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How to use Vue to implement Lenovo search effects

王林Original: 2023-09-19 13:39:15927browse

How to use Vue to implement associative search effects

Introduction:
Associative search is a common function in modern websites and applications. It can be based on the user's Enter real-time display of search suggestions related to it. In this article, we will introduce how to use the Vue framework to implement a simple association search function, and provide specific code examples.

Vue framework introduction:
Vue is a popular JavaScript framework for building user interfaces. It's easy to learn and use, and highly scalable. Vue makes building interactive applications easier and more efficient through the ideas of data binding and componentization.

Implementation steps:

Create a Vue application:
First, we need to create an instance of Vue to manage the data and interaction of our application . Introduce the Vue library in HTML and create a Vue instance in JavaScript.

<html>
<head>
  <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
  <div id="app">
    <!-- Your HTML code here -->
  </div>
</body>
</html>

<script>
new Vue({
  el: '#app',
  data: {
    inputValue: '',
    suggestions: []
  },
  methods: {
    // Your methods here
  }
});
</script>

Monitor changes in the input box:
We need to monitor what the user inputs in the input box and obtain relevant Lenovo search suggestions in real time when the input changes. This function can be achieved using Vue's v-model directive.
```
<input type="text" v-model="inputValue" @input="getSuggestions" />
```
```
methods: {
  getSuggestions: function() {
    // Your code to get suggestions based on inputValue here
  }
}
```

Get Lenovo search suggestions:
When the user enters content in the input box, we need to send an asynchronous request to obtain related Lenovo search suggestions. In Vue, we can use libraries such as Axios or Vue-resource to send HTTP requests.

methods: {
  getSuggestions: function() {
    axios.get('/getSuggestions', {
      params: {
        keyword: this.inputValue
      }
    })
    .then(response => {
      this.suggestions = response.data;
    })
    .catch(error => {
      console.error(error);
    });
  }
}

Display search suggestions:
After obtaining the Lenovo search suggestions, we need to display them on the page for users to choose. You can use Vue's v-for directive to iterate through the suggestions array and render each suggestion onto the page.
```
<ul>
  <li v-for="item in suggestions" :key="item.id">
    {{ item.name }}
  </li>
</ul>
```
```
data: {
  suggestions: []
}
```
Note: This is a simple example. In actual applications, you may need to filter and sort the search results.

Summary:
This article introduces how to use the Vue framework to implement association search effects. By monitoring changes in the input box, sending asynchronous requests to obtain relevant search suggestions, and then displaying the search suggestions on the page, we can implement a real-time association search function. The above is just a simple example, you can expand and optimize it according to actual needs. I hope this article can help you understand and use the Vue framework.

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