fenzhi-utils
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分值前端项目的js函数库
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JavaScript
var Fenzhi = (function (exports) {
'use strict';
/**
* 平铺数组
* @param {array} arr 要平铺的数组
* @param {string} childProp 平铺的子集字段
* @param {boolean} keepChildren 是否删除子集(默认删除)
* @returns {array} 返回平铺后的数组
*/
/*
let arr = [
{
id: 1,
children: [
{
id: 2,
children: [
{
id: 4,
children: [{ id: 8 }, { id: 9 }],
},
{
id: 5,
children: [{ id: 10 }, { id: 11 }],
},
],
},
{
id: 3,
children: [
{
id: 6,
children: [{ id: 12 }, { id: 13 }],
},
{
id: 7,
children: [{ id: 14 }, { id: 15 }],
},
],
},
],
},
{
id: 101,
},
];
CustomArrayFlatter(arr)
CustomArrayFlatter(arr, 'children')
CustomArrayFlatter(arr, 'children', true)
*/
function CustomArrayFlatter() {
var arr = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
var childrenKey = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'children';
var keepChildren = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
var result = [];
var newArr = JSON.parse(JSON.stringify(arr));
newArr.forEach(function (item) {
var children = item[childrenKey];
if (!keepChildren) {
delete item[childrenKey];
}
result.push(item);
if (Array.isArray(children)) {
result = result.concat(CustomArrayFlatter(children, childrenKey, keepChildren));
}
});
return result;
}
// 下面的方法可替换JSON.parse(JSON.stringify(arr))
// function deepCopy(source) {
// if (typeof source != 'object') {
// return source;
// }
// if (source == null) {
// return source;
// }
// var newObj = source.constructor === Array ? [] : {}; //开辟一块新的内存空间
// for (var i in source) {
// newObj[i] = deepCopy(source[i]);
// }
// return newObj;
// }
/**
* 对一个由对象组成的数组进行排序
* @param {Array} arr arr 要排序的数组
* @param {String} prop 要排序的属性名
* @param {String} order 排序方式，默认为降序排序
* @returns {Array<Object>} 排序后的数组
*/
/*
// 测试数组
const list = [
{ id: 6, name: 'John', age: true, score: 70.5, active: true },
{ id: 5, name: '', age: '20', score: 80.5, active: false },
{ id: 9, name: 'Amy', age: '20', score: 80.5, active: true },
{ id: 15, name: 'Ian', age: '20', score: 80.5, active: false },
{ id: 8, name: 'Lucy', age: '25', score: 75.5, active: false },
{ id: 13, name: 'Grace', age: '30', score: 75.5, active: true },
{ id: 2, name: 'Jerry', age: '20', score: 85.5, active: false },
{ id: 3, name: 'Bob', age: '30', score: 85.5, active: true },
{ id: 10, name: 'Frank', age: '30', score: 85.5, active: true },
{ id: 11, name: 'David', age: '', score: 85.5, active: false },
{ id: 4, name: 'Alice', age: '25', score: '', active: true },
{ id: 14, name: 'Henry', age: '25', score: 85.5, active: true },
{ id: 1, name: 'Tom', age: '25', score: 90.5, active: true },
{ id: 12, name: 'Eva', age: '20', score: 90.5, active: true },
{ id: 7, name: 'Mike', age: '30', score: 85.5, active: true },
];
console.log(CustomArraySort(list, 'age', 'desc'));
*/
function CustomArraySort(arr, prop) {
var order = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'desc';
if (!Array.isArray(arr)) return arr;
if (typeof prop !== 'string' || !prop.trim()) return arr;
if (!['asc', 'desc'].includes(order)) return arr;
var compare = function compare(a, b) {
return order === 'asc' ? a - b : b - a;
};
return arr.sort(function (a, b) {
if (isNaN(parseFloat(a[prop]))) return 1;
if (isNaN(parseFloat(b[prop]))) return -1;
var aValue = parseFloat(a[prop]);
var bValue = parseFloat(b[prop]);
if (aValue === bValue) return arr.indexOf(a) - arr.indexOf(b);
return compare(aValue, bValue);
});
}
/**
* 数组求和(根据某个字段求和)
* @param {array} arr 求和的数组
* @returns {number}
*/
/**
let arr_1 = [{ a: 1 }, { a: 2 }, { a: 3 }, { a: 4 }, { a: 5 }];
CustomArraySumField(arr_1, 'a'); // 15
let arr_2 = [
{ a: 1 },
{ a: null },
{ a: '' },
{ a: '1' },
{ a: undefined },
{ a: Infinity },
];
CustomArraySumField(arr_2,'a');// 2
*/
function CustomArraySumField() {
var arr = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
var field = arguments.length > 1 ? arguments[1] : undefined;
if (!arr.length) return 0;
if ([0, 1].includes(arguments.length)) return 0;
return arr.reduce(function (pre, item) {
var curNum = 0;
if ([null, 'null', '', 'undefined', undefined, Infinity].includes(item[field])) curNum = 0;else if (typeof item[field] === 'number') curNum = item[field];else if (typeof item[field] === 'string') curNum = parseInt(item[field], 10);else if (typeof item[field] === 'boolean') curNum = item[field] ? 1 : 0;
return pre + curNum;
}, 0);
}
/**
* 数组求和
* @param {array} arr 求和的数组
* @returns {number}
*/
/**
let arr_1 = [1,2,3,4,5,null,'',undefined,Infinity]
CustomArraySumSignle(arr_1);// 15
let arr_2 = [1, 2, 3, 4, 5, 6];
CustomArraySumSignle(arr_2);// 21
*/
function CustomArraySumSignle() {
var arr = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
if (!arr.length) return 0;
return arr.reduce(function (pre, item) {
var curNum = 0;
if ([null, 'null', '', 'undefined', undefined, Infinity].includes(item)) curNum = 0;else if (typeof item === 'number') curNum = item;else if (typeof item === 'string') curNum = parseInt(item, 10);else if (typeof item === 'boolean') curNum = item ? 1 : 0;
return pre + curNum;
}, 0);
}
/**
* 将数组组装成树形结构
* @param {array} arr 进行组装的数组
* @param {string} id 子级的字段
* @param {string} pid 父级的字段
* @param {string} childrenKey 子级集合的字段
* @returns {array} 返回组装后的数组
*/
/*
var arr = [
{ id: 1, parent: null },
{ id: 101, parent: null },
{ id: 2, parent: 1 },
{ id: 3, parent: 1 },
{ id: 4, parent: 2 },
{ id: 5, parent: 2 },
{ id: 6, parent: 3 },
{ id: 7, parent: 3 },
{ id: 8, parent: 4 },
{ id: 9, parent: 4 },
{ id: 10, parent: 5 },
{ id: 11, parent: 5 },
{ id: 12, parent: 6 },
{ id: 13, parent: 6 },
{ id: 14, parent: 7 },
{ id: 15, parent: 7 },
];
var tree = CustomArrayToTree(arr, 'id', 'parent', 'childred')
*/
function CustomArrayToTree(arr) {
var id = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'id';
var pid = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'pid';
var childrenKey = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 'children';
var map = new Map();
var roots = [];
arr.forEach(function (item) {
map.set(item[id], item);
});
arr.forEach(function (item) {
var parent = map.get(item[pid]);
if (parent) {
if (!parent[childrenKey]) {
parent[childrenKey] = [];
}
parent[childrenKey].push(item);
} else {
roots.push(item);
}
});
return roots;
}
/**
* 格式化时间
* @param {string,date} date 时间
* @param {string} fmt 指定的格式化格式
* @returns {string} ''
*/
/* 下面是测试用例
CustomDateFtt(1565059668200,"yyyy-MM-dd hh:mm:ss");// '2019-08-06 10:47:48'
CustomDateFtt(1565059668200,"yyyy-MM-dd");// '2019-08-06'
CustomDateFtt('2022-02-14T13:30:00.000Z',"yyyy-MM-dd");// '2019-08-06'
CustomDateFtt(new Date(),"yyyy-MM-dd");// '2019-08-06'
CustomDateFtt(new Date('2022-01-01'),"yyyy-MM-dd");// '2022-01-01'
CustomDateFtt(null, 'yyyy-MM-dd hh:mm:ss');// ''
CustomDateFtt(undefined, 'yyyy-MM-dd hh:mm:ss');// ''
CustomDateFtt('', 'yyyy-MM-dd hh:mm:ss');// ''
CustomDateFtt('2022-01-01', 'yyyy-MM-dd');// '2022-01-01'
CustomDateFtt('2022-01-01 12:34:56', 'yyyy-MM-dd hh:mm:ss');// '2022-01-01 12:34:56'
CustomDateFtt('2022/01/01 12:34:56', 'yyyy-MM-dd hh:mm:ss');// '2022-01-01 12:34:56'
CustomDateFtt('2022-01-01 12:34:56', 'yyyy/MM/dd hh:mm:ss');// '2022/01/01 12:34:56'
CustomDateFtt('2022-01-01 12:34:56.123', 'yyyy-MM-dd hh:mm:ss.SSS');// '2022-01-01 12:34:56.123SS'
CustomDateFtt('2022-01-01 12:34:56.123', 'yyyy-MM-dd hh:mm:ss.S');// '2022-01-01 12:34:56.123'
CustomDateFtt('2022-01-01 12:34:56.123', 'yyyy-MM-dd hh:mm:ss.SS');// '2022-01-01 12:34:56.123S'
CustomDateFtt('2022-01-01 12:34:56.123', 'yyyy-MM-dd hh:mm:ss.SSSS');// '2022-01-01 12:34:56.123SSS'
CustomDateFtt('2022-01-01 12:34:56.123', 'yyyy-MM-dd hh:mm:ss.SSSSS'); // '2022-01-01 12:34:56.123SSSS'
*/
function CustomDateFtt(date, fmt) {
if (date != null && date != '' && date != undefined) {
if (typeof date == 'string') {
if (date.includes('T')) {
date = new Date(date);
} else {
date = date.replace(/-/g, '/');
}
}
var date = new Date(date);
var o = {
'M+': date.getMonth() + 1,
'd+': date.getDate(),
'h+': date.getHours(),
'm+': date.getMinutes(),
's+': date.getSeconds(),
'q+': Math.floor((date.getMonth() + 3) / 3),
//季度
S: date.getMilliseconds() //毫秒
};
o.S < 100 && (o.S = o.S < 10 ? '00' + o.S : '0' + o.S);
if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length));
for (var 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));
} else {
fmt = '';
}
return fmt;
}
/**
* 获取时间所在月份起止日期
* @param {date} params 时间，不传默认当前
* @returns {array}
*/
/**
CustomMonthRate(); // ['2023-3-01', '2023-3-31']
CustomMonthRate('2023-05-01'); // ['2023-5-01', '2023-5-31']
CustomMonthRate('2023-05-31'); // ['2023-5-01', '2023-5-31']
CustomMonthRate(new Date()); // ['2023-3-01', '2023-3-31']
CustomMonthRate('2023-02-21'); // ['2023-2-01', '2023-2-28']
*/
function CustomMonthRate(params) {
var date;
if (!arguments.length) {
date = new Date();
} else {
if ([null, '', undefined].includes(params)) {
return ['', ''];
} else {
date = new Date(params);
}
}
var year = date.getFullYear();
var month = date.getMonth() + 1;
var lastDate = new Date(year, month, 0).getDate();
return ["".concat(year, "-").concat(month, "-01"), "".concat(year, "-").concat(month, "-").concat(lastDate)];
}
/**
* 获取本周时间
* @param {number} n 代表要获取周几的数字
* @param {date} time 代表要获取的时间
* @returns {string} 返回获取到的周几的时间
*/
/**
CustomWeekTime(0,'2023-04-03');// 【周一 ~ 周日】 获取周一 '2023-04-03'
CustomWeekTime(-6,'2023-04-03');// 【周一 ~ 周日】 获取周日 '2023-04-09'
CustomWeekTime(1,'2023-04-03');// 【周日 ~ 周六】 获取周日 '2023-04-02'
CustomWeekTime(-5,'2023-04-03');// 【周日 ~ 周六】 获取周六 '2023-04-08'
*/
function CustomWeekTime(n, time) {
var now = new Date(time);
var year = now.getFullYear();
var month = now.getMonth() + 1;
var date = now.getDate();
var day = now.getDay();
if (day !== 0) {
n = n + (day - 1);
} else {
n = n + day;
}
if (day) {
if (month > 1) {
month = month;
} else {
year = year - 1;
month = 12;
}
}
now.setDate(now.getDate() - n);
year = now.getFullYear();
month = now.getMonth() + 1;
date = now.getDate();
s = year + '-' + (month < 10 ? '0' + month : month) + '-' + (date < 10 ? '0' + date : date);
return s;
}
/**
* 将传入的数字乘以100并保留指定位数的小数，如果无法转换为数字则返回空字符串。
* @param {number} data 要转换的百分数
* @param {number} num 保留几位小数
* @returns {string} 返回转换后的百分数
*/
/**
test('CustomConverPercent', () => {
expect(CustomConverPercent(0.123456)).toBe('12.35')
expect(CustomConverPercent(0.123456, 3)).toBe('12.346')
expect(CustomConverPercent('0.123456')).toBe('12.35')
expect(CustomConverPercent('0.123456', 3)).toBe('12.346')
expect(CustomConverPercent('')).toBe('')
expect(CustomConverPercent(null)).toBe('')
expect(CustomConverPercent(undefined)).toBe('')
expect(CustomConverPercent(Infinity)).toBe('')
})
*/
function CustomConverPercent(data) {
var num = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 2;
data = parseFloat(data);
// 如果不能强制转换为数字 比如：null undefined ''等 则返回 ''
if (isNaN(data) || data === Infinity) return '';
data *= 100;
return data.toFixed(num);
}
/**
* 是否可以转换成数字
* @param {*} n 检测类型
* @returns {boolean}
*/
/**
CustomIsNumeric(42); // true
CustomIsNumeric('42'); // true
CustomIsNumeric(' 42 '); // true
CustomIsNumeric('4.2'); // true
CustomIsNumeric('4,2'); // false
CustomIsNumeric(''); // false
CustomIsNumeric(' '); // false
CustomIsNumeric(null); // false
CustomIsNumeric(undefined); // false
CustomIsNumeric(NaN); // false
CustomIsNumeric(Infinity); // false
CustomIsNumeric(-Infinity); // false
*/
function CustomIsNumeric(n) {
return !isNaN(parseFloat(n)) && isFinite(n);
}
/**
* 保留小数(非四舍五入)
* @param {*} n
* @param {*} fixed
* @returns
*/
/**
console.log(CustomNumberNoFixed(10.123456, 2)); // 10.12
console.log(CustomNumberNoFixed(-10.123456, 2)); // -10.12
console.log(CustomNumberNoFixed(NaN, 2)); // -
console.log(CustomNumberNoFixed(null, 2)); // -
console.log(CustomNumberNoFixed('', 2)); // -
console.log(CustomNumberNoFixed(undefined, 2)); // -
console.log(CustomNumberNoFixed(Number.MAX_SAFE_INTEGER, 2)); // 9007199254740991
console.log(CustomNumberNoFixed(Number.MIN_SAFE_INTEGER, 2)); // -9007199254740991
*/
function CustomNumberNoFixed(n, fixed) {
var num = parseFloat(n);
if (isNaN(num)) {
return '-';
}
return ~~(Math.pow(10, fixed) * num) / Math.pow(10, fixed);
}
/**
* 保留小数(四舍五入)
* @param {number} num
* @param {number} digits
* @returns {string}
* 注：js自带的toFixed有银行家算法缺陷，故重写 例：toFixed(1.255, 2)
*/
/*
CustomNumberToFixed(1.2555, 2); // '1.26'
CustomNumberToFixed(-1.2555, 2); // '-1.26'
CustomNumberToFixed('1.2555', 2); // '1.26'
CustomNumberToFixed('-1.2555', 2); // '-1.26'
CustomNumberToFixed(1.2333, 2); // '1.23'
CustomNumberToFixed(-1.2333, 2); // '-1.23'
CustomNumberToFixed(1.2366, 2); // '1.24'
CustomNumberToFixed(-1.2366, 2); // '-1.24'
*/
function CustomNumberToFixed(num) {
var digits = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
if (isNaN(parseFloat(num)) || parseFloat(num) === Infinity) return '';
var zeroStrNum = num.toString();
// 处理科学计算情况
if (zeroStrNum.includes('e')) {
var m = zeroStrNum.match(/\d(?:\.(\d*))?e([+-]\d+)/);
zeroStrNum = num.toFixed(Math.max(0, (m[1] || '').length - m[2]));
}
var isNegativeNum = false;
// 判断是否为负数
if (zeroStrNum.startsWith('-')) {
isNegativeNum = true;
zeroStrNum = zeroStrNum.slice(1);
}
// 获取小数点位置
var dotIndex = zeroStrNum.indexOf('.');
// 如果是整数/保留小数位数等于超过当前小数长度，则直接用toFixed返回
if (dotIndex === -1 || zeroStrNum.length - (dotIndex + 1) <= digits) {
return num.toFixed(digits);
}
// 找到需要进行四舍五入的部分
var numArr = zeroStrNum.match(/\d/g) || [];
numArr = numArr.slice(0, dotIndex + digits + 1);
// 核心处理逻辑
if (parseInt(numArr[numArr.length - 1], 10) > 4) {
// 如果最后一位大于4，则往前遍历+1
for (var i = numArr.length - 2; i >= 0; i--) {
numArr[i] = String(parseInt(numArr[i], 10) + 1);
// 判断这位数字 +1 后会不会是 10
if (numArr[i] === '10') {
// 10的话处理一下变成 0，再次for循环，相当于给前面一个 +1
numArr[i] = '0';
} else {
// 小于10的话，就打断循环，进位成功
break;
}
}
}
// 将小数点加入数据
numArr.splice(dotIndex, 0, '.');
// 处理多余位数
numArr.pop();
// 如果事负数，添加负号
if (isNegativeNum) {
numArr.unshift('-');
}
return Number(numArr.join('')).toFixed(digits);
}
/**
* 转换单位后的数字
* @param {number} num 格式化的谁
* @param {number} digits 保留小数位
* @returns {string} 转换单位后的数字
*/
/**
CustomTendToNumber(); // ''
CustomTendToNumber(113456789); // '1.13'
CustomTendToNumber(-110000000); // '-1.10'
CustomTendToNumber(11000); // '1.10'
CustomTendToNumber(-11000); // '-1.10'
CustomTendToNumber(11); // '11'
*/
function CustomTendToNumber(num) {
var digits = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 2;
if (!CustomIsNumeric(num)) return '';
num = parseFloat(num);
var character = num >= 0 ? '' : '-'; // 符号
var shortNum = Math.abs(num);
if (shortNum >= 100000000) {
shortNum = CustomNumberToFixed(shortNum / 100000000, digits);
} else if (shortNum >= 10000) {
shortNum = CustomNumberToFixed(shortNum / 10000, digits);
}
return character + shortNum;
}
/**
* 获取数字的单位
* @param {number} num 转换的数组
* @returns {string} 返回的单位
*/
/**
CustomTendToUnit(100000000); // 亿
CustomTendToUnit(10000); // 万
CustomTendToUnit(9999); // ''
CustomTendToUnit(null); // ''
CustomTendToUnit(undefined); // ''
CustomTendToUnit(NaN); // ''
CustomTendToUnit(Infinity); // ''
*/
function CustomTendToUnit(num) {
if (!CustomIsNumeric(num)) return '';
num = Math.abs(num);
var nuit = '';
if (num >= 100000000) {
nuit = '亿';
} else if (num >= 10000) {
nuit = '万';
}
return nuit;
}
/**
* 数字转换单位
* @param {number} num 转换的数字
* @param {number} digits 保留的小数位数
* @returns {string} 返回转换的数字
*/
/**
CustomTendToTurn(); // ''
CustomTendToTurn(113456789); // '1.13亿'
CustomTendToTurn(-110000000); // '-1.10亿'
CustomTendToTurn(11000); // '1.10万'
CustomTendToTurn(-11000); // '-1.10万'
CustomTendToTurn(11); // '11'
*/
function CustomTendToTurn(num) {
var digits = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 2;
return CustomTendToNumber(num, digits) + CustomTendToUnit(num);
}
/**
* 转换成万的单位
* @param {number} num 转换成万的数字
* @param {number} digits 保留的小数位数
* @returns {string} 返回转换成万的组合
*/
/**
CustomTendToTurn(); // ''
CustomTendToTurn(113456789); // '11345.68'
CustomTendToTurn(-110000000); // '-11000.00'
CustomTendToTurn(11000); // '1.10'
CustomTendToTurn(-11000); // '-1.10'
CustomTendToTurn(11); // '0.00'
*/
function CustomTendToWan(num) {
var digits = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 2;
if (!CustomIsNumeric(num)) return '';
num = parseFloat(num);
var character = num >= 0 ? '' : '-'; // 符号
var shortNum = Math.abs(num);
shortNum = CustomNumberToFixed(shortNum / 10000, digits);
return character + shortNum;
}
/**
* 千分位分隔符
* @param {number} num 被格式化的数字
* @param {number} decimalPlaces
* @returns
*/
/*
console.log(CustomThousandSplit(obj.a)); // ""
console.log(CustomThousandSplit(obj.b)); // ""
console.log(CustomThousandSplit(1000)); // "1,000"
console.log(CustomThousandSplit(-1000)); // "-1,000"
console.log(CustomThousandSplit(1234.5678, 2)); // "1,234.57"
console.log(CustomThousandSplit(-1234.5678, 2)); // "-1,234.57"
console.log(CustomThousandSplit(1234.5678)); // "1,234.5678"
console.log(CustomThousandSplit(-1234.5678)); // "-1,234.5678"
console.log(CustomThousandSplit(0, 2)); // "0"
console.log(CustomThousandSplit(0, 2)); // "0.00"
console.log(CustomThousandSplit(0.1234, 4)); // "0.1234"
console.log(CustomThousandSplit(-0.1234, 4)); // "-0.1234"
console.log(CustomThousandSplit(123456789)); // "123,456,789"
console.log(CustomThousandSplit(-123456789)); // "-123,456,789"
console.log(CustomThousandSplit(123456789.123456789, 5)); // "123,456,789.12346"
console.log(CustomThousandSplit(-123456789.123456789, 5)); // "-123,456,789.12346"
console.log(CustomThousandSplit(0.000000001, 9)); // "0.000000001"
console.log(CustomThousandSplit(-0.000000001, 9)); // "-0.000000001"
console.log(CustomThousandSplit(null)); // ""
console.log(CustomThousandSplit(undefined)); // ""
console.log(CustomThousandSplit('1000')); // "1,000"
console.log(CustomThousandSplit('-1000')); // "-1,000"
console.log(CustomThousandSplit('1234.5678', 2)); // "1,234.57"
console.log(CustomThousandSplit('-1234.5678', 2)); // "-1,234.57"
console.log(CustomThousandSplit('1234.5678')); // "1,234.5678"
console.log(CustomThousandSplit('-1234.5678')); // "-1,234.5678"
console.log(CustomThousandSplit('0')); // "0"
console.log(CustomThousandSplit('0.1234', 4)); // "0.1234"
console.log(CustomThousandSplit('-0.1234', 4)); // "-0.1234"
console.log(CustomThousandSplit('123456789')); // "123,456,789"
console.log(CustomThousandSplit('-123456789')); // "-123,456,789"
console.log(CustomThousandSplit('123456789.123456789', 5)); // "123,456,789.12346"
console.log(CustomThousandSplit('-123456789.123456789', 5)); // "-123,456,789.12346"
console.log(CustomThousandSplit('0.000000001', 9)); // "0.000000001"
console.log(CustomThousandSplit('-0.000000001', 9)); // "-0.000000001"
*/
function CustomThousandSplit(num, decimalPlaces) {
if ([null, undefined].includes(num)) {
return '';
}
num = String(num);
var thousandSeparator = ',';
var decimalSeparator = '.';
var sign = num[0] === '-' ? '-' : '';
var absNum = Math.abs(parseFloat(num));
var integerPart = Math.floor(absNum).toString().replace(/\B(?=(\d{3})+(?!\d))/g, thousandSeparator);
var decimalPart = decimalPlaces !== undefined ? decimalSeparator + absNum.toFixed(decimalPlaces).split('.')[1] : '';
return sign + integerPart + decimalPart;
}
// export function numberFormat(num) {
// if (isNaN(parseFloat(num)) || parseFloat(num) === Infinity) return '';
// let fixedIndex =
// num.toString().indexOf('.') === -1
// ? 0
// : num.toString().split('.')[1].length;
// return parseFloat(num)
// .toFixed(fixedIndex)
// .replace(/\d{1,3}(?=(\d{3})+(\.\d*)?$)/g, '$&,');
// }
function unwrapExports (x) {
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var arrayWithHoles = createCommonjsModule(function (module) {
function _arrayWithHoles(arr) {
if (Array.isArray(arr)) return arr;
}
module.exports = _arrayWithHoles, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(arrayWithHoles);
var iterableToArrayLimit = createCommonjsModule(function (module) {
function _iterableToArrayLimit(arr, i) {
var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"];
if (null != _i) {
var _s,
_e,
_x,
_r,
_arr = [],
_n = !0,
_d = !1;
try {
if (_x = (_i = _i.call(arr)).next, 0 === i) {
if (Object(_i) !== _i) return;
_n = !1;
} else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0);
} catch (err) {
_d = !0, _e = err;
} finally {
try {
if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return;
} finally {
if (_d) throw _e;
}
}
return _arr;
}
}
module.exports = _iterableToArrayLimit, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(iterableToArrayLimit);
var arrayLikeToArray = createCommonjsModule(function (module) {
function _arrayLikeToArray(arr, len) {
if (len == null || len > arr.length) len = arr.length;
for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
return arr2;
}
module.exports = _arrayLikeToArray, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(arrayLikeToArray);
var unsupportedIterableToArray = createCommonjsModule(function (module) {
function _unsupportedIterableToArray(o, minLen) {
if (!o) return;
if (typeof o === "string") return arrayLikeToArray(o, minLen);
var n = Object.prototype.toString.call(o).slice(8, -1);
if (n === "Object" && o.constructor) n = o.constructor.name;
if (n === "Map" || n === "Set") return Array.from(o);
if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return arrayLikeToArray(o, minLen);
}
module.exports = _unsupportedIterableToArray, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(unsupportedIterableToArray);
var nonIterableRest = createCommonjsModule(function (module) {
function _nonIterableRest() {
throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
module.exports = _nonIterableRest, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
unwrapExports(nonIterableRest);
var slicedToArray = createCommonjsModule(function (module) {
function _slicedToArray(arr, i) {
return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || unsupportedIterableToArray(arr, i) || nonIterableRest();
}
module.exports = _slicedToArray, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
var _slicedToArray = unwrapExports(slicedToArray);
/**
* 深度克隆函数(包含函数、原型链、数组、循环引用，Symbol、Map、Set等)
* @param {*} obj
* @param {*} [hash=new WeakMap()]
* @return {*}
*/
/**
// 测试一：
let obj = {
str: 'hello world',
num: 123,
bool: true,
nul: null,
und: undefined,
arr: [1, 2, 3],
obj: { a: 1, b: 2, c: 3 },
func: function () {
console.log('hello world');
},
sym: Symbol('hello'),
map: new Map([
['name', 'Tom'],
['age', 18],
]),
set: new Set([1, 2, 3]),
};
obj.loop = obj; // 循环引用
let cloneObj = CustomDeepClone(obj);
console.log(cloneObj);
obj.str = 'AIGC';
console.log(cloneObj);
cloneObj.str = 'WEBAI';
console.log(cloneObj);
console.log(obj);
// 测试二：
let arr1 = [{ a: 6 }, { a: 7 }];
let arr2 = CustomDeepClone(arr1);
arr1[0].a = 8;
arr2[0].a = 9;
console.log(arr1);// [{ a: 8 }, { a: 7 }]
console.log(arr2);// [{ a: 9 }, { a: 7 }]
*/
function CustomDeepClone(obj) {
var hash = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : new WeakMap();
if (Object(obj) !== obj || obj instanceof Function || obj instanceof RegExp || obj instanceof Error || obj instanceof Date) {
return obj;
}
if (hash.has(obj)) {
return hash.get(obj);
}
var result;
try {
result = new obj.constructor();
} catch (e) {
result = Object.create(Object.getPrototypeOf(obj));
}
hash.set(obj, result);
if (obj instanceof Map) {
Array.from(obj, function (_ref) {
var _ref2 = _slicedToArray(_ref, 2),
key = _ref2[0],
val = _ref2[1];
return result.set(deepClone(key, hash), deepClone(val, hash));
});
} else if (obj instanceof Set) {
Array.from(obj, function (key) {
return result.add(deepClone(key, hash));
});
} else if (Array.isArray(obj)) {
result = obj.map(function (item) {
return deepClone(item, hash);
});
} else {
result = Object.getOwnPropertyNames(obj).reduce(function (acc, key) {
var descriptor = Object.getOwnPropertyDescriptor(obj, key);
if (descriptor.value !== undefined && typeof descriptor.value !== 'function') {
descriptor.value = deepClone(descriptor.value, hash);
} else if (descriptor.get || descriptor.set) {
descriptor.get = deepClone(descriptor.get, hash);
descriptor.set = deepClone(descriptor.set, hash);
}
Object.defineProperty(acc, key, descriptor);
return acc;
}, result);
Object.setPrototypeOf(result, deepClone(Object.getPrototypeOf(obj), hash));
}
if (obj instanceof Map) {
Object.setPrototypeOf(result, Map.prototype);
} else if (obj instanceof Set) {
Object.setPrototypeOf(result, Set.prototype);
}
return result;
}
/**
* 字节转换
* @param {string} limit
* @returns {string}
*/
/**
CustomByteConversion(1023); //输出：1023B
CustomByteConversion(1024); //输出：1.00KB
CustomByteConversion(1024 * 1024); //输出：1.00MB
CustomByteConversion(1024 * 1024 * 1024); //输出：1.00GB
CustomByteConversion(0.1); //输出：0.10B
CustomByteConversion(0.1 * 1024); //输出：0.10KB
CustomByteConversion(0.1 * 1024 * 1024); //输出：0.10MB
CustomByteConversion(0.1 * 1024 * 1024 * 1024); //输出：0.10GB
*/
function CustomByteConversion(limit) {
var size = '';
if (limit < 0.1 * 1024) {
//小于0.1KB，则转化成B
size = limit.toFixed(2) + 'B';
} else if (limit < 0.1 * 1024 * 1024) {
//小于0.1MB，则转化成KB
size = (limit / 1024).toFixed(2) + 'KB';
} else if (limit < 0.1 * 1024 * 1024 * 1024) {
//小于0.1GB，则转化成MB
size = (limit / (1024 * 1024)).toFixed(2) + 'MB';
} else {
//其他转化成GB
size = (limit / (1024 * 1024 * 1024)).toFixed(2) + 'GB';
}
var sizeStr = size + ''; //转成字符串
var index = sizeStr.indexOf('.'); //获取小数点处的索引
var dou = sizeStr.substr(index + 1, 2); //获取小数点后两位的值
if (dou == '00') {
//判断后两位是否为00，如果是则删除00
return sizeStr.substring(0, index) + sizeStr.substr(index + 3, 2);
}
return size;
}
/**
* 函数防抖：fn函数在最后一次调用时刻的delay毫秒之后执行！
* @param fn 执行函数
* @param delay 时间间隔
* @param isImmediate 为true，debounce会在delay时间间隔的开始时立即调用这个函数
* @returns {Function}
*/
/*
// 测试一：
let count = 0;
const fn = () => count++;
// const debouncedFn = () => fn();
const debouncedFn = CustomDebounce(fn, 500);
debouncedFn();
debouncedFn();
debouncedFn();
setTimeout(() => {
console.log(count);
}, 600);
// 测试二：
const consoleFn = () => console.log(+new Date());
let testFn = CustomDebounce(consoleFn, 500);
let count = 0;
let timerSign = setInterval(() => {
testFn();
if (count > 30) clearInterval(timerSign);
count++;
}, 100);
*/
function CustomDebounce(fn) {
var delay = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100;
var isImmediate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
var timer = null; // 初始化timer，作为计时清除依据
return function () {
var context = this; // 获取函数所在作用域this
var args = arguments; // 取得传入参数
clearTimeout(timer);
if (isImmediate && timer === null) {
fn.apply(context, args); // 时间间隔外立即执行
timer = 0;
return;
}
timer = setTimeout(function () {
fn.apply(context, args);
timer = null;
}, delay);
};
}
/*
// 测试fn被正常调用
test('CustomDebounce - fn is called once when called multiple times within the delay time', () => {
let count = 0;
// 模拟重复调用fn函数
const fn = () => count++;
// 使用CustomDebounce包装fn函数
const debouncedFn = CustomDebounce(fn, 500);
// 调用debouncedFn函数，模拟在500ms内调用了多次
debouncedFn();
debouncedFn();
debouncedFn();
// 延迟510ms后检查count值是否仅增加了一次
return new Promise((resolve) => {
setTimeout(() => {
expect(count).toBe(1);
resolve();
}, 510);
});
});
// 测试isImmediate为true时，fn立即执行
test('CustomDebounce - fn is called immediately when isImmediate is true', () => {
let count = 0;
// 模拟重复调用fn函数
const fn = () => count++;
// 使用CustomDebounce包装fn函数，并指定isImmediate为true
const debouncedFn = CustomDebounce(fn, 500, true);
// 调用debouncedFn函数
debouncedFn();
// 检查count值是否被增加了一次
expect(count).toBe(1);
});
// 测试fn能够正常接收参数
test('CustomDebounce - fn can receive arguments', () => {
let num = 0;
// 模拟重复调用fn函数
const fn = (n) => num += n;
// 使用CustomDebounce包装fn函数，并指定delay参数为0
const debouncedFn = CustomDebounce(fn, 0);
// 调用debouncedFn函数，并传入一个参数
debouncedFn(5);
// 检查num值是否被增加了5
expect(num).toBe(5);
});
*/
/**
* 获取类型(以全小写返回)
* @param {*} obj 传入的类型
* @returns {string} 返回字符串类型
*/
/**
* CustomGetTypeOf(0);// 'number'
* CustomGetTypeOf('');// 'string'
* CustomGetTypeOf(null);// 'null'
* CustomGetTypeOf(undefined);// 'undefined'
* CustomGetTypeOf({});// 'object'
* CustomGetTypeOf(Symbol(1));// 'symbol'
* CustomGetTypeOf(function(){});// 'function'
* CustomGetTypeOf([1,2,3]);// 'array'
* CustomGetTypeOf(new Date());// 'date'
* CustomGetTypeOf(true);// 'boolean'
* CustomGetTypeOf(NaN);// 'nan'
*/
function CustomGetTypeOf(obj) {
if (Number.isNaN(obj) && isNaN(obj)) return 'nan';
return Object.prototype.toString.call(obj).slice(8, -1).toLowerCase();
}
// convert #hex notation to rgb array
var parseColor = function parseColor(hexStr) {
return hexStr.length === 4 ? hexStr.substr(1).split('').map(function (s) {
return 0x11 * parseInt(s, 16);
}) : [hexStr.substr(1, 2), hexStr.substr(3, 2), hexStr.substr(5, 2)].map(function (s) {
return parseInt(s, 16);
});
};
var pad = function pad(s) {
return s.length === 1 ? '0' + s : s;
};
/**
* 渐变色数组
* @param {string} start 开始颜色(16进制)
* @param {string} end 结束颜色(16进制)
* @param {number} steps 分解次数
* @param {number} gamma 透明度
* @returns {array} 颜色的渐变色数组
*/
/**
CustomGradientColors('#00ff00', '#ff0000', 0); // []
CustomGradientColors('#00ff00', '#ff0000', 1); // ['#00ff00']
CustomGradientColors('#00ff00', '#ff0000', 4); // ['#00ff00', '#55aa00', '#aa5500', '#ff0000']
CustomGradientColors('#000', '#fff', 3, 2.2); // ['#000000', '#bababa', '#ffffff']
*/
function CustomGradientColors(start, end, steps, gamma) {
if (steps === 0) {
return [];
} else if (steps === 1) {
return [start];
}
var i,
j,
ms,
me,
output = [],
so = [];
gamma = gamma || 1;
var normalize = function normalize(channel) {
return Math.pow(channel / 255, gamma);
};
start = parseColor(start).map(normalize);
end = parseColor(end).map(normalize);
for (i = 0; i < steps; i++) {
ms = i / (steps - 1);
me = 1 - ms;
for (j = 0; j < 3; j++) {
so[j] = pad(Math.round(Math.pow(start[j] * me + end[j] * ms, 1 / gamma) * 255).toString(16));
}
output.push('#' + so.join(''));
}
return output;
}
/**
* 密码校验
* 规则：8-12位，包含大小写字母、数字、特殊字符
* @param {string} val
* @returns {obj} isTrue:是否通过 message:提示信息
*/
/*
CustomPasswordVerifiersFn('11111111');// {isTrue:false,message: '...'}
CustomPasswordVerifiersFn('Abcde');// {isTrue:false,message: '...'}
CustomPasswordVerifiersFn('Abcdefghigklmn');// {isTrue:false,message: '...'}
CustomPasswordVerifiersFn('Abcde123');// {isTrue:false,message: '...'}
CustomPasswordVerifiersFn('Abcdefg!');// {isTrue:false,message: '...'}
CustomPasswordVerifiersFn('abcdefg1!');// {isTrue:false,message: '...'}
CustomPasswordVerifiersFn('Abcde12!');// {isTrue:true,message: '验证通过'}
*/
function CustomPasswordVerifiersFn(val) {
var valArr = val.split('');
var illegalStr = []; // 非法字符有哪些
var verification1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var verification2 = "abcdefghijklmnopqrstuvwxyz";
var verification3 = "0123456789";
var verification4 = "!@#$&*.";
var verificatType1 = []; // 大写字母收集
var verificatType2 = []; // 小写字母收集
var verificatType3 = []; // 数字类型收集
var verificatType4 = []; // 特殊字母收集
var verificationStr = verification1.concat(verification2).concat(verification3).concat(verification4);
valArr.forEach(function (item) {
if (verificationStr.includes(item)) {
if (verification1.includes(item)) {
verificatType1.push(item);
} else if (verification2.includes(item)) {
verificatType2.push(item);
} else if (verification3.includes(item)) {
verificatType3.push(item);
} else if (verification4.includes(item)) {
verificatType4.push(item);
}
} else {
illegalStr.push(item);
}
});
var signArr = [];
valArr.length < 8 && signArr.push('密码长度小于8位');
valArr.length > 12 && signArr.push('密码长度大于12位');
!verificatType1.length && signArr.push('未包含大写字母');
!verificatType2.length && signArr.push('未包含小写字母');
!verificatType3.length && signArr.push('未包含数字');
!verificatType4.length && signArr.push('未包含特殊符号');
illegalStr.length && signArr.push("\u5305\u542B\u672A\u6307\u5B9A\u5B57\u7B26\uFF1A".concat(signArr.join('')));
if (signArr.length) {
signArr.unshift('密码校验存在以下问题：');
signArr.push('');
signArr.push('温馨提示：');
signArr.push('密码规则：8-12位，包含大小写字母、数字、特殊符号');
signArr.push("\u5927\u5199\u5B57\u6BCD\u53D6\u503C\u8303\u56F4\uFF1A".concat(verification1));
signArr.push("\u5C0F\u5199\u5B57\u6BCD\u53D6\u503C\u8303\u56F4\uFF1A".concat(verification2));
signArr.push("\u6570\u5B57\u53D6\u503C\u8303\u56F4\uFF1A".concat(verification3));
signArr.push("\u7279\u6B8A\u7B26\u53F7\u53D6\u503C\u8303\u56F4\uFF1A".concat(verification4));
return {
isTrue: false,
message: signArr.join('\n')
};
} else {
return {
isTrue: true,
message: '验证通过'
};
}
}
/**
* 自定义节流函数
* @param {Function} func - 需要节流的函数
* @param {number} delay - 节流时间间隔
* @returns {Function} - 节流后的函数
*/
/**
function testThrottle() {
function printTime() {
console.log(new Date().getTime());
}
const throttledPrintTime = CustomThrottle(printTime, 1000);
setInterval(throttledPrintTime, 100);
}
testThrottle();
*/
function CustomThrottle(func, delay) {
var last = 0;
return function () {
var now = new Date().getTime();
if (now - last < delay) {
return;
}
last = now;
func.apply(void 0, arguments);
};
}
/**
* 获取地址栏参数
* @param {string} name 获取的字段
* @returns {string} 参数信息
*/
/**
https://www.baidu.com/s?wd=boxue url
CustomUrlParam('wd');// boxue
CustomUrlParam('id');// null
*/
function CustomUrlParam(name) {
var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)'); //构造一个含有目标参数的正则表达式对象
var r = window.location.search.substr(1).match(reg); //匹配目标参数
if (r != null) return unescape(r[2]);
return null; //返回参数值
}
/**
* 验证邮箱
* @param {string} email
* @returns
*/
/**
validateEmail('example@mail.com'); // true
validateEmail('example@mail'); // false
validateEmail('example@mail.'); // false
validateEmail('example@mail..com'); // false
validateEmail('example@mail.com '); // false
validateEmail(' example@mail.com'); // false
*/
function CustomValidateEmail(email) {
var emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
return emailRegex.test(email);
}
/**
* 验证手机号
* @param {string} phoneNumber
* @returns
*/
/**
CustomValidatePhone('13912345678');// true
CustomValidatePhone('18888888888');// true
CustomValidatePhone('13567891234');// true
CustomValidatePhone('12345678901');// false
CustomValidatePhone('2345678901');// false
CustomValidatePhone('1391234567');// false
*/
function CustomValidatePhone(phoneNumber) {
var regex = /^1[3456789]\d{9}$/;
return regex.test(phoneNumber);
}
var _typeof_1 = createCommonjsModule(function (module) {
function _typeof(obj) {
"@babel/helpers - typeof";
return (module.exports = _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
}, module.exports.__esModule = true, module.exports["default"] = module.exports), _typeof(obj);
}
module.exports = _typeof, module.exports.__esModule = true, module.exports["default"] = module.exports;
});
var _typeof = unwrapExports(_typeof_1);
/**
* 网页添加水印
*/
/**
CustomWatermark('张三')
CustomWatermark({
waterText: '张三', // 水印文字
positionTop: '100px',
positionleft: '100px',
});
let watermark = new CustomWatermark('医保支付');
watermark.destroyed();// 销毁
*/
//声明
var watermark = {};
//水印配置
var setWatermark = function setWatermark(params) {
// 水印参数
var watermarkParameters = {
waterText: '',
// 水印文字
waterTextColor: '#EBEBEB',
// 水印文字颜色
waterTextFontSize: 20,
// number,水印文字大小
waterElID: 'CustomWater-' + '1.23452384164.123412415',
// 水印挂载的id,【需以CustomWater-开头】
waterAreaWidth: document.documentElement.clientWidth,
// number,水印区域宽度
waterAreaHeight: document.documentElement.clientHeight,
// number,水印区域高度
waterAreaPosition: 'fixed',
waterAreazIndex: '9999999',
waterMountElement: document.body,
waterAreaOpacity: 0.2,
waterAreaRotate: -20 * Math.PI / 150,
// 水印的旋转角度
singleWidth: 200,
// 需大于文字的宽度
singleHeight: 200,
// 需大于文字所需要的高度
positionTop: '0px',
positionleft: '0px'
};
if (typeof params === 'string') {
watermarkParameters.waterText = params;
} else if (_typeof(params) === 'object') {
watermarkParameters = Object.assign({}, watermarkParameters, params);
} else {
return false;
}
var CanvasID = watermarkParameters.waterElID;
if (!CanvasID.startsWith('CustomWater')) {
CanvasID = 'CustomWater-' + CanvasID;
}
// 移除旧水印
if (document.getElementById(CanvasID) !== null) {
document.body.removeChild(document.getElementById(CanvasID));
}
//创建画布
var createCanvas = document.createElement('canvas');
// 设置canvas画布大小
var actualNeedsWdith = 20 * watermarkParameters.waterText.length;
watermarkParameters.singleWidth = Math.max(watermarkParameters.singleWidth, actualNeedsWdith);
var actualNeedsHeight = 18 * watermarkParameters.waterText.length;
watermarkParameters.singleHeight = Math.max(watermarkParameters.singleHeight, actualNeedsHeight);
createCanvas.width = watermarkParameters.singleWidth; //宽度
createCanvas.height = watermarkParameters.singleHeight; //高度
//创建Context2D对象作为2D渲染的上下文。
var Context2D = createCanvas.getContext('2d');
/*水印样式调整配置*/
Context2D.rotate(watermarkParameters.waterAreaRotate); // 水印旋转角度
Context2D.fillStyle = watermarkParameters.waterTextColor; //浅色模式或后台
Context2D.font = watermarkParameters.waterTextFontSize + 'px Vedana'; //水印文字大小
Context2D.textAlign = 'center'; //水印水平位置
Context2D.textBaseline = 'alphabetic'; //水印垂直位置
Context2D.fillText(watermarkParameters.waterText, createCanvas.width / 3, createCanvas.height / 2);
//创建元素
var createDiv = document.createElement('div');
createDiv.id = CanvasID;
//水印默认设置
createDiv.style.opacity = watermarkParameters.waterAreaOpacity;
createDiv.style.pointerEvents = 'none'; //水印层事件穿透 让水印不阻止交互事件
createDiv.style.top = watermarkParameters.positionTop; //水印顶部距离
createDiv.style.left = watermarkParameters.positionleft; //水印左侧距离
createDiv.style.position = watermarkParameters.waterAreaPosition; //水印定位
createDiv.style.zIndex = watermarkParameters.waterAreazIndex; //水印样式优先显示
createDiv.style.width = watermarkParameters.waterAreaWidth + 'px'; //水印宽度
createDiv.style.height = watermarkParameters.waterAreaHeight + 'px'; //水印高度
createDiv.style.background = 'url(' + createCanvas.toDataURL('image/png') + ') left top repeat'; //水印显示(关键代码)
watermarkParameters.waterMountElement.appendChild(createDiv); //在指定元素节点的最后一个子节点之后添加节点
return CanvasID;
};
// function resizeHandler() {
// setWatermark(params);
// }
// 此方法只允许调用一次
watermark.set = function (params) {
var id = setWatermark(params);
//设置间隔
var timer = setInterval(function () {
if (document.getElementById(id) === null) {
id = setWatermark(params);
} else {
clearTimeout(timer);
}
}, 500);
//改变大小时执行
window.onresize = function () {
setWatermark(params);
};
// window.addEventListener('resize', resizeHandler);
};
function CustomWatermark(params) {
watermark.set(params);
}
// 移除销毁元素
CustomWatermark.prototype.destroyed = function () {
var CustomWaterEls = document.querySelectorAll('[id^="CustomWater-"]');
for (var i = 0; i < CustomWaterEls.length; i++) {
CustomWaterEls[i].remove();
}
// window.removeEventListener('resize', resizeHandler);
};
/**
* 判断一个数组是否是正序的二维数组
* @param {*} arr
* @returns {boolean}
*/
function IsAscendingOrderArr() {
var arr = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
if (!arr.length) return false;
var flag = true;
arr.forEach(function (item) {
var flag_01 = CustomGetTypeOf(item[0]) === 'number';
var flag_02 = CustomGetTypeOf(item[1]) === 'number';
var flag_03 = Number.isInteger(item[0]) && item[0] > -1;
var flag_04 = Number.isInteger(item[1]) && item[1] > -1;
var flag_05 = item[0] <= item[1];
if (!(flag_01 && flag_02 && flag_03 && flag_04 && flag_05)) {
flag = false;
}
});
return flag;
}
/**
* 判断是否一维数字数组
* @param {array} arr
* @returns {boolean}
*/
function OnedimensionalNumberArray() {
var arr = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
if (!arr.length) return false;
var flag = true;
arr.forEach(function (item) {
var flag_01 = CustomGetTypeOf(item) === 'number';
var flag_02 = Number.isInteger(item); // 判断是否是整数
var flag_03 = item > -1;
if (!(flag_01 && flag_02 && flag_03)) {
flag = false;
}
});
return flag;
}
/**
* 字符串处理的通用函数
* @param {string} processStr -- 传入的字符串
* @param {number,array} param_1
* @param {nunber,string} param_2
* @param {nunber} param_3
* @returns {string}
*/
/*
// 动态替换索引位置的字符
CustomHideStrGeneral('abcdefghijklmn',[0,1,4,5,6],'x');// '$$cd$$$hijklmn'
// 替换连续位置的字符
CustomHideStrGeneral('abcdefghijklmn',1,5,'x');// 'a$$$$$ghijklmn'
// 替换分段索引位置的字符
CustomHideStrGeneral('abcdefghijklmn',[[0,2],[4,6]],'x');// '$$$d$$$hijklmn'
*/
function CustomHideStrGeneral() {
var processStr = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
var param_1 = arguments.length > 1 ? arguments[1] : undefined;
var param_2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '*';
var param_3 = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : '*';
try {
if (CustomGetTypeOf(processStr) !== 'string') {
throw new Error('请传入字符串');
}
if (!processStr.length) {
return processStr;
}
if (CustomGetTypeOf(param_1) === 'array') {
if (OnedimensionalNumberArray(param_1)) {
// 纯一维数字数组
return processStr.split('').reduce(function (prev, item, index) {
return prev += param_1.includes(index) ? param_2 : item;
}, '');
} else if (IsAscendingOrderArr(param_1)) {
// 纯二维数字数组
param_1.forEach(function (item_01) {
processStr = processStr.split('').reduce(function (prev, item_02, index) {
return prev += item_01[0] <= index && index <= item_01[1] ? param_2 : item_02;
}, '');
});
return processStr;
} else {
throw new Error('请检查数组格式');
}
} else if (CustomGetTypeOf(param_1) === 'number') {
var flag_01 = Number.isInteger(param_1); // 判断是否是整数
var flag_02 = Number.isInteger(param_2); // 判断是否是整数
if (CustomGetTypeOf(param_2) === 'number' && flag_01 && flag_02) {
if (param_1 > param_2) {
throw new Error('字符串截取开始位置不能大于结束位置');
}
param_1 = param_1 > 0 ? param_1 : 0;
param_2 = param_2 > processStr.length ? processStr.length : param_2;
return processStr.split('').reduce(function (prev, item, index) {
return prev += param_1 <= index && index <= param_2 ? param_3 : item;
}, '');
} else {
throw new Error('第二个参数、第三个参数需为非负整数');
}
} else {
return processStr;
}
} catch (err) {
console.log(err);
}
}
/**
* 姓名脱敏
* 规则：整体保持前一后一，其它隐藏
* @param {string} nameStr 传入的姓名
* @param {string} character 要替换的字符，默认是*
* @returns {string} 返回替换后的姓名
*/
/**
let obj = { a: null, b: undefined };
CustomPersonNameFn(null,'*');// ''
CustomPersonNameFn(undefined,'*');// ''
CustomPersonNameFn(obj.a,'*');// ''
CustomPersonNameFn(obj.b,'*');// ''
CustomPersonNameFn('','*');// ''
CustomPersonNameFn('王','*');// '王'
CustomPersonNameFn('王三','*');// '王*'
CustomPersonNameFn('王老七','*')