我现在用一个文本域(textarea)网数据库中存储数据,当textarea有回车换行的情况时;前台显示这条数据的时候不会换行显示。
用了
标签以后,结果可以换行显示了,但是当你在textarea中输入一条很长的数据时,textarea里有自动换行,但显示的时候却不会换行。 <br>如果既要会自动换行,又要保持文本输入时的格式,该怎么做。 <p> </p> <p> </p><p> </p> <p> </p> <br> <h2 id="回复讨论-解决方案">回复讨论(解决方案)</h2> <p class="sougouAnswer"> 用文本域作输入框,显示的时候也可以用文本域做展示框呀,不可编辑就ok了,如果不行的话就要用web编辑器实现了 </p> <p class="sougouAnswer"> 先看看数据库中保存的是什么,在网页中显示的是什么,比较下代码的区别 </p> <p class="sougouAnswer"> 先看看数据库中保存的是什么,在网页中显示的是什么,比较下代码的区别 </p> <p class="sougouAnswer"> 自动换行可以用css代码处理。。 </p> <p class="sougouAnswer"> </p><p class="yy"> 用文本域作输入框,显示的时候也可以用文本域做展示框呀,不可编辑就ok了,如果不行的话就要用web编辑器实现了 </p> <br>用了文本域显示,可以了,多谢啦!! <p class="sougouAnswer"> </p><p class="yy"> 用文本域作输入框,显示的时候也可以用文本域做展示框呀,不可编辑就ok了,如果不行的话就要用web编辑器实现了 </p> <br>用了文本域显示,可以了,多谢啦!! <p class="sougouAnswer"> </p><p class="yy"> 用文本域作输入框,显示的时候也可以用文本域做展示框呀,不可编辑就ok了,如果不行的话就要用web编辑器实现了 </p> <br> <br>用了文本域显示,可以了,多谢啦!!

Boolean attributes are special attributes in HTML that are activated without a value. 1. The Boolean attribute controls the behavior of the element by whether it exists or not, such as disabled disable the input box. 2.Their working principle is to change element behavior according to the existence of attributes when the browser parses. 3. The basic usage is to directly add attributes, and the advanced usage can be dynamically controlled through JavaScript. 4. Common mistakes are mistakenly thinking that values need to be set, and the correct writing method should be concise. 5. The best practice is to keep the code concise and use Boolean properties reasonably to optimize web page performance and user experience.

HTML code can be cleaner with online validators, integrated tools and automated processes. 1) Use W3CMarkupValidationService to verify HTML code online. 2) Install and configure HTMLHint extension in VisualStudioCode for real-time verification. 3) Use HTMLTidy to automatically verify and clean HTML files in the construction process.

HTML, CSS and JavaScript are the core technologies for building modern web pages: 1. HTML defines the web page structure, 2. CSS is responsible for the appearance of the web page, 3. JavaScript provides web page dynamics and interactivity, and they work together to create a website with a good user experience.

The function of HTML is to define the structure and content of a web page, and its purpose is to provide a standardized way to display information. 1) HTML organizes various parts of the web page through tags and attributes, such as titles and paragraphs. 2) It supports the separation of content and performance and improves maintenance efficiency. 3) HTML is extensible, allowing custom tags to enhance SEO.

The future trends of HTML are semantics and web components, the future trends of CSS are CSS-in-JS and CSSHoudini, and the future trends of JavaScript are WebAssembly and Serverless. 1. HTML semantics improve accessibility and SEO effects, and Web components improve development efficiency, but attention should be paid to browser compatibility. 2. CSS-in-JS enhances style management flexibility but may increase file size. CSSHoudini allows direct operation of CSS rendering. 3.WebAssembly optimizes browser application performance but has a steep learning curve, and Serverless simplifies development but requires optimization of cold start problems.

The roles of HTML, CSS and JavaScript in web development are: 1. HTML defines the web page structure, 2. CSS controls the web page style, and 3. JavaScript adds dynamic behavior. Together, they build the framework, aesthetics and interactivity of modern websites.

The future of HTML is full of infinite possibilities. 1) New features and standards will include more semantic tags and the popularity of WebComponents. 2) The web design trend will continue to develop towards responsive and accessible design. 3) Performance optimization will improve the user experience through responsive image loading and lazy loading technologies.

The roles of HTML, CSS and JavaScript in web development are: HTML is responsible for content structure, CSS is responsible for style, and JavaScript is responsible for dynamic behavior. 1. HTML defines the web page structure and content through tags to ensure semantics. 2. CSS controls the web page style through selectors and attributes to make it beautiful and easy to read. 3. JavaScript controls web page behavior through scripts to achieve dynamic and interactive functions.


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