diff options
| author | unknown <[email protected]> | 2022-06-24 17:11:23 +0800 |
|---|---|---|
| committer | unknown <[email protected]> | 2022-06-24 17:11:23 +0800 |
| commit | 8565e1bb597b481447d33bac6d8c48c2c45215de (patch) | |
| tree | a4f10c8f7f85a1a8b5c947f7d0d2f967d808a9c4 /UI source code/dns_mapping_ui-master/src/utils/index.js | |
| parent | 8165dfcc7bdb0b2e6f1c05f8e7c93553c0e7911e (diff) | |
Diffstat (limited to 'UI source code/dns_mapping_ui-master/src/utils/index.js')
| -rw-r--r-- | UI source code/dns_mapping_ui-master/src/utils/index.js | 388 |
1 files changed, 388 insertions, 0 deletions
diff --git a/UI source code/dns_mapping_ui-master/src/utils/index.js b/UI source code/dns_mapping_ui-master/src/utils/index.js new file mode 100644 index 0000000..ab7ad30 --- /dev/null +++ b/UI source code/dns_mapping_ui-master/src/utils/index.js @@ -0,0 +1,388 @@ +/** + * Created by PanJiaChen on 16/11/18. + */ + +/** + * Parse the time to string + * @param {(Object|string|number)} time + * @param {string} cFormat + * @returns {string} + */ +export function parseTime(time, cFormat) { + if (arguments.length === 0) { + return null + } + const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}' + let date + if (typeof time === 'undefined' || time === null || time === 'null') { + return '' + } else if (typeof time === 'object') { + date = time + } else { + if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) { + time = parseInt(time) + } + if ((typeof time === 'number') && (time.toString().length === 10)) { + time = time * 1000 + } + date = new Date(time) + } + const formatObj = { + y: date.getFullYear(), + m: date.getMonth() + 1, + d: date.getDate(), + h: date.getHours(), + i: date.getMinutes(), + s: date.getSeconds(), + a: date.getDay() + } + const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => { + let value = formatObj[key] + // Note: getDay() returns 0 on Sunday + if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value ] } + if (result.length > 0 && value < 10) { + value = '0' + value + } + return value || 0 + }) + return time_str +} + +/** + * @param {number} time + * @param {string} option + * @returns {string} + */ +export function formatTime(time, option) { + if (('' + time).length === 10) { + time = parseInt(time) * 1000 + } else { + time = +time + } + const d = new Date(time) + const now = Date.now() + + const diff = (now - d) / 1000 + + if (diff < 30) { + return '刚刚' + } else if (diff < 3600) { + // less 1 hour + return Math.ceil(diff / 60) + '分钟前' + } else if (diff < 3600 * 24) { + return Math.ceil(diff / 3600) + '小时前' + } else if (diff < 3600 * 24 * 2) { + return '1天前' + } + if (option) { + return parseTime(time, option) + } else { + return ( + d.getMonth() + + 1 + + '月' + + d.getDate() + + '日' + + d.getHours() + + '时' + + d.getMinutes() + + '分' + ) + } +} + +/** + * @param {string} url + * @returns {Object} + */ +export function getQueryObject(url) { + url = url == null ? window.location.href : url + const search = url.substring(url.lastIndexOf('?') + 1) + const obj = {} + const reg = /([^?&=]+)=([^?&=]*)/g + search.replace(reg, (rs, $1, $2) => { + const name = decodeURIComponent($1) + let val = decodeURIComponent($2) + val = String(val) + obj[name] = val + return rs + }) + return obj +} + +/** + * @param {string} input value + * @returns {number} output value + */ +export function byteLength(str) { + // returns the byte length of an utf8 string + let s = str.length + for (var i = str.length - 1; i >= 0; i--) { + const code = str.charCodeAt(i) + if (code > 0x7f && code <= 0x7ff) s++ + else if (code > 0x7ff && code <= 0xffff) s += 2 + if (code >= 0xDC00 && code <= 0xDFFF) i-- + } + return s +} + +/** + * @param {Array} actual + * @returns {Array} + */ +export function cleanArray(actual) { + const newArray = [] + for (let i = 0; i < actual.length; i++) { + if (actual[i]) { + newArray.push(actual[i]) + } + } + return newArray +} + +/** + * @param {Object} json + * @returns {Array} + */ +export function param(json) { + if (!json) return '' + return cleanArray( + Object.keys(json).map(key => { + if (json[key] === undefined) return '' + return encodeURIComponent(key) + '=' + encodeURIComponent(json[key]) + }) + ).join('&') +} + +/** + * @param {string} url + * @returns {Object} + */ +export function param2Obj(url) { + const search = url.split('?')[1] + if (!search) { + return {} + } + return JSON.parse( + '{"' + + decodeURIComponent(search) + .replace(/"/g, '\\"') + .replace(/&/g, '","') + .replace(/=/g, '":"') + .replace(/\+/g, ' ') + + '"}' + ) +} + +/** + * @param {string} val + * @returns {string} + */ +export function html2Text(val) { + const div = document.createElement('div') + div.innerHTML = val + return div.textContent || div.innerText +} + +/** + * Merges two objects, giving the last one precedence + * @param {Object} target + * @param {(Object|Array)} source + * @returns {Object} + */ +export function objectMerge(target, source) { + if (typeof target !== 'object') { + target = {} + } + if (Array.isArray(source)) { + return source.slice() + } + Object.keys(source).forEach(property => { + const sourceProperty = source[property] + if (typeof sourceProperty === 'object') { + target[property] = objectMerge(target[property], sourceProperty) + } else { + target[property] = sourceProperty + } + }) + return target +} + +/** + * @param {HTMLElement} element + * @param {string} className + */ +export function toggleClass(element, className) { + if (!element || !className) { + return + } + let classString = element.className + const nameIndex = classString.indexOf(className) + if (nameIndex === -1) { + classString += '' + className + } else { + classString = + classString.substr(0, nameIndex) + + classString.substr(nameIndex + className.length) + } + element.className = classString +} + +/** + * @param {string} type + * @returns {Date} + */ +export function getTime(type) { + if (type === 'start') { + return new Date().getTime() - 3600 * 1000 * 24 * 90 + } else { + return new Date(new Date().toDateString()) + } +} + +/** + * @param {Function} func + * @param {number} wait + * @param {boolean} immediate + * @return {*} + */ +export function debounce(func, wait, immediate) { + let timeout, args, context, timestamp, result + + const later = function() { + // 据上一次触发时间间隔 + const last = +new Date() - timestamp + + // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait + if (last < wait && last > 0) { + timeout = setTimeout(later, wait - last) + } else { + timeout = null + // 如果设定为immediate===true,因为开始边界已经调用过了此处无需调用 + if (!immediate) { + result = func.apply(context, args) + if (!timeout) context = args = null + } + } + } + + return function(...args) { + context = this + timestamp = +new Date() + const callNow = immediate && !timeout + // 如果延时不存在,重新设定延时 + if (!timeout) timeout = setTimeout(later, wait) + if (callNow) { + result = func.apply(context, args) + context = args = null + } + + return result + } +} + +/** + * This is just a simple version of deep copy + * Has a lot of edge cases bug + * If you want to use a perfect deep copy, use lodash's _.cloneDeep + * @param {Object} source + * @returns {Object} + */ +export function deepClone(source) { + if (!source && typeof source !== 'object') { + throw new Error('error arguments', 'deepClone') + } + const targetObj = source.constructor === Array ? [] : {} + Object.keys(source).forEach(keys => { + if (source[keys] && typeof source[keys] === 'object') { + targetObj[keys] = deepClone(source[keys]) + } else { + targetObj[keys] = source[keys] + } + }) + return targetObj +} + +/** + * @param {Array} arr + * @returns {Array} + */ +export function uniqueArr(arr) { + return Array.from(new Set(arr)) +} + +/** + * @returns {string} + */ +export function createUniqueString() { + const timestamp = +new Date() + '' + const randomNum = parseInt((1 + Math.random()) * 65536) + '' + return (+(randomNum + timestamp)).toString(32) +} + +/** + * Check if an element has a class + * @param {HTMLElement} elm + * @param {string} cls + * @returns {boolean} + */ +export function hasClass(ele, cls) { + return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)')) +} + +/** + * Add class to element + * @param {HTMLElement} elm + * @param {string} cls + */ +export function addClass(ele, cls) { + if (!hasClass(ele, cls)) ele.className += ' ' + cls +} + +/** + * Remove class from element + * @param {HTMLElement} elm + * @param {string} cls + */ +export function removeClass(ele, cls) { + if (hasClass(ele, cls)) { + const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)') + ele.className = ele.className.replace(reg, ' ') + } +} + +// 替换邮箱字符 +export function regEmail(email) { + if (String(email).indexOf('@') > 0) { + const str = email.split('@') + let _s = '' + if (str[0].length > 3) { + for (var i = 0; i < str[0].length - 3; i++) { + _s += '*' + } + } + var new_email = str[0].substr(0, 3) + _s + '@' + str[1] + } + return new_email +} + +// 替换手机字符 +export function regMobile(mobile) { + if (mobile.length > 7) { + var new_mobile = mobile.substr(0, 3) + '****' + mobile.substr(7) + } + return new_mobile +} + +// 下载文件 +export function downloadFile(obj, name, suffix) { + const url = window.URL.createObjectURL(new Blob([obj])) + const link = document.createElement('a') + link.style.display = 'none' + link.href = url + const fileName = parseTime(new Date()) + '-' + name + '.' + suffix + link.setAttribute('download', fileName) + document.body.appendChild(link) + link.click() + document.body.removeChild(link) +} |
