/** * @Author: Gongxh * @Date: 2025-04-11 * @Description: */ export class Utils { /** * 版本号比较 * @param version1 本地版本号 * @param version2 远程版本号 * 如果返回值大于0,则version1大于version2 * 如果返回值等于0,则version1等于version2 * 如果返回值小于0,则version1小于version2 */ public static compareVersion(version1: string, version2: string): number { let v1 = version1.split('.'); let v2 = version2.split('.'); const len = Math.max(v1.length, v2.length); while (v1.length < len) { v1.push('0'); } while (v2.length < len) { v2.push('0'); } for (let i = 0; i < len; ++i) { let num1 = parseInt(v1[i]); let num2 = parseInt(v2[i]); if (num1 > num2) { return 1; } else if (num1 < num2) { return -1; } } return 0; } /** * 判断传入的字符串是否是json格式的字符串 */ public static isJsonString(str: string): boolean { try { JSON.parse(str); return true; } catch (e) { return false; } } }