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JS infinitus tree menu, general examples of json format and array format

Source: Internet
Author: User
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Modified the data format. json and array or hybrid data are both common and do not use specific keys.
Copy codeThe Code is as follows:
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Script type = "text/javascript" src = "http://d1.lashouimg.com/static/js/release/jquery-1.4.2.min.js"> </script>
<Title> js tree tree-like menu, json format, and common array format </title>
<Style type = "text/css">
. MenuTree
{
Margin-left:-30px;
}
. MenuTree div
{
Padding-left: 30px;
}
. MenuTree div ul
{
Overflow: hidden;
Display: none;
Height: auto;
}
. MenuTree span
{
Display: block;
Height: 25px;
Line-height: 25px;
Padding-left: 5px;
Margin: 1px 0;
Cursor: pointer;
Border-bottom: 1px solid # CCC;
}
. MenuTree span: hover
{
Background-color: # e6e6e6;
Color: # cf0404;
}
. MenuTree
{
Color: #333;
Text-decoration: none;
}
. MenuTree a: hover
{
Color: # 06F;
}
. Btn
{
Height: 30px;
Margin-top: 10px;
Border-bottom: 1px solid # CCC;
}
</Style>
</Head>
<Body>
<Div class = "btn">
<Input name = "" type = "button" id = "btn_open" value = "Expand All"/>
<Input name = "" type = "button" id = "btn_close" value = ""/>
</Div>
<Div id = "menuTree" class = "menuTree">
</Div>
</Body>
</Html>
<Script type = "text/javascript">
Var json = {"navnums": {"0": "8051", "4": "4969", "8": "206", "5 ": "126", "9": "2174"}, "hotwords": "Gourmet", "mvonline": [9, 8, [9, 8, 7, 6, 5, 4], 6, 5, 4], "district_online": "1", "zone_online": "1", "subway_online": "1", "city_online ": "1 "};
/* Recursively retrieve the stepless tree data and generate the DOM structure */
Var str = "";
Var forTree = function (o ){
Var urlstr = "";
Var keys = new Array ();
For (var key in o ){
Keys. push (key );
}
For (var j = 0; j <keys. length; j ++ ){
K = keys [j];
If (typeof o [k] = "object "){
Urlstr = "<div> <span>" + k + "</span> <ul> ";
} Else {
Urlstr = "<div> <span>" + k + "=" + o [k] + "</span> <ul> ";
}
Str + = urlstr;
Var kcn = 0;
If (typeof o [k] = "object "){
For (var kc in o [k]) {
Kcn ++;
}
}
If (kcn> 0 ){
ForTree (o [k]);
}
Str + = "</ul> </div> ";
}
Return str;
}
/* Add a stepless tree */
Document. getElementById ("menuTree"). innerHTML = forTree (json );
/* Tree menu */
Var menuTree = function (){
// Add [+-] to the element with sub-objects
$ ("# MenuTree ul"). each (function (index, element ){
Var ulContent = contents (element).html ();
Var spanContent = $ (element). siblings ("span" pai.html ();
If (ulContent ){
$ (Element). siblings ("span" ).html ("[+]" + spanContent)
}
});


$ ("# MenuTree"). find ("div span"). click (function (){
Var ul = $ (this). siblings ("ul ");
Var spanStr = (this).html ();
Var spanContent = spanStr. substr (3, spanStr. length );
If (ul. find ("div" ).html ()! = Null ){
If (ul.css ("display") = "none "){
Ul. show (300 );
Certificate (this).html ("[-]" + spanContent );
} Else {
Ul. hide (300 );
Certificate (this).html ("[+]" + spanContent );
}
}
})
}()

/* Expand */
$ ("# Btn_open"). click (function (){
$ ("# MenuTree ul"). show (300 );
Curzt ("-");
})
/* Contract */
$ ("# Btn_close"). click (function (){
$ ("# MenuTree ul"). hide (300 );
Curzt ("+ ");
})
Function curzt (v ){
$ ("# MenuTree span"). each (function (index, element ){
Var ul = $ (this). siblings ("ul ");
Var spanStr = (this).html ();
Var spanContent = spanStr. substr (3, spanStr. length );
If (ul. find ("div" ).html ()! = Null ){
Certificate (this).html ("[" + v + "]" + spanContent );
}
});
}
</Script>

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Related Keywords:
json format example array general number format examples of menu layouts js json to array json to array js js time format date js format
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