（可转换成json数据，xml数据，map数据）
HttpServletRequestUtil类
import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* 字符串工具
*/
public class HttpServletRequestUtil {
/**
**把request转换成json数据
**/
public static String readReqStr(HttpServletRequest request) {
BufferedReader reader = null;
StringBuilder sb = new StringBuilder();
try {
reader = new BufferedReader(new InputStreamReader(request.getInputStream(), "utf-8"));
String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (null != reader) {
reader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return sb.toString();
}
/**
**把request转换成xml数据
**/
public static String readReqXml(HttpServletRequest request) {
String inputLine;
String notityXml = "";
try {
while ((inputLine = request.getReader().readLine()) != null) {
notityXml += inputLine;
}
request.getReader().close();
} catch (Exception e) {
e.printStackTrace();
return null;
}
return notityXml;
}
/**
**把request转换成map数据
**/
public static Map<String, String> getRequestParams(HttpServletRequest request) {
Map<String, String> params = new HashMap<String, String>();
Map requestParams = request.getParameterMap();
for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext();) {
String name = (String) iter.next();
String[] values = (String[]) requestParams.get(name);
String valueStr = "";
for (int i = 0; i < values.length; i++) {
valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";
}
params.put(name, valueStr);
}
return params;
}
}