How to develop small programs in uniapp

UniApp Mini Program Development Guide

UniApp is a cross-platform development framework that allows developers to build iOS, Android and H5 applications using a set of codes. This guide will introduce how to use UniApp to develop applets.

Step 1: Install UniApp Tools

• Install Node.js
• Install UniApp CLI globally: npm install -g @ dcloudio/uni-cli

Step 2: Create project

• Create a new directory
• Use UniApp CLI Create a project: uni-app create uni-app-project

Step 3: Select encoding language

• UniApp Supports three coding languages: Vue.js, Nvue (a lightweight Vue) and HBuilderX. Choose a language you are familiar with.

Step 4: Add applet configuration

• In the manifest.json file, add the applet Configuration:

  <code>{
  "appid": "你的小程序 AppID",
  "name": "你的小程序名称",
  "version": "1.0.0",
  "description": "你的小程序描述"
  }</code>

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Step 5: Write the small program code

• In the src directory, write your small program code. You can use Vue components or native JavaScript.

• For example, a simple Hello World applet code is as follows:

  <code class="html"><template>
  <view>Hello, UniApp!</view>
  </template>
  
  <script>
  export default {
  data() {
    return {
      message: 'Hello, UniApp!'
    }
  }
  }
  </script></code>

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Step 6: Compile the applet

• Run the following command to compile the mini program:

  <code>uni-app build --type mp-weixin,mp-alipay,mp-baidu,mp-toutiao,mp-qq (根据需要选择平台)</code>

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Step 7: Upload the mini program

• Based on To publish the mini program platform, upload the mini program package. For example, for the WeChat applet:
• Enter the WeChat developer tools and select "Upload Code"
• Select the compiled applet package
• Click "Upload"

Tips:

• Use the UniUI component library to quickly develop mini program interfaces.
• Back-end functions can be easily implemented using UniCloud cloud services.
• Detailed documentation and code examples are available on the UniApp official website.

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