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orange-admin/orange-demo-multi-web/src/utils/index.js
2021-03-31 09:43:36 +08:00

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import JSEncrypt from 'jsencrypt';
// eslint-disable-next-line no-unused-vars
// import Cookies from 'js-cookie';
/**
* 列表数据转换树形数据
* @param {Array} data 要转换的列表
* @param {String} id 主键字段字段名
* @param {String} pid 父字段字段名
* @returns {Array} 转换后的树数据
*/
export function treeDataTranslate (data, id = 'id', pid = 'parentId') {
var res = []
var temp = {}
for (var i = 0; i < data.length; i++) {
temp[data[i][id]] = data[i]
}
for (var k = 0; k < data.length; k++) {
if (temp[data[k][pid]] && data[k][id] !== data[k][pid]) {
if (!temp[data[k][pid]]['children']) {
temp[data[k][pid]]['children'] = []
}
if (!temp[data[k][pid]]['_level']) {
temp[data[k][pid]]['_level'] = 1
}
data[k]['_level'] = temp[data[k][pid]]._level + 1
data[k]['_parent'] = data[k][pid]
temp[data[k][pid]]['children'].push(data[k])
} else {
res.push(data[k])
}
}
return res
}
/**
* 获取字符串字节长度中文算2个字符
* @param {String} str 要获取长度的字符串
*/
export function getStringLength (str) {
return str.replace(/[\u4e00-\u9fa5\uff00-\uffff]/g, '**').length
}
/**
* 获取uuid
*/
export function getUUID () {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
return (c === 'x' ? (Math.random() * 16 | 0) : ('r&0x3' | '0x8')).toString(16)
});
}
/**
* 大小驼峰变换函数
* @param name 要转换的字符串
* @param type 转换的类型0转换成小驼峰1转换成大驼峰
*/
export function nameTranslate (name, type) {
name = name.toLowerCase();
let nameArray = name.split('_');
nameArray.forEach((item, index) => {
if (index === 0) {
name = type === 1 ? item.slice(0, 1).toUpperCase() + item.slice(1) : item;
} else {
name = name + item.slice(0, 1).toUpperCase() + item.slice(1);
}
});
nameArray = name.split('-');
nameArray.forEach((item, index) => {
if (index === 0) {
name = type === 1 ? item.slice(0, 1).toUpperCase() + item.slice(1) : item;
} else {
name = name + item.slice(0, 1).toUpperCase() + item.slice(1);
}
});
return name;
}
/**
* 通过id从树中获取指定的节点
* @param {Object} node 根节点
* @param {String|Nubmer} id 键值
* @param {Array} list 保存查询路径
* @param {String} idKey 主键字段名
* @param {String} childKey 子节点字段名
*/
function findNode (node, id, list, idKey = 'id', childKey = 'children') {
if (Array.isArray(list)) list.push(node[idKey]);
if (node[idKey] === id) {
return node;
}
if (node[childKey] != null && Array.isArray(node[childKey])) {
for (let i = 0; i < node[childKey].length; i++) {
let tempNode = findNode(node[childKey][i], id, list, idKey, childKey);
if (tempNode) return tempNode;
}
}
if (Array.isArray(list)) list.pop();
}
/**
* 通过id返回从根节点到指定节点的路径
* @param {Array} treeRoot 树根节点数组
* @param {*} id 要查询的节点的id
* @param {*} idKey 主键字段名
* @param {*} childKey 子节点字段名
*/
export function findTreeNodePath (treeRoot, id, idKey = 'id', childKey = 'children') {
let tempList = [];
for (let i = 0; i < treeRoot.length; i++) {
if (findNode(treeRoot[i], id, tempList, idKey, childKey)) {
return tempList;
}
}
return [];
}
/**
* 通过id从树中查找节点
* @param {Array} treeRoot 根节点数组
* @param {*} id 要查找的节点的id
* @param {*} idKey 主键字段名
* @param {*} childKey 子节点字段名
*/
export function findTreeNode (treeRoot, id, idKey = 'id', childKey = 'children') {
for (let i = 0; i < treeRoot.length; i++) {
let tempNode = findNode(treeRoot[i], id, undefined, idKey, childKey);
if (tempNode) return tempNode;
}
}
/**
* 把Object转换成query字符串
* @param {Object} params 要转换的Object
*/
export function objectToQueryString (params) {
if (params == null) {
return null;
} else {
return Object.keys(params).map((key) => {
return `${key}=${params[key]}`;
}).join('&');
}
}
/**
* 从数组中查找某一项
* @param {Array} list 要查找的数组
* @param {String} id 要查找的节点id
* @param {String} idKey 主键字段名如果为null则直接比较
* @param {Boolean} removeItem 是否从数组中移除查找到的节点
* @returns {Object} 找到返回节点没找到返回undefined
*/
export function findItemFromList (list, id, idKey, removeItem = false) {
if (Array.isArray(list) && list.length > 0 && id != null) {
for (let i = 0; i < list.length; i++) {
let item = list[i];
if (((idKey == null || idKey === '') && item === id) || (idKey != null && item[idKey] === id)) {
if (removeItem) list.splice(i, 1);
return item;
}
}
}
return null;
}
/**
* 将数据保存到sessionStorage
* @param {*} key sessionStorage的键值
* @param {*} value 要保存的数据
*/
export function setObjectToSessionStorage (key, value) {
if (key == null || key === '') return false;
if (value == null) {
window.sessionStorage.removeItem(key);
return true;
} else {
let jsonObj = {
data: value
}
window.sessionStorage.setItem(key, JSON.stringify(jsonObj));
return true;
}
}
/**
* 从sessionStorage里面获取数据
* @param {String} key 键值
* @param {*} defaultValue 默认值
*/
export function getObjectFromSessionStorage (key, defaultValue) {
let jsonObj = null;
try {
jsonObj = JSON.parse(window.sessionStorage.getItem(key));
jsonObj = (jsonObj || {}).data;
} catch (e) {
jsonObj = defaultValue;
};
return (jsonObj != null) ? jsonObj : defaultValue;
}
/**
* 判读字符串是否一个数字
* @param {String} str 要判断的字符串
*/
export function isNumber (str) {
let num = Number.parseFloat(str);
if (Number.isNaN(num)) return false;
return num.toString() === str;
}
/**
* 生成随机数
* @param {Integer} min 随机数最小值
* @param {Integer} max 随机数最大值
*/
export function random (min, max) {
let base = Math.random();
return min + base * (max - min);
}
/**
* 加密
* @param {*} value 要加密的字符串
*/
const publicKey = 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpC4QMnbTrQOFriJJCCFFWhlruBJThAEBfRk7pRx1jsAhyNVL3CqJb0tRvpnbCnJhrRAEPdgFHXv5A0RrvFp+5Cw7QoFH6O9rKB8+0H7+aVQeKITMUHf/XMXioymw6Iq4QfWd8RhdtM1KM6eGTy8aU7SO2s69Mc1LXefg/x3yw6wIDAQAB';
export function encrypt (value) {
if (value == null || value === '') return null;
let encrypt = new JSEncrypt();
encrypt.setPublicKey(publicKey);
return encodeURIComponent(encrypt.encrypt(value));
}
export function getToken () {
return sessionStorage.getItem('token');
// return Cookies.get('token');
}
export function setToken (token) {
if (token == null || token === '') {
sessionStorage.removeItem('token');
// Cookies.remove('token');
} else {
sessionStorage.setItem('token', token);
// Cookies.set('token', token);
}
}
export function traversalTree (treeNode, callback, childrenKey = 'children') {
if (treeNode != null && Array.isArray(treeNode[childrenKey]) && treeNode[childrenKey].length > 0) {
treeNode[childrenKey].forEach(childNode => {
traversalTree(childNode, callback, childrenKey);
});
}
return typeof callback === 'function' ? callback(treeNode) : undefined;
}
export class TreeTableImpl {
constructor (dataList, options) {
this.options = {
idKey: options ? options.idKey : 'id',
nameKey: options ? options.nameKey : 'name',
parentIdKey: options ? options.parentIdKey : 'parentId',
isLefeCallback: options ? options.isLefeCallback : undefined,
checkStrictly: options ? options.checkStrictly : false
}
this.dataList = Array.isArray(dataList) ? dataList : [];
this.dataMap = new Map();
this.dataList.forEach(item => {
this.dataMap.set(item[this.options.idKey], item);
});
// 表格选中行
this.checkedRows = undefined;
this.onCheckedRowChange = this.onCheckedRowChange.bind(this);
}
/**
* 过滤表格数据
* @param {string} filterString 过滤条件字符串
* @param {boolean} onlyChecked 是否只显示选中节点
* @returns {array} 过滤后的表格数据列表
*/
getFilterTableData (filterString, onlyChecked = false) {
let { idKey, nameKey, parentIdKey, isLefeCallback } = this.options;
let tempMap = new Map();
let parentIdList = [];
this.dataList.forEach(item => {
if ((filterString == null || filterString === '' || item[nameKey].indexOf(filterString) !== -1) &&
(!onlyChecked || (this.checkedRows != null && this.checkedRows.get(item[idKey])))) {
if (isLefeCallback == null || !isLefeCallback(item)) {
parentIdList.push(item[idKey]);
}
// 将命中节点以及它的父节点都设置为命中
let tempItem = item;
do {
tempMap.set(tempItem[idKey], tempItem);
tempItem = this.dataMap.get(tempItem[parentIdKey]);
} while (tempItem != null)
}
});
return this.dataList.map(item => {
let disabled = true;
if (parentIdList.indexOf(item[parentIdKey]) !== -1 || tempMap.get(item[idKey]) != null) {
if (parentIdList.indexOf(item[parentIdKey]) !== -1 && (isLefeCallback == null || !isLefeCallback(item))) {
parentIdList.push(item[idKey]);
}
disabled = false;
}
return {
...item,
__disabled: disabled
}
});
}
/**
* 获取表格树数据,计算选中状态
* @param {array} dataList 表格列表数据
*/
getTableTreeData (dataList, checkedRows) {
let { idKey, parentIdKey, checkStrictly } = this.options;
let treeData = [];
function calcPermCodeTreeAttribute (treeNode, checkedRows) {
let checkedItem = checkedRows == null ? null : checkedRows.get(treeNode[idKey]);
treeNode.__checked = checkedItem != null;
// 是否所有子权限字都被选中
let allChildChecked = true;
// 是否任意子权限字被选中
let hasChildChecked = false;
// 如果存在子权限字
if (Array.isArray(treeNode.children) && treeNode.children.length > 0) {
treeNode.children.forEach(item => {
let isChecked = calcPermCodeTreeAttribute(item, checkedRows);
hasChildChecked = hasChildChecked || isChecked;
allChildChecked = allChildChecked && isChecked;
});
} else {
allChildChecked = false;
}
treeNode.__indeterminate = !checkStrictly && hasChildChecked && !allChildChecked;
treeNode.__checked = treeNode.__checked || (allChildChecked && !checkStrictly);
return treeNode.__checked || treeNode.__indeterminate;
}
if (Array.isArray(dataList)) {
treeData = treeDataTranslate(dataList.map(item => {
return {...item};
}), idKey, parentIdKey);
treeData.forEach(item => {
calcPermCodeTreeAttribute(item, checkedRows);
});
}
console.log(treeData, checkedRows);
return treeData;
}
/**
* 树表格行选中状态改变
* @param {object} row 选中状态改变行数据
*/
onCheckedRowChange (row) {
if (this.checkedRows == null) {
this.checkedRows = new Map();
} else {
let temp = new Map();
this.checkedRows.forEach((item, key) => {
temp.set(key, item);
});
this.checkedRows = temp;
}
let { idKey } = this.options;
if (!row.__checked || row.__indeterminate) {
// 节点之前未被选中或者之前为半选状态,修改当前节点以及子节点为选中状态
this.checkedRows.set(row[idKey], row);
if (Array.isArray(row.children) && !this.options.checkStrictly) {
row.children.forEach(childNode => {
traversalTree(childNode, (node) => {
this.checkedRows.set(node[idKey], node);
});
});
}
} else {
// 节点之前为选中状态,修改节点以及子节点为未选中状态
this.checkedRows.delete(row[idKey]);
if (Array.isArray(row.children) && !this.options.checkStrictly) {
row.children.forEach(childNode => {
traversalTree(childNode, (node) => {
this.checkedRows.delete(node[idKey]);
});
});
}
}
}
/**
* 获取所有选中的权限字节点
* @param {array} treeData 树数据
* @param {boolean} includeHalfChecked 是否包含半选节点默认为false
* @returns {array} 选中节点列表
*/
getCheckedRows (treeData, includeHalfChecked = false) {
let checkedRows = [];
function traversalCallback (node) {
if (node == null) return;
if (node.__checked || (includeHalfChecked && node.__indeterminate)) {
checkedRows.push(node);
}
}
if (Array.isArray(treeData) && treeData.length > 0) {
treeData.forEach(permCode => {
traversalTree(permCode, traversalCallback, 'children');
});
}
return checkedRows;
}
/**
* 设置选中节点
* @param {array} checkedRows
*/
setCheckedRows (checkedRows) {
this.checkedRows = new Map();
if (Array.isArray(checkedRows)) {
checkedRows.forEach(item => {
let node = this.dataMap.get(item[this.options.idKey]);
if (node != null) {
this.checkedRows.set(node[this.options.idKey], node);
}
});
}
}
/**
* 根据id获取表格行
* @param {*} id
*/
getTableRow (id) {
return this.dataMap.get(id);
}
}