035.[转] 获取HttpServletRequest请求Body中的内…
2019-08-16 10:58:11来源:博客园 阅读 ()
035.[转] 获取HttpServletRequest请求Body中的内容
注意:
HttpServletRequest 请求中的 body 内容仅能调用 request.getInputStream(), request.getReader()和request.getParameter("key") 方法读取一次,重复读取会报 java.io.IOException: Stream closed 异常。
原文:https://blog.csdn.net/pengjunlee/article/details/79416687
public String getBodyString(HttpServletRequest request) throws IOException {
StringBuilder sb = new StringBuilder();
InputStream inputStream = null;
BufferedReader reader = null;
try {
inputStream = request.getInputStream();
reader = new BufferedReader(new InputStreamReader(inputStream, Charset.forName("UTF-8")));
String line = "";
while ((line = reader.readLine()) != null) {
sb.append(line);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return sb.toString().trim();
}
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServletRequest;
public class HttpServletRequestReader
{
// 字符串读取
// 方法一
public static String ReadAsChars(HttpServletRequest request)
{
BufferedReader br = null;
StringBuilder sb = new StringBuilder("");
try
{
br = request.getReader();
String str;
while ((str = br.readLine()) != null)
{
sb.append(str);
}
br.close();
}
catch (IOException e)
{
e.printStackTrace();
}
finally
{
if (null != br)
{
try
{
br.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
return sb.toString();
}
// 方法二
public static void ReadAsChars2(HttpServletRequest request)
{
InputStream is = null;
try
{
is = request.getInputStream();
StringBuilder sb = new StringBuilder();
byte[] b = new byte[4096];
for (int n; (n = is.read(b)) != -1;)
{
sb.append(new String(b, 0, n));
}
}
catch (IOException e)
{
e.printStackTrace();
}
finally
{
if (null != is)
{
try
{
is.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
}
// 二进制读取
public static byte[] readAsBytes(HttpServletRequest request)
{
int len = request.getContentLength();
byte[] buffer = new byte[len];
ServletInputStream in = null;
try
{
in = request.getInputStream();
in.read(buffer, 0, len);
in.close();
}
catch (IOException e)
{
e.printStackTrace();
}
finally
{
if (null != in)
{
try
{
in.close();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
return buffer;
}
}
----------------------
Enumeration enu=request.getParameterNames(); while(enu.hasMoreElements()){ String paraName=(String)enu.nextElement(); System.out.println(paraName+": "+request.getParameter(paraName)); }
原文链接:https://www.cnblogs.com/badboyh2o/p/11229397.html
如有疑问请与原作者联系
标签:
版权申明:本站文章部分自网络,如有侵权,请联系:west999com@outlook.com
特别注意:本站所有转载文章言论不代表本站观点,本站所提供的摄影照片,插画,设计作品,如需使用,请与原作者联系,版权归原作者所有
- Java中jar包获取资源文件的方式 2020-06-05
- Java连载120-反射机制获取构造方法和父类、父接口 2020-06-05
- Java获取当前时间到凌晨12点剩余秒数 2020-06-03
- class.getResourceAsStream获取结果为NULL idea配置问题 2020-05-31
- SpringMVC中如何获取请求参数?案例详解 2020-05-19
IDC资讯: 主机资讯 注册资讯 托管资讯 vps资讯 网站建设
网站运营: 建站经验 策划盈利 搜索优化 网站推广 免费资源
网络编程: Asp.Net编程 Asp编程 Php编程 Xml编程 Access Mssql Mysql 其它
服务器技术: Web服务器 Ftp服务器 Mail服务器 Dns服务器 安全防护
软件技巧: 其它软件 Word Excel Powerpoint Ghost Vista QQ空间 QQ FlashGet 迅雷
网页制作: FrontPages Dreamweaver Javascript css photoshop fireworks Flash