MyObjectUtil对象工具类

package com.sunrise.jop.common.util;import java.lang.reflect.Field; import java.lang.reflect.Method; import java.util.HashMap; import java.util.Map;/*** 对象工具类* */ public class MyObjectUtil {/*** 将对象转为map* Student{* private int age ;* private String name;* * }* Student student = new Student("zhangsan",13)* Map map = MyObjectUtil.objectToMap(student);* map格式为{age=13,name="zhangsan"}* */public static Map<String,Object> objectToMap(Object obj){if(obj==null) return null;Class<?> cls = null;try {String className = obj.getClass().getName();cls = Class.forName(className);} catch (ClassNotFoundException e) {e.printStackTrace();} if(cls==null) return null ;Map<String,Object> map = new HashMap<String,Object>();Field fields[] = cls.getDeclaredFields(); for(int i = 0 ; i < fields.length ; i++){ String methodName = fields[i].getName();String handleMethodName = "get" +firstCharacterToUpperCase(methodName);try {Method getNameMethod = cls.getMethod(handleMethodName);Object value = getNameMethod.invoke(obj);map.put(methodName, value);} catch (Exception e) {e.printStackTrace();}} return map;}/*** 首字母大写* */public static String firstCharacterToUpperCase(String str){if(str==null) return null;StringBuffer sb = new StringBuffer(str);sb.setCharAt(0, Character.toUpperCase(sb.charAt(0)));str = sb.toString();return str;}}

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