第二阶段冲刺第二天

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.Stack;


/**
 * @author:created By ZhangHao
 * 时间：2019/6/7 20
 * 邮箱：188660586@qq.com
 */
public class query_result extends Activity {
    public final int stanum=118;
    private String[] site;
    public int inf=1000;
    private int sunOfsite;
    private String line;

    @Override
    protected void onCreate( Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.query_result);
        Site_chose site_chose=new Site_chose();
        int distance[][]=new int[stanum][stanum];
        int path[][]=new int[stanum][stanum];
        /*
        * 加载布局找到控件
        * */
        TextView start_end =(TextView) findViewById(R.id.起点_终点);
        TextView sumOfsite=(TextView) findViewById(R.id.经站数);
        TextView balanceSite =(TextView) findViewById(R.id.剩余班车数);
        LinearLayout click_layout = findViewById(R.id.result_query);
        /*传递第一个需要上传的数据*/
        Intent intent = getIntent();
        String startSite = intent.getStringExtra("startSite");
        String endSite=intent.getStringExtra("endSite");
        start_end.setText(startSite+"-->"+endSite);

       /* 利用flody算法计算第二项数据*/
       //传递存站点信息的数组
        site = site_chose.getSite();
        //初始化连接矩阵
        for(int i=0;i<stanum;i++)
        {
            for(int j=0;j<stanum;j++)
            {
                if(i==j)
                    distance[i][j]=0;
                else
                    distance[i][j]=inf;
            }
        }
//初始化技巧
        int s1[]={0,1,2,3,4,5,6,7,106,8,9,10,109,11,108,12,13,14,15,110,16,111,17,18,19,20,107};
        for( int i=0;i<s1.length-1;i++)
        {
            distance[s1[i]][s1[i+1]]=1;
            distance[s1[i+1]][s1[i]]=1;
        }

        int s2[]={21,22,23,24,106,25,26,27,28,113,29,112,30,31,32,33,114,34,35,115,36,37,38,107,39,40,41,42,43,44,45};
        for(int i=0;i<s2.length-1;i++)
        {
            distance[s2[i]][s2[i+1]]=1;
            distance[s2[i+1]][s2[i]]=1;
        }

        int s3[]={46,47,48,49,50,51,52,53,54,55,112,56,108,117,116,57,58,59,60,61,62,63};
        for(int i=0;i<s3.length-1;i++)
        {
            distance[s3[i]][s3[i+1]]=1;
            distance[s3[i+1]][s3[i]]=1;
        }

        int s4[]={64,65,66,67,68,69,70,71,72,73,74,113,75,109,116,76,77,78,79,80,81,82,83,84,85,86,87,88,89};
        for(int i=0;i<s4.length-1;i++)
        {
            distance[s4[i]][s4[i+1]]=1;
            distance[s4[i+1]][s4[i]]=1;
        }

        int s5[]={116,117,90,91,92,93,94,95,110,96,114,97,98,99,100,101,115,111,102,103,104,105};
        for(int i=0;i<s5.length-1;i++)
        {
            distance[s5[i]][s5[i+1]]=1;
            distance[s5[i+1]][s5[i]]=1;
        }


        floyd(distance,path);
    ArrayList<Object> a= printres(distance,path,startSite,endSite);
        sunOfsite = (int) a.get(1);
       System.out.println("sumofsite:"+ sunOfsite);
        line = a.get(0).toString();
      System.out.println("line:"+ line);
      sumOfsite.setText(""+ sunOfsite);
      balanceSite.setText("30");

      /*为布局添加点击事件*/

      click_layout.setOnClickListener(new View.OnClickListener() {
          @Override
          public void onClick(View v) {

              Intent intent1 = new Intent(getApplication(),xiangxi.class);
              System.out.println("click_line:"+line);
              intent1.putExtra("line", line);
              intent1.putExtra("money", sunOfsite);
             startActivity(intent1);
          }
      });

    }

    void floyd(int dis[][],int path[][])
    {
        //初始化path矩阵
        for(int row=0;row<stanum;row++)
            for(int col=0;col<stanum;col++)
                path[row][col]=row;

        //找最短路径
        for(int k=0;k<stanum;k++)
            for(int i=0;i<stanum;i++)
                for(int j=0;j<stanum;j++)
                    if(dis[i][j]>dis[i][k]+dis[k][j])
                    {
                        dis[i][j]=dis[i][k]+dis[k][j];
                        path[i][j]=path[k][j];
                    }

    }

    //转换车站的名字到矩阵的索引
    int string2int(String s)
    {
        for(int i=0;i<stanum;i++) {
            if(s.equals(site[i]))
            {
                return i;

            }
        }
        return 0;
    }

    ArrayList<Object> printres(int dis[][], int path[][], String start, String dest)
    {
        int s;
        int d;
        ArrayList<Object> arrayList=new ArrayList<Object>();
        s=string2int(start);
        System.out.println("s:"+s);
        d=string2int(dest);
        System.out.println("d:"+d);
        System.out.println("最少经过的车站数量: "+(dis[s][d]+1));
           int  sumSite=dis[s][d];
       System.out.println("经过的车站路径编号: ");
     String line="";

        for(int i=0;i<stanum;i++)
            for(int j=0;j<stanum;j++)
            {
                if(i==s&&j==d) //输出路径
                {
                    Stack<Integer>pathrout=new Stack<>();//压栈
                    int k=j;
                    do{
                        k=path[i][k];
                        Integer temp_k=new Integer(k);
                       pathrout.push(temp_k.intValue());

                    }while(k!=i);

                    //弹栈
                    System.out.print(site[pathrout.peek()]);
                    line+=site[pathrout.peek()];
                    pathrout.pop();

                    int length=pathrout.size();
                    for(int t=0;t<length;t++) {
                        System.out.print("->" + site[pathrout.peek()]);
                        line += "->" + site[pathrout.peek()];
                        pathrout.pop();

                    }
                    System.out.println("->"+site[d]);
                    line+="->"+site[d];
                    break;
                }
            }
         arrayList.add(line);
            arrayList.add(sumSite);
        return arrayList;
    }


}