| 提交 | 用户 | 时间 | ||
| e46d3b | 1 | using System; |
| 懒 | 2 | using System.Collections.Generic; |
| 3 | using System.Data; | |
| 4 | using System.Linq; | |
| 5 | using System.Text; | |
| 6 | using YX.Entity; | |
| 7 | namespace YX.DAL | |
| 8 | { | |
| 9 | public static class System_Dal | |
| 10 | { | |
| 11 | ||
| 12 | /// <summary> | |
| 13 | /// 获取数据库所有表名 | |
| 14 | /// </summary> | |
| 15 | /// <returns></returns> | |
| 16 | public static List<string > GetTableName() | |
| 17 | { | |
| 18 | List<string>list=new List<string>(); | |
| 19 | try | |
| 20 | { | |
| 21 | using (Sam_DBEntities db=new Sam_DBEntities()) | |
| 22 | { | |
| 23 | string sql = @"select Name as TABLE_NAME from sysobjects where xtype = 'u' and status >= 0 and Name != 'sysdiagrams'"; | |
| 24 | ||
| 25 | DataTable dt= SqlHelper.ExecuteDataset(db.Database.Connection.ConnectionString, CommandType.Text, sql).Tables[0]; | |
| 26 | if (dt != null) | |
| 27 | { | |
| 28 | foreach (DataRow dr in dt.Rows) | |
| 29 | { | |
| 30 | list.Add(dr["TABLE_NAME"].ToString()); | |
| 31 | } | |
| 32 | } | |
| 33 | ||
| 34 | return list; | |
| 35 | } | |
| 36 | ||
| 37 | ||
| 38 | } | |
| 39 | catch (Exception ex) | |
| 40 | { | |
| 41 | ||
| 42 | throw ex; | |
| 43 | } | |
| 44 | } | |
| 45 | /// <summary> | |
| 46 | /// 获取某一个表的所有字段 | |
| 47 | /// </summary> | |
| 48 | /// <param name="object_id">表名</param> | |
| 49 | /// <returns></returns> | |
| 50 | public static DataTable GetSyscolumns(string object_id) | |
| 51 | { | |
| 52 | DataTable dt = new DataTable(); | |
| 53 | try | |
| 54 | { | |
| 55 | using (Sam_DBEntities db=new Sam_DBEntities()) | |
| 56 | { | |
| 57 | string strSql = ""; | |
| 58 | if (!string.IsNullOrEmpty(object_id) && object_id != "未选择") | |
| 59 | { | |
| 60 | strSql = @"SELECT | |
| 61 | [列名]=a.name, | |
| 62 | [数据类型]=b.name, | |
| 63 | [长度]=COLUMNPROPERTY(a.id,a.name,'PRECISION'), | |
| 64 | [是否为空]=case when a.isnullable=1 then '√'else '' end, | |
| 65 | [默认值]=isnull(e.text,''), | |
| 66 | [说明]=isnull(g.[value],'未填说明') | |
| 67 | FROM syscolumns a | |
| 68 | left join systypes b on a.xusertype=b.xusertype | |
| 69 | inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties' | |
| 70 | left join syscomments e on a.cdefault=e.id | |
| 71 | left join sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id | |
| 72 | left join sys.extended_properties f on d.id=f.major_id and f.minor_id=0 | |
| 73 | where d.name='" + object_id + "' order by a.id,a.colorder"; | |
| 74 | return SqlHelper.ExecuteDataset(db.Database.Connection.ConnectionString, CommandType.Text, strSql).Tables[0]; | |
| 75 | } | |
| 76 | } | |
| 77 | ||
| 78 | } | |
| 79 | catch (Exception) | |
| 80 | { | |
| 81 | ||
| 82 | throw; | |
| 83 | } | |
| 84 | return dt; | |
| 85 | } | |
| 86 | public static int DbBackup(string FilePath) | |
| 87 | { | |
| 88 | try | |
| 89 | { | |
| 90 | using (Sam_DBEntities db=new Sam_DBEntities()) | |
| 91 | { | |
| 92 | string sql = string.Format(@"BACKUP DATABASE Sam_DB | |
| 93 | TO DISK = N'{0}' | |
| 94 | WITH NOFORMAT | |
| 95 | , NOINIT | |
| 96 | , NAME = N'Sam_DB' | |
| 97 | , SKIP | |
| 98 | , REWIND | |
| 99 | , NOUNLOAD | |
| 100 | , STATS = 10", FilePath); | |
| 101 | ||
| 102 | int i = SqlHelper.ExecuteNonQuery(db.Database.Connection.ConnectionString, CommandType.Text, sql); | |
| 103 | return i; | |
| 104 | } | |
| 105 | ||
| 106 | } | |
| 107 | catch (Exception ex) | |
| 108 | { | |
| 109 | ||
| 110 | throw ex; | |
| 111 | } | |
| 112 | } | |
| 113 | /// <summary> | |
| 114 | /// 日志写数据库中 | |
| 115 | /// </summary> | |
| 116 | /// <param name="loginfo"></param> | |
| 117 | /// <returns></returns> | |
| 118 | public static int WriteLogToDB(Base_Log loginfo) | |
| 119 | { | |
| 120 | try | |
| 121 | { | |
| 122 | using (Sam_DBEntities db=new Sam_DBEntities()) | |
| 123 | { | |
| 124 | loginfo.CreateTime = DateTime.Now; | |
| 125 | loginfo.LogID = Guid.NewGuid().ToString(); | |
| 126 | db.Base_Log.Add(loginfo); | |
| 127 | return db.SaveChanges(); ; | |
| 128 | } | |
| 129 | } | |
| 130 | catch (Exception ex) | |
| 131 | { | |
| 132 | ||
| 133 | throw ex; | |
| 134 | } | |
| 135 | } | |
| 136 | ||
| fd5f7c | 137 | public static DataTable GetSystemLog(string ip ,string type) |
| e46d3b | 138 | { |
| 懒 | 139 | DataTable dt = new DataTable(); |
| 140 | try | |
| 141 | { | |
| 142 | using (Sam_DBEntities db = new Sam_DBEntities()) | |
| 143 | { | |
| fd5f7c | 144 | var sql = @"SELECT top 35 LogMessage,CreateTime FROM Base_Log where type='" + type + "' and LocalIP= '" + ip+ "' ORDER BY CreateTime DESC "; |
| e46d3b | 145 | dt = SqlHelper.ExecuteDataset(db.Database.Connection.ConnectionString, CommandType.Text, sql).Tables[0]; |
| 懒 | 146 | } |
| 147 | } | |
| 148 | catch (Exception ex) | |
| 149 | { | |
| 150 | ||
| 151 | throw ex; | |
| 152 | } | |
| 153 | return dt; | |
| 154 | } | |
| 155 | } | |
| 156 | } | |
