Glory丶笨小孩

Spring request 工具类

public class RangeTask extends Thread { private final String url; private final String name; private long start; private long end; private long complete = 0; /** * @param url 文件http地址 * @param name 文件路径 * @param

1. 创建通用接口在通用接口中使用@InsertProvider,@UpdateProvider,@DeleteProvider,@SelectProvider注解配置增删改查的类和方法，并添加通用方法public interface BaseMapper<T, E> { @InsertProvider(type = BaseMapperProvider.class, m...

懒惰限定符：*? 重复任意次，但尽可能少重复（最短匹配，非贪婪匹配）+? 重复1次或更多次，但尽可能少重复?? 重复0次或1次，但尽可能少重复{n,m}? 重复n到m次，但尽可能少重复{n,}? 重复n次以上，但尽可能少重复public class Main { public static void main(String[] args) { String d...

public class PDFUtil { public static void htmls2pdf(String[] htmlFiles, String pdfFile) { Document document = new Document(); PdfCopy pdfCopy = null; //创建一个新文件 try { ...

public static boolean createFile(String ftl, Map<String, Object> data, String targetFile) { try { // 创建Template对象 Configuration cfg = new Configuration(Configuration.VERS

@Repositorypublic interface FormMapper { //type:要调用的class，method：要调用的方法 @SelectProvider(type = FromSql.class, method = "getFrom") List<Record> getFrom(List<Record> records); @Transaction

DBUtils.javapublic class DBUtils { private static String driverClassName; private static String url; private static String username; private static String password; public List<Reco

public class ZipUtils { private ZipUtils() { } /** * 压缩成ZIP 方法1 * * @param srcDir 压缩文件夹路径 * @param out 压缩文件输出流 */ public static void toZip(String srcDir, ...

1 编写DataSourceHolderpublic class DataSourceHolder { private static final ThreadLocal&lt;String&gt; threadLocal = new ThreadLocal&lt;&gt;(); /** * 获取当前线程的数据源路由的key */ public s...

@Componentpublic class SpringUtils implements ApplicationContextAware { private static ApplicationContext applicationContext; private static DefaultListableBeanFactory beanFactory; publ...

1. 编写注解@Target({ElementType.METHOD})@Retention(RUNTIME)public @interface Demo { String value() default "";}2. 编写拦截器public class DemoInteceptor extends HandlerInterceptorAdapter {...

Java FTPUtils加入maven依赖&lt;dependency&gt; &lt;groupId&gt;commons-net&lt;/groupId&gt; &lt;artifactId&gt;commons-net&lt;/artifactId&gt; &lt;version&gt;3.6&lt;/version&gt;&lt;/dependenc

CentOS安装MySQL

创建logout.Java用来记录当前在线的用户@SuppressWarnings(value = "ALL")public final class Logout implements Runnable { private static final HashMap MAP = new HashMap<>(); /** * 在登陆时将已登录的用户信息放入map