调用静态函数

BeansWrapper wrapper = new BeansWrapper(new Version(2,3,29);
TemplateModel statics = wrapper.getStaticModels();

public static boolean generate(String template, Map<String, Object> dataModel, Writer writer) {
    dataModel.put("statics", statics);
    //模板
    Template temp = null;
    try {
        temp = cfg.getTemplate(template);
        //输出
        temp.process(dataModel, writer);
    } catch (IOException | TemplateException e) {
        e.printStackTrace();
        return false;
    }
    return true;
}

<#assign JSON=statics['com.alibaba.fastjson.JSON']>

<#macro text content>
    <#list content as frame>
        <#if frame?size = 2>
            <span style="
                    /*word-wrap:break-word;*/
            <#assign arr1=JSON.parseArray(frame[1])>
            <#list 0..arr1?size-1 as arr1Index>
                <#assign arr2=arr1.getJSONArray(arr1Index)>
                <#assign type=arr2.getString(0)>
                <#switch type>
                    <#case "b">
                            font-weight:600;
                        <#break >
                    <#case "i">
                            font-style:italic;
                        <#break >
                    <#case "_">
                            border-bottom:0.05em solid;
                        <#break >
                </#switch>
            </#list>
                    ">${frame[0]}</span>
        <#else>
            ${frame[0]}
        </#if>
    </#list>
</#macro>