let base = {
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addDays(date, days) {
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//给指定日期增加天数
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if (!days) {
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return date;
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}
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let dateArr = date.split(' ');
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date = new Date(new Date(date).setDate(new Date(date).getDate() + days));
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var year = date.getFullYear();
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var month = date.getMonth() + 1;
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if (month < 10) {
|
month = '0' + month;
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}
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var day = date.getDate();
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if (day < 10) {
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day = '0' + day;
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}
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date = year + '-' + month + '-' + day;
|
if (dateArr.length == 1) {
|
return date;
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}
|
return date + ' ' + dateArr[1];
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},
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//获取当前时间，time是否带时分秒
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getDate(time) {
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let date = new Date();
|
let year = date.getFullYear();
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let month = date.getMonth() + 1;
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let day = date.getDate();
|
|
let datetime =
|
year +
|
'-' +
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(month < 10 ? '0' + month : month) +
|
'-' +
|
(day < 10 ? '0' + day : day);
|
|
if (!time) {
|
return datetime;
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}
|
|
let hour = date.getHours();
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let minutes = date.getMinutes();
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let second = date.getSeconds();
|
|
return (
|
datetime +
|
'' +
|
' ' +
|
(hour < 10 ? '0' + hour : hour) +
|
':' +
|
(minutes < 10 ? '0' + minutes : minutes) +
|
':' +
|
(second < 10 ? '0' + second : second)
|
);
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},
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isPhone(val) {
|
return /^[1][3,4,5,6,7,8,9][0-9]{9}$/.test(val);
|
},
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isDecimal(val) {
|
return /(^[\-0-9][0-9]*(.[0-9]+)?)$/.test(val);
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},
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isNumber(val) {
|
return /(^[\-0-9][0-9]*([0-9]+)?)$/.test(val);
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},
|
isMail(val) {
|
return /^(\w-*\.*)+@(\w-?)+(\.\w{2,})+$/.test(val);
|
},
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isUrl(url) {
|
return this.checkUrl(url);
|
},
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checkUrl(url) {
|
// url= 协议://(ftp的登录信息)[IP|域名](:端口号)(/或?请求参数)
|
var strRegex =
|
'^((https|http|ftp)://)?' + // (https或http或ftp):// 可有可无
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"(([\\w_!~*'()\\.&=+$%-]+: )?[\\w_!~*'()\\.&=+$%-]+@)?" + // ftp的user@ 可有可无
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'(([0-9]{1,3}\\.){3}[0-9]{1,3}' + // IP形式的URL- 3位数字.3位数字.3位数字.3位数字
|
'|' + // 允许IP和DOMAIN（域名）
|
'(localhost)|' + // 匹配localhost
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"([\\w_!~*'()-]+\\.)*" + // 域名- 至少一个[英文或数字_!~*\'()-]加上.
|
'\\w+\\.' + // 一级域名 -英文或数字 加上.
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'[a-zA-Z]{1,6})' + // 顶级域名- 1-6位英文
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'(:[0-9]{1,5})?' + // 端口- :80 ,1-5位数字
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'((/?)|' + // url无参数结尾 - 斜杆或这没有
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"(/[\\w_!~*'()\\.;?:@&=+$,%#-]+)+/?)$"; // 请求参数结尾- 英文或数字和[]内的各种字符
|
var re = new RegExp(strRegex, 'i'); // i不区分大小写
|
// 将url做uri转码后再匹配，解除请求参数中的中文和空字符影响
|
if (re.test(encodeURI(url))) {
|
return true;
|
}
|
return false;
|
},
|
matchUrlIp(url, ip) {
|
// url使用是否使用的当前ip
|
if (!url || !ip) {
|
return false;
|
}
|
return url.indexOf(ip.replace('https://', '').replace('http://', '')) >= 0;
|
},
|
getImgSrc(src, httpUrl) {
|
if (this.isUrl(src)) {
|
return src;
|
}
|
if (httpUrl) {
|
return httpUrl + src;
|
}
|
return src;
|
},
|
previewImg(src, httpUrl) {
|
// 图片预览，目前只支持单图片预览
|
if (src && !this.isUrl(src) && httpUrl) {
|
if (
|
src.substr(0, 1) == '/' &&
|
httpUrl.substr(httpUrl.length - 1, 1) == '/'
|
) {
|
src = src.substr(1);
|
}
|
src = httpUrl + src;
|
}
|
let id = 'vol-preview';
|
let $div = document.getElementById(id);
|
if (!$div) {
|
$div = document.createElement('div');
|
$div.setAttribute('id', 'vol-preview');
|
let $mask = document.createElement('div');
|
$mask.style.position = 'absolute';
|
$mask.style.width = '100%';
|
$mask.style.height = '100%';
|
$mask.style.background = 'black';
|
$mask.style.opacity = '0.6';
|
$div.appendChild($mask);
|
$div.style.position = 'fixed';
|
$div.style.width = '100%';
|
$div.style.height = '100%';
|
// $div.style.overflow = "scroll";
|
$div.style.top = 0;
|
$div.style['z-index'] = 9999999;
|
let $img = document.createElement('img');
|
$img.setAttribute('class', 'vol-preview-img');
|
$img.style.position = 'absolute';
|
$img.style.top = '50%';
|
$img.style.left = '50%';
|
$img.style['max-width'] = '90%';
|
$img.style['max-height'] = '90%';
|
$img.style.transform = 'translate(-50%,-50%)';
|
// $img.src = src;
|
$img.setAttribute('src', src);
|
$div.appendChild($img);
|
$div.addEventListener('click', function() {
|
this.style.display = 'none';
|
});
|
document.body.appendChild($div);
|
return;
|
}
|
let $img1 = document.body
|
.appendChild($div)
|
.querySelector('.vol-preview-img');
|
// img.src = src;
|
$img1.setAttribute('src', src);
|
$div.style.display = 'block';
|
},
|
// 下载文件 $element 标签, url完整url, fileName 文件名, header 以key/value传值
|
// backGroundUrl 后台url，如果后台url直接从后台下载，其他全部通过点击a标签下载
|
dowloadFile(url, fileName, header, backGroundUrl) {
|
if (!url) return alert('此文件没有url不能下载');
|
if (!this.isUrl(url)) {
|
url = backGroundUrl + url;
|
}
|
window.open(url);
|
},
|
downloadImg(data) {
|
if (!data.url || !data.callback || typeof data.callback !== 'function') {
|
return;
|
}
|
// url, backGroundUrl, header, callback
|
if (
|
this.isUrl(data.url) &&
|
!this.matchUrlIp(data.url, data.backGroundUrl)
|
) {
|
return data.url;
|
}
|
// 通过后台api服务器下载
|
if (!this.isUrl(data.url)) {
|
if (!this.isUrl(data.backGroundUrl + data.url)) {
|
return;
|
}
|
data.url = data.backGroundUrl + data.url;
|
}
|
var xmlResquest = new XMLHttpRequest();
|
xmlResquest.open('get', data.url, true);
|
xmlResquest.responseType = 'blob';
|
xmlResquest.setRequestHeader('Content-Type', 'application/json');
|
if (data.header && typeof data.header === 'object') {
|
for (const key in data.header) {
|
xmlResquest.setRequestHeader(key, data.header[key]);
|
}
|
}
|
xmlResquest.onload = function() {
|
if (this.status == 200) {
|
var blob = this.response;
|
callback(window.URL.createObjectURL(blob));
|
}
|
};
|
xmlResquest.send();
|
},
|
// 2020.06.01增加通用方法，将普通对象转换为tree结构
|
// data数据格式[
|
// { name: 'tree1', id: 1, parentId: 0 },
|
// { name: 'tree2', id: 2, parentId: 0 }]
|
|
// 1、id与parentId这两个字段必须有
|
// 2、树形tree需要注意Id与parentId循环依赖的问题
|
// 3、callback每次生成一新的节点的时回调的方法
|
|
convertTree(data, callback,idField='id',parentField='parentId') {
|
var treeIds = [];
|
var root_data = [];
|
data.forEach((x) => {
|
// if (!x.children) {
|
// x.children = []
|
// }
|
|
if (
|
!x.hidden &&
|
x[idField] !== undefined &&
|
x[idField] !== x[parentField] &&
|
!data.some((s) => {
|
return x[parentField] == s[idField];
|
})
|
) {
|
x.isRoot = true;
|
callback && callback(x, data, true, treeIds);
|
root_data.push(x);
|
getTree(x[idField], x, data, callback, treeIds,idField,parentField);
|
} else {
|
callback && callback(x, data, true, treeIds);
|
}
|
});
|
var exceptionNodes = data.filter((f) => {
|
return treeIds.indexOf(f[idField]) == -1 && !f.hidden;
|
});
|
|
root_data.push(...exceptionNodes);
|
return root_data;
|
},
|
getTreeAllParent(id, data) {
|
// 获取某个节点的所有父节点信息2020.11.01
|
var nodes = [];
|
if (!(data instanceof Array)) {
|
return nodes;
|
}
|
|
data.forEach((x) => {
|
if (x.id === x.parentId) {
|
x.parentId = 0;
|
}
|
// else if (data.some((c) => c.parentId === x.id && c.id === x.parentId)) {
|
// x.parentId = 0;
|
// }
|
});
|
|
var _child = data.find((x) => {
|
return x.id === id;
|
});
|
if (!_child) {
|
return [];
|
}
|
nodes.push(_child);
|
var _parentIds = [_child.parentId];
|
for (let index = 0; index < _parentIds.length; index++) {
|
var _node = data.find((x) => {
|
return x.id === _parentIds[index] && x.id !== x.parentId;
|
});
|
if (!_node) {
|
return nodes;
|
}
|
_parentIds.push(_node.parentId);
|
nodes.unshift(_node);
|
}
|
return nodes;
|
},
|
//获取所有节点的子节点
|
// data数据格式[
|
// { name: 'tree1', id: 1, parentId: 0 },
|
// { name: 'tree2', id: 2, parentId: 0 }]
|
getTreeAllChildren(id, data) {
|
//递归获取某个节点的所有子节点信息
|
var nodes = [];
|
if (!(data instanceof Array)) {
|
return nodes;
|
}
|
|
var _child = data.find((x) => {
|
return x.id === id;
|
});
|
if (!_child) {
|
return [];
|
}
|
nodes.push(_child);
|
var _parentIds = [_child.id];
|
for (let index = 0; index < _parentIds.length; index++) {
|
data.forEach((_node) => {
|
if (
|
_node.parentId === _parentIds[index] &&
|
_node.parentId !== _node.id
|
) {
|
_parentIds.push(_node.id);
|
nodes.unshift(_node);
|
}
|
});
|
}
|
return nodes;
|
},
|
//获取所有子节点的id
|
// data数据格式[
|
// { name: 'tree1', id: 1, parentId: 0 },
|
// { name: 'tree2', id: 2, parentId: 0 }]
|
getTreeAllChildrenId(id, data) {
|
return this.getTreeAllChildren(id, data).map((c) => {
|
return c.id;
|
});
|
}
|
};
|
export default base;
|
|
// 2020.06.01增加通用方法，将普通对象转换为tree结构
|
function getTree(id, node, data, callback, treeIds,idField,parentField) {
|
if (treeIds.indexOf(id) == -1) {
|
treeIds.push(id);
|
}
|
data.forEach((x) => {
|
if (!x.hidden && x[parentField] == id) {
|
if (!node.children) node.children = [];
|
callback && callback(x, node, false);
|
node.children.push(x);
|
getTree(x[idField], x, data, callback, treeIds,idField,parentField);
|
}
|
});
|
}
|
