mirror of
https://github.com/Gongxh0901/kunpolibrary
synced 2025-04-22 03:18:41 +00:00
50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
/**
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* @Author: Gongxh
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* @Date: 2025-04-11
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* @Description:
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*/
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export class Utils {
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/**
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* 版本号比较
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* @param version1 本地版本号
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* @param version2 远程版本号
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* 如果返回值大于0,则version1大于version2
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* 如果返回值等于0,则version1等于version2
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* 如果返回值小于0,则version1小于version2
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*/
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public static compareVersion(version1: string, version2: string): number {
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let v1 = version1.split('.');
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let v2 = version2.split('.');
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const len = Math.max(v1.length, v2.length);
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while (v1.length < len) {
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v1.push('0');
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}
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while (v2.length < len) {
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v2.push('0');
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}
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for (let i = 0; i < len; ++i) {
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let num1 = parseInt(v1[i]);
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let num2 = parseInt(v2[i]);
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if (num1 > num2) {
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return 1;
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} else if (num1 < num2) {
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return -1;
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}
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}
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return 0;
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}
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/**
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* 判断传入的字符串是否是json格式的字符串
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*/
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public static isJsonString(str: string): boolean {
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try {
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JSON.parse(str);
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return true;
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} catch (e) {
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return false;
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}
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}
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} |