fix some bugs

Author: Mryan2005

src/main/java/top/mryan2005/managesysteminjava/BasicClass/LoginPart.java

@@ -13,7 +13,7 @@ public class LoginPart {
 
     private SQLLinker sql;
 
-    private HashMap<String, User> users = new HashMap<String, User>();
+    private HashMap<String, User> users = new HashMap<>();
 
     public String getMaxId() {
         ResultSet res = sql.runSQL("SELECT MAX(id) 'maxid' FROM Users.[user]");
@@ -107,7 +107,7 @@ public void setPassword(String username, String password) {
 
     public void setSex(String username, String sex) {
         sql.runSQL("UPDATE Users.[user] SET sex = '" + sex + "' WHERE username = '" + username + "'");
-        users.get(username).Sex = sex;
+        users.get(username).sex = sex;
     }
 
     public void setLevel(String username, int level) {
@@ -120,8 +120,9 @@ public String LevelUp(String username, String Operator) {
             if(users.get(username) == null) {
                 return "用户不存在！";
             }
-            sql.runSQL("UPDATE Users.[user] SET level = " + (users.get(username).level + 1) + " WHERE username = '" + username + "'");
-            users.get(username).level = users.get(username).level+1;
+            int res = users.get(username).level + 1;
+            sql.runSQL("UPDATE Users.[user] SET level = " + res + " WHERE username = '" + username + "'");
+            users.get(username).level = res;
             return "";
         } else {
             return "权限不足！";
@@ -133,8 +134,9 @@ public String LevelUp(String username, String Operator, int dis) {
             if(users.get(username) == null) {
                 return "用户不存在！";
             }
-            sql.runSQL("UPDATE Users.[user] SET level = " + (users.get(username).level + dis) + " WHERE username = '" + username + "'");
-            users.get(username).level = users.get(username).level+dis;
+            int res = users.get(username).level + dis;
+            sql.runSQL("UPDATE Users.[user] SET level = " + res + " WHERE username = '" + username + "'");
+            users.get(username).level = res;
             return "";
         } else {
             return "权限不足！";
@@ -146,8 +148,9 @@ public void levelDown(String username, String Operator) {
             if(users.get(username) == null) {
                 return;
             }
-            sql.runSQL("UPDATE Users.[user] SET level = " + (users.get(username).level - 1) + " WHERE username = '" + username + "'");
-            users.get(username).level = users.get(username).level-1;
+            int res = users.get(username).level - 1;
+            sql.runSQL("UPDATE Users.[user] SET level = " + res + " WHERE username = '" + username + "'");
+            users.get(username).level = res;
         }
     }
 
@@ -156,8 +159,9 @@ public void levelDown(String username, String Operator, int dis) {
             if(users.get(username) == null) {
                 return;
             }
-            sql.runSQL("UPDATE Users.[user] SET level = " + (users.get(username).level - dis) + " WHERE username = '" + username + "'");
-            users.get(username).level = users.get(username).level-dis;
+            int res = users.get(username).level - dis;
+            sql.runSQL("UPDATE Users.[user] SET level = " + res + " WHERE username = '" + username + "'");
+            users.get(username).level = res;
         }
     }
 

src/main/java/top/mryan2005/managesysteminjava/BasicClass/User.java

@@ -3,17 +3,19 @@
 public class User {
     public String username;    // 用户名
     public String password;    // 密码
-    public String level;   // 等级
+    public int level;   // 等级
     public String role;    // 角色
     public String UName;    // 昵称
     public String avatar;  // 头像
+    public String sex;
 
-    public User(String username, String password, String level, String role, String UName, String avatar) {
+    public User(String username, String password, int level, String role, String UName, String avatar) {
         this.username = username;
         this.password = password;
         this.level = level;
         this.role = role;
         this.UName = UName;
         this.avatar = avatar;
+        this.sex = "Unknown";
     }
 }