向set添加一条记录
<p><strong>简要描述:</strong> </p>
<ul>
<li>向set添加一条记录</li>
</ul>
<p><strong>入参:</strong> </p>
<table>
<thead>
<tr>
<th style="text-align: left;">参数名</th>
<th style="text-align: left;">必选</th>
<th style="text-align: left;">类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left;">key</td>
<td style="text-align: left;">是</td>
<td style="text-align: left;">string</td>
<td>存储redis中的唯一标识</td>
</tr>
<tr>
<td style="text-align: left;">value</td>
<td style="text-align: left;">是</td>
<td style="text-align: left;">string</td>
<td>添加的数值</td>
</tr>
</tbody>
</table>
<p><strong>返回示例</strong></p>
<pre><code> {
1
}</code></pre>
<p><strong>返回参数说明</strong> </p>
<table>
<thead>
<tr>
<th style="text-align: left;">参数名</th>
<th style="text-align: left;">类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align: left;">无</td>
<td style="text-align: left;">long</td>
<td>是否储存成功(0/1)</td>
</tr>
</tbody>
</table>
<p><strong>示例代码</strong></p>
<pre><code class="language-java">IRedisService redisService = ICacheUtil.service();
long lg1 = redisService.sadd("user", "erin");
long lg2 = redisService.sadd("user","xinxin");
long lg3 = redisService.sadd("user","ling");
System.out.println("lg1:"+lg1+"\nlg2:"+lg2+"\nlg3:"+lg3);</code></pre>
<p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/e6557af3d9b4e79e4b910c9924d6bce5?showdoc=.jpg" alt="" /></p>
<p>数据库中存储结构如下:
<img src="https://www.showdoc.cc/server/api/common/visitfile/sign/d28501a0778fc968d66df181740dc5b6?showdoc=.jpg" alt="" />
<strong>接口</strong></p>
<pre><code class="language-java">/*
* 向set添加一条记录,如果member已经存在则返回0,否则返回1
*/
public long sadd(String key,String member)throws CacheException;</code></pre>
<p><strong>备注</strong> </p>
<ul>
<li>如果member已经存在则返回0,否则返回1</li>
</ul>