{
model.OpenId = row["OpenId"].ToString();
}
if (row["Mobile"] != null)
{
model.Mobile = row["Mobile"].ToString();
}
if (row["Age"] != null && row["Age"].ToString() != "")
{
model.Age = Convert.ToInt32(row["Age"].ToString());
}
if (row["Addr"] != null)
{
model.Addr = row["Addr"].ToString();
}
if (row["Descri"] != null)
{
model.Descri = row["Descri"].ToString();
}
if (row["Integral"] != null && row["Integral"].ToString() != "")
{
model.Integral = Convert.ToDecimal(row["Integral"].ToString());
}
}
return(model);
}
async void profile(String name)
{
string path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Chattydata.db3");
SQLiteAsyncConnection _database = new SQLiteAsyncConnection(path);
Model.UserAccount d1 = await _database.Table <Model.UserAccount>().Where(x => x.Username == name).FirstOrDefaultAsync();
users = d1;
}
async public Task <string> AddUser(Model.UserAccount user)
{
Model.UserAccount d1 = await _database.Table <Model.UserAccount>().Where(x => x.Username == user.Username).FirstOrDefaultAsync();
if (d1 == null)
{
await _database.InsertAsync(user);
return("Successfully Added");
}
else
{
return("The username already exist");
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.UserAccount model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update UserAccount set ");
strSql.Append("RealName=@RealName,");
strSql.Append("Sex=@Sex,");
strSql.Append("Email=@Email,");
strSql.Append("PassWord=@PassWord,");
strSql.Append("Status=@Status,");
strSql.Append("CreateDate=@CreateDate,");
strSql.Append("OpenId=@OpenId,");
strSql.Append("Mobile=@Mobile,");
strSql.Append("Age=@Age,");
strSql.Append("Addr=@Addr,");
strSql.Append("Descri=@Descri,");
strSql.Append("Integral=@Integral");
strSql.Append(" where UID=@UID ");
Database db = DatabaseFactory.CreateDatabase();
DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());
db.AddInParameter(dbCommand, "UID", DbType.Int64, model.UID);
db.AddInParameter(dbCommand, "RealName", DbType.String, model.RealName);
db.AddInParameter(dbCommand, "Sex", DbType.Int16, model.Sex);
db.AddInParameter(dbCommand, "Email", DbType.AnsiString, model.Email);
db.AddInParameter(dbCommand, "PassWord", DbType.AnsiString, model.PassWord);
db.AddInParameter(dbCommand, "Status", DbType.Int16, model.Status);
db.AddInParameter(dbCommand, "CreateDate", DbType.DateTime, model.CreateDate);
db.AddInParameter(dbCommand, "OpenId", DbType.AnsiString, model.OpenId);
db.AddInParameter(dbCommand, "Mobile", DbType.AnsiString, model.Mobile);
db.AddInParameter(dbCommand, "Age", DbType.Int32, model.Age);
db.AddInParameter(dbCommand, "Addr", DbType.String, model.Addr);
db.AddInParameter(dbCommand, "Descri", DbType.String, model.Descri);
db.AddInParameter(dbCommand, "Integral", DbType.Decimal, model.Integral);
int rows = db.ExecuteNonQuery(dbCommand);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 对象实体绑定数据
/// </summary>
public Model.UserAccount ReaderBind(IDataReader dataReader)
{
Model.UserAccount model = new Model.UserAccount();
object ojb;
ojb = dataReader["UID"];
if (ojb != null && ojb != DBNull.Value)
{
model.UID = Convert.ToInt64(ojb);
}
model.RealName = dataReader["RealName"].ToString();
ojb = dataReader["Sex"];
if (ojb != null && ojb != DBNull.Value)
{
model.Sex = Convert.ToInt32(ojb);
}
model.Email = dataReader["Email"].ToString();
model.PassWord = dataReader["PassWord"].ToString();
ojb = dataReader["Status"];
if (ojb != null && ojb != DBNull.Value)
{
model.Status = Convert.ToInt32(ojb);
}
ojb = dataReader["CreateDate"];
if (ojb != null && ojb != DBNull.Value)
{
model.CreateDate = Convert.ToDateTime(ojb);
}
model.OpenId = dataReader["OpenId"].ToString();
model.Mobile = dataReader["Mobile"].ToString();
ojb = dataReader["Age"];
if (ojb != null && ojb != DBNull.Value)
{
model.Age = Convert.ToInt32(ojb);
}
model.Addr = dataReader["Addr"].ToString();
model.Descri = dataReader["Descri"].ToString();
ojb = dataReader["Integral"];
if (ojb != null && ojb != DBNull.Value)
{
model.Integral = Convert.ToDecimal(ojb);
}
return(model);
}
/// <summary>
/// 根据手机号（用户名）得到一个对象实体
/// </summary>
public Model.UserAccount GetModelforMobile(string Mobile)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select UID,RealName,Email,PassWord,Status,CreateDate,OpenId,Mobile from UserAccount ");
strSql.Append(" where Mobile=@Mobile ");
Database db = DatabaseFactory.CreateDatabase();
DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());
db.AddInParameter(dbCommand, "Mobile", DbType.String, Mobile);
Model.UserAccount model = null;
using (IDataReader dataReader = db.ExecuteReader(dbCommand))
{
if (dataReader.Read())
{
model = ReaderBind(dataReader);
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.UserAccount GetModel(long UID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select UID,RealName,Sex,Email,PassWord,Status,CreateDate,OpenId,Mobile,Age,Addr,Descri,Integral from UserAccount ");
strSql.Append(" where UID=@UID ");
Database db = DatabaseFactory.CreateDatabase();
DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());
db.AddInParameter(dbCommand, "UID", DbType.Int64, UID);
Model.UserAccount model = null;
using (IDataReader dataReader = db.ExecuteReader(dbCommand))
{
if (dataReader.Read())
{
model = ReaderBind(dataReader);
}
}
return(model);
}
async void AddFriend(object sender, System.EventArgs e)
{
if (!string.IsNullOrEmpty(friendid))
{
Console.WriteLine("testing 0 " + friendid);
string path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Chattydata.db3");
SQLiteAsyncConnection _database = new SQLiteAsyncConnection(path);
Model.UserAccount d1 = await _database.Table <Model.UserAccount>().Where(x => x.ID == friendid).FirstOrDefaultAsync();
Model.FriendAccount d2 = await _database.Table <Model.FriendAccount>().Where(x => (x.Username == users.Username && x.FriendUsername == d1.Username) || (x.Username == d1.Username && x.FriendUsername == users.Username)).FirstOrDefaultAsync();
Model.FriendID d3 = await _database.Table <Model.FriendID>().Where(x => x.ID == "1").FirstOrDefaultAsync();
if (d2 == null)
{
List <Model.FriendAccount> usercnt = await _database.Table <Model.FriendAccount>().ToListAsync();
int id = Convert.ToInt32(d3.FriendlistID);
id = id + 1;
friend.ID = id.ToString();
friend.Username = users.Username;
friend.FriendUsername = d1.Username;
d3.FriendlistID = id.ToString();
await App.MyDatabase.SaveFriendIDInfo(d3);
await App.MyDatabase.SaveFriendInfo(friend);
await DisplayAlert("Successful", "Add friend successfully", "OK");
}
else
{
await DisplayAlert("Fail", "he/she is your friend", "OK");
}
}
else
{
await DisplayAlert("Add Friend", "Please select a friend", "OK");
}
}
public ProfilePage(Model.UserAccount user)
{
InitializeComponent();
Showuser(user.Username);
}
public SearchFriendPage(Model.UserAccount user)
{
InitializeComponent();
Showuser(user.Username);
}
public FriendListPage(Model.UserAccount username)
{
InitializeComponent();
Showfriend(username.Username);
}
public Task <List <Model.FriendAccount> > FriendList(Model.UserAccount user)
{
return(_database.Table <Model.FriendAccount>().Where(x => x.Username == user.Username || x.FriendUsername == user.Username).ToListAsync());
}
//when this method invoked, it pass useraccount object and write info object data to database
public async Task SaveInfo(Model.UserAccount info)
{
await _database.InsertAsync(info);
}
/// <summary>
/// 对象实体绑定数据
/// </summary>
public Model.UserAccount ReaderBind(IDataReader dataReader)
{
Model.UserAccount model=new Model.UserAccount();
object ojb;
ojb = dataReader["UID"];
if(ojb != null && ojb != DBNull.Value)
{
model.UID=Convert.ToInt64(ojb);
}
model.RealName=dataReader["RealName"].ToString();
ojb = dataReader["Sex"];
if(ojb != null && ojb != DBNull.Value)
{
model.Sex=Convert.ToInt32(ojb);
}
model.Email=dataReader["Email"].ToString();
model.PassWord=dataReader["PassWord"].ToString();
ojb = dataReader["Status"];
if(ojb != null && ojb != DBNull.Value)
{
model.Status=Convert.ToInt32(ojb);
}
ojb = dataReader["CreateDate"];
if(ojb != null && ojb != DBNull.Value)
{
model.CreateDate=Convert.ToDateTime(ojb);
}
model.OpenId=dataReader["OpenId"].ToString();
model.Mobile=dataReader["Mobile"].ToString();
ojb = dataReader["Age"];
if(ojb != null && ojb != DBNull.Value)
{
model.Age=Convert.ToInt32(ojb);
}
model.Addr=dataReader["Addr"].ToString();
model.Descri=dataReader["Descri"].ToString();
ojb = dataReader["Integral"];
if(ojb != null && ojb != DBNull.Value)
{
model.Integral=Convert.ToDecimal(ojb);
}
return model;
}