北斗导航定位通信综合实践赛服务系统

app/model4/ChoiceTopic.js

@@ -0,0 +1,22 @@
+'use strict';
+
+module.exports = (app) => {
+    const { INTEGER, CHAR, STRING } = app.Sequelize;
+
+    const ChoiceTopic = app.model4.define('choice-topic', {
+        id: { type: INTEGER(5), primaryKey: true, autoIncrement: true },
+        topic: STRING(300),
+        options_a: STRING(300),
+        options_b: STRING(300),
+        options_c: STRING(300),
+        options_d: STRING(300),
+        answer: CHAR(1),
+      },{
+        freezeTableName: true,
+        timestamp: false,
+        createdAt: false,
+        updatedAt: false,
+      });
+
+    return ChoiceTopic;
+};