一、JQuery樹形控件
Jquery樹形控件是一款基於JQuery+bootstrap、完全通過js和樣式手寫出來的非常輕量級的控件,網上很多地方都能看到它的影子。它功能簡單、用戶體驗不錯。對於一些簡單的層級關係展示比較實用,但對於節點的增刪改實現起來就不容易了,如果非要做,可能需要自己去封裝。
1、一睹初容
全部收起
展開一級
全部展開
2、代碼示例
此控件實現起來也非常簡單,只需要引用jQuery和bootstrap組件即可。
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<link href=
"~/Content/Tree1/css/bootstrap.min.css"
rel=
"stylesheet"
/>
<link href=
"~/Content/Tree1/css/style.css"
rel=
"stylesheet"
/>
<script src=
"~/Scripts/jquery-1.10.2.js"
></script>
<script type=
"text/javascript"
>
$(
function
(){
$(
'.tree li:has(ul)'
).addClass(
'parent_li'
).find(
' > span'
).attr(
'title'
,
'Collapse this branch'
);
$(
'.tree li.parent_li > span'
).on(
'click'
,
function
(e) {
var
children = $(
this
).parent(
'li.parent_li'
).find(
' > ul > li'
);
if
(children.is(
":visible"
)) {
children.hide(
'fast'
);
$(
this
).attr(
'title'
,
'Expand this branch'
).find(
' > i'
).addClass(
'icon-plus-sign'
).removeClass(
'icon-minus-sign'
);
}
else
{
children.show(
'fast'
);
$(
this
).attr(
'title'
,
'Collapse this branch'
).find(
' > i'
).addClass(
'icon-minus-sign'
).removeClass(
'icon-plus-sign'
);
}
e.stopPropagation();
});
});
</script>
|
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<
div
class
=
"tree well"
>
<
ul
>
<
li
>
<
span
><
i
class
=
"icon-folder-open"
></
i
> 頂級節點1</
span
> <
a
href
=
""
>Goes somewhere</
a
>
<
ul
>
<
li
>
<
span
><
i
class
=
"icon-minus-sign"
></
i
> 一級節點1</
span
> <
a
href
=
""
></
a
>
<
ul
>
<
li
>
<
span
><
i
class
=
"icon-leaf"
></
i
> 二級節點1_1</
span
> <
a
href
=
""
></
a
>
</
li
>
</
ul
>
</
li
>
<
li
>
<
span
><
i
class
=
"icon-minus-sign"
></
i
> 一級節點2</
span
> <
a
href
=
""
></
a
>
<
ul
>
<
li
>
<
span
><
i
class
=
"icon-leaf"
></
i
>二級節點2_1</
span
> <
a
href
=
""
></
a
>
</
li
>
<
li
>
<
span
><
i
class
=
"icon-minus-sign"
></
i
> 二級節點2_2</
span
> <
a
href
=
""
></
a
>
<
ul
>
<
li
>
<
span
><
i
class
=
"icon-minus-sign"
></
i
>三級節點2_1</
span
> <
a
href
=
""
></
a
>
<
ul
>
<
li
>
<
span
><
i
class
=
"icon-leaf"
></
i
>四級節點2_1</
span
> <
a
href
=
""
></
a
>
</
li
>
<
li
>
<
span
><
i
class
=
"icon-leaf"
></
i
> 四級節點2_2</
span
> <
a
href
=
""
></
a
>
</
li
>
</
ul
>
</
li
>
<
li
>
<
span
><
i
class
=
"icon-leaf"
></
i
>三級節點2_2</
span
> <
a
href
=
""
></
a
>
</
li
>
<
li
>
<
span
><
i
class
=
"icon-leaf"
></
i
> 三級節點2_3</
span
> <
a
href
=
""
></
a
>
</
li
>
</
ul
>
</
li
>
<
li
>
<
span
><
i
class
=
"icon-leaf"
></
i
>二級節點2_3</
span
> <
a
href
=
""
></
a
>
</
li
>
</
ul
>
</
li
>
</
ul
>
</
li
>
<
li
>
<
span
><
i
class
=
"icon-folder-open"
></
i
> 頂級節點2</
span
> <
a
href
=
""
></
a
>
<
ul
>
<
li
>
<
span
><
i
class
=
"icon-leaf"
></
i
> 一級節點2_1</
span
> <
a
href
=
""
></
a
>
</
li
>
</
ul
>
</
li
>
</
ul
>
</
div
>
|
這些代碼都是直接從網上down下來的,節點上面的圖標可以通過樣式修改,圖標樣式也是基於bootstrap的。如果需要動態添加節點,可以自己封裝組件去拼html,實現起來應該也比較簡單。由以上可知此組件的輕量級,如果你需要對節點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。
二、文件樹編輯插件Treed
這個組件是從網上找到的,最初演示,組內成員一致覺得效果很贊。因爲它通過樹形展示,方便的提供了節點的增刪改。節點的伸縮效果也比較好。好了來看看。
1、初見Treed
默認展開一級
點擊左邊的「+」號和右邊的節點都會去展開子節點
多級展開
在左邊可以編輯節點名稱
按Enter鍵換行新增兄弟節點,同樣刪除換行就可以刪除節點。
按Enter鍵後再按下Tab鍵可以新增子節點
很強大有木有。審覈元素可知它使用的是html5的svg標籤來實現的,所以對瀏覽器有一定的要求。
三、通用樹形控件——zTree
ztree是一個傳統的樹形組件,其強大的功能決定他在樹形控件界的地位。不管是樹形展示,還是編輯,又或者是節點單選和多選,它都提供了強大的功能API。但是,由於它界面效果不太好看,所以很多公司使用它的時候都會有一定的猶豫。所幸,至從出了扁平化風格後,ztree也做了一定的美化,比如它的Metro風格的組件和bootstrap風格就非常相像。今天就來結合Metro風格的ztree來介紹下這個組件的一些用法。
1、組件使用
此組件可直接通過Nuget去添加。
2、組件效果
節點全部收起
節點展開
節點選中,當然如果需要可以變成單選。
可以增刪改節點
點擊文本框出現樹
3、代碼示例
3.1 直接在界面顯示文本框
需要引用的js和css文件
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<script src=
"~/Scripts/jquery-1.10.2.js"
></script>
<script src=
"~/Content/bootstrap/js/bootstrap.js"
></script>
<link href=
"~/Content/bootstrap/css/bootstrap.css"
rel=
"stylesheet"
/>
<script src=
"~/Scripts/jquery.ztree.all-3.5.js"
></script>
<link href=
"~/Content/zTree.theme.metro.css"
rel=
"stylesheet"
/>
|
頁面html
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<
div
id
=
"menuContent"
class
=
"menuContent"
style
=
"width:95%;border:1px solid rgb(170,170,170);z-index:10;"
>
<
ul
id
=
"treeDemo"
class
=
"ztree"
style
=
"margin-top:0; width:100%; height:auto;"
></
ul
>
</
div
>
|
Js初始化
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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:
"父節點1"
, open:
true
},
{ id: 11, pId: 1, name:
"父節點11"
},
{ id: 111, pId: 11, name:
"葉子節點111"
},
{ id: 112, pId: 11, name:
"葉子節點112"
},
{ id: 113, pId: 11, name:
"葉子節點113"
},
{ id: 114, pId: 11, name:
"葉子節點114"
},
{ id: 12, pId: 1, name:
"父節點12"
},
{ id: 121, pId: 12, name:
"葉子節點121"
},
{ id: 122, pId: 12, name:
"葉子節點122"
},
{ id: 123, pId: 12, name:
"葉子節點123"
},
{ id: 124, pId: 12, name:
"葉子節點124"
},
{ id: 13, pId: 1, name:
"父節點13"
, isParent:
true
},
{ id: 2, pId: 0, name:
"父節點2"
},
{ id: 21, pId: 2, name:
"父節點21"
, open:
true
},
{ id: 211, pId: 21, name:
"葉子節點211"
},
{ id: 212, pId: 21, name:
"葉子節點212"
},
{ id: 213, pId: 21, name:
"葉子節點213"
},
{ id: 214, pId: 21, name:
"葉子節點214"
},
{ id: 22, pId: 2, name:
"父節點22"
},
{ id: 221, pId: 22, name:
"葉子節點221"
},
{ id: 222, pId: 22, name:
"葉子節點222"
},
{ id: 223, pId: 22, name:
"葉子節點223"
},
{ id: 224, pId: 22, name:
"葉子節點224"
},
{ id: 23, pId: 2, name:
"父節點23"
},
{ id: 231, pId: 23, name:
"葉子節點231"
},
{ id: 232, pId: 23, name:
"葉子節點232"
},
{ id: 233, pId: 23, name:
"葉子節點233"
},
{ id: 234, pId: 23, name:
"葉子節點234"
},
{ id: 3, pId: 0, name:
"父節點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 =
"<span class='button add' id='addBtn_"
+ treeNode.tId
+
"' title='add node' onfocus='this.blur();'></span>"
;
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 默認隱藏,觸發某個事件的時候出現樹。這種場景在項目裏面非常常見,一般用於選擇樹節點。所以博主把這個也單獨拿出來說下吧。
div默認是隱藏的。
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<
input
type
=
"text"
class
=
"form-control"
id
=
"txt_ztree"
placeholder
=
"點擊文本框出現ztree"
onclick
=
"showMenu()"
/>
<
div
id
=
"menuContent2"
class
=
"menuContent"
style
=
"display:none;position: absolute;width:95%;border:1px solid rgb(170,170,170);z-index:10;"
>
<
ul
id
=
"treeDemo2"
class
=
"ztree"
style
=
"margin-top:0; width:160px; height:auto;"
></
ul
>
</
div
>
|
在js裏面初始化樹以及註冊showMenu()方法
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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:
"父節點1"
, open:
true
},
{ id: 11, pId: 1, name:
"父節點11"
},
{ id: 111, pId: 11, name:
"葉子節點111"
},
{ id: 112, pId: 11, name:
"葉子節點112"
},
{ id: 113, pId: 11, name:
"葉子節點113"
},
{ id: 114, pId: 11, name:
"葉子節點114"
},
{ id: 12, pId: 1, name:
"父節點12"
},
{ id: 121, pId: 12, name:
"葉子節點121"
},
{ id: 122, pId: 12, name:
"葉子節點122"
},
{ id: 123, pId: 12, name:
"葉子節點123"
},
{ id: 124, pId: 12, name:
"葉子節點124"
},
{ id: 13, pId: 1, name:
"父節點13"
, isParent:
true
},
{ id: 2, pId: 0, name:
"父節點2"
},
{ id: 21, pId: 2, name:
"父節點21"
, open:
true
},
{ id: 211, pId: 21, name:
"葉子節點211"
},
{ id: 212, pId: 21, name:
"葉子節點212"
},
{ id: 213, pId: 21, name:
"葉子節點213"
},
{ id: 214, pId: 21, name:
"葉子節點214"
},
{ id: 22, pId: 2, name:
"父節點22"
},
{ id: 221, pId: 22, name:
"葉子節點221"
},
{ id: 222, pId: 22, name:
"葉子節點222"
},
{ id: 223, pId: 22, name:
"葉子節點223"
},
{ id: 224, pId: 22, name:
"葉子節點224"
},
{ id: 23, pId: 2, name:
"父節點23"
},
{ id: 231, pId: 23, name:
"葉子節點231"
},
|