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jeasy

v0.0.16

Published

javascript easy tool

Downloads

11

Readme

jeasy

javascript easy tool

Build Status npm version npm downloads coverage

安装

npm install jeasy --save

方法介绍

Date 日期相关

jeasy.moment() 日期函数

jeasy.moment并不对时区进行处理,如果有需要使用时区的请直接使用moment库。

// number格式的年月日
jeasy.moment(19880102);

// string格式的年月日
jeasy.moment('19880102');

// 使用`/`相隔的字符串
jeasy.moment('1988/01/02 12:12:22');

// 使作`-`相隔的字符串
jeasy.moment('1988-01-02 12:12:22');

// 时间戳
jeasy.moment(1547285063173);

// format
jeasy.moment(1547285063173).format("YYYY-MM-DD"); // 2019-01-12
jeasy.moment(1547285063173).format("YYYY年MM月DD日"); // 2019年01月12日
jeasy.moment(1547285063173).format("YYYY-MM-DD HH:mm:ss"); // 2019-01-12 17:24:23

// 获取年月日
jeasy.moment(1547285063173).fullYear; // 2019
jeasy.moment(1547285063173).year; // 19
jeasy.moment(1547285063173).month; // 1
jeasy.moment(1547285063173).date; // 12

// 获取时分秒
jeasy.moment(1547285063173).hour; // 17
jeasy.moment(1547285063173).minute; // 24
jeasy.moment(1547285063173).second; // 23

// 获取周
jeasy.moment(1547285063173).day; // 6

// 指定时区获取格式为 2019-01-12 17:24:23 的字符串
jeasy.moment(1547285063173, 8).format("YYYY-MM-DD HH:mm:ss"); // 2019-01-12 17:24:23

Object 对象与JSON相关

jeasy.equal(object1, object2) 验证两个Object是否相同

// 验证对象
let o1 = {name: 'baukh', age: 31};
let o2 = {name: 'baukh', age: 31};
let o3 = {name: 'kouzi', age: 28};
jeasy.equal(o1, o2); // true
jeasy.equal(o1, o3); // false

// 验证字符串
jeasy.equal('baukh', 'baukh'); // true

// 验证数组
let a1 = [1, 2, 3];
let a2 = [1, 2, 3];
let a3 = [3, 2, 1];
jeasy.equal(a1, a2); // true
jeasy.equal(a1, a3); // false

jeasy.index(array, object) 获取Array中Object的索引

let o1 = {name: 'cc', age: 31};
let o2 = {name: 'kouzi', age: 31};
let o3 = {name: 'baukh', age: 31};
let arr = [{name: 'baukh', age: 31}, {name: 'cc', age: 31}];
jeasy.index(arr, o1); // 1
jeasy.index(arr, o2); // -1
jeasy.index(arr, o3); // 0

jeasy.find(array, key, value) 通过指定字段筛选Array

const arr = [{name: 'baukh', age: 31}, {name: 'cc', age: 30}, {name: 'kouz', age: 29}, {name: 'rabbit', age: 28}];
jeasy.find(arr, 'name', 'baukh'); // [{name: 'baukh', age: 31}]
jeasy.find(arr, 'age', 29); // [{name: 'kouz', age: 29}]
jeasy.find(arr, 'age', 33); // []

jeasy.clone(obj) clone 对象

对 JSON.stringify 存在丢失的类型(如function)不作处理。

let o1 = {name: 'cc', age: 31}; let o2 = jeasy.clone(o1); o1.name; // cc o1 === o2; // false

jeasy.isEmpty(obj) 检测是否为空对象

let o1 = {name: 'cc', age: 31};
let o2 = {};
jeasy.isEmpty(o1); // false
jeasy.isEmpty(o2); // true

jeasy.type(value) 获取传参的类型

jeasy.type(undefined); //undefined
jeasy.type(null); // null
jeasy.type(true); // boolean
jeasy.type(Boolean()); // boolean
jeasy.type(123); // number
jeasy.type(Number(123)); // number
jeasy.type('123'); // string
jeasy.type(String('123')); // string
jeasy.type(() => {}); // function
jeasy.type([]); // array
jeasy.type(new Array(1)); // array
jeasy.type(new Date()); // date
jeasy.type(Error()); // error
jeasy.type(/test/); // regexp
jeasy.type(document.body); // element
jeasy.type(nodeList); // nodeList
jeasy.type(divEle); // element

jeasy.trim(json, deep) 传入为字符串时: 清除前后空格; 传入为JSON时: 通过第二个参数指定是否递归清除为[null, undefined]的字段, 不会修改原对象

// 传参为对象
let o = {name: 'kouzi', age: 28, like: null, title: undefined, gender: 0};
jeasy.trim(o); // {name: 'kouzi', age: 28, gender: 0}

// 传参为字符串
let o = '  baukh  ';
jeasy.trim(o); // baukh

// 递归清除JSON中为[null, undefined]的字段
let o = {
    a: 1,
    b: null,
    c: undefined,
    d: '',
    e: [{
        a: 1,
        b: null,
        c: undefined,
        d: ''
    }],
    f: {
        a: 1,
        b: null,
        c: undefined,
        d: ''
    }
};
jeasy.trim(o, true);
/* 
{
   a: 1,
   d: '',
   e: [{
       a: 1,
       d: ''
   }],
   f: {
       a: 1,
       d: ''
   }
}
*/

jeasy.toQueryString(formData) Object转换为queryString

// 传参为常规json
jeasy.toQueryString({ name:'zhangsan', age: 12 }); // 'name=zhangsan&age=12'

// 传参存在空值的json
jeasy.toQueryString({ name:'zhangsan', age: '' }); // 'name=zhangsan&age='

// 传参存在null值和对象的json
jeasy.toQueryString({ name: 'zhangsan', params: { name: 'zhangsan', age: 12 }, page: { currentPage: 1, pageSize: 10 }, other: null });
// => 'name=zhangsan&params={"name":"zhangsan","age":12}&page={"currentPage":1,"pageSize":10}&other=null'

String 字符串相关

jeasy.toHump(str) 连字符转驼峰

jeasy.toHump('font-size'); //fontSize

jeasy.toHyphen(str); 驼峰转连字符

jeasy.toHyphen('FontSize'); // -font-size

jeasy.toFormData(str) queryString的形式解析成对象

// 常规值
jeasy.toFormData('name=zhangsan&age=22&gender=male') //{name:'zhangsan', age: '22', gender:'male'}

// 首字符为?号型式
jeasy.toFormData('?name=zhangsan&age=22&gender=male') //{name:'zhangsan', age: '22', gender:'male'}

// 包含空值
jeasy.toFormData('name=zhangsan&birth=') //{name:'zhangsan', birth:''}

// 包含类对像值
jeasy.toFormData('name=zhangsan&other={gender: "male"}') //{name:'zhangsan', other: "{gender: \"male\"}"}}

Text 文本相关

jeasy.copyText(str) 将文本放粘贴板

jeasy.copyText('font-size'); // 粘贴板中的值为font-size

jeasy.getTextWidth(text) 获取文本所占宽度

// 需要注意: 获取的宽度与当前document.body上所设置的`font-size`, `font-weight`, `font-family`有关。
document.body.style.fontSize = '12px';
document.body.style.fontFamily = 'Tahoma';
document.body.style.fontWeight = '400';

jeasy.getTextWidth('aaa'); // 18
jeasy.getTextWidth('测试宽度'); // 48

Number 数字相关

jeasy.toPercentile(value, decimal, fixed) 浮点数转换百分位

// @param value: 需要转换的数值
// @param decimal: 保留小数点位数
// @param fixed: 是否强制保留decimal指定的位数
// @returns {*}: 返回百分位格式的字符串
jeasy.toPercentile(0.1230123, 1); // '12.3%'
jeasy.toPercentile(0.1230123, 2); // '12.30%'
jeasy.toPercentile(0.1230123, 2, false); // '12.3%'

jeasy.toThousands(value, decimal, fixed) 浮点数转换千分位

// @param value: 需要转换的数值
// @param decimal: 保留小数点位数
// @param fixed: 是否强制保留decimal指定的位数
// @returns {*}: 返回千分位格式的字符串
jeasy.toThousands(value, 1); // '123.0‰'
jeasy.toThousands(value, 1, false); // '123‰'
jeasy.toThousands(value, 2); // '123.01‰'
jeasy.toThousands(value, 2, false); // '123.01‰'

File 文件相关

jeasy.download(response, fileName);

// @param response: 通过后端接口返回二进制流(blob)。response允许两种格式: 1.blob; 2.{data: blob};
// @param fileName: 文件名称
jeasy.download(response, fileName); // 文件下载

License