src/org/bs/utils/ResultUtils.java

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package org.bs.utils;

import java.lang.reflect.InvocationTargetException;
import java.util.Date;
import java.util.Iterator;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.ConvertUtils;
import org.bs.model.Channel;
import org.bs.model.Dept;


public class ResultUtils {
	static {
		ConvertUtils.register(new ChannelConvert(), Channel.class);
		ConvertUtils.register(new DeptConvert(), Dept.class);
		ConvertUtils.register(new DateConvert(), Date.class);
	}
	public static <T> T copyParams(Class<T> targetClass,HttpServletRequest request){
		T target = null;
		try {
			target = targetClass.newInstance();
		} catch (InstantiationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		Map params = request.getParameterMap();
		for (Iterator iterator = params.entrySet().iterator(); iterator.hasNext();) {
			Map.Entry entry = (Map.Entry) iterator.next();
			String key = (String) entry.getKey();
			String[] values = (String[]) entry.getValue();

				if(values.length == 1){
					try {
						BeanUtils.copyProperty(target, key, values[0]);
					} catch (IllegalAccessException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					} catch (InvocationTargetException e) {
						System.out.println("目标对象："+target.getClass()+"中找不到相应对象"+key);
						e.printStackTrace();
					}
				} else{
					try {
						BeanUtils.copyProperty(target, key, values);//需要注册类型转换器
					} catch (IllegalAccessException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					} catch (InvocationTargetException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
				}
		}