<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[忆凌波的专栏]]></title><description><![CDATA[充实、有趣、快乐]]></description><link>https://blog.youkuaiyun.com/u013022210</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; u013022210]]></copyright><item><title><![CDATA[实用工具：mysql 数据库表字段转Go struct]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/126602041</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/126602041</guid><author>u013022210</author><pubDate>Tue, 30 Aug 2022 13:28:27 +0800</pubDate><description><![CDATA[sql-to-struct: sql 转 struct。]]></description><category></category></item><item><title><![CDATA[Markdown 帮助文档]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/119871825</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/119871825</guid><author>u013022210</author><pubDate>Mon, 23 Aug 2021 16:16:13 +0800</pubDate><description><![CDATA[Markdown 帮助文档

使用 vscode 测试编写

标题

标题格式# 一级标题
## 二级标题
### 三级标题
#### 四级标题
##### 五级标题
###### 六级标题


demo一级标题
二级标题
三级标题
四级标题
五级标题
六级标题


段落


空格 回车demo  (末尾两个空格表示换行、空行换行)
test
订单


字体使用格式
*斜体文本*
_斜体文本_
**粗体文本**
__粗体文本__
***粗斜体文本***
___粗斜体文本___



demo
斜体文本
斜体]]></description><category></category></item><item><title><![CDATA[2021-06-29 mysql 数据库事务未提交锁定问题处理]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/118334766</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/118334766</guid><author>u013022210</author><pubDate>Tue, 29 Jun 2021 14:35:17 +0800</pubDate><description><![CDATA[SHOW FULL PROCESSLIST

SELECT * FROM information_schema.innodb_trx # A 运行

SELECT * FROM information_schema.innodb_locks;

KILL 129393 #B kill trx_mysql_thread_id 的值即可解锁
]]></description><category></category></item><item><title><![CDATA[js 深拷贝和浅拷贝]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/114980163</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/114980163</guid><author>u013022210</author><pubDate>Thu, 18 Mar 2021 15:14:56 +0800</pubDate><description><![CDATA[JS中数据类型

基本数据类型： undefined、null、Boolean、Number、String和Symbol(ES6)
	引用数据类型： Object(Array, Date, RegExp, Function)
深浅拷贝

深浅拷贝只是针对引用类型的，因为引用类型是存放在堆内存中，在栈地址有一个或者多个地址来指向推内存的某一数据

浅拷贝：

被复制对象的所有变量都含有与原来的对象相同的值，而所有的对其他对象的引用仍然指向原来的对象。

浅拷贝仅仅复制所考虑的对象，而不复制它所引用的对象，如果]]></description><category></category></item><item><title><![CDATA[微信分享给朋友 图片显示正常，但是分享到朋友圈图片黑色【显示不出来】]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/110057196</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/110057196</guid><author>u013022210</author><pubDate>Tue, 24 Nov 2020 11:23:01 +0800</pubDate><description><![CDATA[#微信分享给朋友 图片显示正常，但是分享到朋友圈图片黑色【显示不出来】
A.初始图片为PNG 透明无背景色，
解决过程：
1.修改了文件名等还是不行
2.将原有图片添加背景色后显示正常
总结：微信分享必须要添加背景色 否则显示异常

...]]></description><category></category></item><item><title><![CDATA[开发编译是windows环境，如果搬到linux环境，需要注意大小写问题]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/107176602</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/107176602</guid><author>u013022210</author><pubDate>Tue, 07 Jul 2020 11:00:00 +0800</pubDate><description><![CDATA[windows 下编译正常





Linux上编译报错：文件找不到错误



此时需要检查 代码中的文件是路径是否能找到对应的文件【在Linux下，大小写比较敏感】


]]></description><category></category></item><item><title><![CDATA[AVUE + element-ui  项目使用搜集]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/106526677</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/106526677</guid><author>u013022210</author><pubDate>Wed, 03 Jun 2020 16:13:21 +0800</pubDate><description><![CDATA[#收集项目难点
##常用点
1.关闭当前tag 并跳转到新页面
```javascript
this.$store.dispatch('tagsView/delView', this.$route)
this.$router.push('/research/topic/list')
```

2.对话框提示配置
```javascript
 this.$msgbox.confirm('确定要将这些人添加到课题吗?', '提示', {
    callback: (action) =&gt; {
     .]]></description><category></category></item><item><title><![CDATA[解决 Xshell6|Xftp6 强制升级问题]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/105358469</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/105358469</guid><author>u013022210</author><pubDate>Tue, 07 Apr 2020 10:22:16 +0800</pubDate><description><![CDATA[1.用c32asm_2.0.1 工具16进制打开Xshell6|Xftp6的nslicense.dll 文件



2.在c32asm中用16进制搜索

例如：‘7F0C81F98033E1010F8680’替换成 ：‘7F0C81F98033E1010F8380’

也就是将最后两位86替换成83 然后保存，并替换文件

如果搜不到7F0C81F98033E1010F8680 可以缩短几位进...]]></description><category></category></item><item><title><![CDATA[表单选择框拖拽]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/105296580</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/105296580</guid><author>u013022210</author><pubDate>Fri, 03 Apr 2020 16:51:47 +0800</pubDate><description><![CDATA[&lt;!-- 导入需要的包 --&gt;
&lt;script src="https://cdn.staticfile.org/Sortable/1.10.0-rc2/Sortable.min.js"&gt;&lt;/script&gt;
]]></description><category></category></item><item><title><![CDATA[Flow 流程]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/105296310</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/105296310</guid><author>u013022210</author><pubDate>Fri, 03 Apr 2020 16:42:36 +0800</pubDate><description><![CDATA[&lt;!-- 导入需要的包 （一定要放到head标签里）--&gt;
&lt;script src="https://cdn.staticfile.org/jsPlumb/2.11.1/js/jsplumb.min.js"&gt;&lt;/script&gt;
]]></description><category></category></item><item><title><![CDATA[Export xlsx导入]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/105296188</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/105296188</guid><author>u013022210</author><pubDate>Fri, 03 Apr 2020 16:40:43 +0800</pubDate><description><![CDATA[&lt;!-- 导入需要的包 （一定要放到head标签里）--&gt;
&lt;script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.8/FileSaver.min.js"&gt;&lt;/script&gt;
&lt;script src="https://cdnjs.cloudflare.com/ajax/li...]]></description><category></category></item><item><title><![CDATA[Screenshot 屏幕截图]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/105296059</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/105296059</guid><author>u013022210</author><pubDate>Fri, 03 Apr 2020 16:36:50 +0800</pubDate><description><![CDATA[&lt;!-- 导入需要的包 （一定要放到head标签里）--&gt;
&lt;script src="https://cdn.staticfile.org/html2canvas/0.5.0-beta4/html2canvas.min.js"&gt;&lt;/script&gt;


'Screenshot': {
    url: 'https://cdn.staticfile.org/ht...]]></description><category></category></item><item><title><![CDATA[JavaScript 模式-享元模式]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/105228977</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/105228977</guid><author>u013022210</author><pubDate>Tue, 31 Mar 2020 18:33:13 +0800</pubDate><description><![CDATA[JavaScript 模式-享元模式]]></description><category></category></item><item><title><![CDATA[ionic3 + hbuilder 文件上传到 阿里 oss]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/105221943</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/105221943</guid><author>u013022210</author><pubDate>Tue, 31 Mar 2020 14:23:22 +0800</pubDate><description><![CDATA[uploadFile(file): Promise&lt;any&gt; {
        return new Promise(((resolve, reject) =&gt; {
                this.urlToBlob(file.target).then(dataBlob =&gt; {
                    this.clientOss....]]></description><category></category></item><item><title><![CDATA[1寸、小2寸、2寸证件照片是多大尺寸？]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/104926970</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/104926970</guid><author>u013022210</author><pubDate>Tue, 17 Mar 2020 17:38:13 +0800</pubDate><description><![CDATA[1寸照片，尺寸大小是：2.5厘米×3.5厘米，分辨率设成300像素/英寸，这样最终得到的像素是：295×413





小2寸照片，尺寸大小是：3.3厘米×4.8厘米，分辨率设成300像素/英寸，得到的像素是：390×567





2寸照片，尺寸大小是：3.5厘米×5.3厘米，分辨率设成300像素/英寸，达到的像素是：413×626





下面是不同尺寸的照片，相应的照片尺寸和像素...]]></description><category></category></item><item><title><![CDATA[js 判断字符串是否全是数字]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/103526924</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/103526924</guid><author>u013022210</author><pubDate>Fri, 13 Dec 2019 14:47:23 +0800</pubDate><description><![CDATA[1.可能也有小数点


var test = ['123.12', '.123', '123.', '123a'];
var reg = /^[\d|\.]*$/;
test.forEach((v) =&gt; {
  console.log(v, reg.test(v));
});

2.除了正则，isNaN或许更好


var test = ['123.12', '.123', '123.'...]]></description><category></category></item><item><title><![CDATA[微信小程序授权获取用户手机号码]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/100893606</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/100893606</guid><author>u013022210</author><pubDate>Mon, 16 Sep 2019 17:01:42 +0800</pubDate><description><![CDATA[微信小程序授权获取用户手机号码

第一步：小程序通过调用wx.login()方法，来拿到用户登录凭证code。

wx.login({    
    success:function(res){
        console.log('loginCode:', res.code)
    } 
});



第二步：将code传给后台，后台通过登录凭证code获取 session_key 和 ...]]></description><category></category></item><item><title><![CDATA[Web App、Hybrid App与Native App的设计差异]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/90244873</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/90244873</guid><author>u013022210</author><pubDate>Wed, 15 May 2019 20:58:45 +0800</pubDate><description><![CDATA[目前主流应用程序大体分为三类：Web App、Hybrid App、 Native App。



一、Web App、Hybrid App、Native App 纵向对比

首先，我们来看看什么是 Web App、Hybrid App、 Native App。

1. Web APP

Web App 指采用Html5语言写出的App，不需要下载安装。类似于现在所说的轻应用。生存在浏览器中的应用...]]></description><category></category></item><item><title><![CDATA[React-Native学习指南]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/88867673</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/88867673</guid><author>u013022210</author><pubDate>Thu, 28 Mar 2019 13:59:15 +0800</pubDate><description><![CDATA[React-Native学习指南

本指南汇集React-Native各类学习资源，给大家提供便利。指南正在不断的更新，大家有好的资源欢迎Pull Requests！

同时还有Awesome React Native系列https://github.com/jondot/awesome-react-native

目录

教程
	React Native
	React.js
	ES6
	系列教...]]></description><category></category></item><item><title><![CDATA[react native 发布APK正式包-Windows下安卓打包]]></title><link>https://blog.youkuaiyun.com/u013022210/article/details/88851733</link><guid>https://blog.youkuaiyun.com/u013022210/article/details/88851733</guid><author>u013022210</author><pubDate>Wed, 27 Mar 2019 18:12:09 +0800</pubDate><description><![CDATA[1.Windows下安卓打包

命令生成密钥：


keytool -genkey -v -keystore my-release-key.keystore -alias my-key-alias -keyalg RSA -keysize 2048 -validity 10000

密钥放入 Android/src/

编译正式包：进入Android目录下后运行以下命令


gradlew a...]]></description><category></category></item></channel></rss>