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<input name="jump" onkeyup="value=value.replace(/[^(\d)]/g,'')" class="" id="jump" type="text" size="4" />
<script language="JavaScript">
function formcheck(form1) //form1是表单
{var flag = true;
if (form1.jump.value =="")
{ alert("请输入需要跳转的页码!");
form1.jump.focus();
flag = false;
}
return flag;
}
</script>
request.setCharacterEncoding("gb2312") ;
response.setContentType("text/html;charset=GB2312");
int n = 0 ;
while(iter.hasNext()&&n<Pagesize)
{
DB_book m = (DB_book)iter.next() ;
n++ ;
String id=m.getId();
String name=m.getName();
%>
..................省略。
<%
}
if(n==0)
{
out.print("<script type='text/javascript'>alert('未查询到相关信息!');document.location.href='XXX.jsp';</script>");
}
%>
public class Encoding implements Filter{
public void destroy() {
}
public void doFilter(ServletRequest req, ServletResponse res,
FilterChain cha) throws IOException, ServletException {
req.setCharacterEncoding("utf-8");
res.setCharacterEncoding("utf-8");
cha.doFilter(req, res);
}
public void init(FilterConfig arg0) throws ServletException {
}
}
<filter>
<filter-name>encoding</filter-name>
<filter-class>com.etonen.filter.Encoding</filter-class>
</filter>
<filter-mapping>
<filter-name>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
DBClassbook d=new DBClassbook();
Iterator iter=null;
List all = null ;
request.setAttribute("all",d.queryAll());
all = (List)request.getAttribute("all") ;
iter = all.iterator() ;
}
int n = 0 ;
for(int i=0;i<index;i++){
iter.next();
}
while(iter.hasNext()&&n<Pagesize)
{
DB_book m = (DB_book)iter.next() ;
n++ ;
String id=m.getId();
String name=m.getName();