好久没有弄过反射了，今天周末，想起来复习了下！

Person实体类

package com.masque.json;import java.util.Date;/*** * @title: 实体信息* @description: json对应封装的实体* @className: Person.java* @author: masque* @createDate: 2013-7-27 * @version: 1.0*/public class Person {	private String name;	private Date birthday;	private Short sex;	private Boolean isMarry;	private Double high;	private Float weight;	public String getName() {		return name;	}	public void setName(String name) {		this.name = name;	}	public Date getBirthday() {		return birthday;	}	public void setBirthday(Date birthday) {		this.birthday = birthday;	}	public Short getSex() {		return sex;	}	public void setSex(Short sex) {		this.sex = sex;	}	public Boolean getIsMarry() {		return isMarry;	}	public void setIsMarry(Boolean isMarry) {		this.isMarry = isMarry;	}	public Double getHigh() {		return high;	}	public void setHigh(Double high) {		this.high = high;	}	public Float getWeight() {		return weight;	}	public void setWeight(Float weight) {		this.weight = weight;	}	}

package com.masque.json;import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.*;/** *  * @title: 反射 * @description: 用来解析json并封装数据 * @className: ObjToObj.java * @createDate: 2013-7-27 * @version: 1.0 */public class ObjToObj {		@SuppressWarnings("all")	public static void main(String[] args) {		//实体对应的字符串形式		String personStr = "{'name':'xiao','birthday':'1989-02-22','sex':'1','isMarry':'false','high':'165.5','weight':'60.55'}"; 		int flag = 1;		//想将字符串解析成Map		Map
     
       inMap = new HashMap
      
       ();		while(flag!=-1){			flag = personStr.indexOf("','");			if(flag==-1) continue;			String pro = personStr.substring(1,flag+1);			personStr = personStr.substring(flag+2);			String [] pp = pro.replaceAll("'", "").split(":");			inMap.put(pp[0], pp[1]);		}				Iterator
       
         it = inMap.keySet().iterator();		Class obj=null;		Object a = null;		try {			obj = Class.forName("com.masque.json.Person");//反射得到类			a = obj.newInstance();//实例化对象		while (it.hasNext()) {			String key = it.next();			Method[] methods = obj.getMethods();//得到所有方法的对象数组			String m = key.substring(0,1).toUpperCase()+key.substring(1);			for (int i = 0; i < methods.length; i++) {				if(methods[i].getName().equals("get"+m)){//get方法才有返回值！					//得到返回值类型					String returnType = methods[i].getReturnType().getSimpleName();					System.out.println(returnType);					Method method = null;					//通过判断属性的类型来转换到对应的对象					if(returnType.equals("Date")){						SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");						method = obj.getDeclaredMethod("set"+m, Date.class);						method.invoke(a,format.parse(inMap.get(key)));					}					if(returnType.equals("Short")){						method = obj.getDeclaredMethod("set"+m, Short.class);						method.invoke(a,Short.parseShort(inMap.get(key)));					}					if(returnType.equals("Boolean")){						method = obj.getDeclaredMethod("set"+m, Boolean.class);						method.invoke(a,Boolean.parseBoolean(inMap.get(key)));					}					if(returnType.equals("Double")){						method = obj.getDeclaredMethod("set"+m, Double.class);						method.invoke(a,Double.parseDouble(inMap.get(key)));					}					if(returnType.equals("Float")){						method = obj.getDeclaredMethod("set"+m, Float.class);						method.invoke(a,Float.parseFloat(inMap.get(key)));					}					if(returnType.equals("String")){						method = obj.getDeclaredMethod("set"+m, String.class);						method.invoke(a,inMap.get(key));					}				}			}		}		} catch (SecurityException e) {			e.printStackTrace();		} catch (NoSuchMethodException e) {			e.printStackTrace();		} catch (IllegalAccessException e) {			e.printStackTrace();		} catch (IllegalArgumentException e) {			e.printStackTrace();		} catch (InvocationTargetException e) {			e.printStackTrace();		} catch (ParseException e) {			e.printStackTrace();		}catch (ClassNotFoundException e) {			e.printStackTrace();		}catch (InstantiationException e) {			e.printStackTrace();		}				System.out.println(((Person)a).getName()+"省略。。。");	}}