void worker_DoWork(object sender, DoWorkEventArgs e)
{
if (worker != null && worker.CancellationPending != true)
{
CodeEntityParameter entParam = e.Argument as CodeEntityParameter;
CodeGenerator.Core.CodeGenerator code = new CodeGenerator.Core.CodeGenerator();
CodeEntityDataReader entDataReader = new CodeEntityDataReader(GetConnStr(entParam.DataBaseName));
List<Table> list = new List<Table>();
foreach (var table in lstTable.Items)
{
list.Add(table as Table);
}
StartProgressDelegate startProgress = new StartProgressDelegate(StartProgress);
//progressBar.Invoke(startProgress, new object[] { list.Count, 0, 1, 0 });
action3 = StartProgress;
progressBar.Invoke(action3, new object[] { list.Count, 0, 1, 0 });
#region 用PLinq方式执行生成操作
//var pList = list.AsParallel<Table>();
//pList.ForAll((t) => {
// entDataReader.ColumnList(t as Table);
// code.CreateCodeFile(t as Table, entParam);
// ShowProgressDelegate showProgress = new ShowProgressDelegate(ShowProgress);
// progressBar.Invoke(showProgress);
// ShowLabelDelegate showLable = new ShowLabelDelegate(ShowLabel);
// lblMsg.Invoke(showLable, string.Format("正在处理数据表:{0}", t.Name));
//});
#endregion
#region 传统方式foreach执行生成操作
//foreach (var table in list)
//{
// entDataReader.ColumnList(table as Table);
// code.CreateCodeFile(table as Table, entParam);
// ShowProgressDelegate showProgress = new ShowProgressDelegate(ShowProgress);
// progressBar.Invoke(showProgress);
//}
#endregion
#region Parallel并行执行生成操作
Parallel.ForEach(list, (t) => {
entDataReader.GetColumns(t as Table);
code.CreateCodeFile(t as Table, entParam);
#region 委托方式使用1
//ShowProgressDelegate showProgress = new ShowProgressDelegate(ShowProgress);
//progressBar.Invoke(showProgress);
//ShowLabelDelegate showLable = new ShowLabelDelegate(ShowLabel);
//lblMsg.Invoke(showLable, string.Format("正在处理数据表:{0}", t.Name));
#endregion
#region 委托方式使用2
action1 = ShowProgress;
progressBar.Invoke(action1);
action2 = ShowLabel;
lblMsg.Invoke(action2, string.Format("正在处理数据表:{0}", t.Name));
#endregion
});
#endregion
}
}
private void btnGenerateCode_Click(object sender, EventArgs e)
{
Table table = new Table();
if (cboDatabase.SelectedValue == null)
{
MessageBox.Show("数据库未选择,未连接数据库?");
return;
}
string dbName = cboDatabase.SelectedValue.ToString();
CodeEntityDataReader entDataReader = new CodeEntityDataReader(GetConnStr(dbName));
table = lstTable.SelectedItem as Table;
if (table == null)
{
MessageBox.Show("未选择要生成的数据表");
return;
}
string tableName = table.Name;
List<Table> tableList = entDataReader.GetTables().ToList();
table = tableList.FirstOrDefault(m => m.Name == tableName);
entDataReader.GetColumns(table);
CodeEntityParameter entParam = GetEntityParameter();
CodeGenerator.Core.CodeGenerator code = new CodeGenerator.Core.CodeGenerator();
code.CreateCodeFile(table, entParam);
MessageBox.Show("生成成功!");
}