quikstart删除用户时需要删除Task，演示Spring Data JPA下的delete/update语句的写法

examples/quickstart/src/main/java/org/springside/examples/quickstart/repository/TaskDao.java

@@ -2,9 +2,16 @@ package org.springside.examples.quickstart.repository;
 
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.PagingAndSortingRepository;
 import org.springside.examples.quickstart.entity.Task;
 
 public interface TaskDao extends PagingAndSortingRepository<Task, Long> {
+
 	Page<Task> findByUserId(Long id, Pageable pageRequest);
+
+	@Modifying
+	@Query("delete from Task task where task.user.id=?1")
+	void deleteByUserId(Long id);
 }

examples/quickstart/src/main/java/org/springside/examples/quickstart/service/account/AccountService.java

@@ -12,6 +12,7 @@ import org.springframework.data.jpa.domain.support.DateTimeProvider;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 import org.springside.examples.quickstart.entity.User;
+import org.springside.examples.quickstart.repository.TaskDao;
 import org.springside.examples.quickstart.repository.UserDao;
 import org.springside.examples.quickstart.service.ServiceException;
 import org.springside.examples.quickstart.service.account.ShiroDbRealm.ShiroUser;
@@ -35,6 +36,7 @@ public class AccountService {
 	private static Logger logger = LoggerFactory.getLogger(AccountService.class);
 
 	private UserDao userDao;
+	private TaskDao taskDao;
 	private DateTimeProvider dateTimeprovider = CurrentDateTimeProvider.INSTANCE;
 
 	public List<User> getAllUser() {
@@ -73,6 +75,8 @@ public class AccountService {
 			throw new ServiceException("不能删除超级管理员用户");
 		}
 		userDao.delete(id);
+		taskDao.deleteByUserId(id);
+
 	}
 
 	/**
@@ -106,6 +110,11 @@ public class AccountService {
 		this.userDao = userDao;
 	}
 
+	@Autowired
+	public void setTaskDao(TaskDao taskDao) {
+		this.taskDao = taskDao;
+	}
+
 	public void setDateTimeProvider(DateTimeProvider dateTimeProvider) {
 		this.dateTimeprovider = dateTimeProvider;
 	}

examples/quickstart/src/main/resources/applicationContext-shiro.xml

@@ -11,8 +11,8 @@
 		<property name="cacheManager" ref="shiroEhcacheManager" />
 	</bean>
 
-	<!-- 項目自定义的Realm -->
-	<bean id="shiroDbRealm" class="org.springside.examples.quickstart.service.account.ShiroDbRealm" depends-on="userDao">
+	<!-- 項目自定义的Realm, 所有accountService依赖的dao都需要用depends-on声明 -->
+	<bean id="shiroDbRealm" class="org.springside.examples.quickstart.service.account.ShiroDbRealm" depends-on="userDao,taskDao">
 		<property name="accountService" ref="accountService"/>
 	</bean>