private void btnDeserializeJsonLinq_Click(object sender, EventArgs e) 237 { 238 string json = @"[ 239 { 240 'Title': 'Json.NET is awesome!', 241 'Author': { 242 'Name': 'James Newton-King', 243 'Twitter': '@JamesNK', 244 'Picture': '/jamesnk.png' 245 }, 246 'Date': '2013-01-23T19:30:00', 247 'BodyHtml': '&lt;h3&gt;Title!&lt;/h3&gt;\r\n&lt;p&gt;Content!&lt;/p&gt;' 248 } 249 ]"; 250 251 JArray blogPostArray = JArray.Parse(json); 252 253 IList<BlogPost> blogPosts = blogPostArray.Select(p => new BlogPost 254 { 255 Title = (string)p["Title"], 256 AuthorName = (string)p["Author"]["Name"], 257 AuthorTwitter = (string)p["Author"]["Twitter"], 258 PostedDate = (DateTime)p["Date"], 259 Body = HttpUtility.HtmlDecode((string)p["BodyHtml"]) 260 }).ToList(); 261 262 this.txtJson.Text=(blogPosts[0].Body); 263 264 } 265 266 private void btnSerializeJson_Click(object sender, EventArgs e) 267 { 268 IList<BlogPost> blogPosts = new List<BlogPost> 269 { 270 new BlogPost 271 { 272 Title = "Json.NET is awesome!", 273 AuthorName = "James Newton-King", 274 AuthorTwitter = "JamesNK", 275 PostedDate = new DateTime(2013, 1, 23, 19, 30, 0), 276 Body = @"<h3>Title!</h3> 277 <p>Content!</p>" 278 } 279 }; 280 281 JArray blogPostsArray = new JArray( 282 blogPosts.Select(p => new JObject 283 { 284 { "Title", p.Title }, 285 { 286 "Author", new JObject 287 { 288 { "Name", p.AuthorName }, 289 { "Twitter", p.AuthorTwitter } 290 } 291 }, 292 { "Date", p.PostedDate 293 }, 294 { "BodyHtml", HttpUtility.HtmlEncode(p.Body) }, 295 }) 296 ); 297 298 this.txtJson.Text=(blogPostsArray.ToString()); 299 300 } 301 302 /// <summary> 303 /// 修改Json 304 /// </summary> 305 /// <param name="sender"></param> 306 /// <param name="e"></param> 307 private void btnModifyJson_Click(object sender, EventArgs e) 308 { 309 string json = @"{ 310 'channel': { 311 'title': 'Star Wars', 312 'link': 'http://www.starwars.com', 313 'description': 'Star Wars blog.', 314 'obsolete': 'Obsolete value', 315 'item': [] 316 } 317 }"; 318 319 JObject rss = JObject.Parse(json); 320 321 JObject channel = (JObject)rss["channel"]; 322 323 channel["title"] = ((string)channel["title"]).ToUpper(); 324 channel["description"] = ((string)channel["description"]).ToUpper(); 325 326 channel.Property("obsolete").Remove(); 327 328 channel.Property("description").AddAfterSelf(new JProperty("new", "New value")); 329 330 JArray item = (JArray)channel["item"]; 331 item.Add("Item 1"); 332 item.Add("Item 2"); 333 334 this.txtJson.Text=rss.ToString(); 335 } 336 337 /// <summary> 338 /// 合并Json 339 /// </summary> 340 /// <param name="sender"></param> 341 /// <param name="e"></param> 342 private void btnMergeJson_Click(object sender, EventArgs e) 343 { 344 JObject o1 = JObject.Parse(@"{ 345 'FirstName': 'John', 346 'LastName': 'Smith', 347 'Enabled': false, 348 'Roles': [ 'User' ] 349 }"); 350 JObject o2 = JObject.Parse(@"{ 351 'Enabled': true, 352 'Roles': [ 'User', 'Admin' ] 353 }"); 354 355 o1.Merge(o2, new JsonMergeSettings 356 { 357 // union array values together to avoid duplicates 358 MergeArrayHandling = MergeArrayHandling.Union 359 }); 360 361 this.txtJson.Text = o1.ToString(); 362 } 363 364 /// <summary> 365 /// 查询Json 366 /// </summary> 367 /// <param name="sender"></param> 368 /// <param name="e"></param> 369 private void btnQueryJson_Click(object sender, EventArgs e) 370 { 371 string json = @"{ 372 'channel': { 373 'title': 'James Newton-King', 374 'link': 'http://james.newtonking.com', 375 'description': 'James Newton-King\'s blog.', 376 'item': [ 377 { 378 'title': 'Json.NET 1.3 + New license + Now on CodePlex', 379 'description': 'Annoucing the release of Json.NET 1.3, the MIT license and the source on CodePlex', 380 'link': 'http://james.newtonking.com/projects/json-net.aspx', 381 'category': [ 382 'Json.NET', 383 'CodePlex' 384 ] 385 }, 386 { 387 'title': 'LINQ to JSON beta', 388 'description': 'Annoucing LINQ to JSON', 389 'link': 'http://james.newtonking.com/projects/json-net.aspx', 390 'category': [ 391 'Json.NET', 392 'LINQ' 393 ] 394 } 395 ] 396 } 397 }"; 398 399 JObject rss = JObject.Parse(json); 400 401 string rssTitle = (string)rss["channel"]["title"]; 402 403 Console.WriteLine(rssTitle); 404 // James Newton-King 405 406 string itemTitle = (string)rss["channel"]["item"][0]["title"]; 407 408 Console.WriteLine(itemTitle); 409 // Json.NET 1.3 + New license + Now on CodePlex 410 411 JArray categories = (JArray)rss["channel"]["item"][0]["category"]; 412 413 Console.WriteLine(categories); 414 // [ 415 // "Json.NET", 416 // "CodePlex" 417 // ] 418 419 string[] categoriesText = categories.Select(c => (string)c).ToArray(); 420 421 Console.WriteLine(string.Join(", ", categoriesText)); 422 // Json.NET, CodePlex 423 } 424 425 private void btnQueryWithLinq_Click(object sender, EventArgs e) 426 { 427 string json = @"{ 428 'channel': { 429 'title': 'James Newton-King', 430 'link': 'http://james.newtonking.com', 431 'description': 'James Newton-King\'s blog.', 432 'item': [ 433 { 434 'title': 'Json.NET 1.3 + New license + Now on CodePlex', 435 'description': 'Annoucing the release of Json.NET 1.3, the MIT license and the source on CodePlex', 436 'link': 'http://james.newtonking.com/projects/json-net.aspx', 437 'category': [ 438 'Json.NET', 439 'CodePlex' 440 ] 441 }, 442 { 443 'title': 'LINQ to JSON beta', 444 'description': 'Annoucing LINQ to JSON', 445 'link': 'http://james.newtonking.com/projects/json-net.aspx', 446 'category': [ 447 'Json.NET', 448 'LINQ' 449 ] 450 } 451 ] 452 } 453 }"; 454 455 JObject rss = JObject.Parse(json); 456 457 var postTitles = 458 from p in rss["channel"]["item"] 459 select (string)p["title"]; 460 461 foreach (var item in postTitles) 462 { 463 Console.WriteLine(item); 464 } 465 //LINQ to JSON beta 466 //Json.NET 1.3 + New license + Now on CodePlex 467 468 var categories = 469 from c in rss["channel"]["item"].Children()["category"].Values<string>() 470 group c by c 471 into g 472 orderby g.Count() descending 473 select new { Category = g.Key, Count = g.Count() }; 474 475 foreach (var c in categories) 476 { 477 Console.WriteLine(c.Category + " - Count: " + c.Count); 478 } 479 //Json.NET - Count: 2 480 //LINQ - Count: 1 481 //CodePlex - Count: 1 482 } 483 484 private void btnJsonToXml_Click(object sender, EventArgs e) 485 { 486 string json = @"{ 487 '@Id': 1, 488 'Email': 'james@example.com', 489 'Active': true, 490 'CreatedDate': '2013-01-20T00:00:00Z', 491 'Roles': [ 492 'User', 493 'Admin' 494 ], 495 'Team': { 496 '@Id': 2, 497 'Name': 'Software Developers', 498 'Description': 'Creators of fine software products and services.' 499 } 500 }"; 501 502 XNode node = JsonConvert.DeserializeXNode(json, "Root"); 503 504 this.txtJson.Text=(node.ToString()); 505 506 } 507 508 private void btnXmlToJson_Click(object sender, EventArgs e) 509 { 510 string xml = @"<?xml version='1.0' standalone='no'?> 511 <root> 512 <person id='1'> 513 <name>Alan</name> 514 <url>http://www.google.com</url> 515 </person> 516 <person id='2'> 517 <name>Louis</name> 518 <url>http://www.yahoo.com</url> 519 </person> 520 </root>"; 521 522 XmlDocument doc = new XmlDocument(); 523 doc.LoadXml(xml); 524 525 string json = JsonConvert.SerializeXmlNode(doc); 526 527 this.txtJson.Text=json; 528 } 529 }