我有销售标签作为子节点存在多次,但在该员工标记不存在所有销售tag.need解析此xml.Got空指针异常,当没有员工标记。如何解析此xml即使某个子标签名称不存在?如何解析下面的xml代码?
<?xml version="1.0" encoding="ISO-8859-1"?>
<Transactions>
<DocumentInfo TransferType="Transactions" Copyright="2010, Hectronic GmbH" CreatedBy="HecPoll">
<CreateDate Year="2011" Month="7" Day="13"/>
<CreateTime Hour="6" Minute="0" Second="16"/>
</DocumentInfo>
<DocumentData>
<Sale RcpNum="151" Amount="228.760" Station="1" Customer="000003" Terminal="1">
<Date Year="2011" Month="07" Day="12"/>
<Time Hour="07" Minute="23" Second="00"/>
<ArticleSale Quantity="6.020" SglPriceAsSold="38.000" SglPriceAsStored="38.000" SglPrice="38.000" Amount="228.760" FCCAmount="228.760" Taxrate="18" LogicalFPNumber="1" TankNumber="3" ArtNum="3" SaleNum="1"/>
<Payment PAN="000000002117904490D" Amount="228.760" TenderCode="0" PayNum="1"/>
<Employee Lastname="V KALYANI"/>
<Vehicle LicensePlate="10K"/>
</Sale>
<Sale RcpNum="255" Amount="6650.000" Station="1" Customer="ZZZZZZ" Terminal="0">
<Date Year="2011" Month="07" Day="12"/>
<Time Hour="07" Minute="24" Second="00"/>
<ArticleSale Quantity="175.000" SglPriceAsSold="38.000" SglPriceAsStored="38.000" SglPrice="38.000" Amount="6650.000" FCCAmount="6650.000" Taxrate="19" LogicalFPNumber="1" TankNumber="1" ArtNum="3" SaleNum="1"/>
<Payment PAN="000000001885018677D" Amount="6650.000" TenderCode="0" PayNum="1"/>
</Sale>
<Sale RcpNum="152" Amount="3078.000" Station="1" Customer="000003" Terminal="1">
<Date Year="2011" Month="07" Day="12"/>
<Time Hour="07" Minute="27" Second="00"/>
<ArticleSale Quantity="81.000" SglPriceAsSold="38.000" SglPriceAsStored="38.000" SglPrice="38.000" Amount="3078.000" FCCAmount="3078.000" Taxrate="18" LogicalFPNumber="1" TankNumber="3" ArtNum="3" SaleNum="1"/>
<Payment PAN="000000002117928224D" Amount="3078.000" TenderCode="0" PayNum="1"/>
<Employee Lastname="A MUNIYANDI"/>
<Vehicle LicensePlate="10F"/>
</Sale>
</DocumentData>
</Transactions>
感谢,
你能告诉我们你的XML吗? – prasanth 2013-03-28 06:35:34
显示发生'NullPointerException'的XML代码段和Java代码。 – asgs 2013-03-28 06:38:08
告诉我们您的代码 – prasanth 2013-03-28 06:52:02