div class="block">Nonce generator.</div>
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<dt><span class="returnLabel">返回:</span></dt>
<dd>the id generator</dd>
<dt><span class="simpleTagLabel">从以下版本开始:</span></dt>
<dd>1.0.4.RELEASE</dd>
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<h4>createSign</h4>
<pre>private static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或