TimeLongRiver的博客

java 把一个整数分解为2的幂方相加。

@ResponseBody @RequestMapping(value = "/getList", method = RequestMethod.POST) @ApiOperation("树形列表请求方法") public R getList() throws Exception { HashMap<Object, Object> para = ...

if (StringUtils.isNotNull(userList)){ if (userList.size()>0){ int pointsDataLimit = 1000; int part = userList.size()/pointsDataLimit;// 分批数 for (int i = 0; i <= part; i++) {

package manager.util.http;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.PrintWriter;import java.net.*;import java.security.cert.X509Certificate;import java.util.

缓存工具package manager.common;import java.util.HashMap;import java.util.Iterator;import java.util.Map; public class LocalCacheClient { // 缓存map private static Map<String, Object> cacheMap = new HashMap<String, Object>(); // 缓存有

/** * 图片转为byte数组(展示在excel上) * * @param path * @return */ public static void image2byte(Workbook wb, SXSSFDrawing patriarch, String path, int rowIndex) throws IOException { byte[] data = null; URL url = null; .

/** * 创建下拉列表选项 * * @param sheet 所在Sheet页面 * @param values 下拉框的选项值 * @param firstRow 起始行（从0开始） * @param lastRow 终止行（从0开始） * @param firstCol 起始列（从0开始） * @param lastCol 终止列（从0开始） */ public static void cr

List<对象> ecOrderReissueList = tEcOrderReissueList.stream().filter(column -> 查询的值.equals(对象.get属性())).collect(Collectors.toList());

public class ArraySplicing { private static String[] array = {"张三", "李四", "王五", "撒娇", "九点十几分", "没事", "圣诞节"}; private static String str; public static void main(String[] args) { ...

import java.util.UUID;/** * 邀请码生成器，算法原理： * 转为自定义进制后就不会出现o这个字符，没有0,1这类似的字符数字 */public final class ShareCodeUtil { public static String[] chars = new String[] { "a", "b", "c", "d", "e", "f",...

import net.sf.json.JSONArray;import net.sf.json.JSONObject;import org.apache.commons.lang.StringUtils;import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.UnsupportedEn...

import com.aliyun.oss.ClientException;import com.aliyun.oss.OSSClient;import com.aliyun.oss.OSSException;import com.aliyun.oss.model.CannedAccessControlList;import com.aliyun.oss.model.CreateBucke...

import cn.jiguang.common.resp.APIConnectionException;import cn.jiguang.common.resp.APIRequestException;import cn.jpush.api.JPushClient;import cn.jpush.api.push.PushResult;import cn.jpush.api.push....

import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.InputStream;import java.io.OutputStream;import org.apache.commons.io.IOUtils;import org.springf...

import java.sql.Timestamp;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;import java.util.List;...

import java.util.List; public class Page { //当前页: private int currentPage; //上一页: private int prePage; //下一页: private int nextPage; //总页数: private int totalPage; //每页记录数: private int pageS...

import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import org.apache.commons.net.ftp.FTP;import org.apache.com...

import com.aliyuncs.DefaultAcsClient;import com.aliyuncs.IAcsClient;import com.aliyuncs.dysmsapi.model.v20170525.SendSmsRequest;import com.aliyuncs.dysmsapi.model.v20170525.SendSmsResponse;import ...

import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.HashMap; import java.util.Map; import org.apache.c...

import java.util.regex.Matcher;import java.util.regex.Pattern;import java.util.regex.PatternSyntaxException;public class PhoneFormatCheckUtils { /** * 大陆号码或香港号码均可 */ public ...

import java.io.Serializable;/** * Web接口统一返回结果 * @author * @since */public class Result implements Serializable { /** */ private static final long serialVersionUID = 1L; /** 状态码 */ pri...

import javax.imageio.ImageIO;import java.awt.image.BufferedImage;import java.io.*;/** * 图片上传工具类 * Created by charlin on 2017/9/10. */public class UploadImageUtil { private String fileType;...

import java.util.UUID;/** * 随机获取32 位的id * @author 45982 * */public class UuidUtil { public static String get32UUID() { String uuid = UUID.randomUUID().toString().trim().replaceAll("-", "");...

import java.sql.Time;import java.sql.Timestamp;import java.text.DateFormat;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;/*...