package cn.org.rapid_framework.generator.util; import java.util.Properties; import junit.framework.TestCase; public class PropertyPlaceholderHelperTest extends TestCase { Properties props = new Properties(); public void test() { PropertyPlaceholderHelper helper = new PropertyPlaceholderHelper( "${", "}", ":", false); System.out.println(helper.replacePlaceholders("abc=${user.dir}", System.getProperties())); } }