GET 和 POST方法获取请求实体内容

缺乏、安全感 2022-05-16 04:04 1767阅读 0赞

## java web获取请求体内容 ##

黄威的世界 2016-05-10 13:53:21 浏览3263 评论0

*  获取请求体截取请求体解析请求体querystring请求体内容

*摘要：* Java Web中如何获取请求体内容呢？ 我们知道请求方式分为两种：Get，Post Java代码   /\*\*\*       \* Compatible with GET and POST       \*        \* @param request       \* @return : <…

[Java Web][]中如何获取请求体内容呢？

我们知道请求方式分为两种：Get，Post

Java代码   ![收藏代码][icon_star.png]

1.  /\*\*\* 
2.       \* Compatible with GET and POST 
3.       \*  
4.       \* @param request 
5.       \* @return : <code>byte\[\]</code> 
6.       \* @throws IOException 
7.       \*/  
8.      public static byte\[\] getRequestQuery(HttpServletRequest request)  
9.              throws IOException \{  
10.         String submitMehtod = request.getMethod();  
11.         String queryString = null;  
12.   
13.         if (submitMehtod.equals(“GET”)) \{ // GET  
14.             queryString = request.getQueryString();  
15.             String charEncoding = request.getCharacterEncoding();// charset  
16.             if (charEncoding == null) \{  
17.                 charEncoding = ”UTF-8”;  
18.             \}  
19.             return queryString.getBytes(charEncoding);  
20.         \} else \{ // POST  
21.             return getRequestPostBytes(request);  
22.         \}  
23.     \}  
24.   
25. /\*\*\* 
26.      \* Get request query string, form method : post 
27.      \*  
28.      \* @param request 
29.      \* @return byte\[\] 
30.      \* @throws IOException 
31.      \*/  
32.     public static byte\[\] getRequestPostBytes(HttpServletRequest request)  
33.             throws IOException \{  
34.         int contentLength = request.getContentLength();  
35.         if(contentLength<0)\{  
36.             return null;  
37.         \}  
38.         byte buffer\[\] = new byte\[contentLength\];  
39.         for (int i = 0; i < contentLength;) \{  
40.   
41.             int readlen = request.getInputStream().read(buffer, i,  
42.                     contentLength - i);  
43.             if (readlen == -1) \{  
44.                 break;  
45.             \}  
46.             i += readlen;  
47.         \}  
48.         return buffer;  
49.     \}  
50. /\*\*\* 
51.      \* Get request query string, form method : post 
52.      \*  
53.      \* @param request 
54.      \* @return 
55.      \* @throws IOException 
56.      \*/  
57.     public static String getRequestPostStr(HttpServletRequest request)  
58.             throws IOException \{  
59.         byte buffer\[\] = getRequestPostBytes(request);  
60.         String charEncoding = request.getCharacterEncoding();  
61.         if (charEncoding == null) \{  
62.             charEncoding = ”UTF-8”;  
63.         \}  
64.         return new String(buffer, charEncoding);  
65.     \}

说明：当请求方式为“Get”时，直接使用request.getQueryString()获取String

当请求方式为“Post”时，读取InputStream（request.getInputStream()）

</div>
    
        <div class="copyright-outer-line yq-blog-sem-remove">
            <div class="yq-blog-sem-remove copyright-notice">
            版权声明：本文内容由互联网用户自发贡献，版权归作者所有，本社区不拥有所有权，也不承担相关法律责任。如果您发现本社区中有涉嫌抄袭的内容，欢迎发送邮件至：<a href="mailto:yqgroup@service.aliyun.com">yqgroup@service.aliyun.com</a> 进行举报，并提供相关证据，一经查实，本社区将立刻删除涉嫌侵权内容。
        </div>
        </div>
    <div class="yq-blog-sem-remove" style="text-align:center; margin-top:10px"><img src="//img.alicdn.com/tfs/TB1lKbLGb9YBuNjy0FgXXcxcXXa-512-512.png" style="width: 144px; height:144px"><p>用云栖社区APP，舒服~</p></div>
                        <div class="yq-blog-sem-remove" style="margin-top: 20px;font-size: 12px;line-height: 1.8;color:#373d41;font-family:PingFangSC-Regular;word-break: break-all;">
                【云栖快讯】Apache旗下顶级开源盛会 HBasecon Asia 2018将于8月17日在京举行，现场仅600席，免费赠票领取入口  <a href="https://yq.aliyun.com/promotion/631" target="_blank" rel="nofollow">详情请点击</a>
            </div>
    
    <div class="footer-detail yq-blog-sem-remove yq-blog-interaction clearfix">
        <a href="#comment" class="icon-pinglun comment_btn">评论  (<i>0</i>)</a>
        <span id="vote_btn" has_voted="" data-aid="40930" data-islogin="false" title="点赞" class="icon-zan opt-btn vote_btn ">点赞 (<span id="vote_num">0</span>)</span>
        <span id="mark_btn" has_marked="" data-aid="40930" data-islogin="false" title="收藏" class="icon-love opt-btn mark_btn ">收藏 (<span id="mark_num">0</span>)</span>
        <dl class="share-to">
            <dt>分享到:</dt>
            <dd>
                <a href="http://service.weibo.com/share/share.php?title=java+web%E8%8E%B7%E5%8F%96%E8%AF%B7%E6%B1%82%E4%BD%93%E5%86%85%E5%AE%B9+%0AJava+Web%E4%B8%AD%E5%A6%82%E4%BD%95%E8%8E%B7%E5%8F%96%E8%AF%B7%E6%B1%82%E4%BD%93%E5%86%85%E5%AE%B9%E5%91%A2%EF%BC%9F%0A%E6%88%91%E4%BB%AC%E7%9F%A5%E9%81%93%E8%AF%B7%E6%B1%82%E6%96%B9%E5%BC%8F%E5%88%86%E4%B8%BA%E4%B8%A4%E7%A7%8D%EF%BC%9AGet%EF%BC%8CPost%0A%0A%0AJava%E4%BB%A3%E7%A0%81%C2%A0%C2%A0%0A%0A%0A%2F%2A%2A%2A%C2%A0%0A%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%2A%C2%A0Compatible%C2%A0with%C2%A0GET%C2%A0and%C2%A0POST%C2%A0%0A%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%2A%C2%A0%C2%A0%0A%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%2A%C2%A0%40param%C2%A0request%C2%A0%0A%C2%A0%C2%A0%C2%A0%C2%A0%C2%A0%2A%C2%A0%40return%C2%A0%3A%C2%A0%3C...&url=https%3A%2F%2Fyq.aliyun.com%2Farticles%2F40930" target="_blank" class="icon-weibo"></a>
                <div class="wechat">
                    <i class="icon-weixin"></i>
                    <img src="/api/qrcode?size=140&key=dd965deb73295cbb7260315e00b8eac2179a36ad&text=https%3A%2F%2Fyq.aliyun.com%2Farticles%2F40930" alt="">
                </div>
            </dd>
        </dl>
    </div>
    <div class="yq-blog-pre-next yq-blog-sem-remove">
        <ul class="about-c-list">
                            <li><a href="/articles/40927">上一篇：关于sessionid的一些问题</a></li>
                                        <li><a href="/articles/40932">下一篇：java 产生随机数</a></li>
                    </ul>
    </div>
            <div class="yq-blog-related-articles yq-blog-sem-remove">
            <h3 class="title-info">相关文章</h3>
            <ul class="about-c-list">
                                    <li>
                        <a href="/articles/54663">
                                                            请求转发和请求包含
                                                    </a>
                    </li>
                                    <li>
                        <a href="/articles/40650">
                                                            java  web http请求转发
                                                    </a>
                    </li>
                                    <li>
                        <a href="/articles/394397">
                                                            Servlet 手记
                                                    </a>
                    </li>
                                    <li>
                        <a href="/articles/104309">
                                                            JSP内置对象
                                                    </a>
                    </li>
                                    <li>
                        <a href="/articles/611835">
                                                            JSP面试题都在这里
                                                    </a>
                    </li>
                                    <li>
                        <a href="/articles/561905">
                                                            Axis2用法:客户端和服务端
                                                    </a>
                    </li>
                                    <li>
                        <a href="/articles/231246">
                                                            应对安全漏洞：如何将LFI变为RFI
                                                    </a>
                    </li>
                                    <li>
                        <a href="/articles/349394">
                                                            javaweb学习总结(二十七)——jsp简单标签开发案…
                                                    </a>
                    </li>
                                    <li>
                        <a href="/articles/455209">
                                                            Servlet - 基础
                                                    </a>
                    </li>
                                    <li>
                        <a href="/articles/37078">
                                                            JSP 三讲
                                                    </a>
                    </li>
                            </ul>
        </div>
        <div class="yq-blog-comment yq-blog-sem-remove">
        <h3 class="title-info">网友评论</h3>
                    <section class="comments-box clearfix">
                <div class="media-list comments" id="comments">

</div>
    
                <form accept-charset="UTF-8" action="/comments" method="POST" data-remote="true" data-target="#comments" class="js-comment-create js-active-on-valid css-unlogin">
                    <input type="hidden" name="type" value="article">
                    <input type="hidden" name="yunqi_csrf" value="8XQIN8DEK4">
                    <input type="hidden" name="isCheck" value="1">
                    <input type="hidden" name="pid" value="40930">
    
                    <div class="form-group">
                        <div class="editor">
                                                            <div class="login_tips" id="comment">登录后可评论，请 <a id="fast_login" href="https://account.aliyun.com/login/login.htm?from_type=yqclub&oauth_callback=https%3A%2F%2Fyq.aliyun.com%2Farticles%2F40930%3Fdo%3Dlogin" class="s4" hidefocus="true" rel="nofollow">登录</a> 或 <a href="https://account.aliyun.com/register/register.htm?from_type=yqclub&oauth_callback=https%3A%2F%2Fyq.aliyun.com%2Farticles%2F40930%3Fdo%3Dlogin" target="_blank" class="s4" hidefocus="true" rel="nofollow">注册</a></div>
                                                    </div>
                    </div>
    
    
                    <div class="form-group text-right">
                                                    <a href="#modal-login" class="comment_button" data-toggle="modal">评论</a>
                                            </div>
                </form>
            </section>
            </div>

[Java Web]: http://lib.csdn.net/base/13
[icon_star.png]: /images/20220516/0c4b2259ddf746ee98b5516863dfc957.png