v-model這個指令只能用在<input>, <select>,<textarea>這些表單元素上，所謂雙向綁定，指的就是我們在js中的vue實例中的data與其渲染的dom元素上的內容保持一致，兩者無論誰被改變，另一方也會相應的更新為相同的數據。
<!DOCTYPE html><html> <head> <meta charset="utf-8"> <title></title> <script src="../js/Vue.js" charset="utf-8"></script> <script type="text/javascript"> window.onload = function(){ var vm = new Vue({ el:'#box', data:{ msg:'welcome vue' } }); } </script> </head> <body> <div id="box"> <input type="text" v-model='msg'/> <br /> {{msg}} </div> </body></html><!DOCTYPE html><html> <head> <meta charset="utf-8"> <title></title> <script src="../js/Vue.js" charset="utf-8"></script> <script type="text/javascript"> window.onload = function(){ var vm = new Vue({ el:'#box', data:{ msg:'welcome vue' } }); } </script> </head> <body> <div id="box"> <input type="text" v-model='msg'/> <br /> {{msg}} </div> </body></html><!DOCTYPE html><html> <head> <meta charset="utf-8"> <title></title> <script src="../js/Vue.js" charset="utf-8"></script> <script type="text/javascript"> window.onload = function(){ var vm = new Vue({ el:'.box', data:{ msg:'welcome vue' } }); } </script> </head> <body> <div class="box"> <input type="text" v-model='msg'/> <br /> <input type="text" v-model='msg'/> <br /> {{msg}} </div> </body></html> <!DOCTYPE html><html> <head> <meta charset="utf-8"> <title></title> <script src="../js/Vue.js" charset="utf-8"></script> <script type="text/javascript"> window.onload = function(){ var vm = new Vue({ el:'.box', data:{ msg:'welcome vue', msg2:12, msg3:true, arr:['app','orange','pare'] } }); } </script> </head> <body> <div class="box"> <input type="text" v-model='msg'/> <br /> <input type="text" v-model='msg'/> <br /> {{msg}} <br /> {{msg2}} <br /> {{msg3}} <br /> {{arr}} </div> </body></html>以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持武林網。
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