feat:完成账号数据存储类的基本功能，系统初始化功能及添加超级管理员账号信息；

src/Main.java

+import com.ubitgroup.data.AccountT;
+import com.ubitgroup.model.bean.Account;
 import com.ubitgroup.view.LoginM.LoginV;
+
+import java.time.LocalDateTime;
+
 /*
 * 系统入口
 * */
 public class Main {
     public static void main(String[] args) {
+        initSys();
+        try {
+            Thread.sleep(1000);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
         LoginV loginV = new LoginV();
         loginV.init();
     }
+
+    private static void initSys(){
+        System.out.println("系统初始化中...");
+        Account admin = new Account("1","admin","123456","1032584581@qq.com","0","0", LocalDateTime.now(),LocalDateTime.now());
+        AccountT accountT = AccountT.getInstance();
+        accountT.add(admin);
+        //System.out.println(AccountT.getArrayList().get(0));
+        try {
+            Thread.sleep(2000);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+        System.out.println("系统初始化成功！");
+    }
+
 }

src/com/ubitgroup/data/AccountT.java

 package com.ubitgroup.data;
 
+import com.ubitgroup.model.bean.Account;
+
 import java.util.ArrayList;
 
 /*
@@ -7,7 +9,7 @@ import java.util.ArrayList;
 * */
 public class AccountT {
     private static final AccountT instance = new AccountT();
-    private static ArrayList arrayList;
+    private static ArrayList<Account> arrayList;
     private AccountT(){
         init();
     }
@@ -16,11 +18,66 @@ public class AccountT {
     }
 
     private static void init(){
-        arrayList = new ArrayList();
+        arrayList = new ArrayList<>();
     }
 
-    public static ArrayList getArrayList(){
+    /*
+     * 获取全部数据
+     * */
+    public static ArrayList<Account> getArrayList() {
         return arrayList;
     }
 
+    /*
+    * 查找元素在list中的索引
+    * */
+    public Integer getIndex(String id){
+        int index = -1;
+        for (int i = 0; i < arrayList.size(); i++) {
+            Account account = arrayList.get(i);
+            if (account.getId().equals(id)){
+                index = i;
+                break;
+            }
+        }
+        return index;
+    }
+
+    /*
+     * 增加元素
+     * */
+    public Boolean add(Account account){
+        return arrayList.add(account);
+    }
+
+    /*
+     * 修改元素
+     * */
+    public Boolean set(Account account){
+        Integer index = getIndex(account.getId());
+        if (index == -1) {
+            return false;
+        }else{
+            Account oldAccount = arrayList.set(index,account);
+            return !oldAccount.equals(account);
+        }
+    }
+
+    /*
+     * 删除元素
+     * */
+    public Integer remove(Account[] accounts){
+        Integer count = 0;
+        for (Account account : accounts) {
+            Integer index = getIndex(account.getId());
+            if (index != -1) {
+                boolean flag = arrayList.remove(index);
+                if (flag) {
+                    count++;
+                }
+            }
+        }
+        return count;
+    }
+
 }