/**
* 根据属性名获取属性值
* */
private Object
getFieldValueByName(String fieldName, Object o) {
try {
String firstLetter = fieldName.substring(
0,
1).toUpperCase();
String getter =
"get" + firstLetter + fieldName.substring(
1);
Method method = o.getClass().getMethod(getter,
new Class[] {});
Object value = method.invoke(o,
new Object[] {});
return value;
}
catch (Exception e) {
log.error(e.getMessage(),e);
return null;
}
}
/**
* 获取属性名数组
* */
private String[]
getFiledName(Object o){
Field[] fields=o.getClass().getDeclaredFields();
String[] fieldNames=
new String[fields.length];
for(
int i=
0;i<fields.length;i++){
System.out.println(fields[i].getType());
fieldNames[i]=fields[i].getName();
}
return fieldNames;
}
/**
* 获取属性类型(type),属性名(name),属性值(value)的map组成的list
* */
private List
getFiledsInfo(Object o){
Field[] fields=o.getClass().getDeclaredFields();
String[] fieldNames=
new String[fields.length];
List list =
new ArrayList();
Map infoMap=
null;
for(
int i=
0;i<fields.length;i++){
infoMap =
new HashMap();
infoMap.put(
"type", fields[i].getType().toString());
infoMap.put(
"name", fields[i].getName());
infoMap.put(
"value", getFieldValueByName(fields[i].getName(), o));
list.add(infoMap);
}
return list;
}
/**
* 获取对象的所有属性值,返回一个对象数组
* */
public Object[]
getFiledValues(Object o){
String[] fieldNames=
this.getFiledName(o);
Object[] value=
new Object[fieldNames.length];
for(
int i=
0;i<fieldNames.length;i++){
value[i]=
this.getFieldValueByName(fieldNames[i], o);
}
return value;
}
原文地址:http://blog.csdn.net/linshutao/article/details/7693625