1 /** 2  * MyRequestWrapper.java 3  *  4  * @screen 5  * @author havery 6  */ 7 package com.newpp.core.interceptor; 8  9 import java.io.BufferedReader;10 import java.io.ByteArrayInputStream;11 import java.io.IOException;12 import java.io.InputStream;13 import java.io.InputStreamReader;14 15 import javax.servlet.ServletInputStream;16 import javax.servlet.http.HttpServletRequest;17 import javax.servlet.http.HttpServletRequestWrapper;18 19 /**20  * MyRequestWrapper.21  * 22  * @author havery23  */24 public class MyRequestWrapper extends HttpServletRequestWrapper {25     private final String body;26 27     public MyRequestWrapper(HttpServletRequest request) throws IOException {28         super(request);29         StringBuilder stringBuilder = new StringBuilder();30         BufferedReader bufferedReader = null;31         try {32             InputStream inputStream = request.getInputStream();33             if (inputStream != null) {34                 bufferedReader = new BufferedReader(new InputStreamReader(inputStream));35                 char[] charBuffer = new char[128];36                 int bytesRead = -1;37                 while ((bytesRead = bufferedReader.read(charBuffer)) > 0) {38                     stringBuilder.append(charBuffer, 0, bytesRead);39                 }40             } else {41                 stringBuilder.append("");42             }43         } catch (IOException ex) {44             throw ex;45         } finally {46             if (bufferedReader != null) {47                 try {48                     bufferedReader.close();49                 } catch (IOException ex) {50                     throw ex;51                 }52             }53         }54         body = stringBuilder.toString();55     }56 57     @Override58     public ServletInputStream getInputStream() throws IOException {59         final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body.getBytes());60         ServletInputStream servletInputStream = new ServletInputStream() {61             public int read() throws IOException {62                 return byteArrayInputStream.read();63             }64         };65         return servletInputStream;66     }67 68     @Override69     public BufferedReader getReader() throws IOException {70         return new BufferedReader(new InputStreamReader(this.getInputStream()));71     }72 73     public String getBody() {74         return this.body;75     }76 }

MyRequestWrapper myRequestWrapper = new MyRequestWrapper((HttpServletRequest) request);        String body = myRequestWrapper.getBody();