新增 - 表

model/Table.js

@@ -0,0 +1,39 @@
+//表实体
+class Table {
+    constructor(tableName) {
+        this.tableName = tableName;
+        this._objs = {};
+    }
+
+    setItem(k, v = null) {
+        this._objs[k] = v;
+    }
+
+    addItem(k, v = null) {
+        if (this._objs[k])
+            throw new Error("ADD_ITEM_ERROR: This is not null!");
+        else
+            this._objs[k] = v;
+    }
+
+    delItem(k, v = null) {
+        delete this._objs[k];
+    }
+
+    toString() {
+        return JSON.stringify(this._objs);
+    }
+}
+
+//权限表实体
+class PermissionTable extends Table {
+    constructor(tableName) {
+        super(tableName);
+    }
+}
+
+
+module.exports = {
+    PermissionTable,
+    Table
+}