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var num = -1;
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var tree = [];
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//获取目录树数据
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export function getTreeData(result) {
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tree = [];
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num = -1
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var val = JSON.parse(JSON.stringify(result));
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//获取一级菜单
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var fdata = getFatherData(val);
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//获取一级菜单下所有子级菜单
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var cdata = getChildData(val, fdata);
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for (var i in fdata) {
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tree.push(fdata[i])
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}
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for (var i in cdata) {
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tree.push(cdata[i])
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}
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var tree_Data = [];
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for (var i in cdata) {
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for (var j in val) {
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if (val[j].bak == cdata[i].bak) {
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num++;
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val[j].label = val[j].tabDesc;
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val[j].pid = cdata[i].id;
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val[j].id = num;
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var valData = tree_Data.filter(rs => {
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if (rs.label == val[j].label && rs.bak == val[j].bak) {
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return rs
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}
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})
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if (valData.length == 0) {
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tree_Data.push(val[j])
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}
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}
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}
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}
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for (var i in tree_Data) {
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tree.push(tree_Data[i])
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}
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var tree_data = setTreeData(tree);
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|
return tree_data
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|
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}
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//生成递归数据
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function setTreeData(source) {
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let cloneData = JSON.parse(JSON.stringify(source));// 对源数据深度克隆
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return cloneData.filter((father) => {
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// 循环所有项
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let branchArr = cloneData.filter((child) => father.id === child.pid); // 对比ID，分别上下级菜单，并返回数据
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branchArr.length > 0 ? (father.children = branchArr) : ''; // 给父级添加一个children属性，并赋值
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// 属于同一对象问题，例如：令 a=b、c=1 ，然后再令 b.c=c ， 那么 a.c=b.c=c=1 ；同理，后续令 c.d=2 ,那么 a.c.d 也是=2；
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// 由此循环多次后，就能形成相应的树形数据结构
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return father.pid == -1; // 返回一级菜单
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});
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}
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//获取一级菜单下子级菜单
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function getChildData(result, res) {
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var std = [];
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for (var i in result) {
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let dir = result[i].bak;
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let c_filter = dataFilter(std, dir);
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if (c_filter.length == 0) {
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std.push(dir);
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}
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}
|
var str = [];
|
|
for (var i in std) {
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let dir = std[i].split('/');
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for (var j = 1; j < dir.length; j++) {
|
if (j == 1) {
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var clabel = dir[0] + "/" + dir[j]
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let f_val = res.filter((rs) => {
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if (rs.label === dir[j - 1]) {
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return rs;
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}
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})
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var c_Data = str.filter(rs => {
|
if (rs.bak == clabel) {
|
return rs;
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}
|
})
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if (f_val.length != 0 && c_Data.length == 0) {
|
num++;
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var val = {
|
id: num,
|
pid: f_val[0].id,
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label: dir[j],
|
bak: clabel
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}
|
str.push(val)
|
}
|
|
} else {
|
var clabel1 = dir[0]
|
for (var k = 1; k < j; k++) {
|
clabel1 = clabel1 + "/" + dir[k];
|
}
|
var f_val = [];
|
for (var w in str) {
|
if (str[w].label == dir[j - 1]) {
|
if (str[w].bak == clabel1) {
|
f_val.push(str[w])
|
}
|
}
|
}
|
var clabel2 = clabel1 + "/" + dir[j]
|
var c_Data = str.filter(rs => {
|
if (rs.bak == clabel2) {
|
return rs;
|
}
|
})
|
if (f_val.length != 0 && c_Data.length == 0) {
|
num++;
|
var val = {
|
id: num,
|
pid: f_val[0].id,
|
label: dir[j],
|
bak: clabel2
|
}
|
str.push(val)
|
}
|
}
|
}
|
}
|
|
return str
|
|
|
}
|
|
//获取一级节点Data
|
function getFatherData(result) {
|
var std = [];
|
var str = [];
|
for (var i in result) {
|
var dir = result[i].bak.split('/');
|
var f_filter = dataFilter(std, dir[0]);
|
if (f_filter.length == 0) {
|
std.push(dir[0])
|
num++
|
str.push({
|
id: num,
|
pid: -1,
|
label: dir[0]
|
})
|
}
|
}
|
return str;
|
}
|
//遍历匹配获取数据
|
function dataFilter(result, bak) {
|
let val = result.filter(res => {
|
if (res == bak) {
|
return res;
|
}
|
})
|
return val;
|
}
|
