<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[redhat0921的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/redhat0921</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; redhat0921]]></copyright><item><title><![CDATA[Vue3项目路由无法跳转和渲染页面]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/131506863</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/131506863</guid><author>redhat0921</author><pubDate>Sun, 02 Jul 2023 23:15:51 +0800</pubDate><description><![CDATA[启动项目后，路由无法跳转渲染，原因为使用cnpm安装vue-router根本就没安装成功，使用 yarn add vue-router@4 -S重新安装后，正常跳转渲染。]]></description><category></category></item><item><title><![CDATA[vue中使用swiper6.4.5分页器的使用]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/112797747</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/112797747</guid><author>redhat0921</author><pubDate>Tue, 19 Jan 2021 00:02:16 +0800</pubDate><description><![CDATA[最新版swiper，版本6.4.5

轮播分页器不显示，其中组件需要单独导入，如下


import Swiper, { Pagination, Navigation } from 'swiper'
import 'swiper/swiper-bundle.css'
Swiper.use([Pagination, Navigation])


]]></description><category></category></item><item><title><![CDATA[vue中axios安装及使用]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/112690233</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/112690233</guid><author>redhat0921</author><pubDate>Sat, 16 Jan 2021 00:05:35 +0800</pubDate><description><![CDATA[1、安装

npm install axios --save-dev

2、main.js中添加


import axios from 'axios';
Vue.prototype.$axios = axios
Vue.config.productionTip = false

3、使用：


mounted() {
      this.$axios.get("https://m.maizuo.com/gateway?cityId=510100&amp;pageNum=1&amp;pageSize=10]]></description><category></category></item><item><title><![CDATA[nginx部署vue项目]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/112501671</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/112501671</guid><author>redhat0921</author><pubDate>Mon, 11 Jan 2021 22:58:52 +0800</pubDate><description><![CDATA[1、进入nginx配置目录，打开nginx.conf配置文件，修改图中默认目录和默认前端启动文件名





2、关闭nginx====&gt; nginx -s stop

3、启动nginx，进入sbin目录，./nginx

再次打开地址xxxxxxx/myapp/index.html，已成功访问
...]]></description><category></category></item><item><title><![CDATA[vue eslint报错，如何在项目中关闭]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/112454400</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/112454400</guid><author>redhat0921</author><pubDate>Mon, 11 Jan 2021 00:12:40 +0800</pubDate><description><![CDATA[1.在项目的根目录下创建 vue.config.js 文件
	
	2.vue.config.js中添加
	
	
	
module.exports = {
        lintOnSave: false
}

	
	
3.重启项目
]]></description><category></category></item><item><title><![CDATA[flask+SQLALchemy查询总结]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/111397551</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/111397551</guid><author>redhat0921</author><pubDate>Fri, 18 Dec 2020 23:07:14 +0800</pubDate><description><![CDATA[一、查询


1. 模型类.query.filter().all()   -----&gt;  列表
2. 模型类.query.filter().first()   -----&gt;  对象

# 等值查询
User.query.filter_by(username='zhangsan')

# select * from user where username like '%z'
User.query.filter(User.userName.endswith('z')).all()  # 以z结束的
]]></description><category></category></item><item><title><![CDATA[Flask-SQLAlchemy总结]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/111291975</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/111291975</guid><author>redhat0921</author><pubDate>Wed, 16 Dec 2020 16:58:25 +0800</pubDate><description><![CDATA[1. 配置清单

配置键
			说明
		SQLALCHEMY_DATABASE_URI
			
			用于连接数据的数据库。例如：

			sqlite:tmp/test.db
				mysql://username:password@server/db
			
		SQLALCHEMY_BINDS
			一个映射绑定 (bind) 键到 SQLAlchemy 连接 URIs 的字典。用于绑定多个数据库
		SQLALCHEMY_ECHO
			如果设置成True，SQLAlchemy 将会记录所有 .]]></description><category></category></item><item><title><![CDATA[flask配置]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/111173294</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/111173294</guid><author>redhat0921</author><pubDate>Mon, 14 Dec 2020 15:39:19 +0800</pubDate><description><![CDATA[flask

flask-script
数据库
pymysql
flask-sqlalchemy 实现ORM映射
flask-migrate 发布命令工具
]]></description><category></category></item><item><title><![CDATA[centos7替换yum源为阿里云]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110913036</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110913036</guid><author>redhat0921</author><pubDate>Tue, 08 Dec 2020 23:21:27 +0800</pubDate><description><![CDATA[centos7 修改yum源为阿里源

首先是到yum源设置文件夹里：

安装base reop源 # cd /etc/yum.repos.d/
	下载阿里源文件 # wget -O CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
	安装epel repo源：
	epel(RHEL 7) # wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-]]></description><category></category></item><item><title><![CDATA[mysql将不同数据库中的表复制到另一个数据库的表中]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110675346</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110675346</guid><author>redhat0921</author><pubDate>Sat, 05 Dec 2020 00:05:36 +0800</pubDate><description><![CDATA[从test数据库app02_message表中复制到myApp数据库indexApp_msg表中

INSERT INTO myApp.indexApp_msg SELECT * FROM test.app02_message;
]]></description><category></category></item><item><title><![CDATA[Python中Django配置跨域访问]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110523978</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110523978</guid><author>redhat0921</author><pubDate>Thu, 03 Dec 2020 11:21:55 +0800</pubDate><description><![CDATA[安装第三方库pip3 install django-cors-headers

在项目settings.py中添加如图三个地方

'corsheaders',

'corsheaders.middleware.CorsMiddleware',

添加参数为true CORS_ORIGIN_ALLOW_ALL = True

#下面这些可以不用设置

#跨域增加忽略 CORS_ALLOW_CREDENTIALS = True
...]]></description><category></category></item><item><title><![CDATA[django执行签移文件时报版本错误]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110461007</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110461007</guid><author>redhat0921</author><pubDate>Wed, 02 Dec 2020 02:00:23 +0800</pubDate><description><![CDATA[在执行python manage.py makemigrations签移数据文件时，因Django版本不匹配报版本错误


import pymysql
pymysql.version_info = (1, 4, 13, "final", 0)
pymysql.install_as_MySQLdb()

将app下的__init__.py文件加上上面代码
]]></description><category></category></item><item><title><![CDATA[创建和激活python虚拟环境]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110454865</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110454865</guid><author>redhat0921</author><pubDate>Tue, 01 Dec 2020 22:17:41 +0800</pubDate><description><![CDATA[创建虚拟环境


virtualenv 虚拟环境目录名

进入虚拟环境目录下的Scripts下执行activate.bat，激活虚拟环境

现在使用的cmd使用的python时虚拟环境的

现在可以使用pip安装第三方库，此时安装的库将安装到此虚拟环境内
...]]></description><category></category></item><item><title><![CDATA[django setting基本配置]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110454819</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110454819</guid><author>redhat0921</author><pubDate>Tue, 01 Dec 2020 22:13:45 +0800</pubDate><description><![CDATA[#语言
LANGUAGE_CODE = 'zh-hans'

TIME_ZONE = 'Asia/Shanghai'

USE_I18N = True

USE_L10N = True

# 不适用世界时，改为False，数据库存储的时间和当地时间一致
USE_TZ = False


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.1/howto/static-files/

STATIC_UR.]]></description><category></category></item><item><title><![CDATA[Centos7 安装MySQL详细步骤]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110385427</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110385427</guid><author>redhat0921</author><pubDate>Mon, 30 Nov 2020 13:13:16 +0800</pubDate><description><![CDATA[Centos7 安装MySQL详细步骤

首先在虚拟机中安装一个Centos7（VM虚拟机安装Centos7）

1.1 MySQL安装

1.1.1 下载wget命令


yum -y install wget


1
1.1.2 在线下载mysql安装包


wget https://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm


1
1.1.3 安装MySQL


rpm -ivh mysql57-community-rel]]></description><category></category></item><item><title><![CDATA[centos下利用tar包安装nginx并配置环境变量]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110359721</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110359721</guid><author>redhat0921</author><pubDate>Mon, 30 Nov 2020 01:01:55 +0800</pubDate><description><![CDATA[解压tar包

tar –zxvf nginx-1.19.5

cd ./nginx-1.19.5



编译安装

./configure --prefix=/usr/local/nginx --with-http_ssl_module

make&amp;&amp;make install



配置环境变量

vim /etc/profile

export NGINX_HOME= /usr/local/nginx

export PATH=$PATH:$NGINX_HOME/bin



进...]]></description><category></category></item><item><title><![CDATA[centos7配置tomcat环境变量]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110357710</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110357710</guid><author>redhat0921</author><pubDate>Sun, 29 Nov 2020 23:34:02 +0800</pubDate><description><![CDATA[给所有脚本文件设置777权限

chmod 777 *.sh

编辑tomcat目录下bin目录的startup.sh和shutdown.sh，将下面配置添加到末尾

export JAVA_HOME=/usr/local/java
export TOMCAT_HOME=/opt/apache-tomcat-9.0.39
export CATALINA_HOME=/opt/apache-tomcat-9.0.39
export CLASS_PATH=$JAVA_HOME/bin/lib:$JAVA_HOM.]]></description><category></category></item><item><title><![CDATA[CentOS7安装jdk1.8并配置环境变量]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110357285</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110357285</guid><author>redhat0921</author><pubDate>Sun, 29 Nov 2020 23:13:43 +0800</pubDate><description><![CDATA[1、创建目录


mkdir /usr/local/java/


2、解压jdk至文件夹/usr/local/java/下


tar -zxvf jdk-8u271-linux-x64.tar.gz -C /usr/local/java/


3、查看文件夹及jdk的版本


cd /usr/local/java




4、设置环境变量，便于执行java指令


vim /etc/profile





export JAVA_HOME=/usr/local/java/jdk1.8.0_271...]]></description><category></category></item><item><title><![CDATA[centOS7安装python3.9]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/110250230</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/110250230</guid><author>redhat0921</author><pubDate>Fri, 27 Nov 2020 23:23:22 +0800</pubDate><description><![CDATA[1.安装编译相关工具
yum -y groupinstall "Development tools"
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
yum install libffi-devel -y


2.下载安装包解压
wget https://www.p]]></description><category></category></item><item><title><![CDATA[protobuf生成的ts文件报错]]></title><link>https://blog.youkuaiyun.com/redhat0921/article/details/109549004</link><guid>https://blog.youkuaiyun.com/redhat0921/article/details/109549004</guid><author>redhat0921</author><pubDate>Sat, 07 Nov 2020 16:39:21 +0800</pubDate><description><![CDATA[[ 'object' ].&lt;string, any&gt;，这种写法报错，降低node版本到10.23.0后生成的是[k:string]:any
]]></description><category></category></item></channel></rss>