Validation

JSP 2016. 10. 12. 23:12

<Controller>

package net.validation.controllers;

import javax.validation.Valid;

import net.validation.form.ValidationForm;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
@RequestMapping("/validationform.html")
public class ValidationController {

// Display the form on the get request
@RequestMapping(method = RequestMethod.GET)
public String showValidatinForm(ValidationForm validationForm, Model model) {
model.addAttribute("validationForm", validationForm);
return "validationform";
}

// Process the form.
@RequestMapping(method = RequestMethod.POST)
public String processValidatinForm(@Valid ValidationForm validationForm, BindingResult result, Model model) {
  if (result.hasErrors()) {
   return "validationform";
  }
  // Add the saved validationForm to the model
  model.addAttribute("validationForm", validationForm);
  return "validationsuccess";
}

}

<Bean>

package net.validation.form;

import javax.validation.constraints.Max;
import javax.validation.constraints.Min;
import javax.validation.constraints.Size;
import javax.validation.constraints.NotNull;
import org.hibernate.validator.constraints.NotEmpty;
import org.springframework.format.annotation.NumberFormat;
import org.springframework.format.annotation.NumberFormat.Style;

public class ValidationForm {

@NotEmpty
@Size(min = 1, max = 20)
private String userName;

@NotNull
@NumberFormat(style = Style.NUMBER)
@Min(1)
@Max(110)
private Integer age;

@NotEmpty
@Size(min = 1, max = 10, message = "1~10 이내로 입력해 주세요")
private String password;

public void setuserName(String userName) {
this.userName = userName;
}

public String getuserName() {
return userName;
}

public void setAge(Integer age) {
this.age = age;
}

public Integer getAge() {
return age;
}

public void setPassword(String password) {
this.password = password;
}

public String getPassword() {
return password;
}
}

<Servlet.xml>

<messages.properties>

NotEmpty.validationForm.userName=이름을 입력해 주세요
Size.validationForm.userName=1~20 이내로 입력해 주세요

NotNull.validationForm.age=나이를 입력해 주세요
Min.validationForm.age=1보다 큰 수를 입력해주세요
Max.validationForm.age=110보다 작은 수를 입력해주세요

NotEmpty.validationForm.password=비밀번호를 입력해 주세요

<form.jsp>