public Search()
{
InitializeComponent();
Width = listView2.Left;
comboBox_Source.SelectedIndex = 0;
MySqlite.InitDB();
if (!File.Exists(MySqlite.path))
{
Tools.CreateTable(); //不存在数据库，创建新表
}
UIColors.SetControlColors(this);
webTools = new Tools();
//网络请求结束的事件
webTools.HTMLGetCompleted += Tools_HTMLGetCompleted;
}