安装
composer require "xiucaiwu/tp5tool:dev-master"
删除
composer remove xiucaiwu/tp5tool
更新
composer update xiucaiwu/tp5tool
使用
//引入类库
use PHPTool\SelectTree;
use PHPTool\NodeTree;
//SelectTree 使用案例
public function stdemo()
{
$arr = array(
1 => array('id' =>'1','parentid' =>0,'name' =>'一级栏目一'),
2 => array('id' =>'2','parentid' =>0,'name' =>'一级栏目二'),
3 => array('id' =>'3','parentid' =>1,'name' =>'二级栏目一'),
4 => array('id' =>'4','parentid' =>1,'name' =>'二级栏目二'),
5 => array('id' =>'5','parentid' =>2,'name' =>'二级栏目三'),
6 => array('id' =>'6','parentid' =>3,'name' =>'三级栏目一'),
7 => array('id' =>'7','parentid' =>3,'name' =>'三级栏目二')
);
$st = new SelectTree($arr);
dump($st->getArray());
// 下拉菜单选项使用 get_tree方法
$html='<select name="tree">';
$str = "<option value=\$id \$selected>\$spacer\$name</option>"; // $name是数组中存在的key
$html .= $st->get_tree(0, $str, -1).'</select>';
echo $html;
}
// 输出
array(7) {
[1] => array(3) {
["id"] => string(1) "1"
["parentid"] => int(0)
["name"] => string(16) " 一级栏目一"
}
[3] => array(3) {
["id"] => string(1) "3"
["parentid"] => int(1)
["name"] => string(46) " ├─ 二级栏目一"
}
[6] => array(3) {
["id"] => string(1) "6"
["parentid"] => int(3)
["name"] => string(73) " │ ├─ 三级栏目一"
}
[7] => array(3) {
["id"] => string(1) "7"
["parentid"] => int(3)
["name"] => string(74) " │ └─ 三级栏目二"
}
[4] => array(3) {
["id"] => string(1) "4"
["parentid"] => int(1)
["name"] => string(47) " └─ 二级栏目二"
}
[2] => array(3) {
["id"] => string(1) "2"
["parentid"] => int(0)
["name"] => string(16) " 一级栏目二"
}
[5] => array(3) {
["id"] => string(1) "5"
["parentid"] => int(2)
["name"] => string(47) " └─ 二级栏目三"
}
}
<select name="tree">
<option value=1 >一级栏目一</option>
<option value=3 > ├─二级栏目一</option>
<option value=6 > │ ├─三级栏目一</option>
<option value=7 > │ └─三级栏目二</option>
<option value=4 > └─二级栏目二</option>
<option value=2 >一级栏目二</option>
<option value=5 > └─二级栏目三</option>
</select>
// NodeTree使用案例
public function ntdemo() {
//原始数据, 从数据库读出
$data = array(
array(
'id'=>1,
'name'=>'book',
'parent_id'=>0
),
array(
'id'=>2,
'name'=>'music',
'parent_id'=>0
),
array(
'id'=>3,
'name'=>'book1',
'parent_id'=>1
),
array(
'id'=>4,
'name'=>'book2',
'parent_id'=>3
)
);
$r = NodeTree::makeTree($data);
echo json_encode($r);
}
// 输出
[{
"id": 1,
"name": "book",
"parent_id": 0,
"expanded": false,
"children": [{
"id": 3,
"name": "book1",
"parent_id": 1,
"expanded": false,
"children": [{
"id": 4,
"name": "book2",
"parent_id": 3,
"leaf": true
}]
}]
}, {
"id": 2,
"name": "music",
"parent_id": 0,
"leaf": true
}]欢迎大家给star,本人组建了一个技术交流群14977386欢迎共同探讨!~
thinkingbullet
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