C#怎么解析json格式数据？

Question

json格式数据如下 C# 怎么解析呢？
{"weatherinfo":{"city":"北京","city_en":"beijing","date_y":"2013年6月19日","date":"","week":"星期三","fchh":"11","cityid":"101010100","temp1":"34℃~22℃","temp2":"32℃~22℃","temp3":"30℃~21℃","temp4":"26℃~20℃","temp5":"28℃~21℃","temp6":"30℃~22℃","tempF1":"93.2℉~71.6℉","tempF2":"89.6℉~71.6℉","tempF3":"86℉~69.8℉","tempF4":"78.8℉~68℉","tempF5":"82.4℉~69.8℉","tempF6":"86℉~71.6℉","weather1":"晴","weather2":"晴转多云","weather3":"多云转阴","weather4":"雷阵雨转晴","weather5":"晴转多云","weather6":"多云转阴","img1":"0","img2":"99","img3":"0","img4":"1","img5":"1","img6":"2","img7":"4","img8":"0","img9":"0","img10":"1","img11":"1","img12":"2","img_single":"0","img_title1":"晴","img_title2":"晴","img_title3":"晴","img_title4":"多云","img_title5":"多云","img_title6":"阴","img_title7":"雷阵雨","img_title8":"晴","img_title9":"晴","img_title10":"多云","img_title11":"多云","img_title12":"阴","img_title_single":"晴","wind1":"微风","wind2":"微风","wind3":"微风","wind4":"微风","wind5":"微风","wind6":"微风","fx1":"微风","fx2":"微风","fl1":"小于3级","fl2":"小于3级","fl3":"小于3级","fl4":"小于3级","fl5":"小于3级","fl6":"小于3级","index":"炎热","index_d":"天气炎热，建议着短衫、短裙、短裤、薄型T恤衫等清凉夏季服装。","index48":"炎热","index48_d":"天气炎热，建议着短衫、短裙、短裤、薄型T恤衫等清凉夏季服装。","index_uv":"很强","index48_uv":"强","index_xc":"适宜","index_tr":"较适宜","index_co":"很不舒适","st1":"34","st2":"23","st3":"31","st4":"22","st5":"30","st6":"20","index_cl":"适宜","index_ls":"极适宜","index_ag":"不易发"}}

Answer 1

public class Weatherinfo
{
/// <summary>
/// 北京
/// </summary>
public string city { get; set; }
/// <summary>
///
/// </summary>
public string city_en { get; set; }
/// <summary>
/// 2013年6月19日
/// </summary>
public string date_y { get; set; }
/// <summary>
///
/// </summary>
public string date { get; set; }
/// <summary>
/// 星期三
/// </summary>
public string week { get; set; }
/// <summary>
///
/// </summary>
public string fchh { get; set; }
/// <summary>
///
/// </summary>
public string cityid { get; set; }
/// <summary>
///
/// </summary>
public string temp1 { get; set; }
/// <summary>
///
/// </summary>
public string temp2 { get; set; }
/// <summary>
///
/// </summary>
public string temp3 { get; set; }
/// <summary>
///
/// </summary>
public string temp4 { get; set; }
/// <summary>
///
/// </summary>
public string temp5 { get; set; }
/// <summary>
///
/// </summary>
public string temp6 { get; set; }
/// <summary>
///
/// </summary>
public string tempF1 { get; set; }
/// <summary>
///
/// </summary>
public string tempF2 { get; set; }
/// <summary>
///
/// </summary>
public string tempF3 { get; set; }
/// <summary>
///
/// </summary>
public string tempF4 { get; set; }
/// <summary>
///
/// </summary>
public string tempF5 { get; set; }
/// <summary>
///
/// </summary>
public string tempF6 { get; set; }
/// <summary>
/// 晴
/// </summary>
public string weather1 { get; set; }
/// <summary>
/// 晴转多云
/// </summary>
public string weather2 { get; set; }
/// <summary>
/// 多云转阴
/// </summary>
public string weather3 { get; set; }
/// <summary>
/// 雷阵雨转晴
/// </summary>
public string weather4 { get; set; }
/// <summary>
/// 晴转多云
/// </summary>
public string weather5 { get; set; }
/// <summary>
/// 多云转阴
/// </summary>
public string weather6 { get; set; }
/// <summary>
///
/// </summary>
public string img1 { get; set; }
/// <summary>
///
/// </summary>
public string img2 { get; set; }
/// <summary>
///
/// </summary>
public string img3 { get; set; }
/// <summary>
///
/// </summary>
public string img4 { get; set; }
/// <summary>
///
/// </summary>
public string img5 { get; set; }
/// <summary>
///
/// </summary>
public string img6 { get; set; }
/// <summary>
///
/// </summary>
public string img7 { get; set; }
/// <summary>
///
/// </summary>
public string img8 { get; set; }
/// <summary>
///
/// </summary>
public string img9 { get; set; }
/// <summary>
///
/// </summary>
public string img10 { get; set; }
/// <summary>
///
/// </summary>
public string img11 { get; set; }
/// <summary>
///
/// </summary>
public string img12 { get; set; }
/// <summary>
///
/// </summary>
public string img_single { get; set; }
/// <summary>
/// 晴
/// </summary>
public string img_title1 { get; set; }
/// <summary>
/// 晴
/// </summary>
public string img_title2 { get; set; }
/// <summary>
/// 晴
/// </summary>
public string img_title3 { get; set; }
/// <summary>
/// 多云
/// </summary>
public string img_title4 { get; set; }
/// <summary>
/// 多云
/// </summary>
public string img_title5 { get; set; }
/// <summary>
/// 阴
/// </summary>
public string img_title6 { get; set; }
/// <summary>
/// 雷阵雨
/// </summary>
public string img_title7 { get; set; }
/// <summary>
/// 晴
/// </summary>
public string img_title8 { get; set; }
/// <summary>
/// 晴
/// </summary>
public string img_title9 { get; set; }
/// <summary>
/// 多云
/// </summary>
public string img_title10 { get; set; }
/// <summary>
/// 多云
/// </summary>
public string img_title11 { get; set; }
/// <summary>
/// 阴
/// </summary>
public string img_title12 { get; set; }
/// <summary>
/// 晴
/// </summary>
public string img_title_single { get; set; }
/// <summary>
/// 微风
/// </summary>
public string wind1 { get; set; }
/// <summary>
/// 微风
/// </summary>
public string wind2 { get; set; }
/// <summary>
/// 微风
/// </summary>
public string wind3 { get; set; }
/// <summary>
/// 微风
/// </summary>
public string wind4 { get; set; }
/// <summary>
/// 微风
/// </summary>
public string wind5 { get; set; }
/// <summary>
/// 微风
/// </summary>
public string wind6 { get; set; }
/// <summary>
/// 微风
/// </summary>
public string fx1 { get; set; }
/// <summary>
/// 微风
/// </summary>
public string fx2 { get; set; }
/// <summary>
/// 小于3级
/// </summary>
public string fl1 { get; set; }
/// <summary>
/// 小于3级
/// </summary>
public string fl2 { get; set; }
/// <summary>
/// 小于3级
/// </summary>
public string fl3 { get; set; }
/// <summary>
/// 小于3级
/// </summary>
public string fl4 { get; set; }
/// <summary>
/// 小于3级
/// </summary>
public string fl5 { get; set; }
/// <summary>
/// 小于3级
/// </summary>
public string fl6 { get; set; }
/// <summary>
/// 炎热
/// </summary>
public string index { get; set; }
/// <summary>
/// 天气炎热，建议着短衫、短裙、短裤、薄型T恤衫等清凉夏季服装。
/// </summary>
public string index_d { get; set; }
/// <summary>
/// 炎热
/// </summary>
public string index48 { get; set; }
/// <summary>
/// 天气炎热，建议着短衫、短裙、短裤、薄型T恤衫等清凉夏季服装。
/// </summary>
public string index48_d { get; set; }
/// <summary>
/// 很强
/// </summary>
public string index_uv { get; set; }
/// <summary>
/// 强
/// </summary>
public string index48_uv { get; set; }
/// <summary>
/// 适宜
/// </summary>
public string index_xc { get; set; }
/// <summary>
/// 较适宜
/// </summary>
public string index_tr { get; set; }
/// <summary>
/// 很不舒适
/// </summary>
public string index_co { get; set; }
/// <summary>
///
/// </summary>
public string st1 { get; set; }
/// <summary>
///
/// </summary>
public string st2 { get; set; }
/// <summary>
///
/// </summary>
public string st3 { get; set; }
/// <summary>
///
/// </summary>
public string st4 { get; set; }
/// <summary>
///
/// </summary>
public string st5 { get; set; }
/// <summary>
///
/// </summary>
public string st6 { get; set; }
/// <summary>
/// 适宜
/// </summary>
public string index_cl { get; set; }
/// <summary>
/// 极适宜
/// </summary>
public string index_ls { get; set; }
/// <summary>
/// 不易发
/// </summary>
public string index_ag { get; set; }
}

public class Root
{
/// <summary>
///
/// </summary>
public Weatherinfo weatherinfo { get; set; }
}