synopsis
This class encapsulates the Bing home page of the daily wallpaper view function, provides a way to view, save the wallpaper, the maximum support to view the wallpaper of the last 8 days
Usage
async Task Main()
async
async
var bing = (8); //initialize.
var bing = (8); //initialize, parameter 8 means 8 images will be loaded
var task = await (); //load the wallpaper.
(); //load wallpaper
("date\t" + ); //load wallpapers
("Title\t" + ); //load related information
("Copyright\t" + ); //Load relevant information.
("Link\t" + ); //Load relevant information.
if (await (@"D:\")) //save the current wallpaper
{
("Saved successfully");
};
var task1 = await (); //load the next wallpaper
(); //print the wallpaper
var task2 = await (); //load the previous wallpaper
(); //print the wallpaper
}
catch (Exception ex)
{
(); }
}
}
Effect Preview
API encapsulation
Click to view code
using System;
using ;
using ;
using ;
using ;
using ;
using ;
/// <summary>
/// (of cargo etc) loadBingwallpapers，singleton example，utilizationCreateInstancemethod creates an instance of the class
/// </summary>
public sealed class BingWallpaperAPI
{
private static BingWallpaperAPI _instance = null;
private static readonly object _padlock = new Object();
/// <summary>
/// Creating instances of classes
/// </summary>
/// <param name="imgnums">wallpapers的sheet of paper数，can be1-8intermediate numbers</param>
/// <returns></returns>
public static BingWallpaperAPI CreateInstance(byte imgnums = 3)
{
if (_instance is null)
{
lock (_padlock)
{
if (_instance is null) _instance = new BingWallpaperAPI(imgnums);
}
}
return _instance;
}
private BingWallpaperAPI(byte imgnums)
{
if (imgnums > 8 || imgnums <= 0)
{
_imgnums = 3;
($"support only1-8Pictures，You entered the{imgnums}is reset to3");
}
else { _imgnums = imgnums; }
GetWallpaperLink();
}
/// <summary>built-in index</summary>
private int _index = -1;
/// <summary>
/// (of cargo etc) loadBingwallpapers的quantities，default3
/// </summary>
private static byte _imgnums;
private BingApiModel _bingApiModel;
/// <summary>
/// (of cargo etc) loadwallpapers的JSONformat file，文件中包含了wallpapers的下载地址等关键信息
/// </summary>
/// <exception cref="Exception"></exception>
private void GetWallpaperLink()
{
HttpClient client = new HttpClient();
for (int i = 0; i < 3; i++) //This step will try to3substandard
{
try
{
var res = ($"/?format=js&idx=0&n={_imgnums}&mkt=zh-CN").Result;
//parametersn:1-8 Number of requests returned，目前最多一substandard获取8sheet of paper
//parametersformat:js/xml
//parametersidx:Number of days to request images 0 at the present;1 As of yesterday，reason by analogy（Currently get up to7Pictures from days ago）
//parametersmkt:as suffix city name, means prefecture or county (area administered by a prefecture level city or county level city)
var json = ().Result;
BingApiModel bingApiModel = new BingApiModel();
_bingApiModel = <BingApiModel>(json);
ImageCount = _bingApiModel.();
if (ImageCount == _imgnums)
{
break; //(of cargo etc) load成功时直接终止循环
}
}
catch (Exception ex)
{
if (i == 2) { throw ex; } else ();
}
}
}
/// <summary>
/// according toJSON数据下载wallpapers
/// </summary>
/// <param name="index">_bingApiModelindexing</param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
private async Task<BingWallpaper> GetWallpaper(int index)
{
try
{
using (HttpClient client = new HttpClient())
{
var element = _bingApiModel.images[index];
var res = await ("" + );
//this oneURLThe first of the1920x1080adapt (a story to another medium)UHDbe4k
var imgStream = await ();
return (new BingWallpaper()
{
Wallpaper = (imgStream),
Title = ,
Copyright = ,
CopyrightLink = ,
EndDate = ,
});
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// (of cargo etc) loadJSONData contained in theURLquantities
/// </summary>
public int ImageCount { get;private set; }
/// <summary>
/// 下一sheet of paperwallpapers
/// </summary>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public async Task<BingWallpaper> Next()
{
if (ImageCount == 0)
{
return null;
}
_index++;
if (_index >= ImageCount) //重置indexing
{
_index = 0;
}
return await GetWallpaper(_index);
}
/// <summary>
/// 上一sheet of paperwallpapers
/// </summary>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public async Task<BingWallpaper> Previous()
{
if (ImageCount == 0)
{
return null;
}
_index--;
if (_index < 0)
{
_index = ImageCount - 1; //重置indexing
}
return await GetWallpaper(_index);
}
/// <summary>
/// 保存当前的wallpapers到本地
/// </summary>
/// <param name="path">Path to save、Includes file name（as ifc:\），formatJPEG</param>
/// <returns>保存be否成功</returns>
/// <exception cref="Exception"></exception>
public async Task<bool> SaveCurrentWallpaper(string path)
{
try
{
var task = await Current();
(path, );
return true;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 当前wallpapers
/// </summary>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public async Task<BingWallpaper> Current()
{
if (ImageCount == 0)
{
return null;
}
if (_index == -1)
{
_index = 0;
}
return await GetWallpaper(_index);
}
}
/// <summary>
/// 用来保存wallpapers信息的类模型
/// </summary>
public class BingWallpaper
{
/// <summary>wallpapers</summary>
public Wallpaper { get; set; }
/// <summary>caption</summary>
public string Title { get; set; }
/// <summary>copyright</summary>
public string Copyright { get; set; }
/// <summary>copyright链接</summary>
public string CopyrightLink { get; set; }
/// <summary>
/// wallpapers所属日期
/// </summary>
public string EndDate { get; set; }
}
/// <summary>
/// be used to parseJSONClass Models of Data
/// </summary>
public class BingApiModel
{
/// <summary>
/// Returns a collection of images
/// </summary>
public Image[] images { get; set; }
}
public class Image
{
/// <summary>
/// 每日wallpapers的日期
/// </summary>
public string enddate { get; set; }
/// <summary>
/// wallpapers的地址
/// </summary>
public string url { get; set; }
/// <summary>wallpapers的简述、Shooting address(photographer)</summary>
public string copyright { get; set; }
/// <summary>wallpapers相关搜索链接</summary>
public string copyrightlink { get; set; }
/// <summary>wallpapers的caption</summary>
public string title { get; set; }
}
Original Statement
Author:Falling Moon
Provenance:blogosphere
Reprints: Reprints are permitted and must be credited. A link to the original article must be given in the article.
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