Jay821的专栏

File fp = new File("路径"); //判断父目录 File p = new File(fp.getParent()); if (!p.exists()) { p.mkdirs(); } boolean bFile = fp.exists(); if (bFile == true) { } else { bFile = fp.mkdi

JFileChooser fileChooser = new JFileChooser(); // 创建打印作业 // 获取Systems 数据库中的值(path) Systems system = systemService.getPath("path"); String path = system.getValue(); String fileName = path +

Caused by: com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 2 counts of IllegalAnnotationExceptions java.util.Map is an interface, and JAXB can't handle interfaces. this problem is related to

JSONObject用到的jar包： commons-beanutils 1.7.0  commons-collections 3.1 commons-lang commons-logging ezmorph-1.0.3 json-lib-2.4-jdk15.jar 缺少有可能会报错：Could not initialize class net.sf.

public static void main(String[] args) { SshClient client=new SshClient(); try{ client.connect("ip"); PasswordAuthenticationClient pwd = new PasswordAuthenticationC

request.getRequestDispatcher("/TestServlet(调用的servlet)").forward(req,resp);