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//WEBÕ¾µã¸ùĿ¼
request.getRealPath("/");
application.getRealPath("/");
//WEBÕ¾µãJSP±àÒëÎļþĿ¼
String classFile = getClass().getName().substring(getClass().getName().lastIndexOf(".") + 1)+ ".java";
String path = getClass().getResource(classFileName);
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/**
* @author hujing
* @version 1.0
* @date 2009-9-9
* @class_displayName FilePath
*/
public class FilePath {
public static FilePath getInstance() {
return new FilePath();
}
public String getWebClassesPath() {
String path = getClass().getProtectionDomain().getCodeSource().getLocation().getPath();
return path;
}
/**
* get web rootPath
*/
public static String BL_getRootPath() {
//String path = FilePath.getInstance().getWebClassesPath();
String path = FilePath.getInstance().getRootPath();
path = path.substring(6);
int t = path.indexOf("WEB-INF");
path = path.substring(0, t);
return path;
}
public String getRootPath() {
String path = "";
try {
path = Thread.currentThread().getContextClassLoader().getResource("/").toString();
} catch (Exception e) {
e.printStackTrace();
}
return path;
}
}


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import java.util.ArrayList;
class MyResource {
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    public MyResource(ArrayList<Integer> arrList) {
        this.arrList = arrList;
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