代码生成器
2014-04-30 10:56
260 查看
一.界面设计
二.具体代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace 代码生成器1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnLink_Click(object sender, EventArgs e)
{
string sql = "select * from INFORMATION_SCHEMA.TABLES";
DataTable dt = ExecuteDatatable(sql);
foreach (DataRow row in dt.Rows)
{
string tableName = (string)row["TABLE_NAME"];
clbDatabase.Items.Add(tableName);
}
}
private static string constr = ConfigurationManager.ConnectionStrings["dbconstr"].ConnectionString;
#region 数据库链接
private DataTable ExecuteDatatable(string sql, params SqlParameter[] parameters)
{
using (SqlConnection conn = new SqlConnection(constr))
{
conn.Open();
using (SqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = sql;
cmd.Parameters.AddRange(parameters);
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
DataSet dataset = new DataSet();
adapter.Fill(dataset);
return dataset.Tables[0];
}
}
}
#endregion
#region 代码生成
private void btnGenerate_Click(object sender, EventArgs e)
{
string sql = "select * from INFORMATION_SCHEMA.COLUMNS where TABLE_NAME=@tabel";
foreach (string tablename in clbDatabase.CheckedItems)
{
DataTable dt = ExecuteDatatable(sql,
new SqlParameter("@tabel", tablename));
//MessageBox.Show(dt.TableName.ToString());
StringBuilder sb = new StringBuilder();
sb.AppendLine("Class " + tablename);
sb.AppendLine("{");
foreach (DataRow row in dt.Rows)
{
string dataType = ToVSType((string)row["DATA_TYPE"]);
string dataName = (string)row["COLUMN_NAME"];
sb.AppendLine("public " + dataType + " " + dataName + " {get;set;}");
}
sb.AppendLine("}");
MessageBox.Show(sb.ToString());
}
}
#endregion
//数据库数据类型向VS转换
private string ToVSType(string dataType)
{
switch (dataType)
{
case "int":
return "int";
//break;
case "nchar":
case "text":
return "string";
//break;
case "bit":
return "bool";
//break;
case "DateTime":
return "datetime";
//break;
default :
return "object";
}
}
}
}
二.具体代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace 代码生成器1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnLink_Click(object sender, EventArgs e)
{
string sql = "select * from INFORMATION_SCHEMA.TABLES";
DataTable dt = ExecuteDatatable(sql);
foreach (DataRow row in dt.Rows)
{
string tableName = (string)row["TABLE_NAME"];
clbDatabase.Items.Add(tableName);
}
}
private static string constr = ConfigurationManager.ConnectionStrings["dbconstr"].ConnectionString;
#region 数据库链接
private DataTable ExecuteDatatable(string sql, params SqlParameter[] parameters)
{
using (SqlConnection conn = new SqlConnection(constr))
{
conn.Open();
using (SqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = sql;
cmd.Parameters.AddRange(parameters);
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
DataSet dataset = new DataSet();
adapter.Fill(dataset);
return dataset.Tables[0];
}
}
}
#endregion
#region 代码生成
private void btnGenerate_Click(object sender, EventArgs e)
{
string sql = "select * from INFORMATION_SCHEMA.COLUMNS where TABLE_NAME=@tabel";
foreach (string tablename in clbDatabase.CheckedItems)
{
DataTable dt = ExecuteDatatable(sql,
new SqlParameter("@tabel", tablename));
//MessageBox.Show(dt.TableName.ToString());
StringBuilder sb = new StringBuilder();
sb.AppendLine("Class " + tablename);
sb.AppendLine("{");
foreach (DataRow row in dt.Rows)
{
string dataType = ToVSType((string)row["DATA_TYPE"]);
string dataName = (string)row["COLUMN_NAME"];
sb.AppendLine("public " + dataType + " " + dataName + " {get;set;}");
}
sb.AppendLine("}");
MessageBox.Show(sb.ToString());
}
}
#endregion
//数据库数据类型向VS转换
private string ToVSType(string dataType)
{
switch (dataType)
{
case "int":
return "int";
//break;
case "nchar":
case "text":
return "string";
//break;
case "bit":
return "bool";
//break;
case "DateTime":
return "datetime";
//break;
default :
return "object";
}
}
}
}
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