Initial commit: 宁夏智慧养殖监管平台

backend/check-table-structure.js

@@ -0,0 +1,53 @@
+/**
+ * 检查并同步数据库表结构脚本
+ */
+const { sequelize } = require('./models/index');
+
+async function checkAndSyncDatabase() {
+  try {
+    console.log('连接数据库...');
+    await sequelize.authenticate();
+    console.log('数据库连接成功');
+    
+    // 强制同步数据库（这会删除现有表并重新创建）
+    console.log('\n开始同步数据库模型...');
+    await sequelize.sync({ force: true });
+    console.log('数据库模型同步完成');
+    
+    // 检查创建的表
+    console.log('\n=== 检查创建的表 ===');
+    const [tables] = await sequelize.query("SHOW TABLES");
+    console.log('已创建的表:', tables.map(row => Object.values(row)[0]));
+    
+    // 检查devices表结构
+    console.log('\n=== devices表结构 ===');
+    const [devicesFields] = await sequelize.query("DESCRIBE devices");
+    console.log('devices表字段:');
+    devicesFields.forEach(field => {
+      console.log(`- ${field.Field}: ${field.Type} (${field.Null === 'YES' ? 'NULL' : 'NOT NULL'})`);
+    });
+    
+    // 检查animals表结构
+    console.log('\n=== animals表结构 ===');
+    const [animalsFields] = await sequelize.query("DESCRIBE animals");
+    console.log('animals表字段:');
+    animalsFields.forEach(field => {
+      console.log(`- ${field.Field}: ${field.Type} (${field.Null === 'YES' ? 'NULL' : 'NOT NULL'})`);
+    });
+    
+    // 检查alerts表结构
+    console.log('\n=== alerts表结构 ===');
+    const [alertsFields] = await sequelize.query("DESCRIBE alerts");
+    console.log('alerts表字段:');
+    alertsFields.forEach(field => {
+      console.log(`- ${field.Field}: ${field.Type} (${field.Null === 'YES' ? 'NULL' : 'NOT NULL'})`);
+    });
+    
+  } catch (error) {
+    console.error('操作失败:', error);
+  } finally {
+    await sequelize.close();
+  }
+}
+
+checkAndSyncDatabase();