[英]Java BufferedReader reads two lines only
所以我有這個Void函數,該函數應該從.txt文件中讀取整數,並且它在大多數情況下都有效,只是它只讀取了前兩行,而我已經盡力了一切,但似乎沒有任何效果
public static void load(Player p) {
String line = "";
String token = "";
String token2 = "";
String[] token3 = new String[3];
boolean EndOfFile = false;
BufferedReader characterfile = null;
boolean File1 = false;
try {
characterfile = new BufferedReader(new FileReader("./cache/Player.txt"));
File1 = true;
} catch (FileNotFoundException fileex1) {
}
if (File1) {
// new File ("./characters/"+playerName+".txt");
} else {
System.out.println("character file not found.");
}
try {
line = characterfile.readLine();
} catch (IOException ioexception) {
System.out.println(": error loading file.");
}
while (EndOfFile == false && line != null) {
line = line.trim();
int spot = line.indexOf("=");
if (spot > -1) {
token = line.substring(0, spot);
token = token.trim();
token2 = line.substring(spot + 1);
token2 = token2.trim();
token3 = token2.split("\t");
if (token.equals("Difficulty")) {
Player.setDifficulty(Integer.parseInt(token2));
}
else if (token.equals("Player Health")) {
//System.out.println(token2);
System.out.println("debug");
Player.setHealth(Integer.parseInt(token2));
}
else if (token.equals("Player Strength")) {
//System.out.println(token2);
Player.setStrength(Integer.parseInt(token2));
}
try {
line = characterfile.readLine();
} catch (IOException ioexception1) {
System.out.println("sent");
EndOfFile = true;
}
}
try {
characterfile.close();
} catch (IOException ioexception) {
}
}
}
這是我的保存方法,可以正常使用。
public void save(Player p) {
BufferedWriter characterfile = null;
try {
characterfile = new BufferedWriter(new FileWriter("./cache/Player.txt"));
characterfile.write("Player Strength = ");
characterfile.write(Integer.toString(Player.getStrength()));
characterfile.newLine();
characterfile.write("Player Health = ");
characterfile.write(Integer.toString(Player.getHealth()));
characterfile.newLine();
characterfile.write("Difficulty = ");
characterfile.write(Integer.toString(Player.getDifficulty()));
characterfile.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
這就是我的Player.txt的樣子
Player Strength = 0
Player Health = 0
Difficulty = 0
再次,正如我說的,將讀取“玩家力量”和“玩家健康”,但是令牌甚至不會變得困難,或者將其完全跳過,我完全沒有主意。
調用br.readLine()
只會讀取一行。您可以循環播放,直到br.readLine()
不返回null
為止。
String line=null;
while((line=br.readLine())!=null){
//Do your stuff
}
您在while循環中關閉文件。
移動這些行:
try {
characterfile.close();
} catch (IOException ioexception) {
}
在各行之前添加一個“}”,並在其后刪除一個。
您調用characterfile.close();
在你的循環中。 這應該在循環之外( while (EndOfFile == false && line != null) { ...}
)。 第一個循環有效,但是您關閉了文件,第二個循環則由於嘗試讀取關閉的文件而得到IOException。
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