import?java.io.FileReader;
import?java.util.LinkedList;
public?class?test?{
public?void?parseFileToNodeList()?throws?Exception?{
LinkedList<Node>?nodes?=?new?LinkedList<>();
String?filepath?=?"自己添";
BufferedReader?reader?=?new?BufferedReader(new?FileReader(filepath));
String?temp?=?reader.readLine();
while?(temp?!=?null)?{
//?解析字符串
String[]?data?=?temp.split(",");
double?d1?=?Double.parseDouble(data[0]);
double?d2?=?Double.parseDouble(data[1]);
String?str?=?data[2];
nodes.add(new?Node(d1,?d2,?str));
temp?=?reader.readLine();
}
reader.close();
for?(int?i?=?0;?i?<?nodes.size();?i++)?{
Node?currentNode?=?nodes.get(i);
if?(i?==?0)?{
Node?nextNode?=?nodes.get(i?+?1);
currentNode.setNext(nextNode);
}?else?if?(i?==?nodes.size()?-?1)?{
Node?previousNode?=?nodes.get(i?-?1);
currentNode.setPrevious(previousNode);
}?else?{
Node?nextNode?=?nodes.get(i?+?1);
currentNode.setNext(nextNode);
Node?previousNode?=?nodes.get(i?-?1);
currentNode.setPrevious(previousNode);
}
}
}
}
class?Node?{
double?f1;
double?f2;
String?str;
Node?next;
Node?previous;
public?Node(double?f1,?double?f2,?String?str)?{
super();
this.f1?=?f1;
this.f2?=?f2;
this.str?=?str;
}
public?double?getF1()?{
return?f1;
}
public?void?setF1(double?f1)?{
this.f1?=?f1;
}
public?double?getF2()?{
return?f2;
}
public?void?setF2(double?f2)?{
this.f2?=?f2;
}
public?String?getStr()?{
return?str;
}
public?void?setStr(String?str)?{
this.str?=?str;
}
public?Node?getNext()?{
return?next;
}
public?void?setNext(Node?next)?{
this.next?=?next;
}
public?Node?getPrevious()?{
return?previous;
}
public?void?setPrevious(Node?previous)?{
this.previous?=?previous;
}
}