spring常用配置资源调用

【Spring】Spring常用配置-Spring EL和资源调用

Spring开发中我们可能经常涉及到调用各种资源的情况，包含普通文件、网址、配置文件、系统环境变量等，我们可以使用Spring的表达式语言实现资源的注入。Spring主要在注解@Value的参数中使用表达式。本示例演示实现以下几种情况:1、注入普通...

【Spring】Spring常用配置-Spring EL和资源调用

2.Spring常用配置—2.Spring EL和资源调用

Spring开发中经常涉及调用各种资源的情况，包含普通文件、网址、配置文件、系统环境变量等，我们可以使用Spring的表达式语言实现资源的注入。Spring主要在注解@Value的参数中使用表达式。下面演示将实现以下几种情况：（1）注入普通字符（2...

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