feat: 完成多多畅职就业服务平台核心功能开发
主要更新: - ✅ 完成主题配色从暗色到亮蓝白配色的全面转换 - ✅ 实现高薪岗位页面及后端API集成 - ✅ 完成登录注册页面及认证系统 - ✅ 实现预招录确认功能 - ✅ 添加数据库管理和维护工具脚本 - ✅ 优化错误处理和用户体验 核心功能: 1. 首页 (index.html) - 3D地球、专业分类、过渡岗位 2. 高薪岗位页面 (high.html) - 岗位详情、预招录确认、成功案例 3. 登录注册 (auth.html) - 用户认证、专业分类选择 4. 后端API - RESTful接口,JWT认证,MySQL数据库 技术栈: - 前端:Three.js, GSAP, 原生JavaScript - 后端:Node.js, Express, MySQL - 认证:JWT, bcrypt - 样式:自定义CSS,响应式设计 数据库工具: - kill-by-ids.js - 批量终止MySQL进程 - unlock-all-tables.js - 解锁数据库表 - init-db.js - 初始化数据库 - 其他管理脚本 🤖 Generated with Claude Code Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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117
scripts/fix-database-locks.js
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117
scripts/fix-database-locks.js
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/**
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* 修复数据库锁定问题 - 简化版
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* 分步骤执行,避免复杂查询导致临时表满
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*/
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require('dotenv').config();
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const mysql = require('mysql2/promise');
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async function fixDatabaseLocks() {
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let connection;
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try {
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connection = await mysql.createConnection({
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host: process.env.DB_HOST,
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port: process.env.DB_PORT || 3306,
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user: process.env.DB_USER,
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password: process.env.DB_PASSWORD,
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database: process.env.DB_DATABASE
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});
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console.log('✅ 已连接到数据库');
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// 步骤1: 查找并终止所有waiting for handler commit的进程
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console.log('\n📋 步骤1: 查找锁定的进程...');
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const [processes] = await connection.query(
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"SELECT Id, State, Info FROM INFORMATION_SCHEMA.PROCESSLIST WHERE State LIKE '%waiting for handler commit%'"
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);
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console.log(`找到 ${processes.length} 个锁定的进程`);
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let killedCount = 0;
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for (const p of processes) {
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try {
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console.log(` 正在终止进程 ${p.Id}...`);
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await connection.query(`KILL ${p.Id}`);
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console.log(` ✅ 已终止进程 ${p.Id}`);
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killedCount++;
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} catch (err) {
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console.log(` ⚠️ 无法终止进程 ${p.Id}:`, err.message);
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}
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}
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console.log(`\n✅ 成功终止 ${killedCount} 个锁定的进程`);
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// 步骤2: 终止所有Sleep状态的连接
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console.log('\n📋 步骤2: 终止Sleep状态的连接...');
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const [allProcesses] = await connection.query('SHOW FULL PROCESSLIST');
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let sleepKilled = 0;
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for (const p of allProcesses) {
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if (p.Command === 'Sleep' && p.Id !== connection.threadId) {
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try {
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await connection.query(`KILL ${p.Id}`);
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console.log(` ✅ 已终止Sleep进程 ${p.Id}`);
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sleepKilled++;
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} catch (err) {
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console.log(` ⚠️ 无法终止进程 ${p.Id}:`, err.message);
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}
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}
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}
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console.log(`\n✅ 成功终止 ${sleepKilled} 个Sleep连接`);
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// 步骤3: 检查是否有重复的确认记录(使用简单查询)
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console.log('\n📋 步骤3: 检查重复记录...');
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const [allConfirmations] = await connection.query(
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'SELECT id, user_id, training_unit_id FROM training_confirmations ORDER BY user_id, training_unit_id, id'
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);
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console.log(`总共有 ${allConfirmations.length} 条确认记录`);
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// 找出重复的记录(在应用层处理,避免复杂SQL)
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const seen = new Map();
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const duplicates = [];
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for (const record of allConfirmations) {
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const key = `${record.user_id}_${record.training_unit_id}`;
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if (seen.has(key)) {
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// 这是重复的,标记为要删除
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duplicates.push(record.id);
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} else {
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// 第一次见到,保留
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seen.set(key, record.id);
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}
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}
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if (duplicates.length > 0) {
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console.log(`\n发现 ${duplicates.length} 条重复记录,正在删除...`);
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for (const id of duplicates) {
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await connection.query('DELETE FROM training_confirmations WHERE id = ?', [id]);
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console.log(` ✅ 已删除重复记录 ID: ${id}`);
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}
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} else {
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console.log('✅ 没有发现重复记录');
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}
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// 步骤4: 解锁所有表
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console.log('\n📋 步骤4: 解锁所有表...');
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await connection.query('UNLOCK TABLES');
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console.log('✅ 表已解锁');
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console.log('\n✅ 所有操作完成!');
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console.log('\n💡 现在可以重新测试预招录确认功能了');
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console.log('\n建议:如果问题仍然存在,可能需要重启Node.js服务器以释放连接池');
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} catch (error) {
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console.error('❌ 操作失败:', error.message);
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console.error('错误详情:', error);
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process.exit(1);
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} finally {
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if (connection) {
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await connection.end();
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}
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}
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}
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fixDatabaseLocks();
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