摘要：
<!-- 开放资源的访问--> <!-- <mvc:resources mapping="/js/**" location="/js/"/>--> <!-- <mvc:resources mapping="/img/**" location="/img/"/>--> <mvc:default-ser 阅读全文
摘要：
<dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.9.0</version> </dependency> <dependency> < 阅读全文