创建session对象时:
ground newground = new ground();
session.setAttribute("name",newground);在另一页面取对象时:Object grd = session.getAttribute("name");
ground newg = (ground)grd;
ground newground = new ground();
session.setAttribute("name",newground);在另一页面取对象时:Object grd = session.getAttribute("name");
ground newg = (ground)grd;
解决方案 »
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