下边是我简单封装的几个cookie方法。

Utils.ts

/**
 * 自定义公共函数
 */
const utils = 
{
    
    
/**
     * @name: 设置cookie值
     * @author: camellia
     * @date: 2020-12-28 
     * @param:  cname   string  cookie名称
     * @param:  cvalue  any cookie值
     * @param:  exdays  number  cookie保存天数
     */
    setCookie(cname:string, cvalue:any, exdays = 720) 
    {
    
    
        var d = new Date();
        d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
        var expires = "expires=" + d.toUTCString();
        document.cookie = cname + "=" + cvalue + "; " + expires;
    },
    /**
     * @name: 获取cookie值
     * @author: camellia
     * @date: 2020-12-28 
     */
    getCookie(cname:string) {
    
    
        var name = cname + "=";
        var ca = document.cookie.split(';');
        for (var i = 0; i < ca.length; i++) {
    
    
            var c = ca[i];
            while (c.charAt(0) == ' ') c = c.substring(1);
            if (c.indexOf(name) != -1) {
    
    
                return c.substring(name.length, c.length);
            }
        }
        return "";
    },
    /**
     * @name: 清除cookie值
     * @author: camellia
     * @date: 2020-12-28 
     * @param:  cname   string  cookie名称
     */
    clearCookie(cname:string) {
    
    
        var d = new Date();
        d.setTime(-1);
        var expires = "expires=" + d.toUTCString();
        document.cookie = cname + "=''; " + expires;
},
}
export default utils;

调用：

// 引入公共js文件
import utils from "utils.js";
// 设置cookie
utils.setCookie(‘index’,1);
// 获取cookie
utils.getCookie(‘index’);
// 设置cookie
utils.clearCookie(‘index’);

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