Jquery樹(shù)形控件是一款基于JQuery+bootstrap、完全通過(guò)js和樣式手寫(xiě)出來(lái)的非常輕量級(jí)的控件,網(wǎng)上很多地方都能看到它的影子。它功能簡(jiǎn)單、用戶(hù)體驗(yàn)不錯(cuò)。對(duì)于一些簡(jiǎn)單的層級(jí)關(guān)系展示比較實(shí)用,但對(duì)于節(jié)點(diǎn)的增刪改實(shí)現(xiàn)起來(lái)就不容易了,如果非要做,可能需要自己去封裝。
全部收起
展開(kāi)一級(jí)
全部展開(kāi)
此控件實(shí)現(xiàn)起來(lái)也非常簡(jiǎn)單,只需要引用jQuery和bootstrap組件即可。
這些代碼都是直接從網(wǎng)上down下來(lái)的,節(jié)點(diǎn)上面的圖標(biāo)可以通過(guò)樣式修改,圖標(biāo)樣式也是基于bootstrap的。如果需要?jiǎng)討B(tài)添加節(jié)點(diǎn),可以自己封裝組件去拼html,實(shí)現(xiàn)起來(lái)應(yīng)該也比較簡(jiǎn)單。由以上可知此組件的輕量級(jí),如果你需要對(duì)節(jié)點(diǎn)作增刪改或者選擇等操作,不要急,下面的控件可能比較適用。
這個(gè)組件是從網(wǎng)上找到的,最初演示,組內(nèi)成員一致覺(jué)得效果很贊。因?yàn)樗ㄟ^(guò)樹(shù)形展示,方便的提供了節(jié)點(diǎn)的增刪改。節(jié)點(diǎn)的伸縮效果也比較好。好了來(lái)看看。
默認(rèn)展開(kāi)一級(jí)
點(diǎn)擊左邊的“+”號(hào)和右邊的節(jié)點(diǎn)都會(huì)去展開(kāi)子節(jié)點(diǎn)
多級(jí)展開(kāi)
在左邊可以編輯節(jié)點(diǎn)名稱(chēng)
按Enter鍵換行新增兄弟節(jié)點(diǎn),同樣刪除換行就可以刪除節(jié)點(diǎn)。
按Enter鍵后再按下Tab鍵可以新增子節(jié)點(diǎn)
很強(qiáng)大有木有。審核元素可知它使用的是html5的svg標(biāo)簽來(lái)實(shí)現(xiàn)的,所以對(duì)瀏覽器有一定的要求。
ztree是一個(gè)傳統(tǒng)的樹(shù)形組件,其強(qiáng)大的功能決定他在樹(shù)形控件界的地位。不管是樹(shù)形展示,還是編輯,又或者是節(jié)點(diǎn)單選和多選,它都提供了強(qiáng)大的功能API。但是,由于它界面效果不太好看,所以很多公司使用它的時(shí)候都會(huì)有一定的猶豫。所幸,至從出了扁平化風(fēng)格后,ztree也做了一定的美化,比如它的Metro風(fēng)格的組件和bootstrap風(fēng)格就非常相像。今天就來(lái)結(jié)合Metro風(fēng)格的ztree來(lái)介紹下這個(gè)組件的一些用法。
此組件可直接通過(guò)Nuget去添加。
節(jié)點(diǎn)全部收起
節(jié)點(diǎn)展開(kāi)
節(jié)點(diǎn)選中,當(dāng)然如果需要可以變成單選。
可以增刪改節(jié)點(diǎn)
點(diǎn)擊文本框出現(xiàn)樹(shù)
3.1 直接在界面顯示文本框
需要引用的js和css文件
Js初始化
var setting = { view: { addHoverDom: addHoverDom, removeHoverDom: removeHoverDom, selectedMulti: false }, check: { enable: true }, data: { simpleData: { enable: true } }, edit: { enable: false }};var zNodes = [ { id: 1, pId: 0, name: "父節(jié)點(diǎn)1", open: true }, { id: 11, pId: 1, name: "父節(jié)點(diǎn)11" }, { id: 111, pId: 11, name: "葉子節(jié)點(diǎn)111" }, { id: 112, pId: 11, name: "葉子節(jié)點(diǎn)112" }, { id: 113, pId: 11, name: "葉子節(jié)點(diǎn)113" }, { id: 114, pId: 11, name: "葉子節(jié)點(diǎn)114" }, { id: 12, pId: 1, name: "父節(jié)點(diǎn)12" }, { id: 121, pId: 12, name: "葉子節(jié)點(diǎn)121" }, { id: 122, pId: 12, name: "葉子節(jié)點(diǎn)122" }, { id: 123, pId: 12, name: "葉子節(jié)點(diǎn)123" }, { id: 124, pId: 12, name: "葉子節(jié)點(diǎn)124" }, { id: 13, pId: 1, name: "父節(jié)點(diǎn)13", isParent: true }, { id: 2, pId: 0, name: "父節(jié)點(diǎn)2" }, { id: 21, pId: 2, name: "父節(jié)點(diǎn)21", open: true }, { id: 211, pId: 21, name: "葉子節(jié)點(diǎn)211" }, { id: 212, pId: 21, name: "葉子節(jié)點(diǎn)212" }, { id: 213, pId: 21, name: "葉子節(jié)點(diǎn)213" }, { id: 214, pId: 21, name: "葉子節(jié)點(diǎn)214" }, { id: 22, pId: 2, name: "父節(jié)點(diǎn)22" }, { id: 221, pId: 22, name: "葉子節(jié)點(diǎn)221" }, { id: 222, pId: 22, name: "葉子節(jié)點(diǎn)222" }, { id: 223, pId: 22, name: "葉子節(jié)點(diǎn)223" }, { id: 224, pId: 22, name: "葉子節(jié)點(diǎn)224" }, { id: 23, pId: 2, name: "父節(jié)點(diǎn)23" }, { id: 231, pId: 23, name: "葉子節(jié)點(diǎn)231" }, { id: 232, pId: 23, name: "葉子節(jié)點(diǎn)232" }, { id: 233, pId: 23, name: "葉子節(jié)點(diǎn)233" }, { id: 234, pId: 23, name: "葉子節(jié)點(diǎn)234" }, { id: 3, pId: 0, name: "父節(jié)點(diǎn)3", isParent: true }];$(document).ready(function () { $.fn.zTree.init($("#treeDemo"), setting, zNodes);});function addHoverDom(treeId, treeNode) { var sObj = $("#" + treeNode.tId + "_span"); if (treeNode.editNameFlag || $("#addBtn_" + treeNode.tId).length > 0) return; var addStr = ""; sObj.after(addStr); var btn = $("#addBtn_" + treeNode.tId); if (btn) btn.bind("click", function () { var zTree = $.fn.zTree.getZTreeObj("treeDemo"); zTree.addNodes(treeNode, { id: (100 + newCount), pId: treeNode.id, name: "new node" + (newCount++) }); return false; });};function removeHoverDom(treeId, treeNode) { $("#addBtn_" + treeNode.tId).unbind().remove();};
3.2 默認(rèn)隱藏,觸發(fā)某個(gè)事件的時(shí)候出現(xiàn)樹(shù)。這種場(chǎng)景在項(xiàng)目里面非常常見(jiàn),一般用于選擇樹(shù)節(jié)點(diǎn)。所以博主把這個(gè)也單獨(dú)拿出來(lái)說(shuō)下吧。
div默認(rèn)是隱藏的。
在js里面初始化樹(shù)以及注冊(cè)showMenu()方法
var setting2 = { check: { enable: true, chkStyle: "radio", radioType: "all" }, view: { dblClickExpand: false }, data: { simpleData: { enable: true } }, callback: { onClick: onClickNode, onCheck: onCheck }};var zNodes = [ { id: 1, pId: 0, name: "父節(jié)點(diǎn)1", open: true }, { id: 11, pId: 1, name: "父節(jié)點(diǎn)11" }, { id: 111, pId: 11, name: "葉子節(jié)點(diǎn)111" }, { id: 112, pId: 11, name: "葉子節(jié)點(diǎn)112" }, { id: 113, pId: 11, name: "葉子節(jié)點(diǎn)113" }, { id: 114, pId: 11, name: "葉子節(jié)點(diǎn)114" }, { id: 12, pId: 1, name: "父節(jié)點(diǎn)12" }, { id: 121, pId: 12, name: "葉子節(jié)點(diǎn)121" }, { id: 122, pId: 12, name: "葉子節(jié)點(diǎn)122" }, { id: 123, pId: 12, name: "葉子節(jié)點(diǎn)123" }, { id: 124, pId: 12, name: "葉子節(jié)點(diǎn)124" }, { id: 13, pId: 1, name: "父節(jié)點(diǎn)13", isParent: true }, { id: 2, pId: 0, name: "父節(jié)點(diǎn)2" }, { id: 21, pId: 2, name: "父節(jié)點(diǎn)21", open: true }, { id: 211, pId: 21, name: "葉子節(jié)點(diǎn)211" }, { id: 212, pId: 21, name: "葉子節(jié)點(diǎn)212" }, { id: 213, pId: 21, name: "葉子節(jié)點(diǎn)213" }, { id: 214, pId: 21, name: "葉子節(jié)點(diǎn)214" }, { id: 22, pId: 2, name: "父節(jié)點(diǎn)22" }, { id: 221, pId: 22, name: "葉子節(jié)點(diǎn)221" }, { id: 222, pId: 22, name: "葉子節(jié)點(diǎn)222" }, { id: 223, pId: 22, name: "葉子節(jié)點(diǎn)223" }, { id: 224, pId: 22, name: "葉子節(jié)點(diǎn)224" }, { id: 23, pId: 2, name: "父節(jié)點(diǎn)23" }, { id: 231, pId: 23, name: "葉子節(jié)點(diǎn)231" }, { id: 232, pId: 23, name: "葉子節(jié)點(diǎn)232" }, { id: 233, pId: 23, name: "葉子節(jié)點(diǎn)233" }, { id: 234, pId: 23, name: "葉子節(jié)點(diǎn)234" }, { id: 3, pId: 0, name: "父節(jié)點(diǎn)3", isParent: true }];//初始化$(document).ready(function () { $.fn.zTree.init($("#treeDemo2"), setting2, zNodes);});//顯示菜單function showMenu() { $("#menuContent2").css({ left: "15px", top: "34px" }).slideDown("fast"); $("body").bind("mousedown", onBodyDown);}//隱藏菜單function hideMenu() { $("#menuContent2").fadeOut("fast"); $("body").unbind("mousedown", onBodyDown);}function onBodyDown(event) { if (!(event.target.id == "menuBtn" || event.target.id == "menuContent2" || event.target.id == "txt_ztree" || $(event.target).parents("#menuContent2").length > 0)) { hideMenu(); }}//節(jié)點(diǎn)點(diǎn)擊事件function onClickNode(e, treeId, treeNode) { var zTree = $.fn.zTree.getZTreeObj("treeDemo"); zTree.checkNode(treeNode, !treeNode.checked, null, true); return false;}//節(jié)點(diǎn)選擇事件function onCheck(e, treeId, treeNode) { var zTree = $.fn.zTree.getZTreeObj("treeDemo"), nodes = zTree.getCheckedNodes(true), v = ""; var parentid = ""; var parentlevel = ""; for (var i = 0, l = nodes.length; i < l; i++) { v += nodes[i].name + ","; parentid += nodes[i].id + ","; parentlevel += nodes[i].menu_level + ","; } if (v.length > 0) { v = v.substring(0, v.length - 1); parentid = parentid.substring(0, parentid.length - 1); parentlevel = parentlevel.substring(0, parentlevel.length - 1); } else { return; } hideMenu();}
由于以上都是靜態(tài)數(shù)據(jù),如果需要從后臺(tái)取數(shù)據(jù)動(dòng)態(tài)加載樹(shù)節(jié)點(diǎn),可以去后臺(tái)構(gòu)造zNodes這種結(jié)構(gòu)的數(shù)組即可。
以上三種樹(shù)形組件,各有千秋,可以根據(jù)需求選用不同的組件。還是那句話(huà),沒(méi)有最好,只有最合適,如果園友們有什么更好用的樹(shù)形組件,不妨推薦下,不勝感激。之前那篇被指有問(wèn)題,在此重新發(fā)下。如果覺(jué)得本文對(duì)你有幫助,請(qǐng)幫忙 推薦 吧,博主會(huì)繼續(xù)努力。
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