/// <summary> /// 更新一条数据 /// </summary> public bool Update(Dapper.Model.users model) { StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); List <SqlParameter> paras = new List <SqlParameter>(); strSql.Append("update " + databaseprefix + "users set "); foreach (PropertyInfo pi in pros) { //如果不是主键则追加sql字符串 if (!pi.Name.Equals("id")) { //判断属性值是否为空 if (pi.GetValue(model, null) != null) { str1.Append(pi.Name + "=@" + pi.Name + ","); //声明参数 paras.Add(new SqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值 } } } strSql.Append(str1.ToString().Trim(',')); strSql.Append(" where id=@id "); paras.Add(new SqlParameter("@id", model.id)); return(DbHelperSQL.ExecuteSql(strSql.ToString(), paras.ToArray()) > 0); }
/// <summary> /// 得到一个对象实体 /// </summary> public Dapper.Model.users GetModel(int id) { StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); Dapper.Model.users model = new Dapper.Model.users(); //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); foreach (PropertyInfo p in pros) { str1.Append(p.Name + ",");//拼接字段 } strSql.Append("select top 1 " + str1.ToString().Trim(',')); strSql.Append(" from " + databaseprefix + "users"); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; DataTable dt = DbHelperSQL.Query(strSql.ToString(), parameters).Tables[0]; if (dt.Rows.Count > 0) { return(DataRowToModel(dt.Rows[0])); } else { return(null); } }
/// <summary> /// 将对象转换实体 /// </summary> public Dapper.Model.users DataRowToModel(DataRow row) { Dapper.Model.users model = new Dapper.Model.users(); if (row != null) { //利用反射获得属性的所有公共属性 Type modelType = model.GetType(); for (int i = 0; i < row.Table.Columns.Count; i++) { //查找实体是否存在列表相同的公共属性 PropertyInfo proInfo = modelType.GetProperty(row.Table.Columns[i].ColumnName); if (proInfo != null && row[i] != DBNull.Value) { proInfo.SetValue(model, row[i], null);//用索引值设置属性值 } } } return(model); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(Dapper.Model.users model) { StringBuilder strSql = new StringBuilder(); StringBuilder str1 = new StringBuilder(); //数据字段 StringBuilder str2 = new StringBuilder(); //数据参数 //利用反射获得属性的所有公共属性 PropertyInfo[] pros = model.GetType().GetProperties(); List <SqlParameter> paras = new List <SqlParameter>(); strSql.Append("insert into " + databaseprefix + "users("); foreach (PropertyInfo pi in pros) { //如果不是主键则追加sql字符串 if (!pi.Name.Equals("id")) { //判断属性值是否为空 if (pi.GetValue(model, null) != null) { str1.Append(pi.Name + ","); //拼接字段 str2.Append("@" + pi.Name + ","); //声明参数 paras.Add(new SqlParameter("@" + pi.Name, pi.GetValue(model, null))); //对参数赋值 } } } strSql.Append(str1.ToString().Trim(',')); strSql.Append(") values ("); strSql.Append(str2.ToString().Trim(',')); strSql.Append(") "); strSql.Append(";select @@IDENTITY;"); object obj = DbHelperSQL.GetSingle(strSql.ToString(), paras.ToArray()); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 删除一条数据 /// </summary> public bool Delete(int id) { //获取用户旧数据 Dapper.Model.users model = GetModel(id); if (model == null) { return(false); } List <CommandInfo> sqllist = new List <CommandInfo>(); //删除积分记录 StringBuilder strSql1 = new StringBuilder(); strSql1.Append("delete from " + databaseprefix + "user_point_log"); strSql1.Append(" where user_id=@id"); SqlParameter[] parameters1 = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters1[0].Value = id; CommandInfo cmd = new CommandInfo(strSql1.ToString(), parameters1); sqllist.Add(cmd); //删除金额记录 StringBuilder strSql2 = new StringBuilder(); strSql2.Append("delete from " + databaseprefix + "user_amount_log"); strSql2.Append(" where user_id=@id"); SqlParameter[] parameters2 = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters2[0].Value = id; cmd = new CommandInfo(strSql2.ToString(), parameters2); sqllist.Add(cmd); //删除附件购买记录 StringBuilder strSql3 = new StringBuilder(); strSql3.Append("delete from " + databaseprefix + "user_attach_log"); strSql3.Append(" where user_id=@id"); SqlParameter[] parameters3 = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters3[0].Value = id; cmd = new CommandInfo(strSql3.ToString(), parameters3); sqllist.Add(cmd); //删除短消息 StringBuilder strSql4 = new StringBuilder(); strSql4.Append("delete from " + databaseprefix + "user_message "); strSql4.Append(" where post_user_name=@post_user_name or accept_user_name=@accept_user_name"); SqlParameter[] parameters4 = { new SqlParameter("@post_user_name", SqlDbType.NVarChar, 100), new SqlParameter("@accept_user_name", SqlDbType.NVarChar, 100) }; parameters4[0].Value = model.user_name; parameters4[1].Value = model.user_name; cmd = new CommandInfo(strSql4.ToString(), parameters4); sqllist.Add(cmd); //删除申请码 StringBuilder strSql5 = new StringBuilder(); strSql5.Append("delete from " + databaseprefix + "user_code"); strSql5.Append(" where user_id=@id"); SqlParameter[] parameters5 = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters5[0].Value = id; cmd = new CommandInfo(strSql5.ToString(), parameters5); sqllist.Add(cmd); //删除登录日志 StringBuilder strSql6 = new StringBuilder(); strSql6.Append("delete from " + databaseprefix + "user_login_log"); strSql6.Append(" where user_id=@id"); SqlParameter[] parameters6 = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters6[0].Value = id; cmd = new CommandInfo(strSql6.ToString(), parameters6); sqllist.Add(cmd); //删除用户地址簿 StringBuilder strSql7 = new StringBuilder(); strSql7.Append("delete from " + databaseprefix + "user_addr_book"); strSql7.Append(" where user_id=@id"); SqlParameter[] parameters7 = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters7[0].Value = id; cmd = new CommandInfo(strSql7.ToString(), parameters7); sqllist.Add(cmd); //删除OAuth授权用户信息 StringBuilder strSql8 = new StringBuilder(); strSql8.Append("delete from " + databaseprefix + "user_oauth"); strSql8.Append(" where user_id=@id"); SqlParameter[] parameters8 = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters8[0].Value = id; cmd = new CommandInfo(strSql8.ToString(), parameters8); sqllist.Add(cmd); //删除用户充值表 StringBuilder strSql9 = new StringBuilder(); strSql9.Append("delete from " + databaseprefix + "user_recharge"); strSql9.Append(" where user_id=@id"); SqlParameter[] parameters9 = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters9[0].Value = id; cmd = new CommandInfo(strSql9.ToString(), parameters9); sqllist.Add(cmd); //删除用户主表 StringBuilder strSql = new StringBuilder(); strSql.Append("delete from " + databaseprefix + "users"); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; cmd = new CommandInfo(strSql.ToString(), parameters); sqllist.Add(cmd); return(DbHelperSQL.ExecuteSqlTran(sqllist) > 0); }