Programming VIP

Picture upload All codes: <el-upload ref="up" :file-list="form.resourceList" :show-file-list="true" action="/api/resource/uploadImage" list-type="picture-card" :auto-upload="true" :limit="9" :on-exceed="handleExceed" :http-request="handleFileSuccess" ...

Before, the background management system only wrote two pages without separate layout details Technology stack used: vue-element-uivue-vuexvue-routervue-axios This article has been greatly modified according to the previous article, and uses multi page layout. The effect will look better than before Let's take a look at the implementation e ...

Synopsis: when performing the video playback function, I want to use axios to transmit id to the back end to play the corresponding video (my video exists locally, and it should be similar if I use a server.) The first step is to obtain and display all the video information stored in the database, that is, write a findAllVideo interface to ...

Problem description An existing page is full of a large number of form elements. The first thing to know is vue about the update mechanism on the view. If an element changes in a component, the whole component will refresh and render. Therefore, putting a large number of form elements in one component will cause page jamming. If the drop-down b ...

1 try-except For example, if we want to open a file that does not exist, it will report an error f=open('no.txt','r') f.read() ''' --------------------------------------------------------------------------- FileNotFoundError Traceback (most recent call last) <ipython-input-54-2709fabe0da7> in <module> ---- ...

Forms: Forms are mainly used to make dynamic web pages for easy interaction with users Form syntax: <form method=" " action=" " enctype="multipart/form-data"></form> When enctype uses file fields in a form, the enctype encoding property of the form must be set to "multipart/form-data", which means that the form data is ...

catalogue 1. Bidirectional binding 2.:oninput dynamic binding and @ input event processing 3. Main functions 4. Custom component code 1. Bidirectional binding The implementation of bidirectional binding is implemented by v-model in vue2.x. The main codes in this subclass are as follows: export default { name: 'IpInput', mode ...

「 🚀」 scene Recently, I started to develop the background management system based on ElementUI. I accidentally found a problem in the "El select" drop-down selection. When the amount of data in the "options" of the rendering drop-down options is too large, "there are more than 10000 data items in this project" , ...