原创 Date相減
/** * @param 要轉換的毫秒數 * @return 該毫秒數轉換爲 * days * hours * minutes * seconds 後的格式 * @author fy.zhang */ public static
2020-07-08 10:40:19
1
原创 List-JSON互轉
1、List轉JSONObjectMapper mapper = new ObjectMapper();mapper.setSerializationInclusion(Inclusion.NON_NULL);mapper.setSer
2020-02-21 00:05:20
原创 Map循環
<!--?xml version="1.0" encoding="UTF-8" standalone="no"?--> Map<String, String> map = ...for (String key : map.keySet()
2020-02-21 00:05:19
1
原创 Hibernate配置枚舉
<property name="bargainStatus"> <type name="org.hibernate.type.EnumType"> <param name="enumClass">com.dem
2020-02-21 00:05:19
原创 【轉載】Tomcat 7.0.3x 啓動慢並且遇到StackOverflowError的異常的解決辦法
之前使用tomcat7時遇到啓動報錯問題，日誌如下：嚴重: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start c
2020-02-21 00:05:19
原创 Request頭信息
System.out.println("+++++++++++++++++++++++++++++++++++++++++");String head = request.getHeader("Accept-Encoding");//
2020-02-21 00:05:19
原创 獲取枚舉值
public static Role fromName(String name) { for (Role role : Role.values()) { if (StringUtils.equals(role.nam
2020-02-21 00:05:19
原创 重置Apache
1、下載鏈接：http://httpd.apache.org/download.cgi sudo ./configure --prefix=/usr/local/apache2 --with-apr=/usr/local/apr
2020-02-21 00:05:19
原创 MyBatis表關聯
查詢主表：<resultMap type="com.demo.bean.WXGameRankingBean" id="weiboJoinAccountResultMap"> <id property="id" column
2020-02-21 00:05:19
原创 獲取客戶端IP
public String getClientIP(HttpServletRequest httpservletrequest) { if (httpservletrequest == null) return
2020-02-21 00:05:19
原创 Hibernate表集成
1、父類：@Entity@Table(name = "tab_product")@Inheritance(strategy = InheritanceType.JOINED)2、子類@Entity@Table(name = "tab_c
2020-02-21 00:05:17
原创 MD5加密解密
/*** * MD5加碼 生成32位md5碼 */ public static String md5(String inStr) { MessageDigest md5 = null; try { md5 = MessageDige
2020-02-21 00:05:17
原创 Timestamp轉Date
Timestamp ts = new Timestamp(System.currentTimeMillis());Date date = new Date(); try { date = ts; ystem.out
2020-02-21 00:05:17
原创 本週日期
<!--?xml version="1.0" encoding="UTF-8" standalone="no"?--> SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");C
2020-02-21 00:05:17