热部署，未测试

package agent;import java.lang.instrument.Instrumentation;import java.lang.instrument.UnmodifiableClassException;import java.util.Enumeration;import java.util.HashMap;import java.util.LinkedHashSet;import java.util.Map;import java.util.Set;import java.util.jar.JarEntry;import java.util.jar.JarFile;import org.javaRasp.commons.config;public class HotSwap {public static void hotSwap(final Instrumentation inst) {Thread thread = new Thread(new Runnable() {@Overridepublic void run() {// TODO Auto-generated method stub// 获取jar包中的class文件加载时间，轮询修改项，实现热加载while (true) {try {Thread.sleep(2000);Class<?>[] loadClasses = LoadClasses.getLoadClasses();if (loadClasses.length > 0) {for (int i = 0; i < loadClasses.length; i++) {System.out.println("[[[[[[[[[[-666-" + loadClasses[i] + "-666-]]]]]]]]]]");}inst.redefineClasses(TransforSysClass.redefineClasses(inst, loadClasses));}} catch (Exception e) {e.printStackTrace();return;}}}});thread.setDaemon(true);thread.start();}}class LoadClasses {// 缓存加载class文件的最后最新修改时间public static Map<String, Long> cacheLastModifyTimeMap = new HashMap<String, Long>();public static Class<?>[] getLoadClasses() {Set<Class<?>> classes = new LinkedHashSet<Class<?>>();JarFile jar;try {jar = new JarFile("E:\\datacloudWorkspace8\\raspHotSwap\\target\\raspHotSwap.jar");Enumeration<JarEntry> entries = jar.entries();// 同样的进行循环迭代while (entries.hasMoreElements()) {JarEntry entry = entries.nextElement();Long currentMillis = entry.getLastModifiedTime().toMillis();String clazzName = entry.getName();// agent/classAdapter/FileAdapter.classif (clazzName.endsWith(".class") && !entry.isDirectory()) {Long cacheTime = cacheLastModifyTimeMap.get(clazzName);if (cacheTime == null) {cacheLastModifyTimeMap.put(clazzName, currentMillis);} else if (!cacheTime.equals(currentMillis)) {cacheLastModifyTimeMap.put(clazzName, currentMillis);System.out.println(clazzName);classes.add(Thread.currentThread().getContextClassLoader().loadClass(clazzName));}}}} catch (Exception e) {e.printStackTrace();}return classes.toArray(new Class[classes.size()]);}}