mvc中@RequestMapping

Spring mvc中@RequestMapping 6个基本用法小结

独自空忆成欢 提交于 2020-02-29 10:51:02
小结下spring mvc中的@RequestMapping的用法。 1)最基本的,方法级别上应用,例如: Java代码 @RequestMapping (value= "/departments" ) public String simplePattern(){ System.out.println( "simplePattern method was called" ); return "someResult" ; } 则访问http://localhost/xxxx/departments的时候,会调用 simplePattern方法了 2) 参数绑定 Java代码 @RequestMapping (value= "/departments" ) public String findDepatment( @RequestParam ( "departmentId" ) String departmentId){ System.out.println( "Find department with ID: " + departmentId); return "someResult" ; } 形如这样的访问形式: /departments?departmentId=23就可以触发访问findDepatment方法了 3 REST风格的参数 Java代码