private Object form;
public FormHandler(Object form){
this.form=form;
}
public Object setProperty(String key,Object value) throws SecurityException, IllegalArgumentException, NoSuchFieldException, IllegalAccessException, InstantiationException, NoSuchMethodException, InvocationTargetException{
handle(key,value);
return form;
}
public void handle(String key,Object value) throws SecurityException, NoSuchFieldException, IllegalArgumentException, IllegalAccessException, InstantiationException, NoSuchMethodException, InvocationTargetException{
String[] keys = key.split("\\.");
if(keys==null){//key不能为空
return ;
}
// Field f= this.form.getClass().getDeclaredField(keys[0]);
if(keys.length==1){//当前对象属性
// f.set(this.form, value);
Method m= this.form.getClass().getDeclaredMethod("set"+keys[0].substring(0, 1).toUpperCase()+keys[0].substring(1),value.getClass());
m.invoke(this.form,value);
}else{
Method m= this.form.getClass().getDeclaredMethod("get"+keys[0].substring(0, 1).toUpperCase()+keys[0].substring(1));
Object o = (Object) m.invoke(this.form);
Object fieldObj = (Object) new FormHandler(o).setProperty(key.substring(key.indexOf(".")+1), value);
// f.set(this.form, fieldObj);
Method m1= this.form.getClass().getDeclaredMethod("set"+keys[0].substring(0, 1).toUpperCase()+keys[0].substring(1),fieldObj.getClass());
m1.invoke(this.form,fieldObj);
}
}
}
package form;
import java.io.Serializable;
public class CFormBean implements Serializable{
private static final long serialVersionUID = -1566765647655236669L;
private String age;
private String cname;
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getCname() {
return cname;
}
public void setCname(String cname) {
this.cname = cname;
}
@Override
public String toString() {
return "CFormBean [age=" + age + ", cname=" + cname + "]";
}
}
package form;
import java.io.Serializable;
public class FormBean implements Serializable {
private static final long serialVersionUID = 1L;
private String name;
private Integer age;
private CFormBean childFormBean = new CFormBean();
public CFormBean getChildFormBean() {
return childFormBean;
}
public void setChildFormBean(CFormBean childFormBean) {
this.childFormBean = childFormBean;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
@Override
public String toString() {
return "FormBean [name=" + name + ", age=" + age + ", childFormBean="
+ childFormBean + "]";
}
}
// TODO Auto-generated method stub
String formAttrStr = "childFormBean.age";//form表单的属性名称
String formAttrValue="23";//form表单的属性值
String formAttrStr1 = "childFormBean.cname";//form表单的属性名称
String formAttrValue1="张三";//form表单的属性值
String formAttrStr2 = "name";//form表单的属性名称
String formAttrValue2="张三三";//form表单的属性值
String formAttrStr3 = "age";//form表单的属性名称
Integer formAttrValue3= 32;//form表单的属性值
// System.out.println(formAttrStr.substring(formAttrStr.indexOf(".")+1));
form.FormBean bean = new form.FormBean();
/*Field[] fs = bean.getClass().getFields();
for(int i=0;i<fs.length;i++){
System.out.println(fs[i].getName());
}*/
FormHandler handler = new FormHandler(bean);
try {
handler.handle(formAttrStr, formAttrValue);
handler.handle(formAttrStr1, formAttrValue1);
handler.handle(formAttrStr2, formAttrValue2);
handler.handle(formAttrStr3, formAttrValue3);
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchFieldException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(bean);
CFormBean c = bean.getChildFormBean();
System.out.println(c.getAge());
执行结果:
FormBean [name=张三三, age=32, childFormBean=CFormBean [age=23, cname=张三]]
23