數據結構
/*數據*/ var ko_vue_data=[ { name: "總能耗", number:"0", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [ { name: "租戶電耗", number:"1", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [] }, { name: "公共用電", number:"2", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [ { name: "暖通空調", number:"2.1", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [ { name: "冷站", number:"2.1.1", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [ { name: "冷水機組", number:"2.1.1.1", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [] } ] }, { name: "熱力站", number: "2.1.2", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [] } ] } ] } ] } ];效果圖
之前已經寫過用Vue實現圖上效果的方法，此篇為用knockout.js實現上圖效果的方法，同樣通過模板將數據綁定到頁面。
模板代碼
<script type="text/html" id="ko-temp"> <div class="tem"> <div class="tem-p" > <div data-bind="event:{click:$root.toggleClick}"><i data-bind="style:{'visibility':number!=0?'visible':'hidden'},text:number"></i><span data-bind="text:name"></span></div> <!--綁定數據--> <div><span data-bind="text:energyone"></span></div> <div><span data-bind="text:energytwo"></span></div> <div><span data-bind="text:energythree"></span></div> <!--綁定class，使數值顯示出區分--> <div><span data-bind="css:{isgreen:huanRatio<0,isred:huanRatio>100},text:huanRatio+'%'"></span></div> <div><span data-bind="css:{isgreen:tongRatio<0,isred:tongRatio>100},text:tongRatio+'%'"></span></div> </div> <!--ko if:isFolder--> <div class="tem-c" data-bind="template:{name:'ko-temp',foreach: child}" ></div> <!--/ko--> </div></script>請對比之前一篇Vue的方法，了解兩種方式模板綁定方式的不同。
模板寫完，在頁面上使用模板。
html代碼
<div class="component-div" data-bind="template:{name:'ko-temp',foreach: ko_vue_data()}"></div>JavaScript代碼
/*數據*/ var ko_vue_data=[ { name: "總能耗", number:"0", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [ { name: "租戶電耗", number:"1", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [] }, { name: "公共用電", number:"2", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [ { name: "暖通空調", number:"2.1", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [ { name: "冷站", number:"2.1.1", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [ { name: "冷水機組", number:"2.1.1.1", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [] } ] }, { name: "熱力站", number: "2.1.2", energyone: 14410, energytwo: 1230, energythree: 1230, huanRatio: -36.8, tongRatio: 148.5, child: [] } ] } ] } ] } ]; function addAttribute(dst){ for(var i=0;i<dst.length;i++){ var temp=dst[i]; temp.isFolder=ko.observable(true);//默認展開 for(var j=0;j<temp.child.length;j++){ addAttribute(temp.child); } } } addAttribute(ko_vue_data); /*視圖模型*/ function viewModel() { var self=this; self.ko_vue_data=ko.observableArray(ko_vue_data); self.toggleClick=function (event) {//展開折疊效果 window.event? window.event.cancelBubble = true : event.stopPropagation(); var isFolder=event.isFolder(); if(isFolder){ event.isFolder(false); }else { event.isFolder(true); } } } ko.applyBindings(new viewModel());css樣式同之前一篇Vue的一致，在這里就不在贅述，如有需要可查看之前一篇。到此兩種方式算是全部寫完，在報表多的頁面，對于以上代碼，稍加修改即可復用，綁定數據非常方便。
總結
以上所述是小編給大家介紹的knockoutjs模板實現樹形結構列表，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對武林網網站的支持！
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