使用攔截器

import java.io.IOException;

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import javax.servlet.http.HttpServletRequest;

public class RequestFilter implements Filter {

// 創建線程

public static ThreadLocal threadLocal = new ThreadLocal();

//把request傳入

public void doFilter(ServletRequest arg0, ServletResponse arg1,

FilterChain arg2) throws IOException, ServletException {

threadLocal.set((HttpServletRequest)arg0);

arg2.doFilter(arg0, arg1);

}

public void destroy() {

}

public void init(FilterConfig arg0) throws ServletException {

}

//得到request對象 HttpServletRequest request = RequestFilter.threadLocal.get();

}

RequestFilter

類路徑.RequestFilter

RequestFilter

/*

RequestFilter

*.do

總結

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