拦截器——替换表单中的敏感词

来源：互联网发布：java 打印byte数组编辑：程序博客网时间：2024/05/21 22:31
RegistAction.java
package tutorial;import java.text.DateFormat;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;import com.opensymphony.xwork2.ActionSupport;public class RegisterAction extends ActionSupport {/** *  */private static final long serialVersionUID = 1L;private String username;private Date birthday;private double height;private String sex;private String hobby;public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public Date getBirthday() {return birthday;}public void setBirthday(Date birthday) {this.birthday = birthday;}public double getHeight() {return height;}public void setHeight(double height) {this.height = height;}public String getSex() {return sex;}public void setSex(String sex) {this.sex = sex;}public String getHobby() {return hobby;}public void setHobby(String hobby) {this.hobby = hobby;}public static long getSerialversionuid() {return serialVersionUID;}// 校验方法，用来输入校验public void validate() {// 校验是否输入用户名if (getUsername() == null || getUsername().trim().equals("")) {addFieldError("username",getText("nameNotNull"));}else        //校验用户名长度if(username.length()<2||username.length()>50){addFieldError("username", getText("nameRange"));}// 校验是否输入密码if (getHeight()== 0.0) {addFieldError("height", getText("heightNotNull"));}//校验密码的组成与长度else if(height<100||height>250){addFieldError("height", getText("heightRange"));}DateFormat dateFormat1 = new SimpleDateFormat("yyyy-MM-dd");          Date myDate1 = null;        Date myDate2 = null;try {myDate1 = dateFormat1.parse("1900-01-01");myDate2 = dateFormat1.parse("2020-12-31"); } catch (ParseException e) {// TODO Auto-generated catch blocke.printStackTrace();}    // 校验是否输入生日if (getBirthday() == null) {addFieldError("birthday", getText("birthdayNotNull"));} else// 校验是否输入正确的生日日期if (getBirthday().before(myDate1)||getBirthday().after(myDate2)) {addFieldError("birthday", getText("birthdayRange"));}}}

TextInterceptor.java
package tutorial;import com.opensymphony.xwork2.Action;import com.opensymphony.xwork2.ActionInvocation;import com.opensymphony.xwork2.interceptor.AbstractInterceptor;public class TextInterceptor extends AbstractInterceptor{/** * */private static final long serialVersionUID = 1L;@Overridepublic String intercept(ActionInvocation invocation) throws Exception {// TODO Auto-generated method stubObject object = invocation.getAction();if(object!=null){//判断object是否是Text的实例if(object instanceof RegisterAction){RegisterAction action = (RegisterAction)object;String username=action.getUsername();if(username.contains("obm")){username=username.replaceAll("obm", "***");action.setUsername(username);}return invocation.invoke();}else{return Action.LOGIN;}}return Action.LOGIN;}}
struts.xml的配置
<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"><struts><package name="default" extends="struts-default"><interceptors><interceptor name="replace" class="tutorial.TextInterceptor"></interceptor></interceptors><!-- Action名字，类以及导航页面定义 --><!-- 通过Action类处理才导航的的Action定义 --><action name="Register" class="tutorial.RegisterAction"><!-- 配置拦截器 --><interceptor-ref name="validationWorkflowStack"/><result name="input">reg.jsp</result><result name="success">ok.jsp</result><interceptor-ref name = "defaultStack"></interceptor-ref><interceptor-ref name = "replace"></interceptor-ref></action></package></struts>    


reg.jsp 
 <body>    <h1><s:text name="title"></s:text></h1>    <form name="form1" method="post" action="Register">    <s:textfield name="username" label="%{getText('Name')}"></s:textfield><br/>    <s:textfield name="birthday" label="%{getText('Birthday')}"></s:textfield><br/>    <s:textfield name="height" label="%{getText('Height')}"></s:textfield><br/>    <label ><s:text name="Sex"/></label>    <input type="radio" name="sex" value="male" checked="checked" ><s:text name="male"/>    <input type="radio" name="sex" value="female"><s:text name="female"/><br/>    <s:select label = "%{getText('Hobby')}" list="{'其他','文字','体育'}" name="hobby"></s:select><br/>    <input type="submit"name="submit" value='<s:text name="submit"/>' >    </form>  </body>
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