public XmlBuilder content(String content) {
        this.content = content;
        return this;
    }
<p> source chanjarster/weixin-java-tools</p>
@author egan
<pre>
    email egzosn@gmail.com
    date 2016-6-1 11:40:30
 </pre>
pay-java-common/src/main/java/com/egzosn/pay/common/bean/outbuilder/XmlBuilder.java