Android ArrayAdapter，BaseAdapter，SimpleAdapter适配器绑定数据方法

/**
 * 2017-07-31.Book 类
 */

public class Book {
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author;
    }

    public double getPrice() {
        return price;
    }

    public void setPrice(double price) {
        this.price = price;
    }

    public Book(String name, String author, double price) {
        super();
        this.name = name;
        this.author = author;
        this.price = price;
    }

    private String name;
    private String author;
    private double price;
}

    <!--主xml中，需要用到的ListView-->
    <ListView
        android:id="@+id/List"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"></ListView>

<!--itemlist.xml文件，呈现数据的样式-->
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal">

    <TextView
        android:id="@+id/Author"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

    <TextView
        android:id="@+id/Name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="20pt" />

    <TextView
        android:id="@+id/Price"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="20pt" />

</LinearLayout>

public class MyMain extends Activity {
    List<Book> list = new ArrayList<Book>();
    ListView listView;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //数据写入
        GetListValue();

        listView = (ListView) findViewById(R.id.List);
        arrayAdapter dap=new arrayAdapter(this,list);
        listView.setAdapter(dap);
    }

    private void GetListValue() {
        list.add(new Book("第一行代码 Android 第2版", "郭霖", 57.60));
        list.add(new Book("Android从入门到精通", "明日科技", 13.99));
        list.add(new Book("疯狂Android讲义（第3版）", "李刚", 75.60));
        list.add(new Book("Android开发艺术探索", "任玉刚", 67.20));
    }

    //重新构造ArrayAdapter
    private class arrayAdapter extends ArrayAdapter<Book> {
        public arrayAdapter(Context context, List<Book> books) {
            super(context, 0, 0, books);
        }

        @NonNull
        @Override
        public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
            CheckInfo item;
            View view = convertView;
            if (view == null) {
                view = LayoutInflater.from(MyMain.this).inflate(R.layout.itemlist, parent, false);
                item = new CheckInfo(view);
                view.setTag(item);
            } else {
                item = (CheckInfo) view.getTag();
            }
            Book book = list.get(position);
            TextView tName = item.gettName();
            TextView tPrice = item.gettPrice();
            TextView tAuthor = item.gettAuthor();
            tName.setText(book.getName());
            tPrice.setText(book.getPrice() + "");
            tAuthor.setText(book.getAuthor());
            return view;
        }
    }

    private class CheckInfo {
        TextView tName;
        TextView tAuthor;
        TextView tPrice;
        View view;

        public CheckInfo(View view) {
            this.view = view;
        }

        public TextView gettName() {
            if (tName == null) {
                tName = (TextView) view.findViewById(R.id.Name);
            }
            return tName;
        }

        public TextView gettAuthor() {
            if (tAuthor == null) {
                tAuthor = (TextView) view.findViewById(R.id.Author);
            }
            return tAuthor;
        }

        public TextView gettPrice() {
            if (tPrice == null) {
                tPrice = (TextView) view.findViewById(R.id.Price);
            }
            return tPrice;
        }
    }
}