testpage.java

来自「jsp实现的分页连接数据库的新闻发布系统tomcat＋jsp+jdk1.4」· Java 代码 · 共 61 行

package mypack;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.PageContext;
import java.io.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.tagext.Tag;
import javax.servlet.jsp.JspException;

public class TestPage implements Tag {
	PageContext pageContext;
	HttpServletRequest request;
	String page;
	public String getPage(String page){

		return this.page="1";
		}
	public void setPageContext(PageContext parm1) {
		// TODO: Add your code here
		this.pageContext=parm1;
	}

	public void setParent(Tag parm1) {
		// TODO: Add your code here
	}

	public Tag getParent() {
		// TODO: Add your code here
		return null;
	}

	public int doStartTag() throws JspException {
		// TODO: Add your code here
		return this.SKIP_BODY;
	}

	public int doEndTag() throws JspException {
		// TODO: Add your code here
		try {
				PageTest pt=new PageTest();
		
		String str=pt.PageFooter();
		
		if(page==null||page.equals("")){page="1";}
		else{page=pageContext.getRequest().getParameter("page");}
		System.out.println (page);
		pageContext.getOut().print(pt.querySql(page));
		
	    }
	    catch (Exception ex) {
	    	ex.printStackTrace();
	    }
	return this.EVAL_PAGE;
		
	}

	public void release() {
		// TODO: Add your code here
	}
	
	}