无限级树(Java递归)

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所需积分/C币:31 2008-11-12 09:33:11 7KB TEXT/X-JAVA
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无限级树(Java递归) 2007-02-08 10:26 这几天,用java写了一个无限极的树,递归写的,可能代码不够简洁,性能不够好,不过也算是练习,这几天再不断改进。前面几个小图标的判断,搞死我了。 package com.nickol.servlet; import java.io.IOException; import java.io.PrintWriter; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.util.ArrayList; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.nickol.utility.DB; public class category extends HttpServlet { /** * The doGet method of the servlet. * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setCharacterEncoding("utf-8"); response.setContentType("text/html"); PrintWriter out = response.getWriter(); out .println(""); out.println(""); out.println(" Category" + "" + "body{font-size:12px;}" + "" + "" + ""); out.println(" "); out.println(showCategory(0,0,new ArrayList(),"0")); out.println(" "); out.println(""); out.flush(); out.close(); } public String showCategory(int i,int n,ArrayList frontIcon,String countCurrent){ int countChild = 0; n++; String webContent = new String(); ArrayList temp = new ArrayList(); try{ Connection conn = DB.GetConn(); PreparedStatement ps = DB.GetPs("select * from category

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个b 还可以解决了问题
2015-02-28
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xing007008 多谢共享,不是我想要的,但同样感谢楼主。
2013-02-22
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sjzzdf123 很好,不错,謝谢楼主分享,數据结构有待加强.
2013-01-27
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zkl312743141 谢谢楼主分享,虽然不是我想要的,不过还是谢谢@@@@
2012-07-29
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