Скачать или смотреть How to Efficiently Post Tags Values with JohMun/vue-tags-input in Vue.js

Learn how to post your tags values in a Vue.js application using the JohMun/vue-tags-input component. Follow our step-by-step guide to effectively capture multiple tags and submit them through a form.
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How to Efficiently Post Tags Values with JohMun/vue-tags-input in Vue.js

Working with Vue.js can sometimes feel overwhelming, especially when you're just starting out with the framework. One common problem that new developers face is how to effectively manage user input for components that require the collection of multiple values—like tags representing user skills. In this guide, we will explore how to post tags values using the JohMun/vue-tags-input component effectively.

Understanding the Problem

You want to create a user-friendly input that allows users to enter multiple tags (such as skills) but face challenges when it comes time to submit these values in a form. Let's take a look at an example scenario:

You have defined a Vue component (TagField.vue) for managing these tags, but when you try to capture the tags in your hidden input, the output is not as expected:

[[See Video to Reveal this Text or Code Snippet]]

This indicates that the tags are being converted into object references instead of their actual values.

Step-by-Step Solution

Step 1: Review Your Existing Code

Check your component structure. In TagField.vue, you might have defined the tags in such a way that they are represented as objects. Thus, you need to convert these tags into a format that can be easily processed when submitting the form.

Step 2: Use JSON.stringify

One effective way to resolve the issue is to use JSON.stringify() on your tags array before binding it to the hidden input field. This will convert the array of objects into a JSON string representation that can be correctly parsed on the server side.

Here’s how to implement this solution:

Update Your TagField.vue File

Make sure to modify the hidden input in your template:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Explanation of the Code

Understanding the Binding: The :value directive binds the value of the hidden input to the result of JSON.stringify(tags), which serializes the JavaScript object into a JSON string format.

Why JSON Stringification Works: When the form is submitted, the server receives a well-structured string that can easily be deserialized back into a usable format, such as an array of objects.

Step 4: Full Example Overview

Here's what your updated code would now look like:

[[See Video to Reveal this Text or Code Snippet]]

Step 5: Test Your Implementation

After implementing the changes, be sure to test the form submission:

Enter multiple tags in the input field.

Submit your form and check that you are receiving the correct JSON string representing the tags.

Conclusion

By following these steps, you can successfully manage and post tag values in your Vue.js applications using JohMun/vue-tags-input. Utilizing JSON.stringify() allows for straightforward serialization of your data, making it easier to integrate with back-end services.

Feel free to expand on this method or customize tag inputs further to suit your application needs. Keep practicing, and continue exploring the vast capabilities of Vue.js!