package InterCeptor;

import java.util.Iterator;

import java.util.Map;

import java.util.Map.Entry;

import java.util.Set;

import org.apache.commons.fileupload.disk.DiskFileItem;

import org.apache.commons.fileupload.disk.DiskFileItemFactory;

import org.apache.struts2.components.FieldError;

import sun.reflect.FieldInfo;

import check.CheckRegister;

import com.opensymphony.xwork2.ActionInvocation;

import com.opensymphony.xwork2.interceptor.Interceptor;

import com.opensymphony.xwork2.util.ValueStack;

import com.sun.jndi.url.iiopname.iiopnameURLContextFactory;

import com.sun.org.apache.bcel.internal.generic.NEW;

 

public class MyInterceptor implements Interceptor {

public void destroy() {

DiskFileItemFactory factory=new DiskFileItemFactory();

}

public void init() {

}

public String intercept(ActionInvocation invocation) throws Exception {

System.out.println("befor");

Map map=invocation.getInvocationContext().getParameters();

ValueStack stack=invocation.getInvocationContext().getValueStack();

System.out.println(stack.findString("username"));

Set set= map.entrySet();

Iterator iterator=set.iterator();

while(iterator.hasNext())

{

Entry entry= (Entry) iterator.next();

System.out.println(entry.getKey());

Object vObject=entry.getValue();

if(vObject instanceof String[])

{

String[] vStrings=(String[])vObject;

for(int i=0;i<vStrings.length;i++)

{

vStrings[i]=vStrings[i].trim();

System.out.println("长度="+vStrings.length);

System.out.println("vstring="+vStrings[i]);

}

}

//System.out.println(entry.getValue());

// System.out.println(invocation.getInvocationContext().getValueStack());

}

//String userString=(String) map.get("username");

//System.out.println("username+="+userString);

String temp=invocation.getInvocationContext().getName();

/*Class<CheckRegister> cg=(Class<CheckRegister>) Class.forName(temp);

java.lang.reflect.Field []field=cg.getFields();

for(int i=0;i<field.length;i++)

{

System.out.println("field="+field[i].getName());

}*/

String result=invocation.invoke();

System.out.println("result="+result);

System.out.println("after");

//System.out.println("username+="+userString);

System.out.println(temp+"=temp");

return result;

}

}

通过判断类型可知是string数组类型而不是单纯的string类型