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import java.security.Key;import java.security.SecureRandom;import javax.crypto.Cipher;import javax.crypto.KeyGenerator;import sun.misc.BASE64Decoder;import sun.misc.BASE64Encoder;/** * @author * 加密/解密 公共类 */@SuppressWarnings("restriction")public class DESUtils { private static Key ke ...
// 对android和ios设备发送
JPushClient jpush = new JPushClient(masterSecret, appKey);
// 对android和ios设备发送,同时指定离线消息保存时间
JPushClient jpush = new JPushClient(masterSecret, appKey, timeToLive);
// 指定某种设备发送
JPushClient jpush = new JPushClient(masterSecret, appKey, DeviceEnum.Andr ...
注：需要去官网下载 jpush-client-3.2.3.jar
/**
* 极光推送工具类
* @author why
*
*/
@SuppressWarnings("all")
public class JPushAllUtil {
private final static String appKey = "";
private final static String masterSecret = "";
/**
* 测试方法
*/
public static void ma ...
package com.html;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import ...
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content = "text/html,charset=utf-8">
<title>time test</title>
<style type="text/css">
.time{font-size:50px;color:red;}
</style>
<script type=&quo ...
<div class="iteye-blog-content-contain" style="font-size: 14px">
实现简单的互相发信息
/*
* 客户端
*/
public class Client
{
private static final int PORT = 8089;
private static final String HOST = "127.0.0.1";
public static void main(String[] args){
System ...
1、测试需要导入的jar包：
① Junit4.jar
② Spring-Test
2、添加SpringTestBase类：
import org.junit.runner.RunWith; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; import org.springframework.test.context.transact ...
<script charset="utf-8" type="text/javascript" src="http://c.csdnimg.cn/pubfooter/js/tracking.js"></script><script type="text/javascript">// <![CDATA[
var protocol = window.location.protocol;
document.write('<script typ ...
<!-- saved from url=(0048)http://code.ciaoca.com/jquery/validation_engine/ -->
jQuery Validation Engine 表单验证 - 前端开发仓库
<script type="text/javascript" src="/admin/blogs/jQuery%20Validation%20Engine%20%E8%A1%A8%E5%8D%95%E9%AA%8C%E8%AF%81%20-%20%E5%89%8D%E7%AB%AF%E5%BC%80 ...
自定义jsp标签:
step1,写一个java类，继承SimpleTagSupport类。 step2,在doTag方法里面，编写处理逻辑。 step3,在.tld文件里面，描述标签。 <body-content>empty</body-content>: empty: jsp标签没有标签体。 <body-content>scriptless</body-content> scriptless:jsp标签可以有标签 ...
package cn.leinuoa.collection;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Leinuoa
* 在控制台输入 ...
4种方法，都是四舍五入，例：[size=small][size=x-small][/size][/size]
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.text.NumberFormat;
public class format {
double f = 111231.5585;
public void m1() {
BigDecimal bg = new BigDecimal(f);
double f1 = bg.setScale(2, Bi ...