package com.moral.Webinterceptor;
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import com.alibaba.fastjson.JSONObject;
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import org.springframework.web.servlet.HandlerInterceptor;
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import org.springframework.web.servlet.ModelAndView;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.PrintWriter;
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import java.util.HashMap;
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public class WebInterceptor implements HandlerInterceptor {
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public static final String SESSION_KEY = "USER_LOGIN";
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@Override
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public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
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if (request.getSession().getAttribute(SESSION_KEY) == null) {
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HashMap resultMap = new HashMap<String, Object>();
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resultMap.put("msg", "未登录");
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resultMap.put("accountId", -1);
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JSONObject json = new JSONObject(resultMap);
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response.setContentType("application/json; charset=utf-8");
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PrintWriter writer = response.getWriter();
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writer.write(json.toString());
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return false;
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}
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return true;
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}
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@Override
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public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {
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}
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@Override
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public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {
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}
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}
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