ajax利用json在struts2.0中的使用

package tutorial; import java.util.ArrayList; import java.util.List; import com.googlecode.jsonplugin.annotations.JSON; import com.opensymphony.xwork2.ActionSupport; public class JsonPluginAction extends ActionSupport { private int bookId; private String title; private double price; private List comments=new ArrayList();; private transient String secret1; private String secret2; @JSON(name="ISBN") public int getBookId() { return bookId; } public void setBookId(int bookId) { this.bookId = bookId; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public double getPrice() { return price; } public void setPrice(double price) { this.price = price; } public List getComments() { return comments; } public void setComments(List comments) { this.comments = comments; } public String getSecret1() { return secret1; } public void setSecret1(String secret1) { this.secret1 = secret1; } public String getSecret2() { return secret2; } @Override public String execute() throws Exception { bookId=1234567; title="how are you"; price=12.5; comments.add("经济改革"); comments.add("社会变更"); comments.add("人文风俗"); secret1="It is very nice to meet you"; secret2="I love you!"; return "success"; } public void setSecret2(String secret2) { this.secret2 = secret2; } }