struts2自定义类型转换(二)基于StrutsTypeConverter

struts2自定义类型转换(2)基于StrutsTypeConverter

实现自定义类型转换器

package com.org;public class User {private String username;private String password;public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}}
UserAction.java

package com.org;import com.opensymphony.xwork2.ActionSupport;public class UserAction extends ActionSupport {private User user;public void setUser(User user) {this.user = user;}public User getUser() {return user;}@Overridepublic String execute()throws Exception{//测试信息 System.out.println("username: "+getUser().getUsername());System.out.println("password: "+getUser().getPassword());return SUCCESS;}}
UserConvert.java

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package com.org;import java.util.Map;import java.util.StringTokenizer;import org.apache.struts2.util.StrutsTypeConverter;import ognl.DefaultTypeConverter;public class UserConvert extends StrutsTypeConverter {//当需要将字符串向User类型转换时@Overridepublic Object convertFromString(Map arg0, String[] arg1, Class arg2) {// TODO Auto-generated method stub//创建一个User实例 User user = new User();//请求参数数组第一个数组元素String value = arg1[0];//将该字符串分割成字符数组 String values[] = value.split(";");user.setUsername(values[0]);user.setPassword(values[1]);return user;}//当需要将User实例转换成字符串时@Overridepublic String convertToString(Map arg0, Object value) {// TODO Auto-generated method stub//将需要转换的值强制类型转换为User实例 User user = (User)value;String str = "Username: "+user.getUsername()+",Password: "+user.getPassword();return str;}}
UserAction-conversion.properties

user=com.org.UserConvert
struts.xml

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