public static String readFile(String fileName) {
String output = "";
File file = new File(fileName);
if (file。exists()) {
if (file。
isFile()) {
try {
BufferedReader input = new BufferedReader(new FileReader(
file));
StringBuffer buffer = new StringBuffer();
String text;
while ((text = input。
readLine()) != null)
buffer。append(text + "\n");
output = buffer。toString();
} catch (IOException ioException) {
System。
err。println("File Error!");
}
} else if (file。isDirectory()) {
String[] dir = file。list();
output += "Directory contents:\n";
for (int i = 0; i < dir。
length; i++) {
output += dir[i] + "\n";
}
}
} else {
System。err。println("Does not exist!");
}
return output;
}
public static void main(String args[]) {
Map ab = new HashMap();
String str = readFile("C:/AbCircuitInfo");
String[] temp=str。
split("\\n");
for (int i = 0; i < temp。length; i++) {
ab。put(temp[i]。substring(0,temp[i]。indexOf(",")), temp[i]。substring(temp[i]。
indexOf(",")+1,temp[i]。length()));
}
}。
答：详情>>
