https://cloudcold.ai/tags/mysql/Recent content in Mysql on Lost TempleHugoenMon, 08 Aug 2022 22:11:13 +0800https://cloudcold.ai/posts/2022-08-08-ubuntu18.04-mysql5.7%E6%94%B9%E6%88%90utf8%E7%BC%96%E7%A0%81/Mon, 08 Aug 2022 22:11:13 +0800https://cloudcold.ai/posts/2022-08-08-ubuntu18.04-mysql5.7%E6%94%B9%E6%88%90utf8%E7%BC%96%E7%A0%81/<h3 id="问题背景">问题背景</h3> <p>向MySQL插入中文内容显示问号</p> <h3 id="原因">原因</h3> <p>Server端的MySQL不支持utf8， 部分是latin1编码格式。</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-shell" data-lang="shell"><span style="display:flex;"><span>mysql&gt;show variables like <span style="color:#e6db74">&#34;%char%&#34;</span>; </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>+--------------------------------------+----------------------------+ </span></span><span style="display:flex;"><span>| Variable_name | Value | </span></span><span style="display:flex;"><span>+--------------------------------------+----------------------------+ </span></span><span style="display:flex;"><span>| character_set_client | latin1 | </span></span><span style="display:flex;"><span>| character_set_connection | latin1 | </span></span><span style="display:flex;"><span>| character_set_database | utf8mb4 | </span></span><span style="display:flex;"><span>| character_set_filesystem | binary | </span></span><span style="display:flex;"><span>| character_set_results | latin1 | </span></span><span style="display:flex;"><span>| character_set_server | latin1 | </span></span><span style="display:flex;"><span>| character_set_system | utf8 | </span></span><span style="display:flex;"><span>| character_sets_dir | /usr/share/mysql/charsets/ | </span></span><span style="display:flex;"><span>| validate_password_special_char_count | <span style="color:#ae81ff">1</span> | </span></span><span style="display:flex;"><span>+--------------------------------------+----------------------------+ </span></span><span style="display:flex;"><span><span style="color:#ae81ff">9</span> rows in set <span style="color:#f92672">(</span>0.02 sec<span style="color:#f92672">)</span> </span></span></code></pre></div><h3 id="解决办法">解决办法</h3> <p>1、直接登录MySQL改数据库, 但是MySQL重启后，修改会失效。</p> <p>2、修改MySQL配置</p>