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How to set variables in Uni-app

How to set variables in Uni-app

Uni-app is a cross-platform application development framework using the Vue.js framework. It can quickly develop native applications on different platforms. When developing Uni-app applications, it is often necessary to set variables in the code to implement some functions. This article will detail how to set variables in Uni-app. 1. Set variables in Vue components Vue.js is the framework that Uni-app is based on, and components are one of the core concepts of the Vue.js framework. In Vue components, variables can be set through the data attribute. Take example

Apr 20, 2023 pm 01:52 PM
How to set the background of the login page in uniapp

How to set the background of the login page in uniapp

Uniapp is a cross-platform development framework that supports the simultaneous construction of applications for multiple platforms such as iOS, Android, H5, and applets in the same code base. With the widespread application of Uniapp, more and more developers are beginning to use Uniapp to quickly develop applications, and setting the background of the login page is also a common requirement. Here's how to set the login page background in Uniapp. You can use vue-cli in Uniapp to implement the function of setting the background of the login page. First, you need to create a login under the pages folder

Apr 20, 2023 pm 01:52 PM
What should I do if uniapp cannot pop up the QQ authorization login interface?

What should I do if uniapp cannot pop up the QQ authorization login interface?

With the popularity of social networks, more and more applications are beginning to provide social login options, as this allows users to log in and use the application more conveniently and quickly. However, when developing applications using the Uniapp framework, you may encounter the problem that the QQ authorization login interface cannot pop up. This article will discuss this problem and how to solve it. First, we need to understand what Uniapp is. Uniapp is a cross-platform front-end framework that helps developers develop applications that support multiple platforms at the same time. Specifically, Un

Apr 20, 2023 pm 01:52 PM
How does uniapp app determine which page it is currently on?

How does uniapp app determine which page it is currently on?

uniapp is an open source cross-platform application development framework based on the Vue.js framework, which can quickly build efficient mobile applications. When developing and using uniapp, we often encounter the need to determine the current page. So in uniapp, how to determine which page is currently? In uniapp, you can judge the current page through the uni-app built-in API. 1. Obtain the current page information. To obtain the current page information, you need to use `uni.getCurrentP provided by uni-app.

Apr 20, 2023 pm 01:52 PM
What should I do if uniapp cannot return data when obtaining geographical location?

What should I do if uniapp cannot return data when obtaining geographical location?

With the rapid development of mobile Internet, more and more applications need to obtain users' geographical location information. When using Uniapp to develop mobile applications, you need to use the uni-app plug-in to obtain geographical location information. However, sometimes we find that uni-app cannot return data when obtaining geographical location information. How to solve this problem? 1. Check permissions First, we need to check whether the application has obtained positioning permissions. If the application does not have access permission, it will appear when we try to obtain geographical location information.

Apr 20, 2023 pm 01:52 PM
How to solve the problem of blank space at the bottom of the page after the uniapp h5 keyboard is hidden

How to solve the problem of blank space at the bottom of the page after the uniapp h5 keyboard is hidden

When developing H5 web pages, we often encounter the situation where a blank appears at the bottom of the page after the keyboard pops up. This is also a problem that often occurs in uniapp. This article will introduce you how to solve the problem of blank bottom of the page after the uniapp H5 keyboard is hidden. 1. Problem Analysis On mobile devices, when the keyboard pops up, the elements that originally occupied the bottom will be pushed up. If no processing is performed on the page at this time, a blank area will appear, giving the user a bad experience. . This problem also occurs in uniapp, because uni

Apr 20, 2023 pm 01:52 PM
Let's talk about the implementation method of multi-combination condition query under uniapp

Let's talk about the implementation method of multi-combination condition query under uniapp

Uniapp is a cross-platform application development framework based on the Vue.js framework. It can support multi-terminal unified development, reduce duplication of labor and code duplication in the development process, and improve development efficiency. During the development process, we often need to perform data query operations, and multi-combination condition query is a relatively common operation. The following will introduce the implementation method of multi-combination condition query under uniapp. 1. Overview Multi-combination condition query refers to using multiple query conditions to filter data in a SQL query statement. For example, in a product list

Apr 20, 2023 pm 01:51 PM
How to modify the style of dom elements in uniapp

How to modify the style of dom elements in uniapp

Uniapp is a cross-platform development framework developed based on the Vue framework, which can develop IOS and Android applications at the same time. In Uniapp, modifying the style of DOM elements is very simple and flexible. The following will introduce you to the methods and details of modifying the style of DOM elements in Uniapp. 1. Define the style class in the template In Uniapp, we usually represent the style of the DOM element through class in the template. Therefore we need to define the corresponding class style in CSS

Apr 20, 2023 pm 01:51 PM
Analyze and solve the problem that uniapp variable assignment does not work

Analyze and solve the problem that uniapp variable assignment does not work

Foreword: uniapp is a cross-platform front-end development framework that can develop applications for multiple platforms at the same time. But in actual work, we sometimes encounter the problem that variable assignment does not work, which may cause great trouble to our development. This article will analyze and solve this problem. Problem description: When developing using uniapp, we often need to assign values ​​to variables for use in different scenarios. But sometimes it is found that the value of the variable has not changed after the assignment, which means that the variable assignment does not work. For example

Apr 20, 2023 pm 01:51 PM
Let's explore whether Uniapp has built-in Vuex

Let's explore whether Uniapp has built-in Vuex

Uniapp is a cross-platform application development framework developed based on the Vue framework. Vuex, as a state management library in Vue, can help Vue applications share and manage state between multiple components. So, does Uniapp have Vuex built-in? Let’s explore it together. There is a Vuex answer for Uniapp. Uniapp has built-in Vuex, allowing developers to use Vuex in Uniapp to help manage the status of the application. This is also one of the more complete functions of Uniapp.

Apr 20, 2023 pm 01:51 PM
How does uniapp develop small programs and APPs?

How does uniapp develop small programs and APPs?

Develop small programs and APPs? With the continuous development of mobile Internet, more and more people are paying attention to the development of mobile applications. Developing a good application requires an excellent development tool, among which unipapp is a good choice. uniapp is a cross-platform development framework based on the Vue.js framework. It can simultaneously develop WeChat applets, Alipay applets, Baidu applets, H5, App and other platforms. The following is the specific method for uniapp to develop small programs and APPs. Step 1: To install uni-app, you first need to install un

Apr 20, 2023 pm 01:51 PM
Why does the uniapp packaged app fail to compile? How to deal with it?

Why does the uniapp packaged app fail to compile? How to deal with it?

uniapp is a cross-platform application development framework developed based on the Vue.js framework. It can quickly build an application that supports both Android and iOS platforms. It can be compiled into native applications, applets, H5 and other platforms, but it needs to be packaged. When compiling, sometimes you will encounter compilation failure problems. This article will introduce some reasons that may cause compilation failure during the uniapp packaging process and how to solve these problems. # 1. Environment configuration issues 1. Lack of Android Studio environment. If you plan to use An

Apr 20, 2023 pm 01:51 PM
Why doesn't uniapp open the browser automatically?

Why doesn't uniapp open the browser automatically?

When developing uniapp projects, we often use command line tools to start the project. The traditional development method is that after starting the project, the tool will automatically open the default browser and display our project page there. However, some developers have found that when using the latest version of the uniapp framework, the command line tool no longer automatically opens the browser. Why is this? How to solve this problem? The cause of the problem First we need to understand the development model of the uniapp project. uniapp adopts a multi-terminal unified development model, and its development process

Apr 20, 2023 pm 01:51 PM
How to disable horizontal screen in uniapp? Brief analysis of the reasons

How to disable horizontal screen in uniapp? Brief analysis of the reasons

With the popularity of mobile Internet, mobile APPs are becoming more and more popular among users. In order to cater to the needs of users and satisfy the user experience as much as possible, the development team usually tries to add many functions and various interfaces. At the same time, mobile phone screens are gradually increasing, which also promotes the horizontal screen display of APPs. However, in the process of using uniapp for mobile application development, disabling horizontal screen may be something that needs to be considered. uniapp is an efficient, cross-platform mobile application development framework that uses Vue.js development architecture, allowing you to code once

Apr 20, 2023 pm 01:51 PM

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