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December 11, 2015 08:48
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Sample code for blog post: http://kurotofu.sytes.net/kanji/fool/?p=950
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| @RequestMapping("/signup") | |
| @SessionAttributes("user") | |
| @Controller | |
| public class SignUpFormController { | |
| private static final String DB_DRIVER_NAME = "com.mysql.jdbc.Driver"; | |
| private static final String DB_URL = "jdbc:mysql://localhost/db_name?useUnicode=true&characterEncoding=UTF-8"; | |
| private static final String DB_USER = "db_user"; | |
| private static final String DB_PSWD = "db_password"; | |
| private static final Logger logger = LoggerFactory | |
| .getLogger(SignUpFormController.class); | |
| /** | |
| * This is called when the signup page is loaded. | |
| */ | |
| @RequestMapping(method = RequestMethod.GET) | |
| public String showform(Model model) { | |
| model.addAttribute("user", new User()); | |
| return "signup"; | |
| } | |
| /** | |
| * This is called when submit button of the form is pressed and the page is reloaded. | |
| */ | |
| @RequestMapping(method = RequestMethod.POST) | |
| public String submitform(@ModelAttribute("user") User user, BindingResult result, Model model) { | |
| try { | |
| Class.forName(DB_DRIVER_NAME); // Load driver | |
| Connection con = DriverManager.getConnection(DB_URL, DB_USER, DB_PSWD); | |
| Statement state = con.createStatement(); | |
| StandardPasswordEncoder encoder = new StandardPasswordEncoder(); | |
| String encodedPass = encoder.encode(user.getPassword()); | |
| String sql = "INSERT INTO `users` (`user_name`, `password`, `enabled`) VALUES ('" + | |
| user.getUserName() + "', '" + | |
| encodedPass + "', '" + | |
| 1 + "')"; | |
| state.execute(sql); | |
| con.close(); | |
| } catch (ClassNotFoundException e) { | |
| logger.error(e.getMessage()); | |
| } catch (SQLException e) { | |
| logger.error(e.getMessage()); | |
| } catch (Exception e) { | |
| logger.error(e.getMessage()); | |
| } | |
| model.addAttribute("username", user.getUserName()); | |
| model.addAttribute("password", user.getPassword()); | |
| return "success"; | |
| } | |
| } |
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| public class User { | |
| // Basic Details | |
| private int userId; | |
| private String userName; | |
| private String password; | |
| // Login Details | |
| private int enabled = 1; | |
| private String userAuthority = "ROLE_USER"; | |
| } |
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| <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> | |
| <%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%> | |
| <html> | |
| <head> | |
| <title>Sign up</title> | |
| </head> | |
| <body> | |
| <h1>Sign up</h1> | |
| <p> | |
| <form:form method="POST" commandName="user" modelAttribute="user" id="signup"> | |
| <form:label path="userName">User Name</form:label> | |
| <form:input path="userName" required="true" /><br/> | |
| <form:label path="password">Password</form:label> | |
| <form:input type="password" path="password" required="true" /><br/> | |
| <input type="submit" value="SignUp"/> | |
| </form:form> | |
| </p> | |
| </body> | |
| </html> |
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| <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> | |
| <%@ page session="false" %> | |
| <html> | |
| <head> | |
| <title>Success</title> | |
| </head> | |
| <body> | |
| <h1>Success</h1> | |
| <P>Successfully registerd</P> | |
| <p>User Name: ${username}</p> | |
| <p>Password: ${password}</p> | |
| </body> | |
| </html> |
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