package framework.base;
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import java.util.Enumeration;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.springframework.web.servlet.HandlerInterceptor;
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import org.springframework.web.servlet.ModelAndView;
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/**
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* 有选择的将 request 中的parameter 放在attribute里
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*
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* @company 北京贝思科技术有限公司
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* @author liuyajun, 8384503@qq.com
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* @date 2016年2月18日
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* @time 上午11:17:34
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*/
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public class RequestParameterInterceptor implements HandlerInterceptor {
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@Override
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public void afterCompletion(HttpServletRequest req, HttpServletResponse res,
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Object obj, Exception e)
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throws Exception {
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}
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@Override
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public void postHandle(HttpServletRequest req, HttpServletResponse res,
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Object obj, ModelAndView mv)
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throws Exception {
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Enumeration<String> en = req.getParameterNames();
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while(en.hasMoreElements()){
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String name = en.nextElement();
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if(req.getAttribute(name) !=null){
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//已经存在,不处理
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continue;
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}
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req.setAttribute(name, req.getParameter(name));
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}
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}
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@Override
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public boolean preHandle(HttpServletRequest req, HttpServletResponse res,
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Object obj) throws Exception {
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return true;
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}
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}
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