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if (request.getAttribute("photoshu")!=null){
int photoshu = ((Integer) request.getAttribute("photoshu")).intValue();
}
<%=photoshu%>应用时报错，怎么解决谢谢
int photoshu = ((Integer) request.getAttribute("photoshu")).intValue();
}
<%=photoshu%>应用时报错，怎么解决谢谢
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xzjbeduhs1983 2008-09-03
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<c:if test="${requestScope.photoshu!=null}">
${requestScope.photoshu}
</c:if>
${requestScope.photoshu}
</c:if>
ace112212 2008-09-03
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当 photoshu==null
时就要抛空值针啦
时就要抛空值针啦
lazy122061517 2008-08-28
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变量没有初始化
<%! int photoshu=0; %>
<%
if (request.getAttribute("photoshu")!=null){
photoshu = ((Integer) request.getAttribute("photoshu")).intValue();
}
%>
<%=photoshu%>
<%! int photoshu=0; %>
<%
if (request.getAttribute("photoshu")!=null){
photoshu = ((Integer) request.getAttribute("photoshu")).intValue();
}
%>
<%=photoshu%>
hanbb 2008-08-28
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错误贴出来
natato 2008-08-28
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报这个错the local variable photo may not have been initialized
natato 2008-08-28
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这样还不行
还是报错
还是报错
natato 2008-08-28
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这样还不行
还是报错
还是报错
hanbb 2008-08-28
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int photoshu=0 ;
if (request.getAttribute("photoshu")!=null){
photoshu = ((Integer) request.getAttribute("photoshu")).intValue();
}
<%=photoshu%>
if (request.getAttribute("photoshu")!=null){
photoshu = ((Integer) request.getAttribute("photoshu")).intValue();
}
<%=photoshu%>
ruanguanfei 2008-08-28
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先定义变量photoshu
