首先创建一个实体类

package com.tyzou.controller;public class Test {private String name;private String pwd;public String getName() {return name;}public void setName(String name) {this.name = name;}public String getPwd() {return pwd;}public void setPwd(String pwd) {this.pwd = pwd;}}

2.创建Util类

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;public class Util<T>{/**** List动态转Map* @return* @throws IllegalAccessException * @throws IllegalArgumentException */public  List<Map<String,Object>> listToMap(List<T> list,Class clazz) throws IllegalArgumentException, IllegalAccessException{List<Map<String,Object>> maps=new ArrayList<Map<String,Object>>();Field[] fs = clazz.getDeclaredFields(); //属性集合for(Object obj:list){Map<String,Object> map=new HashMap<String, Object>();for(Field f:fs){f.setAccessible(true); //设置些属性是可以访问的  Object val = f.get(obj);//得到此属性的值     if(f.getType().toString().endsWith("String")){map.put(f.getName(), val);}else if(f.getType().toString().endsWith("Integer")){map.put(f.getName(), val);}else if(f.getType().toString().endsWith("int")){map.put(f.getName(), val);}else if(f.getType().toString().endsWith("float")){map.put(f.getName(), val);}else if(f.getType().toString().endsWith("Float")){map.put(f.getName(), val);}else if(f.getType().toString().endsWith("Double")){map.put(f.getName(), val);}else if(f.getType().toString().endsWith("double")){map.put(f.getName(), val);}else if(f.getType().toString().endsWith("Integer")){map.put(f.getName(), val);}}maps.add(map);}return maps;}public static void main(String[] args) throws IllegalArgumentException, IllegalAccessException {Test test=new Test();test.setName("111111");test.setPwd("aaaaaaa");Test test2=new Test();test2.setName("2222222");test2.setPwd("bbbbbbbbbbbb");List<Test> list=new ArrayList<Test>();list.add(test);list.add(test2);Util<Test> util=new Util<Test>();List<Map<String,Object>> maps=util.listToMap(list, Test.class);for(Map<String,Object> map:maps){Iterator i= map.entrySet().iterator();while(i.hasNext()){Map.Entry e=(Entry) i.next();System.out.println(e.getKey()+"    "+e.getValue());}}}
}

3.查看输出结果

pwd aaaaaaa

name 111111

pwd bbbbbbbbbbbb

name 2222222