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以前很多时候都是使用codesmith或动软生成相关的数据库访问代码（不喜欢使用持久化框架），可以codesmith对中文的支持不好，新下载的6.5的版本，怎样都不能正确显示中文，动软代码生成器的表字段的注释永远都显示不了（李天平的败笔），有几个属性如mysql的smallint,tinyint，得重新更改选项的映射表，太麻烦了。虽然说动软现在提供了模块生成功能，批量生成中对表的重命名也不能够，功能有点弱呀，于是自己写个代码生成器，按自己的规则去生成，注释也出来了，多了注释提示，对开发帮助很大的。代码如下：
private void CreateModel() { string connectionString = "server=127.0.0.1;port=3306;User Id=root;Password=root;database=ipbroadcast;Connect Timeout=60;Treat Tiny As Boolean=False"; MySql.Data.MySqlClient.MySqlConnection conn = new MySql.Data.MySqlClient.MySqlConnection(connectionString); conn.Open(); DataTable table = conn.GetSchema("TABLES"); foreach (DataRow row in table.Rows) { DataTable sheetTable = GetSchemaTable(conn, row); string tName = row["TABLE_NAME"].ToString(); CreateEntityFile(conn, tName, sheetTable); } conn.Close(); } private DataTable GetSchemaTable(MySqlConnection conn, DataRow row) { string sheetName = row["TABLE_Name"].ToString(); MySqlCommand com = conn.CreateCommand(); com.CommandType = CommandType.Text; com.CommandText = "Select * From " + sheetName; IDataReader reader = com.ExecuteReader(CommandBehavior.SchemaOnly); DataTable table = reader.GetSchemaTable(); com.Dispose(); reader.Close(); return table; } private void CreateEntityFile(MySqlConnection conn, string tName, DataTable table) { //定义生成文件的路径 string tableName = tName; string schemaName = ""; string colName = ""; string path = @"F:/IPBroadcastModel/Model1"; if (!Directory.Exists(path)) Directory.CreateDirectory(path); MySqlCommand com = conn.CreateCommand(); com.CommandType = CommandType.Text; Dictionary<string, string> dict = new Dictionary<string, string>(); bool isGetComment = false; //写文件 string clsName = "Ety" + tableName.Substring(3, 1).ToUpper() + tableName.Substring(4); string fileName = clsName + ".cs"; string fullName = Path.Combine(path, fileName); using (FileStream fs = new FileStream(fullName, FileMode.Create)) { StreamWriter sw = new StreamWriter(fs, Encoding.UTF8); sw.WriteLine("using System;"); sw.WriteLine("using System.Text;"); sw.WriteLine("using System.Collections.Generic; "); sw.WriteLine("using System.Data;"); sw.WriteLine("namespace AEBell.DBManager"); sw.WriteLine("{"); sw.WriteLine("/t[Serializable]"); sw.WriteLine("/tpublic class " + clsName); sw.WriteLine("/t{"); foreach (DataRow row in table.Rows) { //tableName = row["BaseTableName"].ToString(); colName = row["ColumnName"].ToString(); schemaName = row["BaseSchemaName"].ToString(); if (!isGetComment) { isGetComment = true; GetFielComment(tableName, schemaName, com, dict); } sw.WriteLine("/t/t/// <summary>"); sw.WriteLine("/t/t/// " + dict[colName]); sw.WriteLine("/t/t/// </summary>"); Type info = row["DataType"] as Type; string declear = info.Name; if (declear.ToUpper() == "SBYTE") //为了适应动软。 declear = "Byte"; bool isNull = (bool)row["AllowDBNull"]; if (isNull && info.BaseType.Name == "ValueType") declear += "?"; sw.WriteLine("/t/tpublic " + declear + " " + colName.Substring(0, 1).ToUpper() + colName.Substring(1)); sw.WriteLine("/t/t{"); sw.WriteLine("/t/t/tget;"); sw.WriteLine("/t/t/tset;"); sw.WriteLine("/t/t}"); } sw.WriteLine("/t}"); sw.WriteLine("}"); sw.Close(); } } private static void GetFielComment(string tableName, string schemaName, MySqlCommand com, Dictionary<string, string> dict) { string comment = ""; com.CommandText = "Select COLUMN_NAME,DATA_TYPE, COLUMN_COMMENT From INFORMATION_SCHEMA.COLUMNS where table_name ='" + tableName + "' AND table_schema = '" + schemaName + "'"; // AND column_name LIKE '" + colName + "'"; IDataReader reader = com.ExecuteReader(); while (reader.Read()) { string colName = reader.GetString(0); comment = reader.GetString(2); dict[colName] = comment; } reader.Close(); }虽然实现不是很严谨，DAL和BLL层也没有实现，但有需要之人是可以很快实现的。不对之处，请指正。
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