1)最基本的,方法級別上應用,例如: 正則表達式
@RequestMapping(value="/departments") public String simplePattern(){ System.out.println("simplePattern method was called"); return "someResult"; }
則訪問http://localhost/xxxx/departments的時候,會調用 simplePattern方法了app
2) 參數綁定 url
@RequestMapping(value="/departments") public String findDepatment( @RequestParam("departmentId") String departmentId){ System.out.println("Find department with ID: " + departmentId); return "someResult"; }
形如這樣的訪問形式: /departments?departmentId=23就能夠觸發訪問findDepatment方法了 spa
3 REST風格的參數 rest
@RequestMapping(value="/departments/{departmentId}") public String findDepatment(@PathVariable String departmentId){ System.out.println("Find department with ID: " + departmentId); return "someResult"; }
形如REST風格的地址訪問,好比:/departments/23,其中用(@PathVariable接收rest風格的參數 code
4 REST風格的參數綁定形式之2 blog
@RequestMapping(value="/departments/{departmentId}") public String findDepatmentAlternative( @PathVariable("departmentId") String someDepartmentId){ System.out.println("Find department with ID: " + someDepartmentId); return "someResult"; }
這個有點不一樣,就是接收形如/departments/23的URL訪問,把23做爲傳入的departmetnId,,可是在實際的方法findDepatmentAlternative中,使用
@PathVariable("departmentId") String someDepartmentId,將其綁定爲
someDepartmentId,因此這裏someDepartmentId爲23it
5 url中同時綁定多個id io
@RequestMapping(value="/departments/{departmentId}/employees/{employeeId}") public String findEmployee( @PathVariable String departmentId, @PathVariable String employeeId){ System.out.println("Find employee with ID: " + employeeId + " from department: " + departmentId); return "someResult"; }
6 支持正則表達式 class
@RequestMapping(value="/{textualPart:[a-z-]+}.{numericPart:[\\d]+}") public String regularExpression( @PathVariable String textualPart, @PathVariable String numericPart){ System.out.println("Textual part: " + textualPart + ", numeric part: " + numericPart); return "someResult"; }
好比以下的URL:/sometext.123,則輸出: Textual part: sometext, numeric part: 123.