I Built a Desktop App with Go + Wails3 in 4 Hours

1. Create a project

You can directly create a project using the GitHub template, which integrates the following functions out of the box:
✅ Internationalization (i18n) using vue-i18n
🌗 Automatic light/dark theme support with manual override
🗃️ SQLite database integration with CRUD operations
⌨️ Keyboard shortcut (hotkey) support for efficient interaction and easy extension
⚙️ Settings panel and hotkey configuration demo
💡 Built with Wails v3, Vue 3, and TypeScript

Here are two ways to create:

 #1、Create a project directly through the GitHub template
wails3 init -n myProject -t https://github.com/JinGongX/SuiDemo                                                                        
 #2、Clone the project to the local => Create the project
 git clone https://github.com/JinGongX/SuiDemo
 wails3 init -n "Your Project Name" -t ./"suidemo local directory"

II. Project Development

The basic functions in the original template are ready to use out of the box, and basically, only the front-end needs to be continuously developed

1. Write a prompt display page

 /* /pages/Tips/Index.vue*/
<script setup lang="ts">
import { ref,onMounted,onUnmounted } from'vue'
import { InsTips } from'../../../bindings/changeme/services/suistore'
import{HideTipsWindow} from'../../../bindings/changeme/appservice'
import { applyTheme } from'../../utils/ThemeManager'
const input = ref('')
const sendMessage = () => {
if (!input.value.trim()) return
const now = Math.floor(Date.now() / 1000) 
const expireAt = parseTime(input.value) || (now + 30 * 60)
  InsTips(detectType(input.value), input.value, expireAt)
  input.value = ''
  HideTipsWindow()//Hide
}
// Monitor the Esc key to close the panel
const onKeydown = (e: KeyboardEvent) => {
if (e.key === 'Escape') {
    input.value = ''
    HideTipsWindow()
  }
}
onMounted(() => {
window.addEventListener('keydown', onKeydown)
})
onUnmounted(() => {
window.removeEventListener('keydown', onKeydown)
})
//--- A simple function for identifying type and time can be subsequently integrated into a large model ---
type PromptType = 'security' | 'device' | 'life' | 'work'|'system' |'default'
function detectType(text: string): PromptType {
if (/password|security|verify/.test(text)) return'security'
if (/backup|storage|photo|computer/.test(text)) return'device'
if (/food|cook|life/.test(text)) return'life'
if (/meeting|task|work/.test(text)) return'work'
return'default'
}
function parseTime(text: string): number | undefined {
const m = text.match(/(\d+)\s*(分钟|分|min|m)/)
if (m) returnDate.now() + Number(m[1]) * 60 * 1000
returnundefined
}
//Adjust the style on the configuration page and synchronize it to the child window
const bc = new BroadcastChannel('theme')
  bc.onmessage = (e) => {
    applyTheme(e.data)
  }
</script>

<template>
  <div
    class="fixed inset-0 flex items-center justify-center bg-black/20 backdrop-blur-sm dark:bg-gray-400/20"
  >
    <div class="w-[420px] rounded-1xl bg-white/90 dark:bg-gray-500/90 dark:text-white backdrop-blur-md shadow-[0_16px_40px_rgba(0,0,0,0.18)] px-5 py-4"
    > 
      <div class="mb-3 text-sm text-neutral-500 dark:text-white">
        Prompt: Enter a reminder for yourself
      </div> 
      <textarea
        v-model="input"  @keydown.enter.prevent="sendMessage"
        rows="2"
        placeholder="For example: Remind me to back up my photos in 30 minutes"
        class="w-full resize-none rounded-xl border border-neutral-200 bg-neutral-50 dark:bg-gray-100 px-4 py-3 text-sm text-neutral-900 placeholder:text-neutral-400 focus:border-neutral-300 focus:outline-none"
      /> 
      <div class="mt-3 flex items-center justify-between text-xs text-neutral-400 dark:text-white">
        <div>Enter confirm · Esc cancel</div>
        <div>Automatic type recognition</div>
      </div>
    </div>
  </div>
</template>

III. The complete effect is roughly as follows: