how to get param in method post spring mvc

Question

I m using spring mvc  And I can t get param from url when method   post  But when I change method to GET  so I can get all param   This is my form    lt form method  POST  action  http   localhost 8080 cms customer create customer  id  frmRegister  name   frmRegister  enctype  multipart form-data  gt       lt input class   iptRegister  type  text  id  txtEmail  name  txtEmail  value      gt       lt input class   iptRegister  type  password  id  txtPassword  name  txtPassword  value      gt       lt input class   iptRegister  type  text  id  txtPhone  name  txtPhone  value      gt        lt input type  button  id  btnRegister  name  btnRegister  value  Register  onclick    style  cursor pointer   gt   lt  form gt    This is my controller    RequestMapping value    create customer   method   RequestMethod POST   ResponseBody public String createCustomer HttpServletRequest request            RequestParam value  txtEmail   required false  String email            RequestParam value  txtPassword   required false  String password            RequestParam value  txtPhone   required false  String phone        ResultDTO lt String gt  rs   new ResultDTO lt String gt         rs setStatus IConfig SHOW RESULT SUCCESS ON MAIN SCREEN       try          Customer c   new Customer            c setEmail email           c setPassword password           c setPhone phone           customerService insert c           rs setData  Insert success         catch Exception ex           log error ex           rs setStatus IConfig SHOW RESULT ERROR ON MAIN SCREEN           rs setData  Insert failure              return rs toString        How can I resolved this

User · Answer

When I want to get all the POST params I am using the code below      RequestMapping value        method   RequestMethod POST  public ViewForResponseClass update  RequestBody AClass anObject           Source       I am using the  RequestBody annotation for post put delete http requests instead of the  RequestParam which reads the GET parameters

User · Answer

You should use  RequestParam on those resources with method   RequestMethod GET  In order to post parameters  you must send them as the request body  A body like JSON or another data representation would depending on your implementation  I mean  consume and produce MediaType    Typically   multipart form-data  is used to upload files

User · Answer

It also works if you change the content type       lt form method  POST      action  http   localhost 8080 cms customer create customer      id  frmRegister  name  frmRegister      enctype  application x-www-form-urlencoded  gt    In the controller also add the header value as follows        RequestMapping value     create customer   method   RequestMethod POST  headers    Content-Type application x-www-form-urlencoded

User · Answer

Spring annotations will work fine if you remove enctype  multipart form-data     RequestParam value  txtEmail   required false   You can even get the parameters from the request object    request getParameter paramName    Use a form in case the number of attributes are large  It will be convenient  Tutorial to get you started  Configure the Multi-part resolver if you want to receive enctype  multipart form-data     lt bean id  multipartResolver    class  org springframework web multipart commons CommonsMultipartResolver  gt       lt property name  maxUploadSize  value  250000   gt   lt  bean gt     Refer the Spring documentation

[java] how to get param in method post spring mvc?

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