Programmer Think

vue export Excel format vue JSON Excel file Saver xlsx Recently, the company is writing a project. It needs to export the json data in vue to Excel format. There are two ways to realize this: searching the data on the Internet The second method is recommended by individuals. Although the first method is convenient, ...

1. What is the component Component system is an important concept of Vue, because it is an abstraction, which allows us to build large-scale applications with small, independent and usually reusable components. Usually an application is organized in the form of a nested component tree. 1.1 declaration and use of components Global components ...

Recently, a problem was found in the project. The loading speed of the page is very slow after each refresh, about 20s. In the development environment, it is very smooth, almost imperceptible. This article refers to the optimization of various schemes of Wangshan. 1. Close the map file generated during packaging In the config/index.js file, it ...

vue refresh page The first traceless refresh Second forced refresh Third fake refresh The first traceless refresh First register a method in the global component, use this method to control the display of the router view, and then call it in the sub component; Display controlled by v-if; provide: global registr ...

Preface In Last article In, we have classified and explained the common instructions encountered in the development of vue. We have probably learned how to realize data binding and realize dynamic data display function. With instructions, we can develop faster and better. In this article, we will explore the life cycle of vue through examples. ...

This video control is a control in the npm library. The source address of this control is: https://www.npmjs.com/package... . Because this control is relatively simple to use and there are not too many complex buttons, it can only play the camera picture in real time, which is suitable for the project requirements, so this control is selected ...

When I first contacted vue, I was puzzled by the rendering of router view for a long time. I don't know why there are many router links and different router views, but why is there no confusion in rendering? This is a demo I wrote myself On the left is the primary route, on the right is the component corresponding to the primary route. On t ...

start First of all, it was broken up. After changing jobs, I finally had some leisure time. Suddenly, I realized that I hadn't written a blog for more than a year. After thinking about this time, I didn't seem to have much new technology accumulation. I felt so ashamed that I could not confuse myself.OK, let's get into the topic right away. Tod ...

React is consistent with the principle of Vue, which is introduced in the column of Vue. The difference between key not writing and key using array subscript key not writing is the same as using array subscript. All are side faces that use "update in place" by default. When Vue is updating ...

In normal project development, we often upload files, not only to achieve the basic needs, but also to take into account the user experience. According to the problems encountered in our work, we talk about the preview of image upload and the optimization of upload progress. 1. Construction project Based on the project built by Vue.js+axios, ...