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Saturday, October 23, 2021
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Vuejs Vue 3 Image Upload Preview Working Functionality

Vuejs Vue 3 Image Upload Preview Working Functionality

Hello friends, welcome back to my blog. Today in this blog post, I am going to show you, Vuejs Vue 3 Image Upload Preview Working Functionality.


Working Video

Vuejs Vue 3 Image Upload Preview Working Functionality
Vuejs Vue 3 Image Upload Preview Working Functionality

Vue 3 and Bootstrap 5 came and if you are new then you must check below two links:

  1. Vuejs
  2. Bootstrap 5

Friends now I proceed onwards and here is the working code snippet and use this carefully to avoid the mistakes:

1. Firstly friends we need fresh vue 3 setup and for this we need to run below commands . Secondly we should also have latest node version installed on our system. With below we will have bootstrap 5(for good looks) modules in our Vue 3 application:

npm install -g @vue/cli

vue create vuedemo

cd vuedemo

npm install bootstrap --save

npm run serve //http://localhost:8080/

2. Now friends we need to add below code into vuedemo/src/App.vue file to check the final output on browser:

<template>
 
 <div class="App container mt-5">
     
    <div class="mb-3">
      <label for="formFile" class="form-label">Upload Image:</label>
      
      <input class="form-control" ref="fileInput" type="file" @input="pickFile">
      </div>
       <div class="imagePreviewWrapper" :style="{ 'background-image': `url(${previewImage})` }" @click="selectImage"></div>
    </div>
    
</template>

<script>

//importing bootstrap 5 and pdf maker Modules
import "bootstrap/dist/css/bootstrap.min.css";
import "./App.css";
export default {
  
 
       
  
    methods: {

      //image upload and preview methods
        selectImage () {
          this.$refs.fileInput.click()
      },
      pickFile () {
        let input = this.$refs.fileInput
        let file = input.files
        if (file && file[0]) {
          let reader = new FileReader
          reader.onload = e => {
            this.previewImage = e.target.result
          }
          reader.readAsDataURL(file[0])
          this.$emit('input', file[0])
        }
      }
},
,
      data: function() {
  return {
     previewImage: null
  }  
}
</script>

3. Now friends we need to create `App.css` file inside vuedemo/src folder add below code into vuedemo/src/App.css file:

.imagePreviewWrapper {
  background-repeat: no-repeat;
    width: 250px;
    height: 250px;
    display: block;
    cursor: pointer;
    margin: 0 auto 30px;
    background-size: contain;
    background-position: center center;
}

Now we are done friends and If you have any kind of query or suggestion or any requirement then feel free to comment below.

Note: Friends, I just tell the basic setup and things, you can change the code according to your requirements.

I will appreciate that if you will tell your views for this post. Nothing matters if your views will be good or bad.

Jassa

Thanks

Ajay Malhotra
the authorAjay Malhotra
Hello to all. Welcome to therichpost.com. Myself Ajay Malhotra and I am freelance full stack developer. I love coding. I know WordPress, Core php, Angularjs, Angular 2, Angular 6, Angular 7, Angular 8, Angular 9, Angular 10, Angular 11, Angular12, Bootstrap 5, Nodejs, Laravel, Codeigniter, Shopify, Squarespace, jQuery, Google Map Api, Vuejs, Reactjs, Big commerce etc.

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