Я поделюсь с вами простым для понимания и работоспособным решением.
EmployeeController.java
@Controller
public class EmployeeController {
@RequestMapping(value = "/employee", method = RequestMethod.GET)
public ModelAndView showForm() {
return new ModelAndView("employeehome", "employee", new Employee());
}
@RequestMapping(value = "/addEmployee", method = RequestMethod.POST)
public String submit(@Valid @ModelAttribute("employee") Employee employee, BindingResult result, ModelMap model) {
if (result.hasErrors()) {
return "employeeerror";
}
model.addAttribute("name", employee.getName());
model.addAttribute("contactNumber", employee.getContactNumber());
model.addAttribute("id", employee.getId());
return "employeeview";
}
}
Employee.java
public class Employee {
private String name;
private long id;
private String contactNumber;
public Employee() {
super();
}
public Employee(String name, long id, String contactNumber) {
super();
this.name = name;
this.id = id;
this.contactNumber = contactNumber;
}
//getters and setters
}
employeehome.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h3>Welcome, Enter The Employee Details</h3>
<form:form method="POST" action="${pageContext.request.contextPath}/addEmployee" modelAttribute="employee">
<table>
<tr>
<td><form:label path="name">Name</form:label></td>
<td><form:input path="name" /></td>
</tr>
<tr>
<td><form:label path="id">Id</form:label></td>
<td><form:input path="id" /></td>
</tr>
<tr>
<td><form:label path="contactNumber">Contact Number</form:label></td>
<td><form:input path="contactNumber" /></td>
</tr>
<tr>
<td><input type="submit" value="Submit" /></td>
</tr>
</table>
</form:form>
</body>
</html>
employeeview.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h2>Submitted Employee Information</h2>
<table>
<tr>
<td>Name :</td>
<td>${name}</td>
</tr>
<tr>
<td>ID :</td>
<td>${id}</td>
</tr>
<tr>
<td>Contact Number :</td>
<td>${contactNumber}</td>
</tr>
</table>
</body>
</html>
employeeerror.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h3>Pleas enter the correct details</h3>
<table>
<tr>
<td><a href="employee">Retry</a></td>
</tr>
</table>
</body>
</html>