public FollowData(Follow follow, string name, string type, string email, string avatar)
{
this.follow = follow;
this.name = name;
this.type = type;
this.email = email;
this.avatar = avatar;
}
//关注
static public void Insert(Follow follow)
{
//string sql = "insert into favorite VALUES (" + favorite.user_id + "," + favorite.weike_id + ",'" + favorite.date + "',"+ favorite.isread+ ")";
string sql = "insert into follow VALUES (" + follow.user_id + "," + follow.following_id + ",'" + follow.followDate + "')";
MySqlConnection conn = Connection.getMySqlCon();
conn.Open();
MySqlCommand cmd = conn.CreateCommand();
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
sql = "update user set followNum = followNum+1 where user_id = @user_id";
cmd.CommandText = sql;
cmd.Parameters.AddWithValue("@user_id", follow.user_id);
cmd.ExecuteNonQuery();
conn.Close();
}
//找所有粉丝
static public List <FollowData> FindAllFollowers(int user_id)
{
List <FollowData> fdList = new List <FollowData>();
string sql = "SELECT follow.user_id,follow.following_id,follow.followDate,user.name,user.email,user.avatar FROM user inner join follow where user.user_id = follow.user_id and follow.following_id = @userid;";
MySqlConnection conn = Connection.getMySqlCon();
conn.Open();
MySqlCommand cmd = conn.CreateCommand();
cmd.CommandText = sql;
cmd.Parameters.AddWithValue("@userid", user_id);
MySqlDataReader reader = cmd.ExecuteReader();
while (reader.Read())
{
Follow follow = new Follow((int)reader["user_id"], (int)reader["following_id"], (DateTime)reader["followDate"]);
FollowData fd = new FollowData(follow, (string)reader["name"], "follower", reader.GetString("email"), reader.GetString("avatar"));
fdList.Add(fd);
}
reader.Close();
conn.Close();
return(fdList);
}