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How to use the v-model directive in vue.js to implement two-way data binding

php中世界最好的语言Original: 2018-05-28 13:48:051637browse

This time I will show you how to use the v-model directive in vue.js to achieve two-way data binding, and how to use the v-model directive in vue.js to achieve two-way data binding. What are the precautions , the following is a practical case, let’s take a look.

One of the major functions of vue.js is to realize two-way binding of data. This article will introduce the use of v-model instructions to realize two-way binding during form processing:

v-model this Instructions can only be used on form elements such as , . The so-called two-way binding refers to the data in the vue instance in js and the content on the rendered dom element. To remain consistent, no matter which one of the two is changed, the other will be updated to the same data accordingly. This is accomplished by setting the <a href="http://www.php.cn/wiki/169.html" target="_blank">property</a> accessor. For example: </p> <p style="text-align: left;">app.html</p> <pre class="brush:php;toolbar:false"><!doctype html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <title> vuejs v-model 数据双向绑定 </title> <style type="text/css"> [v-cloak] { display: none } </style> </head> <body> <p id="app"> <form> 姓名： <input type="text" v-model="data.name" placeholder="姓名"/> <br /> 性别： <input type="radio" id="one" value="One" v-model="data.sex"/> <label for="man">男</label> <input type="radio" id="two" value="Two" v-model="data.sex"/> <label for="male">女</label> <br /> <input type="checkbox" id="jack" value="book" v-model="data.interest"/> <label for="jack">阅读</label> <input type="checkbox" id="john" value="swim" v-model="data.interest"/> <label for="john">游泳</label> <input type="checkbox" id="move" value="game" v-model="data.interest"/> <label for="move">游戏</label> <input type="checkbox" id="mike" value="song" v-model="data.interest"/> <label for="mike">唱歌</label> <br /> 身份： <select v-model="data.identity"> <option value="teacher" selected>教师</option> <option value="doctor">医生</option> <option value="lawyer">律师</option> </select> </form> <p><pre class="brush:php;toolbar:false">data: {{$data | json 2}}</pre></p> </p> </body> <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js" charset="utf-8"></script> <script src="https://cdn.bootcss.com/vue/2.3.0/vue.min.js" charset="utf-8"></script> <script type="text/javascript"> $(function() { new Vue({ el: '#app', data: { data:{ name:'', sex:'', interest:[], identity:'' } } }) }) </script> </html></pre> <p> I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the PHP Chinese website! </p> <p>Recommended reading: </p> <p><a href="http://www.php.cn/js-tutorial-398739.html" target="_blank">How to implement fuzzy query of vue input input box</a><br></p> <p><a href="http://www.php.cn/js-tutorial-398730.html" target="_blank">How to use nodejs express to configure a self-signed https server </a><br></p><p>The above is the detailed content of How to use the v-model directive in vue.js to implement two-way data binding. For more information, please follow other related articles on the PHP Chinese website!</p></div><div class="nphpQianMsg"><div class="clear"></div></div><div class="nphpQianSheng"><span>Statement：</span><div>The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. 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