package cn.jbit.util; import java.beans.IntrospectionException; import java.beans.PropertyDescriptor; import java.io.UnsupportedEncodingException; import java.lang.reflect.Field; import java.lang.reflect.Method; import java.net.URLDecoder; import java.text.SimpleDateFormat; import java.util.Collection; import java.util.Date; import java.util.Enumeration; import java.util.HashMap; import java.util.Map; import javax.imageio.spi.ServiceRegistry.Filter; import javax.servlet.http.HttpServletRequest; public class RequestUtil { public static Object getObject(HttpServletRequest request, Class clazz, String enc) throws UnsupportedEncodingException, IntrospectionException, InstantiationException, IllegalAccessException { Field[] fields = clazz.getDeclaredFields(); Object obj = clazz.newInstance(); request.setCharacterEncoding(enc); Map<String, String> map = new HashMap<String, String>(); if (request.getMethod().equals("GET")) { System.out.println("-----------GET--------------------"); String query = URLDecoder.decode(request.getQueryString(), enc); String[] str = query.split("&"); for (String string : str) { try { map.put(string.split("=")[0], string.split("=")[1]); } catch (Exception e) { e.printStackTrace(); } } } else { System.out.println("-----------POST--------------------"); Map<String, String[]> parmmap = request.getParameterMap(); for (String key : parmmap.keySet()) { try { map.put(key, parmmap.get(key)[0]); } catch (Exception e) { e.printStackTrace(); } } } for (Field field : fields) { try { PropertyDescriptor pd = new PropertyDescriptor(field.getName(), clazz); Method seter = pd.getWriteMethod(); if (field.getType().getName().equals(int.class.getName()) || field.getType().getName() .equals(Integer.class.getName())) { seter.invoke(obj, Integer.valueOf(map.get(field.getName()))); } else if (field.getType().getName() .equals(Date.class.getName())) { SimpleDateFormat sdf = new SimpleDateFormat(); Date date = sdf.parse(map.get(field.getName())); seter.invoke(obj, date); } else if (field.getType().getName() .equals(Double.class.getName()) || field.getType().getName() .equals(double.class.getName())) { seter.invoke(obj, Double.valueOf(map.get(field.getName()))); } else if (field.getType().getName() .equals(String.class.getName())) { seter.invoke(obj, map.get(field.getName())); } } catch (Exception e) { System.out.println("异常 了"); } } return obj; } }
时间: 2024-11-09 06:09:28