Java中去除字符串两边空格拦截器StringTrimInterceptor

》Java中去除字符串两边空格拦截器StringTrimInterceptor   作者：左轩、Shiny

 

struts.xml：

StringTrimInterceptor.java

package com.huawei.ssi.interceptor;


import java.util.Map;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.AbstractInterceptor;

public class StringTrimInterceptor extends AbstractInterceptor {

	
	private static final long serialVersionUID = -7544853178671114344L;

	@Override
	public String intercept(ActionInvocation invocation) throws Exception {
		//获取ActionContext对象
		ActionContext context = invocation.getInvocationContext();
		//获取客户端参数 存放在一个map集合中
		Map params = context.getParameters();
		for(String key:params.keySet()){
			String[] values = (String[]) params.get(key);
			for(int i=0;i