可依据需要自行改写。
1. 对立拦挡异样配置类。
import com.sun.org.apache.xml.internal.security.Init;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import javax.servlet.http.HttpServletRequest;
/**
* @author : ZhangXiaoHui
* @description : 对立异样拦挡
* @create : 2021/11/23 15:21
*/
@RestControllerAdvice
public class BaseExceptionHandler {private static final com.sun.org.slf4j.internal.Logger LOG = com.sun.org.slf4j.internal.LoggerFactory.getLogger(Init.class);
/**
* 所有异样
* @param e 异样
* @return 后果
*/
@ExceptionHandler(Exception.class)
public String handleException(Exception e) {HttpServletRequest request = WebHttpUtil.getRequest();
LOG.error(e.getMessage(), e);
if (request != null) {String header = WebHttpUtil.parseRequestHeaders(request);
String param = WebHttpUtil.parseParams(request);
String body = WebHttpUtil.parseBodyParams(request);
String ip = WebHttpUtil.getIP(request);
LOG.error("报错接口申请信息: \n" +
"申请 ip：[" + ip + "]\n" +
"申请头：[" + header + "]\n" +
"申请头参数：[" + param + "]\n" +
"申请体参数：[" + body + "]\n");
}
LOG.error(e.getMessage(), e);
return "零碎异样";
}
}2. 解决 HttpServletRequest 的输出流只能读取一次。
import org.springframework.stereotype.Component;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ReadListener;
import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
/**
* @author : ZhangXiaoHui
* @description :
* @create : 2022/9/9 10:45
*/
@Component
@WebFilter(filterName = "HttpServletRequestFilter", urlPatterns = "/")
public class HttpServletRequestFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) { }
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
ServletRequest requestWrapper = null;
if (servletRequest instanceof HttpServletRequest) {requestWrapper = new RequestWrapper((HttpServletRequest) servletRequest);
}
// 获取申请中的流如何，将取出来的字符串，再次转换成流，而后把它放入到新 request 对象中
if (null == requestWrapper) {filterChain.doFilter(servletRequest, servletResponse);
} else {filterChain.doFilter(requestWrapper, servletResponse);
}
}
@Override
public void destroy() {}
/***
* HttpServletRequest 包装器
* 解决: request.getInputStream()只能读取一次的问题
* 指标: 流可反复读
*/
public static class RequestWrapper extends HttpServletRequestWrapper {
/**
* 申请体
*/
private final String body;
public RequestWrapper(HttpServletRequest request) {super(request);
// 将 body 数据存储起来
this.body = getBody(request);
}
/**
* 获取申请体
*
* @param request 申请
* @return 申请体
*/
private String getBody(HttpServletRequest request) {return WebHttpUtil.parseBodyParams(request);
}
@Override
public BufferedReader getReader() {return new BufferedReader(new InputStreamReader(getInputStream()));
}
@Override
public ServletInputStream getInputStream() {
// 创立字节数组输出流
final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body.getBytes(StandardCharsets.UTF_8));
return new ServletInputStream() {
@Override
public boolean isFinished() {return false;}
@Override
public boolean isReady() {return false;}
@Override
public void setReadListener(ReadListener readListener) { }
@Override
public int read() {return byteArrayInputStream.read();
}
};
}
}
}3.Http 工具类
import cn.hutool.core.util.StrUtil;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.Enumeration;
/**
* web 工具类
*
* @author 晓辉
*/
public class WebHttpUtil {
/**
* 返回申请端的 IP 地址
*/
public static String getIP(HttpServletRequest request) {String ip = request.getHeader("x-forwarded-for");
ip = checkIp(ip) ? ip : (checkIp(ip = request.getHeader("Proxy-Client-IP")) ? ip : (checkIp(ip = request.getHeader("WL-Proxy-Client-IP")) ? ip :
request.getRemoteAddr()));
return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : ip;
}
private static boolean checkIp(String ip) {return !StrUtil.isEmpty(ip) && !"unknown".equalsIgnoreCase(ip);
}
public static HttpServletRequest getRequest() {ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
if (servletRequestAttributes == null) {return null;} else {return servletRequestAttributes.getRequest();
}
}
/**
* 获取 get 申请信息
* @param request 申请
* @return 后果
*/
public static String parseParams (HttpServletRequest request) {StringBuilder stringBuilder = new StringBuilder();
Enumeration<String> parameterNames = request.getParameterNames();
while (parameterNames.hasMoreElements()) {String name = parameterNames.nextElement();
String value = request.getParameter(name);
stringBuilder.append(name).append("=").append(value).append(";");
}
return stringBuilder.toString();}
/**
* post 申请体参数
* @param request 申请
* @return 后果
*/
public static String parseBodyParams (HttpServletRequest request) {StringBuilder sb = new StringBuilder();
InputStream inputStream = null;
BufferedReader reader = null;
try {inputStream = request.getInputStream();
reader = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.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();}
/**
* 申请头信息
* @param request 申请
* @return 后果
*/
public static String parseRequestHeaders (HttpServletRequest request) {StringBuilder stringBuilder = new StringBuilder();
Enumeration<String> headerNames = request.getHeaderNames();
stringBuilder.append("URL:").append(request.getRequestURI()).append("\n");
while (headerNames.hasMoreElements()) {String name = headerNames.nextElement();
String value = request.getHeader(name);
stringBuilder.append(name).append("=").append(value).append(";").append("\n");
}
return stringBuilder.toString();}
}4. 实现成果
测试接口
后果
5. 上传文件须要在配置文件中设置（yml 格局）。否则上传文件报错，具体起因没去理解。
6. 适宜不须要全局拦挡所有申请，只显示异样的申请信息。
spring:
mvc:
hiddenmethod:
filter:
enabled: true