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package com.test.beanutils;
import java.lang.reflect.InvocationTargetException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.beanutils.ConvertUtils;
import org.apache.commons.beanutils.Converter;
import org.apache.commons.beanutils.locale.converters.DateLocaleConverter;
import org.junit.Test;
public class TestBeanUtils {
/**BeanUtils.setProperty设置属性*/
@Test
public void test1() throws IllegalAccessException, InvocationTargetException{
Person person = new Person();
BeanUtils.setProperty(person, "age", 23);
System.out.println(person.getAge());
}
/**BeanUtils.cloneBean克隆一个bean*/
@Test
public void test2() throws IllegalAccessException, InstantiationException, InvocationTargetException, NoSuchMethodException{
Person person = new Person("lucy", 18, "xxxxx@qq.com");
Person cloneBean = (Person) BeanUtils.cloneBean(person);
System.out.println(cloneBean.toString());
}
/**注册转换器*/
@Test
public void test3() throws IllegalAccessException, InvocationTargetException{
ConvertUtils.register(new Converter() {
@Override
public Object convert(Class type, Object value) {
String str = (String) value;
if(null == value){
return null;
}
if(!(value instanceof String)){
System.out.println("格式不正确");
return null;
}
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
try {
Date parse = sdf.parse(str);
return parse;
} catch (ParseException e) {
e.printStackTrace();
}
return null;
}
}, Date.class);
Person person = new Person();
BeanUtils.setProperty(person, "birthday", "2016-07-01");
System.out.println(person.getBirthday());
}
/**将map转换成bean并注册转换器*/
@Test
public void test4() throws IllegalAccessException, InvocationTargetException{
Map<String, Object> map = new HashMap<String, Object>();
map.put("name", "test");
map.put("birthday", "2016-07-01");
ConvertUtils.register(new DateLocaleConverter(), Date.class);
Person person = new Person();
BeanUtils.populate(person, map);
System.out.println(person.getBirthday());
}
/**转换器*/
@Test
public void test5(){
Integer num = (Integer) ConvertUtils.convert("123", Integer.class);
System.out.println(num);
}
}
160704、commons-beanutils.jar常用方法
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原文地址:http://www.cnblogs.com/zrbfree/p/5659845.html