冲刺第九天

开始整合工作了，预计两天完成，明天是最后一天


查询我的志愿后端代码
`package com.example.yibaifen;

import static androidx.core.content.ContentProviderCompat.requireContext;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.DividerItemDecoration;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.example.yibaifen.Bean.Zhiyuan;
import com.example.yibaifen.Dao.Mysqldb;

import java.util.ArrayList;
import java.util.List;

public class Findmyzhiyuan extends AppCompatActivity {

// UI组件声明
private TextView textViewSample;
private RecyclerView mRecyclerView;
private MyAdapter mMyAdapter;
private EditText search;
private List<Zhiyuan> myzhiyuanList = new ArrayList<>();

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_findmyzhiyuan);
    Intent intent = getIntent();
    String pub = intent.getStringExtra("pub");

    // 初始化UI组件
    textViewSample = findViewById(R.id.textViewSample1);
    mRecyclerView = findViewById(R.id.rev);
    search = findViewById(R.id.search_edit_text);

    // 初始化RecyclerView
    mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
    mRecyclerView.addItemDecoration(new DividerItemDecoration(this, DividerItemDecoration.VERTICAL));

    // 加载数据
    loadZhiyuanData();

    // 监听搜索框内容变化
    search.addTextChangedListener(new TextWatcher() {
        @Override
        public void beforeTextChanged(CharSequence s, int start, int count, int after) {}

        @Override
        public void onTextChanged(CharSequence s, int start, int before, int count) {
            filterZhiyuan(s.toString());
        }

        @Override
        public void afterTextChanged(Editable s) {}
    });

    // 初始化Adapter
    mMyAdapter = new MyAdapter(myzhiyuanList);
    mRecyclerView.setAdapter(mMyAdapter);
}

private void loadZhiyuanData() {
    new Thread(new Runnable() {
        @Override
        public void run() {
            Mysqldb mysqldb = new Mysqldb();
            Intent intent = getIntent();
            String pub = intent.getStringExtra("pub");
            ArrayList<Zhiyuan> zhiyuans = mysqldb.getmypubzhiyuan(pub);

            if (zhiyuans != null) {
                myzhiyuanList.addAll(zhiyuans);

                // 切换到主线程刷新数据
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        mMyAdapter.notifyDataSetChanged();
                    }
                });
            }
        }
    }).start();
}

private void filterZhiyuan(String query) {
    new Thread(new Runnable() {
        @Override
        public void run() {
            Mysqldb mysqldb = new Mysqldb();
            Intent intent = getIntent();
            String pub = intent.getStringExtra("pub");
            List<Zhiyuan> foundList = mysqldb.get_find_mypubzhiyuan(query,pub);

            // 切换到主线程更新数据
            runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    myzhiyuanList.clear();
                    if (foundList != null && !foundList.isEmpty()) {
                        myzhiyuanList.addAll(foundList);
                    }
                    mMyAdapter.notifyDataSetChanged();
                }
            });
        }
    }).start();
}

// 自定义Adapter
class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder> {

    private List<Zhiyuan> dataList;

    public MyAdapter(List<Zhiyuan> dataList) {
        this.dataList = dataList;
    }

    @NonNull
    @Override
    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_list2, parent, false);
        return new MyViewHolder(itemView);
    }

    @Override
    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
        Zhiyuan zhiyuan = dataList.get(position);
        holder.bind(zhiyuan);
    }

    @Override
    public int getItemCount() {
        return dataList.size();
    }

    class MyViewHolder extends RecyclerView.ViewHolder {
        TextView textView1, textView2, textView3, textView4, textView5;
        Button button1;

        public MyViewHolder(@NonNull View itemView) {
            super(itemView);
            textView1 = itemView.findViewById(R.id.textView1);
            textView2 = itemView.findViewById(R.id.textView2);
            textView3 = itemView.findViewById(R.id.textView3);
            textView4 = itemView.findViewById(R.id.textView4);
            textView5 = itemView.findViewById(R.id.textView5);
            button1 = itemView.findViewById(R.id.button1);
        }

        void bind(Zhiyuan zhiyuan) {
            textView1.setText("标题:" + zhiyuan.biaoti);
            textView2.setText("标签:" + zhiyuan.biaoqian);
            textView3.setText("地点:" + zhiyuan.didian);
            textView4.setText("总需人数:" + zhiyuan.renshu);
            textView5.setText("现有人数:" + zhiyuan.crenshu);

            // 添加点击事件处理（此处假设button1是用来响应点击加入的操作）
            button1.setOnClickListener(v -> {
                // 这里处理点击加入的逻辑，例如调用Mysqldb的相关方法进行数据库操作
                // ...
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        Mysqldb mysqldb = new Mysqldb();
                        mysqldb.deleteById(zhiyuan.getId());
                    }

                }).start();
                finish();
            });
        }
    }
}

}`