@requestmapping basic usage of Spring MVC

Tag: expr das Print Value expression regular people size color

1. Application at the method level:

1 @RequestMapping (value= "/department")23 public String Simpledapatment () {45 System.out.println (""); 6 return ("result"); 7 　　 　　　　

When accessing Http://localhost/XXXX/department, call the Simpledepatment method.

2. Parameter binding

@RequestMapping (value= "/department") public string Finddepartment (@RequestParaam (DepartmentID) string departmentid) {System.out.println ("Asasadas"); return ("Someresult");}

　　

Visit http://localhost/XXXX/department?departmentId=22 to start the finddepartmentf method.

3, REST-style parameters

1 @RequestMapping (value= "/department/{departmentid}")23 Public String Find (@PathVariable string departmentid) {45 System.out.println ("ASA"); 6 7 return "Somerequest"; 8 9 } 　　

Access HTTP://LOCALHOST/XXXX/DEPARTMENT/22, @PathVariable receive rest-style parameters

4, REST-style parameters 2

1 @RequestMapping (value= "/department/{depatmentid}")  2  3 Public String Finddepartment (@PathVariable (DepartmentID) string somedepartmentid)  4  5{ 6 7 Syso; 8 9 Retrrn "SDS"; Ten  One}

Access to HTTP://LOCALHOST/XXXX/DEPARTMENT/22, the difference is that 22 was uploaded to DepartmentID, but in the actual method Finddepartment (@PathVariable (DepartmentID) String somedepartment),

Bind it to somedepartment, so Somedepartment is 22.

5. URL binding multiple IDs

1@RequestMapping (value= "/user/{userid}/admin/{adminid}")2 3  PublicString Findpeople (4 5 @PathVariable String userId,6 7 @PathVariable String Adminid) {8 9SYSO ("Userid+adminid");Ten  One return"SDFs"; A  -}

6. Support Regular Expressions

@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";  }  

For example, the following url:/sometext.123, the output:
Textual Part:sometext, numeric part:123.

@requestmapping basic usage of Spring MVC