| 1 | import * as xml2js from 'xml2js'; |
| 2 | // 公共工具类 |
| 3 | export class CommonUtils { |
| 4 | /** |
| 5 | * 成功返回 |
| 6 | * @param msg |
| 7 | * @param data |
| 8 | * @returns {string} |
| 9 | */ |
| 10 | static success(msg = '', data = null) { |
| 11 | return JSON.stringify({ |
| 12 | code: 1, |
| 13 | msg: msg, |
| 14 | data: data, |
| 15 | }); |
| 16 | } |
| 17 | |
| 18 | /** |
| 19 | * 错误返回 |
| 20 | */ |
| 21 | static error(msg = '', data = null) { |
| 22 | return JSON.stringify({ |
| 23 | code: 0, |
| 24 | msg: msg, |
| 25 | data: data, |
| 26 | }); |
| 27 | } |
| 28 | |
| 29 | /** |
| 30 | * cookie字符串或对象转String |
| 31 | */ |
| 32 | static convertCookieToJson(cookieJson: any) { |
| 33 | if (typeof cookieJson === 'string') { |
| 34 | cookieJson = JSON.parse(cookieJson); |
| 35 | } |
| 36 | let cookieStr = ''; |
| 37 | cookieJson.forEach((cookie: any) => { |
| 38 | cookieStr += `${cookie.name}=${cookie.value}; `; |
| 39 | }); |
| 40 | return cookieStr; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * 睡眠指定时长 |
| 45 | */ |
| 46 | static waitFor(time: number) { |
| 47 | return new Promise((resolve) => { |
| 48 | setTimeout(() => { |
| 49 | resolve(true); |
| 50 | }, time); |
| 51 | }); |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * 判断字符串是否是Json字符串 |
| 56 | */ |
| 57 | static isJsonString(str: string) { |
| 58 | if (typeof str == 'string') { |
| 59 | try { |
| 60 | const obj = JSON.parse(str); |
| 61 | return !!(typeof obj === 'object' && obj); |
| 62 | } catch (e) { |
| 63 | return false; |
| 64 | } |
| 65 | } else { |
| 66 | return false; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * 转换xml为json对象 |
| 72 | */ |
| 73 | static xml2json(xml: any) { |
| 74 | return new Promise((resolve, reject) => { |
| 75 | const parser = new xml2js.Parser(); |
| 76 | parser.parseString(xml, (err, result) => { |
| 77 | if (err) { |
| 78 | reject(err); |
| 79 | } else { |
| 80 | resolve(result); |
| 81 | } |
| 82 | }); |
| 83 | }); |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * 转换json对象为xml |
| 88 | */ |
| 89 | static json2xml(json: object) { |
| 90 | return new Promise((resolve, reject) => { |
| 91 | try { |
| 92 | const builder = new xml2js.Builder({ |
| 93 | rootName: 'CompleteMultipartUpload', |
| 94 | }); |
| 95 | const xml = builder.buildObject(json); |
| 96 | resolve(xml); |
| 97 | } catch (err) { |
| 98 | reject(err); |
| 99 | } |
| 100 | }); |
| 101 | } |
| 102 | |
| 103 | static buildUrl(baseUrl: string, params: any) { |
| 104 | const url = new URL(baseUrl); |
| 105 | Object.keys(params).forEach((key) => { |
| 106 | if ( |
| 107 | params[key] !== undefined && |
| 108 | params[key] !== null && |
| 109 | params[key] !== '' |
| 110 | ) { |
| 111 | url.searchParams.append(key, params[key]); |
| 112 | } |
| 113 | }); |
| 114 | // console.log('url:', url.toString()); |
| 115 | return url.toString(); |
| 116 | } |
| 117 | } |
| 118 |