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本人試圖在運行時生成一個新的java file，裏面寫著一個class，然後準備load這個class以用這個class來作更多的動作。於是寫了下面的代碼。
| CODE | public static R1Player getGeneratedNpc(String npcName, int loPt, int hiPt, int maxAtkBuy, int[] disallowedMoves){
//doGenerateNpc這裡會生成一個java檔案，是能夠被運行的一個class
String filePath = "src/battlesys/r1/playerCtrl/tp";
doGenerateNpc(filePath, npcName, loPt, hiPt, maxAtkBuy, disallowedMoves);
//試圖把剛生成的檔案建一個新的class
R1Player p = null;
try {
p = (R1Player) Class.forName(filePath.substring(4).replace('/', '.')).getConstructor(new Class[0]).newInstance();
} catch (Exception ex) {
System.err.println("Class initialization error: " + ex.getMessage() + ". Exception: " + ex);
ex.printStackTrace();
System.exit(0);
}
return p;
} |
結果出Exception：
| QUOTE | Class initialization error: battlesys.r1.playerCtrl.tp. Exception: java.lang.ClassNotFoundException: battlesys.r1.playerCtrl.tp
java.lang.ClassNotFoundException: battlesys.r1.playerCtrl.tp
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:303)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:316)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at battlesys.npcGenerator.npcGenerator.getGeneratedNpc(npcGenerator.java:305)
at battlesys.r1.R1Road.main(R1Road.java:227) |
於是沒想到要怎辦而上來求救  (這個是生成的檔案): | CODE | package battlesys.r1.playerCtrl;
import battlesys.*;
import battlesys.r1.*;
public class tp extends R1Player{
@Override
public void preStart(){
setName("走失的機械兵");
setTeamName("走失的機械兵");
giveHpPoint(0);
giveAtkPoint(0);
giveDefPoint(0);
giveSpdPoint(1);
giveMorPoint(1);
}
@Override
public MoveResult move(Player[] opposingPlayers, Player[] thisPlayers, int round, int battleNo, RandomEventResult reResult, MoveResult mResult){
Player target = Utility.randomPickPlayer(opposingPlayers);
return useStrongAtk(target);
}
}
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本篇文章已被 耒戈氏 於 Sep 16 2010, 11:51 編輯過
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java運行時生成的class不能讀取
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