wuhn - 博客园

2015年8月22日

Spring EL ternary operator (if-then-else) example

摘要： Spring EL supports ternary operator , perform “if then else” conditional checking. For example,```condition ? true : false```##Spring EL in Annotation... 阅读全文

posted @ 2015-08-22 09:33 wuhn 阅读(213) 评论(0) 推荐(0) 编辑

Spring EL Operators example

摘要： Spring EL supports most of the standard mathematical, logical or relational operators. For example,- Relational operators – equal (`==`, `eq`), not eq... 阅读全文

posted @ 2015-08-22 09:30 wuhn 阅读(167) 评论(0) 推荐(0) 编辑

Spring EL method invocation example

摘要： In Spring EL, you can reference a bean, and nested properties using a ‘dot (`.`)‘ symbol. For example, “`bean.property_name`“.```public class Customer... 阅读全文

posted @ 2015-08-22 09:20 wuhn 阅读(178) 评论(0) 推荐(0) 编辑

2015年8月21日

Spring EL hello world example

摘要： The Spring EL is similar with OGNL and JSF EL, and evaluated or executed during the bean creation time. In addition, all Spring expressions are availa... 阅读全文

posted @ 2015-08-21 20:30 wuhn 阅读(196) 评论(0) 推荐(0) 编辑

Spring @PostConstruct and @PreDestroy example

摘要： In Spring, you can either implements `InitializingBean` and `DisposableBean` interface or specify the `init-method` and `destroy-method` in bean confi... 阅读全文

posted @ 2015-08-21 19:36 wuhn 阅读(359) 评论(0) 推荐(0) 编辑

Spring init-method and destroy-method example

摘要： In Spring, you can use `init-method` and `destroy-method` as attribute in bean configuration file for bean to perform certain actions upon initializat... 阅读全文

posted @ 2015-08-21 17:01 wuhn 阅读(195) 评论(0) 推荐(0) 编辑

Spring InitializingBean and DisposableBean example

摘要： In Spring, `InitializingBean` and `DisposableBean` are two marker interfaces, a useful way for Spring to perform certain actions upon bean initializat... 阅读全文

posted @ 2015-08-21 16:58 wuhn 阅读(204) 评论(0) 推荐(0) 编辑

Define custom @Required-style annotation in Spring

摘要： The `@Required` annotation is used to make sure a particular property has been set. If you are migrate your existing project to Spring framework or ha... 阅读全文

posted @ 2015-08-21 16:50 wuhn 阅读(221) 评论(0) 推荐(0) 编辑

Spring dependency checking with @Required Annotation

摘要： Spring’s dependency checking in bean configuration file is used to make sure all properties of a certain types (primitive, collection or object) have ... 阅读全文

posted @ 2015-08-21 16:25 wuhn 阅读(203) 评论(0) 推荐(0) 编辑

Spring properties dependency checking

摘要： In Spring,you can use dependency checking feature to make sure the required properties have been set or injected.##Dependency checking modes4 dependen... 阅读全文

posted @ 2015-08-21 16:21 wuhn 阅读(306) 评论(0) 推荐(0) 编辑

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