public bool Update(ref Library.Model.Book book)
{
LendingLibrary.Client.LibraryService.UpdateRequest inValue = new LendingLibrary.Client.LibraryService.UpdateRequest();
inValue.book = book;
LendingLibrary.Client.LibraryService.UpdateResponse retVal = ((LendingLibrary.Client.LibraryService.ILibraryService)(this)).Update(inValue);
book = retVal.book;
return(retVal.UpdateResult);
}
public bool Read(string key, out Library.Model.Book book)
{
LendingLibrary.Client.LibraryService.ReadRequest inValue = new LendingLibrary.Client.LibraryService.ReadRequest();
inValue.key = key;
LendingLibrary.Client.LibraryService.ReadResponse retVal = ((LendingLibrary.Client.LibraryService.ILibraryService)(this)).Read(inValue);
book = retVal.book;
return(retVal.ReadResult);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Library.Model.Book model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update book set ");
strSql.Append("name=@name,");
strSql.Append("author=@author,");
strSql.Append("publish=@publish,");
strSql.Append("price=@price,");
strSql.Append("date=@date,");
strSql.Append("isbn=@isbn,");
strSql.Append("cover=@cover");
strSql.Append(" where id=@id");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@name", DbType.String),
new SQLiteParameter("@author", DbType.String),
new SQLiteParameter("@publish", DbType.String),
new SQLiteParameter("@price", DbType.Int32,8),
new SQLiteParameter("@date", DbType.String),
new SQLiteParameter("@isbn", DbType.String),
new SQLiteParameter("@cover", DbType.String),
new SQLiteParameter("@id", DbType.Int32, 8)
};
parameters[0].Value = model.name;
parameters[1].Value = model.author;
parameters[2].Value = model.publish;
parameters[3].Value = model.price;
parameters[4].Value = model.date;
parameters[5].Value = model.isbn;
parameters[6].Value = model.cover;
parameters[7].Value = model.id;
int rows = SQLiteHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Library.Model.Book DataRowToModel(DataRow row)
{
Library.Model.Book model = new Library.Model.Book();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["name"] != null)
{
model.name = row["name"].ToString();
}
if (row["author"] != null)
{
model.author = row["author"].ToString();
}
if (row["publish"] != null)
{
model.publish = row["publish"].ToString();
}
if (row["price"] != null && row["price"].ToString() != "")
{
model.price = int.Parse(row["price"].ToString());
}
if (row["date"] != null)
{
model.date = row["date"].ToString();
}
if (row["isbn"] != null)
{
model.isbn = row["isbn"].ToString();
}
if (row["cover"] != null)
{
model.cover = row["cover"].ToString();
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Library.Model.Book model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into book(");
strSql.Append("name,author,publish,price,date,isbn,cover)");
strSql.Append(" values (");
strSql.Append("@name,@author,@publish,@price,@date,@isbn,@cover)");
strSql.Append(";select LAST_INSERT_ROWID()");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@name", DbType.String),
new SQLiteParameter("@author", DbType.String),
new SQLiteParameter("@publish", DbType.String),
new SQLiteParameter("@price", DbType.Int32,8),
new SQLiteParameter("@date", DbType.String),
new SQLiteParameter("@isbn", DbType.String),
new SQLiteParameter("@cover", DbType.String)
};
parameters[0].Value = model.name;
parameters[1].Value = model.author;
parameters[2].Value = model.publish;
parameters[3].Value = model.price;
parameters[4].Value = model.date;
parameters[5].Value = model.isbn;
parameters[6].Value = model.cover;
object obj = SQLiteHelper.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Library.Model.Book GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id,name,author,publish,price,date,isbn,cover from book ");
strSql.Append(" where id=@id");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@id", DbType.Int32, 4)
};
parameters[0].Value = id;
Library.Model.Book model = new Library.Model.Book();
DataSet ds = SQLiteHelper.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
public System.Threading.Tasks.Task <bool> AddAsync(Library.Model.Book book)
{
return(base.Channel.AddAsync(book));
}
public bool Add(Library.Model.Book book)
{
return(base.Channel.Add(book));
}
public UpdateResponse(bool UpdateResult, Library.Model.Book book)
{
this.UpdateResult = UpdateResult;
this.book = book;
}
public UpdateRequest(Library.Model.Book book)
{
this.book = book;
}
public ReadResponse(bool ReadResult, Library.Model.Book book)
{
this.ReadResult = ReadResult;
this.book = book;
}
