java 读配置文件路径。。

public class ClassLoaderTest {

public static void main(String[] args) {

    // 通过classLoader 获取资源
    URL url1 = ClassLoaderTest.class.getClassLoader().getResource(
            "net/csdn/ClassLoaderTest.class");
    System.out
            .println("ClassLoaderTest.class.getClassLoader().getResource("
                    + "\"net/csdn/ClassLoaderTest.class\") = [" + url1
                    + "]");

    // 通过Class 获取资源
    URL url2 = ClassLoaderTest.class.getResource("ClassLoaderTest.class");
    System.out.println("ClassLoaderTest.class.getResource("
            + "\"ClassLoaderTest.class\") = [" + url2 + "]");

    // 通过user.dir获取路径
    String path = System.getProperty("user.dir");
    System.out.println("System.getProperty(\"user.dir\") = [" + path + "]");

    Properties prop = new Properties();

    // 通过File方式获取conf.properties
    String confPath = path.concat("src")
            .concat(File.separator).concat("java").concat(File.separator)
            .concat("resource").concat(File.separator).concat("conf")
            .concat(File.separator).concat("conf.properties");
    System.out.println(confPath);

    File file = new File(confPath);
    InputStream is = null;
    if (file.exists() && !file.isDirectory()) {
        try {
            is = new FileInputStream(file);
            prop.load(is);
            System.out.println("File Load Successful. Name is: ["
                    + prop.getProperty("name") + "]");
            prop.clear();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
            System.out.println("File not Found Exception.");
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("Properties load Exception.");
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    } else {
        System.out.println("Can not find conf.properties from [" + confPath
                + "]");
    }

    // 通过ClassPath获取

    is = ClassLoaderTest.class.getClassLoader().getResourceAsStream(
            "conf/conf.properties");
    try {
        prop.load(is);
        System.out
                .println("ClassPath \"conf/conf.properties\" Load Successful. Name is: ["
                        + prop.getProperty("name") + "]");
        prop.clear();
    } catch (Exception e) {
        e.printStackTrace();
        System.out.println("Properties load Exception.");
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }

    is = ClassLoaderTest.class.getClassLoader().getResourceAsStream(
            "conf\\conf.properties");
    try {
        prop.load(is);
        System.out
                .println("ClassPath \"conf\\conf.properties\" Load Successful. Name is: ["
                        + prop.getProperty("name") + "]");
        prop.clear();
    } catch (Exception e) {
        e.printStackTrace();
        System.out.println("Properties load Exception.");
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }

}

}