如何通过 REST API 和 Spring MVC 提取电视节目详细信息？

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表述性状态传输 (REST)是一种架构风格，它定义了一组用于创建 Web 服务的约束。REST API 是一种无需任何处理即可简单灵活地访问 Web 服务的方式。nBB28资讯网——每日最新资讯28at.com

Spring MVC是一个用于构建 Web 应用程序的 Web MVC 框架。它是一个与 spring boot、spring-security 等相同的 spring 模块。术语 MVC 代表模型-视图-控制器架构。REST API 调用如今被广泛用于获取各种信息，例如天气、邮政编码、secret、大学详细信息等.nBB28资讯网——每日最新资讯28at.com

在本文中，让我们尝试通过以下方式获取电视连续剧详细信息nBB28资讯网——每日最新资讯28at.com

http://api.tvmaze.com/search/shows?q=<任何电视连续剧名称>

例子：

https://api.tvmaze.com/search/shows?q=mahabharata

nBB28资讯网——每日最新资讯28at.com

JSON 输出：

[    {        "score": 0.54483813,        "show": {            "id": 60856,            "url": "https://www.tvmaze.com/shows/60856/the-mahabharata",            "name": "The Mahabharata",            "type": "Scripted",            "language": "English",            "genres": [],            "status": "Ended",            "runtime": null,            "averageRuntime": null,            "premiered": "1990-03-10",            "ended": "1990-03-24",            "officialSite": null,            "schedule": {                "time": "",                "days": []            },            "rating": {                "average": null            },            "weight": 5,            "network": {                "id": 269,                "name": "Star Plus",                "country": {                    "name": "India",                    "code": "IN",                    "timezone": "Asia/Kolkata"                },                "officialSite": null            },            "webChannel": null,            "dvdCountry": null,            "externals": {                "tvrage": null,                "thetvdb": 213551,                "imdb": "tt0097810"            },            "image": {                "medium": "https://static.tvmaze.com/uploads/images/medium_portrait/398/996547.jpg",                "original": "https://static.tvmaze.com/uploads/images/original_untouched/398/996547.jpg"            },            "summary": null,            "updated": 1646508699,            "_links": {                "self": {                    "href": "https://api.tvmaze.com/shows/60856"                },                "previousepisode": {                    "href": "https://api.tvmaze.com/episodes/2289706"                }            }        }    },    {        "score": 0.40868765,        "show": {            "id": 5016,            "url": "https://www.tvmaze.com/shows/5016/mahabharat",            "name": "Mahabharat",            "type": "Scripted",            "language": "Hindi",            "genres": [                "Drama",                "History"            ],            "status": "Ended",            "runtime": 20,            "averageRuntime": 20,            "premiered": "2013-09-16",            "ended": "2014-08-16",            "officialSite": "http://www.hotstar.com/#!/mahabharat-435-s",            "schedule": {                "time": "20:30",                "days": [                    "Monday",                    "Tuesday",                    "Wednesday",                    "Thursday",                    "Friday",                    "Saturday",                    "Sunday"                ]            },            "rating": {                "average": null            },            "weight": 37,            "network": {                "id": 269,                "name": "Star Plus",                "country": {                    "name": "India",                    "code": "IN",                    "timezone": "Asia/Kolkata"                },                "officialSite": null            },            "webChannel": null,            "dvdCountry": null,            "externals": {                "tvrage": 46350,                "thetvdb": 273350,                "imdb": "tt3212600"            },            "image": {                "medium": "https://static.tvmaze.com/uploads/images/medium_portrait/21/54241.jpg",                "original": "https://static.tvmaze.com/uploads/images/original_untouched/21/54241.jpg"            },            "summary": "<p>The story of the throne of Hastinapura, the kingdom ruled by the Kuru clan. The two collateral branches of the family that participate in the struggle of the throne of Hastinapura are the Kaurava and the Pandava. Although the Kaurava is the senior branch of the family, Duryodhana, the eldest Kaurava, is younger than Yudhisthira, the eldest Pandava. Both Duryodhana and Yudhisthira claim to be first in line to inherit the throne. The struggle culminates in the great battle of Kurukshetra, in which the Pandavas are ultimately victorious. The battle produces complex conflicts of kinship and friendship, instances of family loyalty and duty taking precedence over what is right, as well as the converse.</p>",            "updated": 1604823863,            "_links": {                "self": {                    "href": "https://api.tvmaze.com/shows/5016"                },                "previousepisode": {                    "href": "https://api.tvmaze.com/episodes/314287"                }            }        }    },    {        "score": 0.38368216,        "show": {            "id": 16607,            "url": "https://www.tvmaze.com/shows/16607/mahabharat",            "name": "Mahabharat",            "type": "Scripted",            "language": "Hindi",            "genres": [                "Drama"            ],            "status": "Ended",            "runtime": 45,            "averageRuntime": 45,            "premiered": "1988-10-02",            "ended": "1990-07-15",            "officialSite": null,            "schedule": {                "time": "",                "days": [                    "Sunday"                ]            },            "rating": {                "average": null            },            "weight": 24,            "network": {                "id": 1093,                "name": "DD National",                "country": {                    "name": "India",                    "code": "IN",                    "timezone": "Asia/Kolkata"                },                "officialSite": null            },            "webChannel": null,            "dvdCountry": null,            "externals": {                "tvrage": null,                "thetvdb": 84349,                "imdb": "tt0158417"            },            "image": {                "medium": "https://static.tvmaze.com/uploads/images/medium_portrait/55/138442.jpg",                "original": "https://static.tvmaze.com/uploads/images/original_untouched/55/138442.jpg"            },            "summary": "<p><b>Mahabharat</b> is a successful Indian television series based on the ancient Indian epic Mahabharata. The 94-episode series originally ran from 1988 to 1990. It was produced by B. R. Chopra and directed by his son, Ravi Chopra.</p>",            "updated": 1573325769,            "_links": {                "self": {                    "href": "https://api.tvmaze.com/shows/16607"                },                "previousepisode": {                    "href": "https://api.tvmaze.com/episodes/762035"                }            }        }    }]

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使用Spring框架，让我们尝试提取REST API并将其呈现在页面上。nBB28资讯网——每日最新资讯28at.com

项目结构：

nBB28资讯网——每日最新资讯28at.com

pom.xml%20编写：

nBB28资讯网——每日最新资讯28at.com

"score", "url" and "imdb" values aloneExample:"score": 0.42338097,    "url": "https://www.tvmaze.com/shows/16607/mahabharat",      "imdb": "tt0158417"

import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.config.annotation.EnableWebMvc; import org.springframework.web.servlet.view.InternalResourceViewResolver; import org.springframework.web.servlet.view.JstlView; @Configuration@EnableWebMvc@ComponentScan(basePackages = { "com.TVShow.TVShow_Rest_API" }) public class AppConfig { 	@Bean	public InternalResourceViewResolver resolver() { 		InternalResourceViewResolver resolver = new InternalResourceViewResolver(); 		resolver.setViewClass(JstlView.class); 		resolver.setPrefix("/"); 		resolver.setSuffix(".jsp"); 		return resolver; 	} }

import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer; public class SpringMvcDispatcherServletInitializer extends AbstractAnnotationConfigDispatcherServletInitializer { 	@Override	protected Class<?>[] getRootConfigClasses() { 		return null; 	} 	@Override	protected Class<?>[] getServletConfigClasses() { 		return new Class[] { AppConfig.class }; 	} 	@Override	protected String[] getServletMappings() { 		return new String[] { "/" }; 	} }

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.HttpURLConnection; import java.URL; import java.util.ArrayList; import java.util.Iterator; import java.util.StringTokenizer; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import com.google.gson.Gson; import com.google.gson.JsonArray; import com.google.gson.JsonElement; import com.google.gson.JsonObject; @Controllerpublic class TVShowController { 	@RequestMapping("/getTVShowDetailsBySearchString") 	public @ResponseBody	JsonObject getTVShowDetailsBySearchString(String searchStr) throws IOException { 		// According to the search string, JSONArray 		// or JSON Object is constructed. 		// In our case, it is producing JSONArray 		JsonArray jsonArray = new JsonArray(); 		jsonArray = getTVShowDetailsBySearchStr(searchStr); 		JsonObject finalJsonObject = new JsonObject(); 		ArrayList scoreList = new ArrayList(); 		ArrayList showUrlList = new ArrayList(); 		ArrayList showUrlLinks = new ArrayList(); 		ArrayList telecastedList = new ArrayList(); 		ArrayList imdbList = new ArrayList(); 		Iterator<JsonElement> objectIterator = jsonArray.iterator(); 		// Iterating 		while(objectIterator.hasNext()) { 			JsonElement object = objectIterator.next(); 			JsonObject jObj = object.getAsJsonObject(); 			// We have to get the score and 			// replace the special characters 			scoreList.add(jObj.get("score").toString().replaceAll("^/"|/"$", "")); 			// Similarly show 			showUrlList.add(jObj.get("show").toString().replaceAll("^/"|/"$", "")); 		} 				for (int i = 0;i < showUrlList.size();i++) {		 						StringTokenizer jsonTokenizer = new StringTokenizer(showUrlList.get(i).toString(),","); 			String expectedTag = null; 			int idx = 0; 			while (jsonTokenizer.hasMoreTokens()) { 				expectedTag = jsonTokenizer.nextToken(); 				if (expectedTag.contains("url")) { 					showUrlLinks.add(expectedTag.substring(7,expectedTag.length()-1).toString()); 				} 				if (expectedTag.contains("timezone")) { 					telecastedList.add(expectedTag.substring(12,expectedTag.length()-3).toString()); 				} 				if (expectedTag.contains("imdb")) { 					imdbList.add(expectedTag.substring(8,expectedTag.length()-2).toString()); 				} 		} 	} 		finalJsonObject.addProperty("scores", scoreList.toString()); 		finalJsonObject.addProperty("scoresize", scoreList.size()); 		finalJsonObject.addProperty("url", showUrlLinks.toString()); 		finalJsonObject.addProperty("urlsize", showUrlLinks.size()); 		finalJsonObject.addProperty("timezone", telecastedList.toString()); 		finalJsonObject.addProperty("imdb", imdbList.toString()); 		finalJsonObject.addProperty("imdbsize", imdbList.size()); 		// After retrieving the elements, 		// in an object , all are constructed 		return finalJsonObject; 	} 	private JsonArray getTVShowDetailsBySearchStr(String searchString) throws IOException { 		StringBuilder responseData = new StringBuilder(); 		JsonArray jsonArray = null; 		URL url = null; 		// http://api.tvmaze.com/search/shows?q=<searchstring> 		// is the url to access the TV show details 		url = new URL("http://api.tvmaze.com/search/shows?q=" + searchString); 				HttpURLConnection con = (HttpURLConnection) url.openConnection(); 		con.setRequestMethod("GET"); 		con.setRequestProperty("User-Agent", "Mozilla/5.0"); 		int responseCode = con.getResponseCode(); 		System.out.println("/nSending 'GET' request to URL : " + url); 		// System.out.println("Response Code : " + responseCode); 		try (BufferedReader in = new BufferedReader( 				new InputStreamReader(con.getInputStream()))) { 			String line; 			while ((line = in.readLine()) != null) { 				responseData.append(line); 			} 			// It is getting converted to 			// JSONArray by means of below code 			jsonArray = new Gson().fromJson(responseData.toString(), JsonArray.class);	 		} 		return jsonArray; 	} }-----------------------------------©著作权归作者所有：来自51CTO博客作者demo007x的原创作品，请联系作者获取转载授权，否则将追究法律责任如何通过 REST API 和 Spring MVC 提取电视节目详细信息？https://blog.51cto.com/demo007x/7917153