validate user login

spring-boot-samples/.gitignore

@@ -62,4 +62,5 @@ local.properties
 # Locally stored "Eclipse launch configurations"
 *.launch
 .DS_Store
-.log
+.log
+/target

spring-boot-samples/src/main/java/com/lance/entity/UserEntity.java

@@ -11,7 +11,9 @@
 @Table(name="user")
 public class UserEntity extends BaseEntity {
 	//用户名
-	private String userName;
+	private String name;
+
+	private String email;
 
 	//性别 0: 女 1: 男 2:其他
 	private int sex;
@@ -26,14 +28,6 @@ public class UserEntity extends BaseEntity {
 	@OneToMany(mappedBy="user")
 	private List<AddressEntity> addresses = new LinkedList<AddressEntity>();
 
-	public String getUserName() {
-		return userName;
-	}
-
-	public void setUserName(String userName) {
-		this.userName = userName;
-	}
-
 	public int getSex() {
 		return sex;
 	}
@@ -64,5 +58,21 @@ public List<AddressEntity> getAddresses() {
 
 	public void setAddresses(List<AddressEntity> addresses) {
 		this.addresses = addresses;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getEmail() {
+		return email;
+	}
+
+	public void setEmail(String email) {
+		this.email = email;
 	}	
 }

spring-boot-samples/src/main/java/com/lance/repository/UserRepository.java

@@ -0,0 +1,17 @@
+package com.lance.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.lance.entity.UserEntity;
+
+public interface UserRepository extends JpaRepository<UserEntity, Long>{
+
+	/**
+	 * 根据userName查询
+	 * @author lance
+	 * 2014-6-11下午11:30:31
+	 * @param userName
+	 * @return
+	 */
+	UserEntity findByEmail(String email);
+}

spring-boot-samples/src/main/java/com/lance/service/LoginService.java

@@ -0,0 +1,15 @@
+package com.lance.service;
+
+import com.lance.entity.UserEntity;
+
+public interface LoginService {
+
+	/**
+	 * 用户登录
+	 * @author lance
+	 * 2014-6-11下午11:26:05
+	 * @param user
+	 * @return
+	 */
+	UserEntity login(UserEntity user);
+}

spring-boot-samples/src/main/java/com/lance/service/LoginServiceImpl.java

@@ -0,0 +1,49 @@
+package com.lance.service;
+
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import com.lance.entity.UserEntity;
+import com.lance.repository.UserRepository;
+import com.lance.utils.EncryptUtils;
+import com.lance.utils.ServiceException;
+
+/**
+ * 登录信息
+ * @author lance
+ */
+@Service
+public class LoginServiceImpl implements LoginService {
+	@Autowired
+	private UserRepository userRepository;
+	/**
+	 * 用户登录
+	 * @author lance
+	 * 2014-6-11下午11:26:05
+	 * @param user
+	 * @return
+	 */
+	public UserEntity login(UserEntity user) {
+		if(StringUtils.isBlank(user.getEmail())) {
+			throw new ServiceException("用户名不能为空");
+		}
+
+		if(StringUtils.isBlank(user.getPassword())) {
+			throw new ServiceException("密码不能为空");
+		}
+
+		UserEntity userEntity = userRepository.findByEmail(user.getEmail());
+		if(null == userEntity){
+			throw new ServiceException("用户名不存在");
+		}
+
+		String password = EncryptUtils.encryptMD5(user.getPassword());
+		if(!StringUtils.equals(password, userEntity.getPassword())){
+			throw new ServiceException("密码输入错误");
+		}
+
+		return userEntity;
+	}
+
+}

spring-boot-samples/src/main/java/com/lance/utils/ServiceException.java

@@ -0,0 +1,26 @@
+package com.lance.utils;
+
+/**
+ * 处理service抛出运行时异常处理
+ * @author lance
+ */
+public class ServiceException extends RuntimeException {
+	private static final long serialVersionUID = 1389958090308317369L;
+
+	public ServiceException() {
+		super();
+	}
+
+	public ServiceException(String msg, Throwable clause) {
+		super(msg, clause);
+	}
+
+	public ServiceException(String msg) {
+		super(msg);
+	}
+
+	public ServiceException(Throwable clause) {
+		super(clause);
+	}
+
+}

spring-boot-samples/src/main/java/com/lance/web/IndexController.java

@@ -3,12 +3,17 @@
 
 import javax.servlet.http.HttpSession;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 
 import com.lance.entity.UserEntity;
+import com.lance.service.LoginService;
+import com.lance.utils.ServiceException;
 
 /**
  * 
@@ -17,8 +22,11 @@
  */
 @Controller
 public class IndexController {
+	private Logger logger = LoggerFactory.getLogger(getClass());
 	@Autowired
 	private HttpSession session;
+	@Autowired
+	private LoginService loginService;
 
 	/**
 	 * 跳转登录页面
@@ -40,7 +48,16 @@ public String login(){
 	 * @return
 	 */
 	@RequestMapping(value="login",method=RequestMethod.POST)
-	public String login(UserEntity user){
+	public String login(UserEntity user, RedirectAttributes redirect){
+		try {
+			user = loginService.login(user);
+		} catch (ServiceException e) {
+			logger.debug(e.getMessage());
+			redirect.addFlashAttribute("err_code", e.getMessage());
+			redirect.addFlashAttribute("user", user);
+			return "redirect:/login";
+		}
+
 		session.setAttribute("cur_user", user);
 		return "redirect:user/home";
 	}

spring-boot-samples/src/main/resources/static/css/login.css

@@ -1,6 +1,6 @@
 @CHARSET "UTF-8";
 body {
-  padding-top: 170px;
+  padding-top: 150px;
   padding-bottom: 40px;
   background-color: #eee;
 }
@@ -35,4 +35,8 @@ body {
   margin-bottom: 10px;
   border-top-left-radius: 0;
   border-top-right-radius: 0;
+}
+.error-code{
+	color: red;
+	margin: 5px 0;
 }

spring-boot-samples/src/main/webapp/WEB-INF/views/login.jsp

@@ -19,8 +19,9 @@
 	<div class="container">
 		<form class="form-signin" action="login" method="post">
 			<h2 class="form-signin-heading">Please sign in</h2>
-			<input type="text" class="form-control" placeholder="Email address" required autofocus name="userName"> 
-			<input type="password" class="form-control" placeholder="Password" required name="password"> 
+			<div class="error-code">${err_code}</div>
+			<input type="text" class="form-control" placeholder="Email address" required autofocus name="email" value="${user.email}"> 
+			<input type="password" class="form-control" placeholder="Password" required name="password" value="${user.password}"> 
 			<button class="btn btn-lg btn-primary btn-block" type="submit">Sign in</button>
 		</form>
 	</div>

spring-boot-samples/src/main/webapp/WEB-INF/views/user/index.jsp

@@ -7,6 +7,6 @@
 <title>Insert title here</title>
 </head>
 <body>
-
+This is a list page.
 </body>
 </html>

spring-boot-samples/target/classes/static/css/login.css

@@ -1,6 +1,6 @@
 @CHARSET "UTF-8";
 body {
-  padding-top: 170px;
+  padding-top: 150px;
   padding-bottom: 40px;
   background-color: #eee;
 }
@@ -35,4 +35,8 @@ body {
   margin-bottom: 10px;
   border-top-left-radius: 0;
   border-top-right-radius: 0;
+}
+.error-code{
+	color: red;
+	margin: 5px 0;
 }