jpablog : delete post cascade

jpablog/src/main/java/com/example/jpablog/model/Board.java

@@ -34,7 +34,7 @@ public class Board {
     @JoinColumn(name = "user_id")
     private User user;
 
-    @OneToMany(mappedBy = "board")
+    @OneToMany(mappedBy = "board", cascade = CascadeType.REMOVE)
     @JsonIgnoreProperties({"board"})
     @OrderBy("id desc")
     private List<Reply> replies = new ArrayList<>();

jpablog/src/main/resources/static/js/user.js

@@ -20,8 +20,12 @@ let index = {
             contentType: "application/json; charset=utf-8",
             dataType: "json"
         }).done(function (resp){
-            console.log(resp);
-            alert("회원가입이 완료되었습니다.");
+            if (resp.statusCode === 500) {
+                alert("회원가입 실패.");
+            } else {
+                alert("회원가입 완료.");
+            }
+
             location.href = "/";
         }).fail(function (error){
             alert(JSON.stringify(error));