概述 · Java · 看云

<ruby id="bdb3f"></ruby>

<p id="bdb3f"><cite id="bdb3f"></cite></p>

<p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>

<p id="bdb3f"><cite id="bdb3f"></cite></p>

<pre id="bdb3f"></pre>

<pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

<ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
<pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre>

<output id="bdb3f"></output><p id="bdb3f"></p>

<pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

<ruby id="bdb3f"></ruby>

合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。廣告

## 概述連接池就是一個集合,可以存放多個數據庫的鏈接. ## 數據庫連接池的規范 Java為數據庫連接池提供了公共的接口：javax.sql.DataSource，各個廠商需要讓自己的連接池實現這個接口。這樣應用程序可以方便的切換不同廠商的連接池！常見的連接池：DBCP、C3P0。

<ruby id="bdb3f"></ruby>

<p id="bdb3f"><cite id="bdb3f"></cite></p>

<p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>

<p id="bdb3f"><cite id="bdb3f"></cite></p>

<pre id="bdb3f"></pre>

<pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

<ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
<pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre>

<output id="bdb3f"></output><p id="bdb3f"></p>

<pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

<ruby id="bdb3f"></ruby>

哎呀哎呀视频在线观看