FLLLIGHT
diff --git a/‎out/artifacts/SoftwareDeveloping_PJ_war_exploded/WEB-INF/classes/fudan/sd/project/controller/AccountServlet.class
-54 Bytes b/‎out/artifacts/SoftwareDeveloping_PJ_war_exploded/WEB-INF/classes/fudan/sd/project/controller/AccountServlet.class
-54 Bytes
diff --git a/‎out/artifacts/SoftwareDeveloping_PJ_war_exploded/WEB-INF/classes/fudan/sd/project/service/AccountService.class
301 Bytes b/‎out/artifacts/SoftwareDeveloping_PJ_war_exploded/WEB-INF/classes/fudan/sd/project/service/AccountService.class
301 Bytes
diff --git a/‎out/artifacts/SoftwareDeveloping_PJ_war_exploded/jsp/collection.jsp
Lines changed: 1 addition & 0 deletions b/‎out/artifacts/SoftwareDeveloping_PJ_war_exploded/jsp/collection.jsp
Lines changed: 1 addition & 0 deletions
diff --git a/‎out/production/SoftwareDeveloping-PJ/fudan/sd/project/controller/AccountServlet.class
-54 Bytes b/‎out/production/SoftwareDeveloping-PJ/fudan/sd/project/controller/AccountServlet.class
-54 Bytes
diff --git a/‎out/production/SoftwareDeveloping-PJ/fudan/sd/project/service/AccountService.class
301 Bytes b/‎out/production/SoftwareDeveloping-PJ/fudan/sd/project/service/AccountService.class
301 Bytes
diff --git a/‎src/fudan/sd/project/controller/AccountServlet.java
Lines changed: 6 additions & 2 deletions b/‎src/fudan/sd/project/controller/AccountServlet.java
Lines changed: 6 additions & 2 deletions
diff --git a/‎src/fudan/sd/project/service/AccountService.java
Lines changed: 9 additions & 0 deletions b/‎src/fudan/sd/project/service/AccountService.java
Lines changed: 9 additions & 0 deletions
@@ -14,6 +14,7 @@
 <body>
 <c:if test="${requestScope.friend!=null}">
     friend ${requestScope.friend.userName}'s collection
+    <br/>
 </c:if>
 <c:forEach items="${requestScope.collectedImages}" var="images">
     id: ${images.imageId}
 
@@ -19,7 +19,6 @@ public class AccountServlet extends HttpServlet {
 
     private static final long serialVersionUID = 1L;
 
-    private UserDAO userDAO = new UserDAOJdbcImpl();
     private AccountService accountService = new AccountService();
 
     @Override
@@ -46,7 +45,12 @@ private void register(HttpServletRequest request, HttpServletResponse response)
         String password = request.getParameter("pass");
         User user = new User(email, userName, password, 1, new Date(), new Date());
 
-        userDAO.save(user);
+        //todo: 用户名重复的提示
+        if(!accountService.isRepeated(userName)) {
+            accountService.doRegister(user);
+            HttpSession session = request.getSession();
+            session.setAttribute("user", user);
+        }
 
         response.sendRedirect("/SoftwareDeveloping_PJ_war_exploded/index.jsp");
     }
 
@@ -21,4 +21,13 @@ public User checkUser(String userName, String pass){
         System.out.println("password false");
         return null;
     }
+
+    public boolean isRepeated(String userName){
+        User user = userDAO.get(userName);
+        return user != null;
+    }
+
+    public void doRegister(User user){
+        userDAO.save(user);
+    }
 }
Original file line number	Diff line number	Diff line change
`@@ -21,4 +21,13 @@ public User checkUser(String userName, String pass){`
`21`	`21`	`System.out.println("password false");`
`22`	`22`	`return null;`
`23`	`23`	`}`
	`24`	`+`
	`25`	`+ public boolean isRepeated(String userName){`
	`26`	`+ User user = userDAO.get(userName);`
	`27`	`+ return user != null;`
	`28`	`+ }`
	`29`	`+`
	`30`	`+ public void doRegister(User user){`
	`31`	`+ userDAO.save(user);`
	`32`	`+ }`
`24`	`33`	`}`