1、前言:
在vue中如果想要操作cookie,除了使用之前我们自己封装好的操作cookie的方法之外,我们还可以使用vue-cookies插件,这是一个简单的Vue.js插件,专门用于在vue中处理浏览器的cookie操作,vue-cookies没有依赖关系,它可以独立存在,对vuejs友好。本篇博文就来介绍如何使用vue-cookies插件。
2.安装vue-cookies
npm install vue-cookies --save3.引入vue-cookies
安装完毕后,我们需要在vue项目中明确引入vue-cookies。
import Vue from 'vue'
import VueCookies from 'vue-cookies'
Vue.use(VueCookies) 4.API
4.API
-设置全局配置,设置cookie过期时间和url
this.$cookies.config(expireTimes[,path])  // default: expireTimes = 1d , path=/-设置一个cookie
this.$cookies.set(keyName, value[, expireTimes[, path[, domain[, secure]]]])   //return this-获取一个cookie
this.$cookies.get(keyName)       // return value   -删除一个cookie
this.$cookies.remove(keyName [, path [, domain]])   // return this
//例如:that.$cookies.remove("CHOOSE","/",'.xxx.com')-检查某个 cookie name是否存在
this.$cookies.isKey(keyName)        // return false or true
-获取所有 cookie name,以数组形式返回
this.$cookies.keys()  // return a array5.设置cookie过期时间
5.1全局设置
// 30天后过期
this.$cookies.config('30d')
this.$cookies.config(new Date(2019,03,13).toUTCString())
this.$cookies.config(60 * 60 * 24 * 30,'');
// window object
window.$cookies.config('30d')5.2单个name设置
//不写过期时间,默认为1天过期
this.$cookies.set("user_session","25j_7Sl6xDq2Kc3ym0fmrSSk2xV2XkUkX")
// 1天过期,忽略大小写
this.$cookies.set("user_session","25j_7Sl6xDq2Kc3ym0fmrSSk2xV2XkUkX","1d")
this.$cookies.set("user_session","25j_7Sl6xDq2Kc3ym0fmrSSk2xV2XkUkX","1D")
// 以秒为单位,设置1天过去
this.$cookies.set("user_session","25j_7Sl6xDq2Kc3ym0fmrSSk2xV2XkUkX",60 * 60 * 24)
// 填写Date对象,明确指定过期时间
this.$cookies.set("user_session","25j_7Sl6xDq2Kc3ym0fmrSSk2xV2XkUkX", new Date(2017, 03, 12))
// 填写一个时间字符串,指定过期时间
this.$cookies.set("user_session","25j_7Sl6xDq2Kc3ym0fmrSSk2xV2XkUkX", "Sat, 13 Mar 2017 12:25:57 GMT")
//浏览器会话结束时过期
this.$cookies.set("default_unit_second","input_value","0");
 
//永不过期
this.$cookies.set("default_unit_second","input_value",-1); 
5.3字符串单位形式设置
设置过期时间,输入字符串类型(字符均忽略大小写):
| Unit | full name | 
| y | year | 
| m | month | 
| d | day | 
| h | hour | 
| min | minute | 
| s | second | 
this.$cookies.set("token","GH1.1.1689020474.1484362313","60s");  // 60秒后过去
this.$cookies.set("token","GH1.1.1689020474.1484362313","30MIN");  // 30分钟后过去
this.$cookies.set("token","GH1.1.1689020474.1484362313","24d");  // 24天后过期
this.$cookies.set("token","GH1.1.1689020474.1484362313","4m");  // 4个月后过期
this.$cookies.set("token","GH1.1.1689020474.1484362313","16h");  // 16小时后过期
this.$cookies.set("token","GH1.1.1689020474.1484362313","3y");  // 3年后过期6.其他操作
// set path
this.$cookies.set("use_path_argument","value","1d","/app");  
// set domain
this.$cookies.set("use_path_argument","value",null, null, "domain.com");  
// set secure
this.$cookies.set("use_path_argument","value",null, null, null,true);**遇到的问题
1、this.$cookies.get(‘CHOOSEJWTTOKEN’)为什么取不到值?
重点排除一下:如果cookie中设置了HttpOnly,那么通过js脚本将无法读取cookie信息。(这样能有效的防止XSS攻击,窃取cookie内容,但即便这样,也不建议将重要的信息存入cookie。)
//使用vue-cookies操作cookie的部分code
	if(uni.getStorageSync('storage_token') == false){
		if(this.$cookies.get('CHOOSEJWTTOKEN')){
			 uni.setStorageSync('storage_token',
       this.$cookies.get('CHOOSEJWTTOKEN'));
		}		
	}
	//end