反射によってbeanに値を割り当てる
1755 ワード
Entity
Ref
Test
package com.restful.reflect;
public class Entity {
private String name;
private String age;
public Entity() {
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
}
Ref
package com.restful.reflect;
import java.lang.reflect.Method;
public class Ref {
public static <T> T fillResponse(T object,String[] paramName,String[] paramVal) {
if (object == null) {
return null;
}
Class<T> clazz = (Class<T>) object.getClass();
for(int i =0 ; i< paramName.length ; i ++){
try {
Method get_Method = clazz.getMethod("get" + getMethodName(paramName[i])); // getMethod
Method set_Method = clazz.getMethod("set" + getMethodName(paramName[i]), get_Method.getReturnType());// set
set_Method.invoke(object, paramVal[i]);
} catch (Exception e) {
}
}
return object;
}
// 、 、
private static String getMethodName(String fildeName) {
byte[] items = fildeName.getBytes();
items[0] = (byte) ((char) items[0] - 'a' + 'A');
return new String(items);
}
}
Test
package com.restful.reflect;
public class Test {
public static void main(String[] args) {
Entity obj = Ref.fillResponse(new Entity(), new String[]{"name","age"}, new String[]{"songjian" ,"12"});
System.out.println(obj.getName()+":"+obj.getAge());
}
}