42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
const mysql = require('mysql2');
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async function checkTables() {
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const connection = mysql.createConnection({
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host: process.env.DB_HOST || 'nj-cdb-3pwh2kz1.sql.tencentcdb.com',
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port: process.env.DB_PORT || 20784,
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user: process.env.DB_USER || 'jiebanke',
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password: process.env.DB_PASSWORD || 'aiot741$12346',
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database: process.env.DB_NAME || 'niumall'
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});
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try {
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console.log('连接到远程数据库...');
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// 获取所有表名
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const [tables] = await connection.promise().query('SHOW TABLES');
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console.log('数据库中的表:');
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tables.forEach(table => {
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const tableName = table[`Tables_in_${process.env.DB_NAME || 'niumall'}`];
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console.log(`- ${tableName}`);
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});
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// 获取每个表的详细信息
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console.log('\n表结构详情:');
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for (const table of tables) {
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const tableName = table[`Tables_in_${process.env.DB_NAME || 'niumall'}`];
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console.log(`\n表 ${tableName}:`);
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const [columns] = await connection.promise().query(`DESCRIBE ${tableName}`);
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columns.forEach(column => {
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console.log(` ${column.Field} (${column.Type}) ${column.Null === 'YES' ? 'NULL' : 'NOT NULL'} ${column.Key ? `KEY: ${column.Key}` : ''} ${column.Default ? `DEFAULT: ${column.Default}` : ''}`);
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});
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}
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} catch (error) {
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console.error('数据库连接错误:', error.message);
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} finally {
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await connection.end();
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}
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}
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checkTables(); |