Sin Helper
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/471561/1260860/SinHelper.js
; (function () {
window.sinHelper = {
Cache: {
},
/* 网络拦截相关 */
Xhr: {
inited: false,
init: function () {
if (this.inited === true) return;
let oldSend = XMLHttpRequest.prototype.send, _this = this;
XMLHttpRequest.prototype.send = function () {
let xhr = this
this.addEventListener("load", function () {
if (xhr.readyState != 4 || xhr.status != 200) return;
if (xhr.responseType != '' && xhr.responseType != 'text') return;
xhr.requestData = arguments
xhr.responseHeders = xhr.getAllResponseHeaders()
xhr.responseData = function () {
try {
return JSON.parse(xhr.responseText)
} catch (e) {
return xhr.responseText
}
}();
_this.dispatchFetch(xhr)
})
oldSend.apply(this, arguments);
}
this.inited = true;
},
rules: {}, // pathname => function
routes: [], // functions
registRules: function (ruleName, ruleFunc) {
if (typeof (ruleFunc) != 'function') {
console.error("Xhr Rules 必须是可调用的函数", ruleName)
return
}
this.rules[ruleName] = ruleFunc
},
/* 调用注册的 pathname 处理函数 */
dispatchFetch: function (xhr) {
let _this = this
const url = new URL(xhr.responseURL)
if (_this.rules[url.pathname]) {
if (typeof (this.rules[url.pathname]) == 'function') {
this.rules[url.pathname](xhr)
} else {
console.error("Xhr 处理函数错误：", url.pathname)
}
} else {
_this.routes.forEach((route) => {
if (typeof (route) == 'function') {
route(xhr)
}
})
}
}
},
Url: {
info: function (_url) {
let urlInfo = new URL(_url)
urlInfo['getParams'] = function (_key) {
let _obj = Object.fromEntries(urlInfo.searchParams.entries())
if (_key) return _obj[_key] || null
return _obj
}
return urlInfo
},
getParams: function (_url, _key) {
let urlStr = _url.split('?')[1]
let urlSearchParams = new URLSearchParams(urlStr)
let result = Object.fromEntries(urlSearchParams.entries())
if (_key) return result[_key] || null
return result
}
},
/* 原生JS 下载Excel */
Excel: {
'trans2Base64': function (content) {
return window.btoa(unescape(encodeURIComponent(content)));
},
'exportExcelFromFront': function (params) {
let _this = this
const { cellList, headerList, caption, exportName = 'exportName' } = params;
const captionEle = caption ? `<caption>${caption}</caption>` : ''; // 表格标题
const headerEle = `<tr>${headerList?.map((item) => `<th>${item}</th>`)?.join('')}</tr>`;
const cellEle = cellList
?.map((itemRow) => `<tr>${itemRow?.map((itemCell) => `<td>${itemCell}</td>`)?.join('')}</tr>`)
?.join('');
const excelContent = `${captionEle}${headerEle}${cellEle}`;
let worksheet = '工作表1';
let excelFile =
"<html xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:x='urn:schemas-microsoft-com:office:excel' xmlns='http://www.w3.org/TR/REC-html40'>";
excelFile +=
`<head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>${worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head>`;
excelFile += "<body><table width='10%' border='1'>";
excelFile += excelContent;
excelFile += '</table></body>';
excelFile += '</html>';
const link = `data:application/vnd.ms-excel;base64,${_this.trans2Base64(excelFile)}`;
const a = document.createElement('a');
a.download = `${exportName}.xlsx`;
a.href = link;
a.click();
}
},
/* 数学函数 */
Math: {
round: function (_number, _precision) {
if (!_precision) _precision = 0
_precision = _precision * 1
let _power = 10 ** _precision
return Math.round(_number * _power) / _power
}
},
Str: {
decodeBase64Safe: function (_encoded) {
_encoded = _encoded.replace(/-/g, '+').replace(/_/g, '/');
while (_encoded.length % 4) {
_encoded += '=';
}
return atob(_encoded);
}
},
Time: {
/**
* 格式化时间戳
* @param {string|Date|number} [value='']
* @param {string} [fmt='yyyy-MM-dd hh:mm:ss']
* @returns {string}
*/
format: function (value, fmt) {
let date = value
if (typeof value !== 'object' && !value.hasOwnProperty('getFullYear')) {
date = new Date(), value = value + ''
if (value.length === 10) date = new Date(value * 1000)
if (value.length === 13) date = new Date(value * 1)
}
if (!fmt) fmt = 'yyyy-MM-dd hh:mm:ss'
let o = {
"M+": date.getMonth() + 1,
"d+": date.getDate(),
"h+": date.getHours(),
"m+": date.getMinutes(),
"s+": date.getSeconds(),
"q+": Math.floor((date.getMonth() + 3) / 3),
"S": date.getMilliseconds()
};
if (/(y+)/.test(fmt)) {
fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
}
for (let k in o) {
if (new RegExp("(" + k + ")").test(fmt)) {
fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
}
}
return fmt;
},
/**
* 秒数 转 时分秒
*/
convert: function (seconds) {
let d = 0, h = 0, m = 0, s = 0, res = ''
if (seconds >= 86400) d = parseInt(seconds / 60 / 60 / 24)
if (seconds >= 3600) h = parseInt(seconds / 60 / 60 % 24)
if (seconds >= 60) m = parseInt(seconds / 60 % 60)
s = parseInt(seconds % 60)
if (d > 0) res += d + '天'
if (h > 0) res += (h < 10 ? '0' + h : h) + '小时'
if (m > 0) res += (m < 10 ? '0' + m : m) + '分'
if (s > 0) res += (s < 10 ? '0' + s : s) + '秒'
return res
}
}
};
})();