Vibe Coding · 课时

应用构建器：v0、Bolt 与 Lovable

在浏览器中将提示词变成可运行的应用

第 3 / 4 课13 个步骤

应用构建器：v0、Bolt 与 Lovable 是 CoddyKit 上的免费 Vibe Coding 课时。这是第 3 节课，共 4 节。你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。这是 Vibe Coding 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 Vibe Coding 课程共包含 4 节课。

本课时的部分内容尚未翻译，以英文显示。

From Prompt to App in the Browser

What if you could type a sentence and watch a working app appear — no install, no setup? That's what app builders do. They run in your browser, take a prompt, and generate a live app you can see and click immediately.

The big three for vibe coding are v0, Bolt, and Lovable. They're the fastest way to go from idea to something real.

v0: UI from a Sentence

v0 (by Vercel) specializes in beautiful user interfaces. Describe a screen and it generates clean, modern UI components you can preview and tweak.

It's a favorite for landing pages, dashboards, and forms. You get polished design quickly, then refine it with follow-up prompts.

In v0 you might type:

"A pricing page with three plans (Free, Pro, Team), each in a card with a title, price, feature list, and a Sign Up button. Modern, clean, with a purple accent color."

Bolt: Full Apps That Run

Bolt (by StackBlitz) goes further — it builds a whole running app in the browser, including the logic, and shows it live with a built-in preview.

It can install packages, run the dev server, and even let you deploy. Great when you want a functional prototype, not just a pretty screen.

In Bolt you might type:

"Build a tip calculator: enter a bill amount and tip percentage, and show the tip and total. Make it look friendly and mobile-first."

Lovable: Apps with a Backend

Lovable aims at full products. It builds the frontend and can connect a database and login, so you get an app that stores real data.

Describe a small product and Lovable scaffolds the pieces — pages, data, and accounts — that you'd otherwise wire together by hand.

In Lovable you might type:

"A simple recipe-saving app. Users can sign up, add recipes with a title and ingredients, and see their saved recipes. Store the data so it persists."

The Live Preview Loop

The superpower of these tools is the instant preview. You prompt, the app updates on the right, and you react to what you see.

This visual feedback loop is pure vibe coding: you're steering by looking, not by reading code. See something off? Just say what to change.

Follow-up prompts you'd type after seeing the preview:

"Make the header bigger and center it."
"Change the button color to green."
"Add a footer with a copyright line."

Iterate by Conversation

You don't restart — you refine. Each follow-up prompt nudges the app closer to what you want. The tool remembers the project, so small requests build on each other.

Think of it as a conversation with a designer-developer who edits live as you talk.

"Looks great. Now add a second page that lists all submitted entries, and put a link to it in the header."

What They Generate

Under the hood these tools usually output modern web code — often React and Tailwind CSS. You don't need to understand all of it, but here's a tiny piece of plain JavaScript like the logic they'd create for a tip calculator.

function tipCalculator(bill, tipPercent) {
  const tip = bill * (tipPercent / 100);
  const total = bill + tip;
  return { tip: tip.toFixed(2), total: total.toFixed(2) };
}

console.log(tipCalculator(50, 20));

Exporting and Owning Your Code

A common worry: 'Am I locked in?' Mostly no. These tools let you export or sync your project to GitHub, so you own the code and can move it into Cursor or Claude Code later.

A great workflow: prototype fast in Bolt or Lovable, then export to an AI editor for deeper, precise work.

v0 vs Bolt vs Lovable

Quick mental model for when to grab which:

v0 — gorgeous UI and components; best for screens and design.
Bolt — full running frontend apps and prototypes; great for logic + preview.
Lovable — full products with data and login; best when you need a backend.

For a quick landing page, reach for v0. For a working mini-product, reach for Lovable or Bolt.

Don't Forget Replit

Worth knowing: Replit is a browser coding environment with its own AI Agent. It builds, runs, and hosts apps entirely online — no setup on your computer.

It's a strong all-rounder, especially if you want one place to build, run, and deploy without installing anything locally.

Try One Right Now

The best way to learn these is to use one. Open v0, Bolt, or Lovable and paste a single clear prompt. Watch it build, then send three follow-ups to make it yours.

Here's a starter you can drop into any of them.

"Build a simple 'daily quote' web page. Show one inspirational quote in large text, and a 'New Quote' button that shows a different quote from a list of five. Center everything and use a calm color palette."

Quick Check

You want a working mini-product with sign-up and a database that stores user data. Which tool is the most natural fit?

在交互式课程中回答

Recap: Prompt-to-App Builders

App builders are the fastest path from idea to live app:

v0 for beautiful UI, Bolt for running apps, Lovable for full products with data.
Replit lets you build, run, and host entirely online.
Use the live preview loop: prompt, look, refine.
Export to GitHub or an AI editor when you outgrow the browser.

Next: how to choose the right tool for any job.

免费开始

用 AI 导师学习 JavaScript — 免费

在浏览器中编写并运行真实代码，获得全天候 AI 导师的即时帮助，并在网页或应用中继续学习。

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常见问题解答

「应用构建器：v0、Bolt 与 Lovable」课时是免费的吗？

是的 — 「应用构建器：v0、Bolt 与 Lovable」的完整文本可在网页上免费阅读。要进行交互式练习（内置代码编辑器和全天候 AI 导师）并解锁 Vibe Coding 课程的其余内容，请升级到 CoddyKit PRO。 Vibe Coding 课程共包含 4 节课。

「应用构建器：v0、Bolt 与 Lovable」这节课中我会学到什么？

在浏览器中将提示词变成可运行的应用你通过在浏览器中直接运行的动手代码来练习 Vibe Coding，全天候 AI 导师会在你学习这节课的过程中回答你的问题。

学习 Vibe Coding 需要有经验吗？

无需任何先前经验。CoddyKit 上的 Vibe Coding 课程适合初学者到高级学习者，你可以从这里开始或从头开始，按照自己的节奏学习。这是第 3 节课，共 4 节。

「应用构建器：v0、Bolt 与 Lovable」课时需要多长时间？

大多数 CoddyKit 课程大约需要 5–10 分钟。每节课都很精短且互动，所以你能稳步进步，并在网页和应用中从离开的地方继续。

我能在这节 Vibe Coding 课中编写并运行代码吗？

能。每节 Vibe Coding 课都包含内置代码编辑器，你可以在浏览器中直接编写并运行真实代码，并获得即时 AI 反馈 — 无需本地设置。

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