ADD file via upload

CS体系结构-动态系统/chakan.java

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+package edu.hzuapps.shudongapp;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.ListAdapter;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import java.util.List;
+
+import edu.hzuapps.shudongapp.bean.User;
+
+public class chakan extends AppCompatActivity {
+
+    private EditText ed_name_Search;
+    private TextView tvResult;
+    private MySQLiteOpenHelper mySQLiteOpenHelper;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_chakan);
+
+        ed_name_Search = findViewById(R.id.ed_name_search);
+        tvResult = findViewById(R.id.tv_search_1);
+        mySQLiteOpenHelper = new MySQLiteOpenHelper(this);
+    }
+
+    public void querydata(View view) {
+        String name = ed_name_Search.getText().toString().trim();
+
+        //按姓名从数据库中查询
+        List<User> users = mySQLiteOpenHelper.queryFromDbByName(name);
+        String result = "";
+        for (User u : users){
+            result+= "姓名：" + u.getName() + "\n" + u.getStory() + "\n";
+        }
+
+        tvResult.setText(result);
+
+    }
+
+
+}
+