booknametag.java

来自「这是图书管理系统 ~~用JSP实现的 大家要的可以」· Java 代码 · 共 27 行

package jthink.tags;
import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.JspWriter;
import jthink.bean.db.DataBean;
import java.io.IOException;
import java.util.ArrayList;
import jthink.bean.BooksTypeBean;

public class BookNameTag extends BodyTagSupport {
    JspWriter out = null;
     public int doAfterBody() {
         BodyContent body = getBodyContent();
         String content = body.getString();
         out = body.getEnclosingWriter();
         DataBean db = new DataBean();
         int bookID=Integer.parseInt(content);
         String name=db.getBooksBean(bookID).getBooks_Name();
         db.Close();
         try {
           out.print(name);
         } catch (IOException e) {
             e.printStackTrace();
         }
         return (SKIP_BODY);
    }
}