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- The role of computed in vue
- Computed properties in Vue.js are used to dynamically calculate values for caching, responsiveness, readability, optimized rendering performance, and simplified templates. It relies on the values of other properties for calculations and automatically updates when dependencies change, optimizing performance and simplifying code.
- Vue.js 930 2024-04-27 23:33:18
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- The instruction to implement two-way data binding in vue is
- The directive that implements two-way data binding in Vue is v-model. It implements binding by updating data properties and input controls. Usage: 1. Define a data attribute to store the input value. 2. Apply v-model to the input control. Advantages: Simplify data binding, improve development efficiency, and improve user experience.
- Vue.js 1149 2024-04-27 23:30:59
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- The function and principle of key in vue
- The role of key in Vue is to track the unique identity of list elements to optimize update performance and ensure correct deletion. The principle is to use key as an identifier in the virtual DOM node and compare the old and new keys to update only the elements that have changed, or delete elements with different keys. Best practices include giving each element a unique key, using stable values (such as IDs), and avoiding indexes.
- Vue.js 1057 2024-04-27 23:30:45
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- The instruction for attribute binding in vue is
- The attribute binding directive in Vue is v-bind, which allows dynamic binding of Vue data to HTML attributes. It is used as follows: use v-bind:attributename="expression", where attributename is the attribute name and expression is the JavaScript expression of data. Can be abbreviated to :attributename="expression". Note that the camelCase attribute needs to be converted to hyphenated form.
- Vue.js 777 2024-04-27 23:30:27
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- How does Vue use the interface provided by the backend?
- Using the backend interface in Vue can be achieved by following these steps: Install the Axios library and import it. Use the axios object to create HTTP requests such as get or post. Use the data option to pass data. To handle the response, use the data attribute to access the data returned by the backend. Use Vuex to manage data fetched from the backend, accessed through components.
- Vue.js 1302 2024-04-06 02:09:19
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- How to set Chinese in vue
- Setting the Chinese language in Vue.js requires: 1. Installing the VueI18n plug-in; 2. Creating a language file; 3. Configuring VueI18n in main.js; 4. Using the $t() method to obtain the translation string.
- Vue.js 459 2024-04-06 02:06:16
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- How to implement the add, delete, modify and check functions in Vue
- Implement the add, delete, modify, and query function in Vue.js: Create: Use v-model to bind data and send a POST request to the server to create a new record. Read: Send a GET request to the server to obtain data. Update: Use v-model to edit data and send a PUT request to the server to update the record. Delete: Send a DELETE request to the server to delete the record.
- Vue.js 847 2024-04-06 02:03:20
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- How to download files in vue
- There are two main ways to download a file: using the window.open() method: create a hidden tag, set the download properties, and click on it to trigger the download. Use third-party libraries: such as Vue File Download, Vue Download, Vue-Downloader, etc. These libraries provide an easier way to download files.
- Vue.js 847 2024-04-06 02:00:21
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- How to use vue framework
- How to use the Vue framework: Install the Vue.js dependencies. Include the Vue.js script in the HTML file. Create a Vue instance and mount it on a DOM element. Build reusable components. Leverage data responsiveness for automatic UI updates. Use event listeners to respond to user interactions. Handle page navigation via Vue Router. Manage global state via Vuex.
- Vue.js 446 2024-04-06 01:57:25
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- How do the vue framework and the springboot framework interact with the front and back ends?
- Vue.js and Spring Boot interact through: RESTful API: Vue.js uses Axios to send asynchronous HTTP requests, and Spring Boot provides a RESTful API implementation. Data passing: Data is passed through requests and responses, such as the request body or query parameters. Request method: HTTP request methods such as GET, POST, PUT, and DELETE are used to specify the operation. Routing: Spring Boot @RequestMapping annotation defines controller routing, and Vue.js uses Vue Router to define interface routing. State management: Vu
- Vue.js 1190 2024-04-06 01:51:21
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- How does the vue front-end call the back-end interface?
- Steps for the Vue front-end to call the back-end interface: Install the Axios library and create the Axios client. Send HTTP requests: GET, POST, PUT, DELETE, etc. Process response data: use .then() to process error information: use .catch()
- Vue.js 1092 2024-04-06 01:48:16
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- How to run vue front-end
- To run the Vue front-end, you need to: 1. Install Vue CLI; 2. Create a project (vue create my-project); 3. Enter the project directory (cd my-project); 4. Use development mode (npm run serve) or production mode (npm run build) to run the project.
- Vue.js 670 2024-04-06 01:45:16
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- How to run vue framework
- Vue.js is a JavaScript framework for building user interfaces. Its working principles include: template compilation: compile HTML templates into VDOM; responsive system: detect data changes and update VDOM; DOM update: effectively update the DOM, minimizing operations Number of times; automatic rendering: monitor data changes and automatically re-render the UI.
- Vue.js 1242 2024-04-06 01:39:19
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- How do the vue framework and the springboot framework interact with the front and back ends?
- Vue and Spring Boot interact with the front-end and back-end through a RESTful API, and the data is passed in JSON form: Vue makes an HTTP request to the Spring Boot API endpoint. Spring Boot processes the request and generates response data. The response data is returned to Vue to update the front-end interface. For example, Vue uses axios to make a GET request to obtain data, while Spring Boot's controller methods handle the request and return the data.
- Vue.js 1287 2024-04-06 01:36:20
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- What does vue.js:634 mean?
- When a "component not found" error occurs in Vue.js, the reasons may be: The component name is misspelled The component is not registered correctly The component file path is incorrect
- Vue.js 1191 2024-04-06 01:33:18
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