在servlet中GET請求可以通過HttpServletRequest的getRequestURL方法和getQueryString()得到完整的請求路徑和請求所有參數列表，POST的需要getParameterMap()方法遍歷得到，不論GET或POST都可以通過getRequestURL+getParameterMap()來得到請求完整路徑：

package com.zuidaima import java.io.IOException; import java.io.PrintWriter; import java.util.Map;import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;public class GetParams extends HttpServlet {private static final long serialVersionUID = 1L;public GetParams() {super();}protected void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {PrintWriter writer = response.getWriter();writer.println("GET " + request.getRequestURL() + " "+ request.getQueryString());Map<String, String[]> params = request.getParameterMap();String queryString = "";for (String key : params.keySet()) {String[] values = params.get(key);for (int i = 0; i < values.length; i++) {String value = values[i];queryString += key + "=" + value + "&";}}// 去掉最后一個空格queryString = queryString.substring(0, queryString.length() - 1);writer.println("GET " + request.getRequestURL() + " " + queryString);}protected void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {PrintWriter writer = response.getWriter();Map<String, String[]> params = request.getParameterMap();String queryString = "";for (String key : params.keySet()) {String[] values = params.get(key);for (int i = 0; i < values.length; i++) {String value = values[i];queryString += key + "=" + value + "&";}}// 去掉最后一個空格queryString = queryString.substring(0, queryString.length() - 1);writer.println("POST " + request.getRequestURL() + " " + queryString);} }

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轉載于:https://www.cnblogs.com/GarfieldTom/p/5100916.html

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