POST要求データ量過大解決策_JAVA
2766 ワード
String param = ParamsUtil.getStreamToString(getRequest()); //
Map params = ParamsUtil.getUrlParams(param); // Map
import org.apache.commons.lang3.StringUtils;
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
public class ParamsUtil {
/**
* url map
* @param param aa=11&bb=22&cc=33
* @return
*/
public static Map getUrlParams(String param) {
Map map = new HashMap<>(0);
if (StringUtils.isBlank(param)) {
return map;
}
String[] params = param.split("&");
for (int i = 0; i < params.length; i++) {
int index = params[i].indexOf("=");
if (index != -1) {
map.put(params[i].substring(0, index), params[i].substring(index+1));
}
}
return map;
}
/**
* map url
* @param map
* @return
*/
public static String getUrlParamsByMap(Map map) {
if (map == null) {
return "";
}
StringBuffer sb = new StringBuffer();
for (Map.Entry entry : map.entrySet()) {
sb.append(entry.getKey() + "=" + entry.getValue());
sb.append("&");
}
String s = sb.toString();
if (s.endsWith("&")) {
s = org.apache.commons.lang.StringUtils.substringBeforeLast(s, "&");
}
return s;
}
/**
* ,
* @param request
* @return
*/
public static String getStreamToString(HttpServletRequest request) {
try {
InputStream inputStream;
inputStream = request.getInputStream();
// ,
StringBuffer requestBuffer = new StringBuffer();
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, "utf-8"));
// ,
String readLine;
while ((readLine = reader.readLine()) != null) {
requestBuffer.append(readLine);
}
reader.close();
return java.net.URLDecoder.decode(requestBuffer.toString(), "utf-8");
} catch(Exception e) {
e.printStackTrace();
return "";
}
}
}
もう1つはtomcatプロファイルを変更することです
maxPostSize="-1" //tomcat7+
maxPostSize="0" //tomcat7-