searchitem.java

来自「基于Java的地图数据管理软件。使用MySQL数据库管理系统。」· Java 代码 · 共 78 行

package net.aetherial.gis.our.search;

import java.util.Vector;
import java.util.Hashtable;
import java.util.Enumeration;
import java.io.File;
import net.aetherial.gis.surface.CreateFile;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2004</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class SearchItem {
  public static Hashtable xianData = new Hashtable();
  public SearchItem() {
  }
  public static void addLuduan(String xianName,double licheng){
    if (xianData.get(xianName) == null) {
      Vector ve = new Vector();
      ve.add(licheng+"");
      xianData.put(xianName,ve);
    }else{
      ((Vector)xianData.get(xianName)).add(licheng+"");
    }
  }

  public static String scanToString(){
    String n = "";
    Enumeration keys = xianData.keys();
    Vector temp;
    Object key;
    double licheng = 0;
    while (keys.hasMoreElements()) {
      key = keys.nextElement();
      temp = (Vector) xianData.get(key);
      licheng = 0;
      if (temp == null) {
        temp = new Vector();
      }
      for (int i = 0;temp != null &&  i < temp.size(); i++) {
        licheng += Double.parseDouble(temp.get(i)+"");
      }
      n += key + "\t" + temp.size() + "\t" + licheng+"\r\n";
    }
    return n;
//
//    for (int i = 0; i < xianData.size(); i++) {
//      Vector ve = (Vector)xianData.keys();
//      xianData
//    }
  }

  public static void createFile(String file){
    CreateFile cf = new CreateFile(new File(file));
    cf.setEncode("GB2312");
    cf.memoryToFile(scanToString());
  }

  public static void main(String args[]){
    for (int i = 1; i <= 1000; i++) {
      SearchItem.addLuduan("宗仰",i);
    }
    for (int i = 1; i <= 100; i++) {
      SearchItem.addLuduan("889",i);
    }
    System.out.println(SearchItem.scanToString());
  }

}