模板源代码如下：
<field name="张数" class="java.lang.Integer"/>
<variable name="张数合计" class="java.lang.Integer" incrementType="Column" calculation="Sum">
<variableExpression><![CDATA[$V{张数合计}+$F{张数}]]></variableExpression>
<initialValueExpression><![CDATA[0]]></initialValueExpression>
</variable>
IReport中属性设计如下图：
[img]http://dl.iteye.com/upload/attachment/0080/6248/6024251f-9b5e-3fc0-99da-71012959b907.jpg[/img] | 
转播
