getbookname.java

来自「一款网上书店的J2EE代码」· Java 代码 · 共 28 行

package com.wang.tags;

import javax.servlet.jsp.JspWriter;
import java.io.IOException;
import javax.servlet.jsp.tagext.BodyContent;
import com.wang.db.AdminDB;
import javax.servlet.jsp.tagext.BodyTagSupport;

public class GetBookName extends BodyTagSupport
{
    JspWriter out = null;
     public int doAfterBody() {
         BodyContent body = getBodyContent();
         String content = body.getString();
         out = body.getEnclosingWriter();
         AdminDB db = new AdminDB();
         int bookId=Integer.parseInt(content);
         String name=db.getBookBean(bookId).getBookName();
         db.Close();
         try {
           out.print(name);
         } catch (IOException e) {
             e.printStackTrace();
         }
         return (SKIP_BODY);
    }
}