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itemtype="http://schema.org/CreativeWork"><meta itemprop="name" content="python+jaydebeapi连接不同类型的数据库 | 随言碎语"><meta itemprop="description" content=""></span><header class="post-header"><h1 class="post-title" itemprop="name headline">python+jaydebeapi连接不同类型的数据库</h1><div class="post-meta-container"><div class="post-meta"><span class="post-meta-item"><span class="post-meta-item-icon"><i class="far fa-calendar"></i> </span><span class="post-meta-item-text">发表于</span> <time title="创建时间2022-09-26 16:29:30" itemprop="dateCreated datePublished" datetime="2022-09-26T16:29:30+08:00">2022-09-26</time> </span><span class="post-meta-item"><span class="post-meta-item-icon"><i class="far fa-calendar-check"></i> </span><span class="post-meta-item-text">更新于</span> <time title="修改时间2023-05-02 22:33:08" itemprop="dateModified" datetime="2023-05-02T22:33:08+08:00">2023-05-02</time> </span><span class="post-meta-item" title="阅读次数" id="busuanzi_container_page_pv"><span class="post-meta-item-icon"><i class="far fa-eye"></i> </span><span class="post-meta-item-text">阅读次数:</span> <span id="busuanzi_value_page_pv"></span> </span><span class="post-meta-break"></span> <span class="post-meta-item" title="本文字数"><span class="post-meta-item-icon"><i class="far fa-file-word"></i> </span><span class="post-meta-item-text">本文字数:</span> <span>1.2k</span> </span><span class="post-meta-item" title="阅读时长"><span class="post-meta-item-icon"><i class="far fa-clock"></i> </span><span class="post-meta-item-text">阅读时长 &asymp;</span> <span>2 分钟</span></span></div></div></header><div class="post-body" itemprop="articleBody"><p>使用jaydebeapi连接不同类型的数据库</p><span id="more"></span><p>若是behave构建的项目建议使用behave-db详见 <a target="_blank" rel="noopener" href="https://github.com/M-HALLIDAY/behave-db">https://github.com/M-HALLIDAY/behave-db</a></p><h2 id="1-背景">1. 背景</h2><p>需求是程序的运行环境是不确定的可能是Windows也可能是linux数据库也是多种多样的mysql、oracle、pg等但是所需要执行的sql语句都是相同的如何做很小的改动就能够执行相同的sql语句。</p><h2 id="2-jaydebeapi">2.jaydebeapi</h2><p>jaydebeapi是一个python模块可通过它来使用java的JDBC来连接数据库。</p><p>简单来说目前几乎所有的数据库都是支持jdbc的因此几乎都能找到相应的jar包通过<a target="_blank" rel="noopener" href="https://github.com/baztian/jaydebeapi">jaydebeapi</a>这个库只需要把jra放到指定的位置然后在程序中使用它即可连接数据库。</p><p>优点:</p><ol><li><p>支持的数据库种类多只要有jar包就可以。</p></li><li><p>不需要关心过于程序的运行环境,只要是相同平台下编译出来的包,复制过来就可以直接运行。</p></li></ol><p>缺点:</p><p>打包的时候需要连同jar包一起打可能会导致安装包过大。</p><h3 id="2-1-安装">2.1 安装</h3><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">pip install JayDeBeApi</span><br></pre></td></tr></table></figure><h3 id="2-2-核心代码">2.2 核心代码</h3><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta prompt_"></span></span><br><span class="line"><span class="meta prompt_">&gt;</span><span class="language-bash">&gt;&gt; import jaydebeapi</span></span><br><span class="line"><span class="meta prompt_">&gt;</span><span class="language-bash">&gt;&gt; conn = jaydebeapi.connect(<span class="string">&quot;org.hsqldb.jdbcDriver&quot;</span>, <span class="comment"># 包名</span></span></span><br><span class="line">... &quot;jdbc:hsqldb:mem:.&quot;, # JDBC连接串</span><br><span class="line">... [&quot;SA&quot;, &quot;&quot;], # 用户名密码</span><br><span class="line">... &quot;/path/to/hsqldb.jar&quot;,) # jar包存放的位置</span><br><span class="line"><span class="meta prompt_">&gt;</span><span class="language-bash">&gt;&gt; curs = conn.cursor()</span></span><br><span class="line"><span class="meta prompt_">&gt;</span><span class="language-bash">&gt;&gt; curs.execute(<span class="string">&#x27;create table CUSTOMER&#x27;</span></span></span><br><span class="line">... &#x27;(&quot;CUST_ID&quot; INTEGER not null,&#x27;</span><br><span class="line">... &#x27; &quot;NAME&quot; VARCHAR(50) not null,&#x27;</span><br><span class="line">... &#x27; primary key (&quot;CUST_ID&quot;))&#x27;</span><br><span class="line">... )</span><br><span class="line"><span class="meta prompt_">&gt;</span><span class="language-bash">&gt;&gt; curs.execute(<span class="string">&quot;insert into CUSTOMER values (?, ?)&quot;</span>, (1, <span class="string">&#x27;John&#x27;</span>))</span></span><br><span class="line"><span class="meta prompt_">&gt;</span><span class="language-bash">&gt;&gt; curs.execute(<span class="string">&quot;select * from CUSTOMER&quot;</span>)</span></span><br><span class="line"><span class="meta prompt_">&gt;</span><span class="language-bash">&gt;&gt; curs.fetchall()</span></span><br><span class="line">[(1, u&#x27;John&#x27;)]</span><br><span class="line"><span class="meta prompt_">&gt;</span><span class="language-bash">&gt;&gt; curs.close()</span></span><br><span class="line"><span class="meta prompt_">&gt;</span><span class="language-bash">&gt;&gt; conn.close()</span></span><br></pre></td></tr></table></figure></div><footer class="post-footer"><div><div style="text-align:center;color:#ccc;font-size:24px;padding-top:10px">----- The End -----</div><div><center><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/social-share.js/1.0.16/css/share.min.css"><div class="social-share" data-sites="weibo, qq, qzone,wechat"></div><script src="http://apps.bdimg.com/libs/jquery/1.8.2/jquery.js"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/social-share.js/1.0.16/js/social-share.min.js"></script></center></div></div><div class="post-copyright"><ul><li class="post-copyright-author"><strong>本文作者: </strong>小梦同学的blog</li><li class="post-copyright-link"><strong>本文链接:</strong> <a href="http://kiki.kim/2022/09/26/python+jaydebeapi%E8%BF%9E%E6%8E%A5%E4%B8%8D%E5%90%8C%E7%B1%BB%E5%9E%8B%E7%9A%84%E6%95%B0%E6%8D%AE%E5%BA%93/" title="python+jaydebeapi连接不同类型的数据库">http://kiki.kim/2022/09/26/python+jaydebeapi连接不同类型的数据库/</a></li><li class="post-copyright-license"><strong>版权声明: </strong>本博客所有文章除特别声明外,均采用 <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/zh-CN" rel="noopener" target="_blank"><i class="fab fa-fw fa-creative-commons"></i>BY-NC-SA</a> 许可协议。转载请注明出处!</li></ul></div><div class="post-tags"><a href="/tags/python/" rel="tag"><i class="fa fa-tag"></i> python</a> <a href="/tags/%E8%87%AA%E5%8A%A8%E5%8C%96%E6%B5%8B%E8%AF%95/" rel="tag"><i class="fa fa-tag"></i> 自动化测试</a> <a href="/tags/%E6%B5%8B%E8%AF%95/" rel="tag"><i class="fa fa-tag"></i> 测试</a> <a href="/tags/jaydebeapi/" rel="tag"><i class="fa fa-tag"></i> jaydebeapi</a></div><script type="text/javascript">for(var tagsall=document.getElementsByClassName("post-tags"),i=tagsall.length-1;0<=i;i--)for(var tags=tagsall[i].getElementsByTagName("a"),j=tags.length-1;0<=j;j--){var r,g,b,golden_ratio=.618033988749895,s=.5,v=.999,h=golden_ratio+.8*Math.random()-.5,h_i=parseInt(6*h),f=6*h-h_i,p=v*(1-s),q=v*(1-f*s),t=v*(1-(1-f)*s);switch(h_i){case 0:r=v,g=t,b=p;break;case 1:r=q,g=v,b=p;break;case 2:r=p,g=v,b=t;break;case 3:r=p,g=q,b=v;break;case 4:r=t,g=p,b=v;break;case 5:r=v,g=p,b=q;break;default:b=g=r=1}tags[j].style.background="rgba("+parseInt(255*r)+","+parseInt(255*g)+","+parseInt(255*b)+",0.5)"}</script><div class="post-nav"><div class="post-nav-item"><a href="/2022/08/10/docker%E5%92%8Cdocker-compose%E5%B8%B8%E7%94%A8%E5%91%BD%E4%BB%A4/" rel="prev" title="docker和docker-compose常用命令"><i class="fa fa-chevron-left"></i> docker和docker-compose常用命令</a></div><div class="post-nav-item"><a href="/2022/10/23/docker%E6%90%AD%E5%BB%BAnginx/" rel="next" title="docker搭建nginx">docker搭建nginx <i class="fa fa-chevron-right"></i></a></div></div></footer></article></div></div></main><footer class="footer"><div class="footer-inner"><div class="copyright">&copy; 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