public static void AddEmbranchmentShippings(Embranchment from, Embranchment to, int weighting)
{
if (!EmbranchmentShippings.Any(a => a.From == from && a.To == to))
{
EmbranchmentShippings.Add(new EmbranchmentShipping(from, to, weighting));
}
}
public static Embranchment AddEmbranchment(string name)
{
var embranchment = Embranchments.Where(a => a.Name.Equals(name)).FirstOrDefault();
if (embranchment == null)
{
embranchment = new Embranchment(name);
Embranchments.Add(embranchment);
}
return(embranchment);
}
/// <summary>
/// 递归出一个节点下指定次数的所有路径
/// </summary>
/// <param name="nodes">收集并反回所有节点</param>
/// <param name="start">起始节点</param>
/// <param name="parent">父级节点</param>
/// <param name="level">递归层次</param>
/// <param name="stop">终结次数</param>
public static void ErgodicNodeFromStart(ref IList <EmbranchmentShippingNode> nodes,
Embranchment start,
EmbranchmentShippingNode parent, int level, int stop)
{
if (nodes == null)
{
nodes = new List <EmbranchmentShippingNode>();
}
if (level < stop)
{
//首次获取起始节点，后面取父级节点
IList <EmbranchmentShipping> shippings = null;
if (parent == null)
{
shippings = EmbranchmentShipping.EmbranchmentShippings.Where(a => a.From.Name.Equals(start.Name)).ToList();
}
else
{
shippings = EmbranchmentShipping.EmbranchmentShippings.Where(a => a.From.Name.Equals(parent.To.Name)).ToList();
}
foreach (var embranchmentShipping in shippings)
{
var node = new EmbranchmentShippingNode();
node.From = embranchmentShipping.From;
node.To = embranchmentShipping.To;
if (parent == null)
{
node.Paths = new List <EmbranchmentShipping>();
node.Paths.Add(embranchmentShipping);
}
else
{
var paths = parent.Paths.ToList();
paths.Add(embranchmentShipping);
node.Paths = paths;
}
nodes.Add(node);
ErgodicNodeFromStart(ref nodes, start, node, level + 1, stop);
}
}
}
private void btnImport_Click(object sender, EventArgs e)
{
try
{
var graphs = txtGraph.Text.Trim().Split(',');
foreach (var graph in graphs)
{
var processGraph = graph.Trim();
string fromName = processGraph.Substring(0, 1);
var from = Embranchment.AddEmbranchment(fromName);
string toName = processGraph.Substring(1, 1);
var to = Embranchment.AddEmbranchment(toName);
int weighting = Convert.ToInt32(processGraph.Substring(2, 1));
EmbranchmentShipping.AddEmbranchmentShippings(from, to, weighting);
}
MessageBox.Show("导入完成.");
}
catch (Exception ex)
{
MessageBox.Show("初始化数据的格式不正确." + ex.Message);
}
}
public EmbranchmentShipping(Embranchment from, Embranchment to, int duration)
{
this.From = from;
this.To = to;
this.Duration = duration;
}