上传代码

src/main/java/com/nis/interceptor/LogInterceptor.java

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+package com.nis.interceptor;
+
+import java.text.SimpleDateFormat;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.core.NamedThreadLocal;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+import com.nis.util.DateUtils;
+import com.nis.util.LogUtils;
+import com.nis.web.service.BaseService;
+
+public class LogInterceptor extends BaseService implements HandlerInterceptor{
+	
+	private static final ThreadLocal<Long> timeThreadLocal =
+			new NamedThreadLocal<Long>("ThreadLocal StartTime");
+	
+
+	@Override
+	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
+			throws Exception {
+		long beginTime = System.currentTimeMillis();//1、开始时间  
+		timeThreadLocal.set(beginTime);		//线程绑定变量（该数据只有当前请求的线程可见）  
+		if (logger.isDebugEnabled()){
+	        logger.debug("开始计时: {}  URI: {}", new SimpleDateFormat("hh:mm:ss.SSS")
+	        	.format(beginTime), request.getRequestURI());
+		}
+		
+		
+		return true;
+	}
+
+	@Override
+	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
+			ModelAndView modelAndView) throws Exception {
+		if (modelAndView != null){
+			logger.info("ViewName: " + modelAndView.getViewName());
+		}
+		
+	}
+
+	@Override
+	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
+			throws Exception {
+		long beginTime = timeThreadLocal.get();//得到线程绑定的局部变量（开始时间）  
+		long endTime = System.currentTimeMillis(); 	//2、结束时间  
+		
+		long consumerTime = endTime - beginTime;
+		
+		// 打印JVM信息。
+		if (logger.isDebugEnabled()){
+			
+			Object[] params = new Object[]{
+					new SimpleDateFormat("hh:mm:ss.SSS").format(endTime)
+					, DateUtils.formatDateTime(consumerTime)
+					,request.getRequestURI()
+					,Runtime.getRuntime().maxMemory()/1024/1024
+					,Runtime.getRuntime().totalMemory()/1024/1024
+					,Runtime.getRuntime().freeMemory()/1024/1024
+					,(Runtime.getRuntime().maxMemory()-Runtime.getRuntime().totalMemory()+Runtime.getRuntime().freeMemory())/1024/1024};
+	        logger.debug("计时结束：{}  耗时：{}  URI: {}  最大内存: {}m  已分配内存: {}m  已分配内存中的剩余空间: {}m  最大可用内存: {}m",params);
+	        		
+		}
+		
+		// 保存日志
+		LogUtils.saveLog(request, handler, ex, null, consumerTime);
+				
+		
+	}
+
+}