<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Ansee]]></title><description><![CDATA[一个java的小程序员的心酸历程]]></description><link>https://blog.youkuaiyun.com/brianzb</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; brianzb]]></copyright><item><title><![CDATA[【最新】anaconda navigator第一次启动卡在loading application]]></title><link>https://blog.youkuaiyun.com/brianzb/article/details/145863302</link><guid>https://blog.youkuaiyun.com/brianzb/article/details/145863302</guid><author>brianzb</author><pubDate>Tue, 25 Feb 2025 21:52:03 +0800</pubDate><description><![CDATA[anaconda windows安装完，在菜单里点anaconda navigator 一直卡在loading application打不开，尝试各种方式也没解决。]]></description><category></category></item><item><title><![CDATA[java省市区三级联动]]></title><link>https://blog.youkuaiyun.com/brianzb/article/details/133617138</link><guid>https://blog.youkuaiyun.com/brianzb/article/details/133617138</guid><author>brianzb</author><pubDate>Fri, 06 Oct 2023 19:06:49 +0800</pubDate><description><![CDATA[省市区三级联动，树形结构children嵌套]]></description><category></category></item><item><title><![CDATA[centos安装docker nacos]]></title><link>https://blog.youkuaiyun.com/brianzb/article/details/132500353</link><guid>https://blog.youkuaiyun.com/brianzb/article/details/132500353</guid><author>brianzb</author><pubDate>Sat, 26 Aug 2023 03:56:08 +0800</pubDate><description><![CDATA[记一次快速、简单的docker nacos部署]]></description><category></category></item><item><title><![CDATA[centos安装docker nginx]]></title><link>https://blog.youkuaiyun.com/brianzb/article/details/132497879</link><guid>https://blog.youkuaiyun.com/brianzb/article/details/132497879</guid><author>brianzb</author><pubDate>Fri, 25 Aug 2023 16:34:17 +0800</pubDate><description><![CDATA[快速、简单地搭建docker nginx]]></description><category></category></item><item><title><![CDATA[pip 更新安装问题汇总]]></title><link>https://blog.youkuaiyun.com/brianzb/article/details/132482264</link><guid>https://blog.youkuaiyun.com/brianzb/article/details/132482264</guid><author>brianzb</author><pubDate>Thu, 24 Aug 2023 20:54:20 +0800</pubDate><description><![CDATA[pip install出现：
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-vZoYWX/pip/]]></description><category></category></item><item><title><![CDATA[sql查询无结果设置默认值]]></title><link>https://blog.youkuaiyun.com/brianzb/article/details/127260182</link><guid>https://blog.youkuaiyun.com/brianzb/article/details/127260182</guid><author>brianzb</author><pubDate>Tue, 11 Oct 2022 11:44:19 +0800</pubDate><description><![CDATA[最近SQL直挂图表数据显示无内容，看了下数据库发现表里没数据，三方图表默认显示文字，但是需求想显示结果0。]]></description><category></category></item><item><title><![CDATA[centos安装docker jenkins]]></title><link>https://blog.youkuaiyun.com/brianzb/article/details/126885057</link><guid>https://blog.youkuaiyun.com/brianzb/article/details/126885057</guid><author>brianzb</author><pubDate>Fri, 16 Sep 2022 12:10:50 +0800</pubDate><description><![CDATA[centos安装docker jenkis，解决插件下载失败，国内镜像更换]]></description><category></category></item><item><title><![CDATA[JAVA文件上传防止篡改后缀名]]></title><link>https://blog.youkuaiyun.com/brianzb/article/details/124928348</link><guid>https://blog.youkuaiyun.com/brianzb/article/details/124928348</guid><author>brianzb</author><pubDate>Mon, 23 May 2022 15:50:28 +0800</pubDate><description><![CDATA[记一次小技巧：

我们在做文件上传时会对比文件得后缀名比如.txt，但是假如用户恶意将其他格式得文件通过修改后缀名改为txt上传，则大大影响安全。

所以可通过文件得字节码判断文件得真实类型。

1.定义一下文件头的字节码：


//文件的字节码头
 
public enum FileType {
    /**
     * JEPG.
     */
    JPEG("FFD8FF"),
 
    /**
     * PNG.
     */
    PNG("89504E47"),
 
    ]]></description><category></category></item><item><title><![CDATA[Java学习路线和大纲]]></title><link>https://blog.youkuaiyun.com/brianzb/article/details/117885875</link><guid>https://blog.youkuaiyun.com/brianzb/article/details/117885875</guid><author>brianzb</author><pubDate>Mon, 05 Jul 2021 22:14:59 +0800</pubDate><description><![CDATA[前言

    最近个别徒弟已经进入到项目阶段，但是出现了一些问题，就是知识应用的混乱。比如，在练习项目的时候，技术选型，选择了javaweb的servlet和框架的spring,mvc和jdbc。这是在应用中就出现配置问题，有些功能能实现，有些不行。所以今天就讲一下学习路线和大纲，以及自创领域学习。（我的方法出发点都是以找工作为主，娱乐为辅。提及一切方法纯个人创作，如有雷同纯属意外，每个人有不同的理解，如有反驳不接受反驳）

学习路线

学习路线（这里我用文字描述，懒得画思维导图）可能有大多数初学...]]></description><category></category></item></channel></rss>