怎么在Vue中通过自定义指令实现一个拖拽功能
这期内容当中小编将会给大家带来有关怎么在Vue中通过自定义指令实现一个拖拽功能,文章内容丰富且以专业的角度为大家分析和叙述,阅读完这篇文章希望大家可以有所收获。
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>实例方法</title> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <script src="../js/vue1.0.js"></script> <script src="../js/vue-resource.js"></script> <script> //自定义指令 Vue.directive('drag',function(){ var oDiv = this.el; oDiv.onmousedown = function(ev){ var disX = ev.clientX -oDiv.offsetLeft; var disY = ev.clientY - oDiv.offsetTop; document.onmousemove = function(ev){ var l = ev.clientX-disX; var t = ev.clientY-disY; oDiv.style.left = l+'px'; oDiv.style.top = t+'px'; }; document.onmouseup = function(){ document.onmousemove=null; document.onmouseup=null; }; }; }); window.onload = function(){ var vm = new Vue({ el:'#box', data:{} }); } </script> </head> <body> <div id="box"> <div v-drag :> </div> </div> </body> </html>
下面看下Vue自定义键盘信息
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>自定义键盘信息</title> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <script src="../js/vue1.0.js"></script> <script src="../js/vue-resource.js"></script> <script> Vue.directive('on').keyCodes.ctrl=17; Vue.directive('on').keyCodes.myenter=13; window.onload = function(){ var vm = new Vue({ el:'#box', data:{}, methods:{ show:function(){ alert(111); } } }); } </script> </head> <body> <div id="box"> <input type="text" @keydown.ctrl="show"> <hr> <input type="text" @keydown.myenter="show | debounce 2000"> </div> </body> </html>
上述就是小编为大家分享的怎么在Vue中通过自定义指令实现一个拖拽功能了,如果刚好有类似的疑惑,不妨参照上述分析进行理解。如果想知道更多相关知识,欢迎关注行业资讯频道。