1 public partial class JsonForm1 : Form
  2     {
  3         public JsonForm1()
  4         {
  5             InitializeComponent();
  6         }
  7 
  8         /// <summary>
  9         /// 手动创建Json
 10         /// </summary>
 11         /// <param name="sender"></param>
 12         /// <param name="e"></param>
 13         private void btnCreateJsonManually_Click(object sender, EventArgs e)
 14         {
 15             JArray array = new JArray();
 16             array.Add("Manual text");
 17             array.Add(new DateTime(2000, 5, 23));
 18 
 19             JObject o = new JObject();
 20             o["MyArray"] = array;
 21 
 22             string json = o.ToString();
 23             this.txtJson.Text = json;
 24 
 25         }
 26         
 27         /// <summary>
 28         /// 列表创建Json
 29         /// </summary>
 30         /// <param name="sender"></param>
 31         /// <param name="e"></param>
 32         private void btnCollectionJson_Click(object sender, EventArgs e)
 33         {
 34             JObject o = new JObject()
 35             {
 36                 { "Cpu", "Intel" },
 37                 { "Memory", 32 },
 38                 {
 39                     "Drives", new JArray
 40                     {
 41                     "DVD",
 42                     "SSD"
 43                     }
 44                 }
 45             };
 46 
 47             this.txtJson.Text = o.ToString();
 48         }
 49 
 50         private void btnCreateJsonByDynamic_Click(object sender, EventArgs e)
 51         {
 52             dynamic product = new JObject();
 53             product.ProductName = "Elbow Grease";
 54             product.Enabled = true;
 55             product.Price = 4.90m;
 56             product.StockCount = 9000;
 57             product.StockValue = 44100;
 58             product.Tags = new JArray("Real", "OnSale");
 59             this.txtJson.Text = product.ToString();
 60 
 61         }
 62         
 63         /// <summary>
 64         /// 从JTokenWriter创建Json
 65         /// </summary>
 66         /// <param name="sender"></param>
 67         /// <param name="e"></param>
 68         private void btnJTokenWriter_Click(object sender, EventArgs e)
 69         {
 70             JTokenWriter writer = new JTokenWriter();
 71             writer.WriteStartObject();
 72             writer.WritePropertyName("name1");
 73             writer.WriteValue("value1");
 74             writer.WritePropertyName("name2");
 75             writer.WriteStartArray();
 76             writer.WriteValue(1);
 77             writer.WriteValue(2);
 78             writer.WriteEndArray();
 79             writer.WriteEndObject();
 80 
 81             JObject o = (JObject)writer.Token;
 82 
 83             this.txtJson.Text = o.ToString();
 84         }
 85 
 86         /// <summary>
 87         /// 从对象创建Json
 88         /// </summary>
 89         /// <param name="sender"></param>
 90         /// <param name="e"></param>
 91         private void btnCreateJsonFromObject_Click(object sender, EventArgs e)
 92         {
 93             JValue i = (JValue)JToken.FromObject(12345);
 94 
 95             Console.WriteLine(i.Type);
 96             // Integer
 97             Console.WriteLine(i.ToString());
 98             // 12345
 99 
100             JValue s = (JValue)JToken.FromObject("A string");
101 
102             Console.WriteLine(s.Type);
103             // String
104             Console.WriteLine(s.ToString());
105             // A string
106 
107             Computer computer = new Computer
108             {
109                 Cpu = "Intel",
110                 Memory = 32,
111                 Drives = new List<string>
112                 {
113                     "DVD",
114                     "SSD"
115                 }
116              };
117 
118             JObject o = (JObject)JToken.FromObject(computer);
119 
120             Console.WriteLine(o.ToString());
121             // {
122             //   "Cpu": "Intel",
123             //   "Memory": 32,
124             //   "Drives": [
125             //     "DVD",
126             //     "SSD"
127             //   ]
128             // }
129 
130             JArray a = (JArray)JToken.FromObject(computer.Drives);
131 
132             Console.WriteLine(a.ToString());
133             // [
134             //   "DVD",
135             //   "SSD"
136             // ]
137         }
138 
139         /// <summary>
140         /// 从匿名对象创建
141         /// </summary>
142         /// <param name="sender"></param>
143         /// <param name="e"></param>
144         private void btnCreateFromAnaymous_Click(object sender, EventArgs e)
145         {
146             List<Post> posts = new List<Post>
147             {
148                 new Post
149                 {
150                     Title = "Episode VII",
151                     Description = "Episode VII production",
152                     Categories = new List<string>
153                     {
154                         "episode-vii",
155                         "movie"
156                     },
157                     Link = "episode-vii-production.aspx"
158                 }
159             };
160 
161             JObject o = JObject.FromObject(new
162             {
163                 channel = new
164                 {
165                     title = "Star Wars",
166                     link = "http://www.starwars.com",
167                     description = "Star Wars blog.",
168                     item =
169                         from p in posts
170                         orderby p.Title
171                         select new
172                         {
173                             title = p.Title,
174                             description = p.Description,
175                             link = p.Link,
176                             category = p.Categories
177                         }
178                 }
179             });
180 
181             this.txtJson.Text=o.ToString();
182 
183         }
184 
185         /// <summary>
186         /// Parse
187         /// </summary>
188         /// <param name="sender"></param>
189         /// <param name="e"></param>
190         private void btnJArrayParse_Click(object sender, EventArgs e)
191         {
192             string json = @"[
193                'Small',
194                'Medium',
195                'Large'
196              ]";
197 
198             JArray a = JArray.Parse(json);
199 
200             this.txtJson.Text = a.ToString();
201             this.txtJson.Text += "\r\n";
202 
203             json = @"{
204                CPU: 'Intel',
205                Drives: [
206                  'DVD read/writer',
207                  '500 gigabyte hard drive'
208                ]
209              }";
210 
211             JObject o = JObject.Parse(json);
212 
213             this.txtJson.Text += o.ToString();
214 
215             JToken t1 = JToken.Parse("{}");
216 
217             Console.WriteLine(t1.Type);
218             // Object
219 
220             JToken t2 = JToken.Parse("[]");
221 
222             Console.WriteLine(t2.Type);
223             // Array
224 
225             JToken t3 = JToken.Parse("null");
226 
227             Console.WriteLine(t3.Type);
228             // Null
229 
230             JToken t4 = JToken.Parse(@"'A string!'");
231 
232             Console.WriteLine(t4.Type);
233             // String
234         }
235 
236