UniApp configuration and usage guide for second-hand trading and auction functions

UniApp is a cross-platform development tool based on the Vue.js framework. It can be published to multiple platforms at the same time by writing code once. In this article, we will discuss how to configure and use the second-hand transaction and auction functions in UniApp.

1. Configure the environment

First, make sure you have completed the UniApp environment configuration, including installing tools such as Node.js and Vue CLI. If you have not completed these configurations, you can refer to the UniApp official documentation.

2. Create a project

Next, we need to create a UniApp project. Open the terminal and use the following command to create a new UniApp project:

vue create -p dcloudio/uni-preset-vue my-project

Configure according to the prompts and select the corresponding plug-ins and templates.

3. Add framework extensions

UniApp provides many extensions that can help us quickly develop various functions. In this project we need to add uni-ui extension which provides many UI components.

Switch to the project directory in the terminal and execute the following command to add the uni-ui extension:

vue add uni-ui

Select the required components and modules and follow the prompts to complete the installation.

4. Configure routing

Second-hand trading and auction functions usually involve jumps between multiple pages. We need to configure routing to navigate between different pages.

Create a new file index.js in the /src/router directory under the project root directory. In the file, add the following code:

import Vue from 'vue'
import Router from 'uni-simple-router'

Vue.use(Router)

const router = new Router({
  routes: [
    {
      path: '/home',
      name: 'home',
      component: () => import('@/pages/home/index.vue'),
    },
    {
      path: '/detail',
      name: 'detail',
      component: () => import('@/pages/detail/index.vue'),
    },
    // 添加其他页面的路由配置
  ],
})

export default router

In the /src/main.js file, add the following code to enable routing:

import Vue from 'vue'
import App from './App'
import router from './router'

Vue.config.productionTip = false
App.mpType = 'app'

const app = new Vue({
  router,
  ...App,
})

app.$mount()

Now we have configured it routing.

5. Create the page

Next, we need to create the required page components. In the /src/pages directory, create two page components home and detail.

In the /src/pages/home/index.vue file, add the following code:

<template>
  <view>
    <!-- 页面内容 -->
  </view>
</template>

<script>
export default {
  name: 'Home',
  data() {
    return {}
  },
}
</script>

<style>
</style>

detailThe code of the page is similar tohome page, we will no longer show the specific code.

6. Using components

In the second-hand transaction and auction functions, we usually use some components, such as list components and card components to display product information.

In the home page, use the list component provided by uni-ui to display the product list. Add the following code to the template tag on the home page:

<template>
  <view>
    <uni-list>
      <uni-list-item
        title="商品名称"
        note="商品描述"
        extra="价格"
        thumb="/static/logo.png"
        url="/detail?id=1"
      ></uni-list-item>
      <!-- 添加更多商品列表项 -->
    </uni-list>
  </view>
</template>

In actual development, you should render list data according to specific needs.

7. Add interaction

In the detail page, we need to display the detailed information of the product and provide user interaction functions, such as bidding.

In the detail page, add the following code to the template tag:

<template>
  <view>
    <!-- 商品详细信息 -->
    <uni-card>
      <uni-card-header
        title="商品名称"
        extra="价格"
        thumb="/static/logo.png"
      ></uni-card-header>
      <uni-card-content>
        商品描述
      </uni-card-content>
    </uni-card>
    <!-- 用户交互 -->
    <uni-button @click="bid">出价</uni-button>
  </view>
</template>

<script>
export default {
  name: 'Detail',
  data() {
    return {}
  },
  methods: {
    bid() {
      // 处理出价逻辑
    },
  },
}
</script>

<style>
</style>

8. Publish to multiple platforms

UniApp allows us to code once and publish to multiple platforms at the same time, including iOS, Android, H5, etc.

In the terminal, execute the following command to publish to the H5 platform:

npm run dev:mp-weixin

Select other platforms as needed.

Congratulations, you have now completed the configuration and usage guide for UniApp to implement second-hand trading and auction functions. Based on actual needs, you can further customize and optimize this project to meet business needs.

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