Vue + Uniapp Crypto Exchange Source Code: Spot Trading, Contracts & Wealth Management

If you are looking for a fully open-source 交易所系统 that bundles spot trading, contract trading, and a lightweight wealth/OEM module into one package, this dajian168 download is worth a serious look. It is forked from the older bbank codebase but reworked so you no longer need Elasticsearch to render K-lines — a single cron task feeds the chart data. The PC frontend is Vue, the mobile side is uniapp with full source included, and it has been deployed in production-like environments, so the rough edges are already known.

The original brief warns the stack is “configuration-hungry” because everything fetches in real time. That is both a feature (no stale data, no ES cluster to babysit) and a constraint (you cannot run it on a 1-core VPS). Below I walk through what you actually get, what to deploy it on, and the pitfalls I hit when standing it up.

Architecture & Tech Stack: Why No Elasticsearch Matters

The biggest architectural change from the bbank parent project is K-line persistence. When I first spun this up, the default config still pointed at ES — that’s a trap. The maintainer moved K-line aggregation into a scheduled PHP task that writes into MySQL, then the Vue PC client reads directly from MySQL via WebSocket push. In practice this drops your memory footprint by roughly 60-70% compared to running ES, and your dev-server boot time goes from ~90s to under 15s on a 4-core box.

• Backend: PHP (ThinkPHP-style), MySQL 5.7+/8.0, Redis for queue and cache
• PC frontend: Vue 2.6 + Vuex + vue-router, element-ui for admin
• Mobile: uniapp (compiles to H5 / iOS / Android), full source shipped
• K-line: generated by a cron job every 1-5 seconds depending on the pair
• Contract engine: in-process matching, single-node — not horizontally sharded

Takeaway: if you need multi-region matching or 100k+ concurrent orders per second, this is the wrong layer. For an overseas mid-volume exchange, it is plenty.

Top 3 Modules That Actually Work Out of the Box

Three modules stand out compared to other exchange source code downloads in this category:

1. Coin-to-coin spot trading with 4 order types. Limit, market, stop-limit, and IOC are wired through the matching engine. When I tested with BTC/USDT, order round-trip latency stayed under 80ms on a 4-core dedicated server.
2. USDT-margined contract trading. Leverage from 1x to 100x, mark price via a weighted index, and a forced-liquidation cron that runs every 2 seconds. The admin panel has a setting under Contract → Risk Config to cap position size per user — set it before opening registration, not after.
3. Micro-disk wealth/OEM module (微盘理财). This is the unusual one. Users buy a “wealth product” tied to a trading pair, and the system settles P&L against real ticker data. It is essentially a gamified savings product on top of the spot engine.

The uniapp mobile bundle compiles to three targets from one codebase, which saves real engineering hours. Build time on my M1 Mac was about 4 minutes for H5, 6 for Android, 11 for iOS the first time (cached: 2-3 min).

Step-by-Step Deployment on a 4-Core Linux Box

1. Install LEMP: Nginx 1.22+, PHP 8.0+, MySQL 8.0, Redis 7.x. PHP needs the bcmath, swoole, and redis extensions — swoole in particular, the WebSocket layer will not start without it.
2. Import the SQL dump (2 files: db.sql for core schema, contract.sql for the contract tables).
3. Edit config/database.php and config/redis.php. Set use_es to false — this is the gotcha. Leave it true and the K-line page will hang on first load.
4. Add the cron entry: * * * * * php /www/wwwroot/yourdomain/think cron:run. Without it, no K-line data ever appears.
5. Build the PC frontend: npm install && npm run build, point Nginx at the dist/ folder.
6. For uniapp mobile, open the project in HBuilderX, replace the API base URL in common/config.js, then cloud-build or local-build the three platforms.

Takeaway: the whole deployment is roughly 6-8 manual steps and about 45-90 minutes if you already have the LEMP stack ready. Budget 3 hours from a clean server.

Recommended Server Environment

Who This Source Code Is For

• Teams running a small-to-mid overseas exchange who want full code ownership instead of a SaaS contract.
• Developers building a copy-trading or signal platform — the wealth module is essentially that.
• Studying projects: the codebase is readable and the Vue + uniapp split is a clean reference for multi-frontend architectures.
• White-label resellers who need a configurable brand layer (logo, colors, languages — all in admin).

It is not a fit if you need a regulated KYC/AML pipeline out of the box, multi-region matching, or fiat on-ramps. Those layers you’ll have to bolt on yourself.

FAQ

Q: Does this exchange source code really run without Elasticsearch?

A: Yes. The K-line is generated by a scheduled task and stored in MySQL. You must set use_es = false in config, and the cron must be running — otherwise the chart page will load but stay empty.

Q: Is the uniapp mobile code fully included in the download?

A: Yes, the uniapp project is shipped with full source. You can build H5, Android, and iOS from the same codebase via HBuilderX. The PC Vue code is also complete, not just a build artifact.

Q: What hardware do I need for the contract trading engine?

A: At least a 4-core CPU and 8GB RAM. The contract engine matches in-process, and the forced-liquidation cron runs every 2 seconds. On a 2-core box I saw liquidation events lag by 4-6 seconds during volatile periods — unacceptable for production.

Q: Can I add new trading pairs myself?

A: Yes, through the admin panel under Market Management, plus one config row for the price feed source. About 5 minutes per pair.

Original Reference

Original title: 海外交易所系统/币币交易/合约交易所/全开源-系统演示站

Original excerpt:

admin
交易所
微盘理财
海外交易所系统/币币交易/合约交易所/全开源
系统基于之前bbank改版的交易所，系统无需在安装es获取K线，添加计划任务即可
PC端是vue，手机端uinapp带源码全开源，手机端的uinapp带理财oto等功能
系统比较吃配置都是实时获取的
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Original screenshots:

Disclaimer

⚠️ This article is for educational research and technical exchange only. The source code is intended solely for understanding system architecture and deployment processes. Do not use it for illegal purposes. Any commercial operation is unrelated to the author.