vue实现全选和反选功能
时间:2020-12-16 08:56:43|栏目:vue|点击: 次
本文实例为大家分享了vue实现全选反选功能的具体代码,供大家参考,具体内容如下
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <script type="text/javascript" src = "vue.js"></script> <body> <div id = "test"> <input type='checkbox' v-model="checkBox.checked" class='input-checkbox' @click='checkedAll'>全选 <div v-for='checkb in checkboxData'> <input type='checkbox' class='input-checkbox' @click="checkItem" v-model='checkBox.items[checkb.id]'> {{checkb.value}} </div> </div> </body> <script> var vue = new Vue({ el:"#test", data:{ checkboxData:[ { id:'1', value:'苹果' },{ id:'2', value:'荔枝' },{ id:'3', value:'香蕉' },{ id:'4', value:'火龙果' } ], checkBox:{ checked:false, items:{} } }, methods:{ checkedAll: function() { var _this = this; console.log(_this.checkboxData); console.log(this.checkBox.items); this.checkboxData.forEach(function (item) { console.log(item.id); _this.checkBox.items[item.id] = _this.checkBox.checked; console.log(_this.checkBox.items); }); //实现反选 }, checkItem:function(){ var unchecked = 0; var _this = this; this.checkboxData.forEach( function(item) { unchecked += (! _this.checkBox.items[item.id]) || 0; }); _this.checkBox.checked = unchecked > 0 ? false : true; } } }) </script> </html>
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