Java - 随笔分类(第7页) - huey2672

MyBatis(3.2.3) - Mapped statements: The INSERT statement, Autogenerated keys

摘要：We can use the useGeneratedKeys and keyProperty attributes to let the database generate the auto_increment column value and set that generated value i 阅读全文

posted @ 2016-03-01 10:19 huey2672 阅读(361) 评论(0) 推荐(0)

MyBatis(3.2.3) - Configuring MyBatis using XML, Mappers

摘要：Mapper XML files contain the mapped SQL statements that will be executed by the application using statement id. We need to configure the locations of 阅读全文

posted @ 2016-02-29 16:15 huey2672 阅读(234) 评论(0) 推荐(0)

MyBatis(3.2.3) - Configuring MyBatis using XML, Settings

摘要：The default MyBatis global settings, which can be overridden to better suit application-specific needs, are as follows: <settings> <setting name="cach 阅读全文

posted @ 2016-02-29 16:10 huey2672 阅读(238) 评论(0) 推荐(0)

MyBatis(3.2.3) - Configuring MyBatis using XML, typeHandlers

摘要：As discussed in the previous chapter, MyBatis simplifies the persistent logic implementation by abstracting JDBC. MyBatis uses JDBC under the hood and 阅读全文

posted @ 2016-02-29 16:08 huey2672 阅读(653) 评论(0) 推荐(0)

MyBatis(3.2.3) - Configuring MyBatis using XML, typeAliases

摘要：In the SQL Mapper configuration file, we need to give the fully qualified name of the JavaBeans for the resultType and parameterType attributes. An ex 阅读全文

posted @ 2016-02-29 15:01 huey2672 阅读(334) 评论(0) 推荐(0)

MyBatis(3.2.3) - Configuring MyBatis using XML, Properties

摘要：The properties configuration element can be used to externalize the configuration values into a properties file and use the properties' key names as p 阅读全文

posted @ 2016-02-29 14:58 huey2672 阅读(204) 评论(0) 推荐(0)

MyBatis(3.2.3) - Configuring MyBatis using XML, Environment

摘要：The key component of MyBatis is SqlSessionFactory from which we get SqlSession and execute the mapped SQL statements. The SqlSessionFactory object can 阅读全文

posted @ 2016-02-29 14:51 huey2672 阅读(904) 评论(0) 推荐(0)

MyBatis(3.2.3) - hello world

摘要：1. 创建数据表（MySQL）： DROP TABLE IF EXISTS `department`; CREATE TABLE `department` ( `did` int(10) unsigned NOT NULL AUTO_INCREMENT, `dept_name` varchar(12 阅读全文

posted @ 2016-02-27 10:43 huey2672 阅读(395) 评论(0) 推荐(0)

Quartz Scheduler(2.2.1) - Integration with Spring

摘要：1. maven 依赖： 3.2.3.RELEASE 2.2.1 org.springframework spring-beans ${spring.version} org.springframework ... 阅读全文

posted @ 2016-01-07 17:26 huey2672 阅读(309) 评论(0) 推荐(0)

Quartz Scheduler(2.2.1) - Working with JobStores

摘要：About Job StoresJobStores are responsible for keeping track of all the work data you give to the scheduler: jobs, triggers, calendars, and so forth.Se... 阅读全文

posted @ 2016-01-07 12:42 huey2672 阅读(539) 评论(0) 推荐(0)

Quartz Scheduler(2.2.1) - Working with SchedulerListeners

摘要：SchedulerListenersSchedulerListeners are much like TriggerListeners and JobListeners, except they receive notification of events within the Scheduler ... 阅读全文

posted @ 2016-01-07 10:56 huey2672 阅读(296) 评论(0) 推荐(0)

Quartz Scheduler(2.2.1) - Working with TriggerListeners and JobListeners

摘要：TriggerListeners and JobListenersListeners are objects that you create to perform actions based on events occurring within the scheduler. As indicated... 阅读全文

posted @ 2016-01-07 10:40 huey2672 阅读(360) 评论(0) 推荐(0)

Quartz Scheduler(2.2.1) - Usage of CronTriggers

摘要：Cron is a UNIX tool that has been around for a long time, so its scheduling capabilities are powerful and proven. The CronTrigger class is based on th... 阅读全文

posted @ 2016-01-06 21:38 huey2672 阅读(439) 评论(0) 推荐(0)

Quartz Scheduler(2.2.1) - Usage of SimpleTrigger

摘要：SimpleTrigger should meet your scheduling needs if you need to have a job execute exactly once at a specific moment in time, or at a specific moment i... 阅读全文

posted @ 2016-01-06 20:34 huey2672 阅读(321) 评论(0) 推荐(0)

Quartz Scheduler(2.2.1) - Usage of Calendars

摘要：Quartz Calendar objects (notjava.util.Calendar objects) can be associated with triggers at the time the trigger is defined and stored in the scheduler... 阅读全文

posted @ 2016-01-06 19:37 huey2672 阅读(239) 评论(0) 推荐(0)

Quartz Scheduler(2.2.1) - Usage of JobDataMap

摘要：The JobDataMap can be used to hold any amount of (serializable) data objects which you wish to have made available to the job instance when it execute... 阅读全文

posted @ 2016-01-06 16:29 huey2672 阅读(359) 评论(0) 推荐(0)

Quartz Scheduler(2.2.1) - hello world

摘要：简单示例1. maven 依赖 org.quartz-scheduler quartz 2.2.1 org.quartz-scheduler quartz-jobs 2.2.1 ... 阅读全文

posted @ 2016-01-06 11:50 huey2672 阅读(679) 评论(0) 推荐(0)

Log4j(1.2.17) - hello world

摘要：1. Maven 依赖 log4j log4j 1.2.17 2. 配置log4j.propertieslog4j.rootLogger = warn, STDOUT, DEBUG, ERROR## Consolelog4j.appender.... 阅读全文

posted @ 2015-12-29 10:41 huey2672 阅读(770) 评论(0) 推荐(0)

Commons CLI - Usage

摘要：Usage Scenarios The following sections describe some example scenarios on how to use CLI in applications. Using a boolean option A boolean option is r 阅读全文

posted @ 2015-11-24 09:34 huey2672 阅读(444) 评论(0) 推荐(0)

Jedis - hello world

摘要：Maven Dependency: redis.clients jedis 2.7.2 jar compileUse:Jedis jedis = new Jedis("127.0.0.1", 6379);jedis.set("foo", "bar");String va... 阅读全文

posted @ 2015-09-29 14:48 huey2672 阅读(222) 评论(0) 推荐(0)

随笔分类 - Java