<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[无聊猿的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/luxiahongyi</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; luxiahongyi]]></copyright><item><title><![CDATA[nodejs sequelize无法连接数据库]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/123747463</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/123747463</guid><author>luxiahongyi</author><pubDate>Fri, 25 Mar 2022 22:47:21 +0800</pubDate><description><![CDATA[问题

分析问题
大致意思是用户wlxy访问localhost地址的数据库时被拒绝了。
但是数据库我已经建好了，用户名和密码也设置了，就是死活连不上。
解决问题
1、mysql 中查看wlxy用户是否确实存在
命令行工具
mysql -u root -p

输入数据库密码，进入mysql
2、查看用户信息
SELECT user,host FROM mysql.user;

结果一看，真没有wlxy这个用户。
那就创建用户吧，结果发现mysql 8.0版本的创建和之前的不一样
3、创建
create use]]></description><category></category></item><item><title><![CDATA[微信发现一个BUG，可引起闪退]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/123700534</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/123700534</guid><author>luxiahongyi</author><pubDate>Thu, 24 Mar 2022 00:38:11 +0800</pubDate><description><![CDATA[最近做调试时，无意发现微信的一个bug
代码如下：

闪退如下：

微信版本如下：

手机为：
iPhone  Xs
系统版本为：
15.2

]]></description><category></category></item><item><title><![CDATA[egg启动时，报错：Ignoring invalid timezone passed to Connection的解决方案]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/123621628</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/123621628</guid><author>luxiahongyi</author><pubDate>Sun, 20 Mar 2022 21:15:10 +0800</pubDate><description><![CDATA[Ignoring invalid timezone passed to Connection: +8:00. This is currently a warning, but in future versions of MySQL2, an error will be thrown if you pass an invalid configuration option to a Connection]]></description><category></category></item><item><title><![CDATA[简单的js轮询]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/123539838</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/123539838</guid><author>luxiahongyi</author><pubDate>Wed, 16 Mar 2022 23:55:49 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[egg-jwt的使用]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/123512368</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/123512368</guid><author>luxiahongyi</author><pubDate>Tue, 15 Mar 2022 21:08:35 +0800</pubDate><description><![CDATA[安装
npm install egg-jwt --save

配置
// config/config.default.js
config.jwt = {
    secret: 'zidingyi', // 自定义 token 的加密条件字符串
  };

// config/plugin.js
  jwt: {
    enable: true,
    package: 'egg-jwt',
  },

使用

生成token

 // login.js
 const token = ctx.app.j]]></description><category></category></item><item><title><![CDATA[解决 Vue 项目 invalid host header 问题（两种方案）]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/123489141</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/123489141</guid><author>luxiahongyi</author><pubDate>Mon, 14 Mar 2022 21:32:13 +0800</pubDate><description><![CDATA[问题出现背景
做微信H5网页时，使用花生壳内网穿透进行调试时，打开网页显示：invalid host header
分析问题
这句话的意思是：无效的Host请求头；
因为在vue在调试时相当于启动了一个服务器以供我们访问（当我们build后，就可以放在我们自己的nginx等服务器）
测试环境下的webpack有一个host检查功能：webpack的devServer中
如果不配置host就无法访问，解决办法有好几种，可以去设置host，比如：
第一种解决方案
设置允许访问的域名
module.exports]]></description><category></category></item><item><title><![CDATA[二维数组格式化成对象]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/123468165</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/123468165</guid><author>luxiahongyi</author><pubDate>Sun, 13 Mar 2022 22:39:22 +0800</pubDate><description><![CDATA[原始数据
[
  [ '月份', 202109 ],
  [ '身份证号', '21231213123' ],
  [ '姓名', '张三' ],
  [ '工资1', 100 ],
  [ '工资2', 200 ],
  [ '工资3', 300 ],
  [ '工资4', 100 ]
]

格式化后数据
{
  '月份': 202109,
  '身份证号': '21231213123',
  '姓名': '张三',
  '工资1': 100,
  '工资2': 200,
  '工资3': 300,
  ]]></description><category></category></item><item><title><![CDATA[小程序base64数据格式保存至手机相册]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/122630729</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/122630729</guid><author>luxiahongyi</author><pubDate>Fri, 21 Jan 2022 22:33:08 +0800</pubDate><description><![CDATA[// 保存图片至相册
			saveImg() {
				//获取文件管理器对象
				const fs = wx.getFileSystemManager()
				//文件保存路径
				const Imgpath = wx.env.USER_DATA_PATH + '/qrcodeImg' + '.png'
				//base64图片文件
				let imageSrc = this.src.replace(/^data:image\/\w+;base64,/, '')

				//写入]]></description><category></category></item><item><title><![CDATA[微信小程序码合成图片]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/122591152</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/122591152</guid><author>luxiahongyi</author><pubDate>Wed, 19 Jan 2022 22:26:16 +0800</pubDate><description><![CDATA[微信小程序码生成及canvas绘制]]></description><category></category></item><item><title><![CDATA[egg项目eslint不识别链式操作符的解决方法]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/122150154</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/122150154</guid><author>luxiahongyi</author><pubDate>Sat, 25 Dec 2021 23:06:00 +0800</pubDate><description><![CDATA[项目用到链式?.结果eslint一直提示
const permissionHandleArr = positionPermissionHandle.map(item =&gt; item.permission_handle?.name);

解决方案
升级eslint-config-egg至8.1.2

说明
eslint升级到v8版本以上也能解决问题，但是会报错，我用的是2020版的webstorm：
this.CliEngine is not a constructor

根据网上提供的修改eslint]]></description><category></category></item><item><title><![CDATA[mysql sql_mode=only_full_group_by问题临时解决]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/122118918</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/122118918</guid><author>luxiahongyi</author><pubDate>Thu, 23 Dec 2021 23:45:38 +0800</pubDate><description><![CDATA[执行代码
set global sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION';

set session sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION';


只能临]]></description><category></category></item><item><title><![CDATA[egg-multipart ＋ el-upload 实现带参图片上传至阿里云OSS]]></title><link>https://blog.youkuaiyun.com/luxiahongyi/article/details/122053886</link><guid>https://blog.youkuaiyun.com/luxiahongyi/article/details/122053886</guid><author>luxiahongyi</author><pubDate>Tue, 21 Dec 2021 02:33:47 +0800</pubDate><description><![CDATA[egg-multipart ＋ el-upload 实现带参图片上传至阿里云OSS]]></description><category></category></item></channel></rss>