刘成江-CSDN博客

转载 mysql 更新 SQL 语句无错误批量报错bad SQL grammar []错误

mapper.xml <update id="removeFalse"> <foreach collection="msid" separator=";" item="item"> UPDATE on_meeting_auction SET remove_false = 0

2018-06-14 14:02:17 7746

import java.io.IOException;import java.util.ArrayList;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.commons.collections.CollectionUtils;i...

2018-05-30 17:23:54 1178

转载 Maven使用常见问题整理

1、更新eclipse的classpath加入新依赖 1、在dependencyManagement里面加入包括版本在内的依赖信息，如： <dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> <version&...

2018-05-22 15:53:26 168

转载 Maven项目下update maven后Eclipse报错：java.lang.ClassNotFoundException: ContextLoaderL

严重: Error configuring application listener of class org.springframework.web.context.ContextLoaderListenerjava.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListenerat org.a...

2018-05-22 15:52:50 97

转载 Maven开发环境搭建

配置Maven流程：1.下载Maven,官网:http://maven.apache.org/ 2.安装到本地：　　1 ).解压apache-maven-x.x.x-bin.zip文件　　2 ).配置Maven:　　　　a.我的电脑->属性->高级系统设置->新建环境变量：MAVEN_HOME 值为：apache-maven-x.x.x-bin.zip文件的解压地址（C:\...

2018-04-10 18:42:52 179

原创生产者消费者 java 线程

package TT;import java.util.LinkedList;import java.util.Optional;import org.apache.tomcat.jni.Thread;public class Mycontainer1<T> { final private LinkedList<T> lists=new LinkedList...

2018-04-01 00:02:45 120

原创 AESTool

import javax.crypto.spec.IvParameterSpec;import org.bouncycastle.crypto.CipherParameters;import org.bouncycastle.crypto.engines.AESFastEngine;import org.bouncycastle.crypto.modes.CBCBlockCiphe

2017-08-30 14:55:01 1534

原创 HttpUtil

package com.hengf.until;import java.io.IOException;import java.io.InputStream;import java.io.StringReader;import java.util.ArrayList;import java.util.HashMap;import java.util.Iterator;

2017-08-30 14:48:57 213

原创 Base64加密解密

package com.hengf.until;import java.io.IOException;import java.io.UnsupportedEncodingException;import org.apache.http.protocol.HTTP;import sun.misc.BASE64Decoder;import sun.misc.BASE64

2017-08-30 14:46:10 467

原创 java 假随机

public class JJCRank { private List rankList = Lists.newCopyOnWriteArrayList(); /********key:heroid,value:rankList下标记录***********/ private Map rankIndexMap = Maps.newConcurrentMap();

2017-03-17 15:27:48 457

原创线程发送时间间隔次数

@Service@HessianService(value = "/notice", serviceInterface = NoticeService.class)public class NoticeServiceImpl implements NoticeService{ @Resource private SystemNoticeManger syste

2017-03-10 10:48:34 1144

原创 url问号传值获取值

$.extend({ getUrlVars: function () { var vars = [], hash; var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&'); for

2016-01-19 14:56:43 1332

刘成江的博客

原创 elasticsearch 升级转换下划线