uniapp implements opening the URL

Uniapp is a cross-platform development framework that supports writing once and publishing on multiple terminals, and is suitable for a variety of application scenarios. In actual development, we often need to open the URL in the App, such as displaying the H5 page in the application, jumping to a third-party website, etc. This article will introduce how to implement the opening URL function in Uniapp.

1. Using H5 pages

H5 pages refer to web pages running in the browser. Uniapp also supports the use of H5 pages in applications. The implementation method is as follows:

1. Create an H5 page

Create a new H5 page in the pages directory of the Uniapp project, such as a page named "webView".

2. Write page code

Write html code in webView.vue, for example:

<template>
    <div>
        <iframe width="100%" height="100%" src="{{url}}"></iframe>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                url: 'https://www.baidu.com'
            }
        }
    }
</script>

In the code, we use an iframe tag to Embed in a web page, where the src attribute is the URL link to be opened. In this example we have opened the Baidu URL, you can replace it with other addresses according to the actual situation.

3. Jump page

Where you need to open the URL, use the uni.navigateTo method to jump to the webView page to open the URL. For example:

uni.navigateTo({
    url: '/pages/webView/webView'
})

The H5 page we wrote before will be opened and the Baidu URL will be displayed. It should be noted that if you need to open the URL multiple times during actual development, it is recommended to pass the url parameters to the webView page and decide which URL to open based on the passed parameters.

2. Use third-party plug-ins

In Uniapp, there is a simpler implementation method, which is to use third-party plug-ins. There are many mature plug-ins to choose from in this way, such as the uni-app-plus/webview plug-in, the AppWebview plug-in provided by DCloud, etc.

We take the uni-app-plus/webview plug-in as an example here.

1. Install the plug-in

Use the npm command to install the webview plug-in in the Uniapp project. The command is as follows:

npm install uni-app-plus/webview

2. Introduce the plug-in

In the page that needs to open the URL, introduce the webview plug-in through import:

import webView from '@/uni_modules/uni-webview/uni-webview.js'

3. Open the URL

Open the URL through the webView.open method:

webView.open('https://www.baidu.com')

The Baidu URL will be opened in the application.

It should be noted that the use of third-party plug-ins may have compatibility issues and may increase the size of the application. Therefore, you need to choose whether to use it based on the specific situation.

Summary:

Through the introduction of this article, we can learn about the two ways to open a URL in Uniapp. If you only need to display a simple web content in the application, you can use the H5 page directly; if you need richer functional support, you can try to use a third-party plug-in. It should be noted that security issues must be paid attention to during the actual development process to avoid opening unsafe URLs that may cause application problems.

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