CODEWITHSUNDEEP
javaspringspring-mvcpost
Akhil K Nambiar
Akhil K Nambiar

Reputation: 3975

Spring MVC Post Request

I have something like 

@RequestMapping("/property")
@ResponseBody
public String property(@RequestBody UserDto userDto ) {

    System.out.println(userDto.getUsername());
    System.out.println(userDto.getPassword());

    return "Hello";
}

in my controller.

But it gives me an error when I post with

<form method="post" action="http://localhost:8080/home/property">

    <input name="username"/>
    <input name="password"/>
    <input type="submit"/>
</form>

in my html. Where am I going wrong.

Upvotes: 6

Views: 45698

Answers (5)

Ingreatway
Ingreatway

Reputation: 145

Request mapping default method is GET. have to specify url method with RequestMapping.

@RequestMapping(value="/property",method=RequestMethod.POST)

Upvotes: 1

Mahendra
Mahendra

Reputation: 333

if you are getting http error 500? then try using 

@RequestMapping(value = "/property", method = RequestMethod.POST )

If some other error please specify.

Upvotes: 0

Abhishek Anand
Abhishek Anand

Reputation: 1992

One way is what Jeevan suggested, or you can modify your spring to accept it like ,

UserDto userDto;
@RequestMapping("/property")
@ResponseBody
public String property(@RequestParam("username") userDto.username,  @RequestParam("password") userDto.password) {

    System.out.println(userDto.getUsername());
    System.out.println(userDto.getPassword());

    return "Hello";
}

ofcourse if you have exposed attributes in class, which is not an elegant practice.

Upvotes: -1

Tim B
Tim B

Reputation: 41188

Request body is for when you are passing in something like a JSON or XML object (or raw data such as byte[]) to the HTTP POST. When you are POSTing form data then that is handled and parsed for you. The simplest way is to use the MVC form:form code with a command object, and then you will just receive a command object with all the entries from the form mapped to the object.

Upvotes: 2

Jeevan Patil
Jeevan Patil

Reputation: 6079

When you are posting a form, you should use @ModelAttribute annotation.

Change your code to : 

@RequestMapping("/property")
@ResponseBody
public String property(@ModelAttribute("userDto") UserDto userDto ) {
    System.out.println(userDto.getUsername());
    System.out.println(userDto.getPassword());
    return "Hello";
}

And your HTML / JSP can be : 

<form method="post" name="userDto" action="http://localhost:8080/home/property">
    <input name="username"/>
    <input name="password"/>
    <input type="submit"/>
</form>

Upvotes: 4

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