public void load(HttpEntity entity) throws Exception {
 contentType = null; 
    Header type = entity.getContentType(); 
    if (type != null) { 
        contentType = type.getValue(); 
    } 

    contentEncoding = null; 
    Header encoding = entity.getContentEncoding(); 
    if (encoding != null) { 
        contentEncoding = encoding.getValue(); 
    } 

    Charset charset = ContentType.getOrDefault(entity).getCharset(); 
    if (charset != null) { 
        contentCharset = charset.displayName();  
    }else{
     contentCharset = "utf-8";
    }

   //源碼
   //contentData = EntityUtils.toByteArray(entity); 
    //修改后的代碼
    contentData = EntityUtils.toString(entity, Charset.forName("gbk")).getBytes();

}