Add link type information for link

tjnetwork.py

@@ -842,13 +842,13 @@ def get_network_node_coords(name: str) -> dict[str, dict[str, float]]:
     return result
 
 # DingZQ, 2024-12-08, get all links' start and end node
-# link_id:node_id1:node_id2
+# link_id:link_type:node_id1:node_id2
 def get_network_link_nodes(name: str) -> list[str]:
-    links = api.get_links(name)
+    links_id_and_type = api.get_links_id_and_type(name)
     result = []
-    for link_id in links:
+    for link_id, link_type in links_id_and_type.items():
         nodes = api.get_link_nodes(name, link_id)
-        result.append(f"{link_id}:{nodes[0]}:{nodes[1]}")
+        result.append(f"{link_id}:{link_type}:{nodes[0]}:{nodes[1]}")
     return result
 
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