How to implement sliding verification function in Vue
How to implement sliding verification function in Vue
Sliding verification is a common verification method and is widely used in user login, registration, comment and other scenarios. This article will introduce how to use the Vue framework to implement a simple sliding verification function and provide specific code examples.
First, we need to install the Vue framework. Vue can be installed through the npm command:
npm install vue
Next, we create a Vue instance and define the required data and methods. In this sliding verification function, we need a flag to determine whether the verification is completed, and a variable to record the position of the slider.
new Vue({
el: "#app",
data: {
isVerified: false,
startX: 0,
endX: 0
},
methods: {
handleMouseDown(event) {
this.startX = event.clientX;
},
handleMouseMove(event) {
if (this.startX === 0) return;
this.endX = event.clientX;
},
handleMouseUp() {
if (this.startX === 0 || Math.abs(this.endX - this.startX) < 50) {
this.reset();
return;
}
this.isVerified = true;
},
reset() {
this.startX = 0;
this.endX = 0;
}
}
});In the above code, isVerified is used to determine whether the verification is completed, startX and endX are used to record the start of the slider respectively. position and end position. The handleMouseDown method is used to record the position when the mouse is pressed, the handleMouseMove method is used to record the position when the mouse moves, the handleMouseUp method is used to verify the position of the slider Whether the requirements are met and the isVerified value is updated, the reset method is used to reset the slider position.
Next, we create an element containing the slider and validation button in HTML and bind the corresponding event handling method:
<div id="app">
<div class="slider-container">
<div class="slider" @mousedown="handleMouseDown" @mousemove="handleMouseMove" @mouseup="handleMouseUp"></div>
<div class="verify-button" v-if="!isVerified">验证</div>
<div class="success-message" v-else>验证成功</div>
</div>
</div>In CSS, we can add some styles to Define the appearance of the sliding verification component:
.slider-container {
width: 300px;
height: 50px;
background-color: #f0f0f0;
position: relative;
}
.slider {
width: 50px;
height: 50px;
background-color: #428bca;
position: absolute;
cursor: pointer;
}
.verify-button {
width: 50px;
height: 50px;
background-color: #fff;
line-height: 50px;
text-align: center;
position: absolute;
right: 0;
top: 0;
cursor: pointer;
}
.success-message {
width: 100%;
height: 100%;
background-color: #5cb85c;
line-height: 50px;
text-align: center;
color: #fff;
font-size: 18px;
display: flex;
justify-content: center;
align-items: center;
} In the above code, slider-container is the container for the slider and verification button, slider is the slider, verify-button is the verification button, success-message is the prompt message for successful verification.
Finally, we introduce Vue and the file where the above code is located in index.html to see the effect of the sliding verification function.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>滑动验证</title>
<link rel="stylesheet" href="styles.css">
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
<div class="slider-container">
<div class="slider" @mousedown="handleMouseDown" @mousemove="handleMouseMove" @mouseup="handleMouseUp"></div>
<div class="verify-button" v-if="!isVerified">验证</div>
<div class="success-message" v-else>验证成功</div>
</div>
</div>
<script src="main.js"></script>
</body>
</html>When the position of the slider exceeds a certain threshold (here set to 50 pixels), the sliding verification will succeed and a verification success message will be displayed.
Through the above steps, we successfully implemented the sliding verification function in Vue. This function can be easily applied to various scenarios that require verification to protect the security of user information.
The above is the detailed content of How to implement sliding verification function in Vue. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
1392
52
How to use bootstrap in vue
Apr 07, 2025 pm 11:33 PM
Using Bootstrap in Vue.js is divided into five steps: Install Bootstrap. Import Bootstrap in main.js. Use the Bootstrap component directly in the template. Optional: Custom style. Optional: Use plug-ins.
How to add functions to buttons for vue
Apr 08, 2025 am 08:51 AM
You can add a function to the Vue button by binding the button in the HTML template to a method. Define the method and write function logic in the Vue instance.
How to reference js file with vue.js
Apr 07, 2025 pm 11:27 PM
There are three ways to refer to JS files in Vue.js: directly specify the path using the <script> tag;; dynamic import using the mounted() lifecycle hook; and importing through the Vuex state management library.
How to use watch in vue
Apr 07, 2025 pm 11:36 PM
The watch option in Vue.js allows developers to listen for changes in specific data. When the data changes, watch triggers a callback function to perform update views or other tasks. Its configuration options include immediate, which specifies whether to execute a callback immediately, and deep, which specifies whether to recursively listen to changes to objects or arrays.
What does vue multi-page development mean?
Apr 07, 2025 pm 11:57 PM
Vue multi-page development is a way to build applications using the Vue.js framework, where the application is divided into separate pages: Code Maintenance: Splitting the application into multiple pages can make the code easier to manage and maintain. Modularity: Each page can be used as a separate module for easy reuse and replacement. Simple routing: Navigation between pages can be managed through simple routing configuration. SEO Optimization: Each page has its own URL, which helps SEO.
How to return to previous page by vue
Apr 07, 2025 pm 11:30 PM
Vue.js has four methods to return to the previous page: $router.go(-1)$router.back() uses <router-link to="/" component window.history.back(), and the method selection depends on the scene.
How to use vue traversal
Apr 07, 2025 pm 11:48 PM
There are three common methods for Vue.js to traverse arrays and objects: the v-for directive is used to traverse each element and render templates; the v-bind directive can be used with v-for to dynamically set attribute values for each element; and the .map method can convert array elements into new arrays.
How to jump a tag to vue
Apr 08, 2025 am 09:24 AM
The methods to implement the jump of a tag in Vue include: using the a tag in the HTML template to specify the href attribute. Use the router-link component of Vue routing. Use this.$router.push() method in JavaScript. Parameters can be passed through the query parameter and routes are configured in the router options for dynamic jumps.
