- \n
- Spring RestTemplate\u7c7b\u662fspring-web\u7684\u4e00\u90e8\u5206\uff0c\u5728Spring 3\u4e2d\u5f15\u5165\u3002<\/li>\n
- \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528RestTemplate\u6765\u6d4b\u8bd5\u57fa\u4e8eHTTP\u7684RESTful\u7f51\u7edc\u670d\u52a1\uff0c\u5b83\u4e0d\u652f\u6301HTTPS\u534f\u8bae\u3002<\/li>\n
- RestTemplate\u7c7b\u4e3a\u4e0d\u540c\u7684HTTP\u65b9\u6cd5\u63d0\u4f9b\u4e86\u91cd\u8f7d\u65b9\u6cd5\uff0c\u5982GET\u3001POST\u3001PUT\u3001DELETE\u7b49\u3002<\/li>\n<\/ul>\n
Spring RestTemplate\u793a\u4f8b<\/h3>\n
\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e2aSpring RestTemplate\u7684\u4f8b\u5b50\uff0c\u6211\u4eec\u5c06\u6d4b\u8bd5\u5728Spring Data JPA\u6587\u7ae0\u4e2d\u521b\u5efa\u7684REST web\u670d\u52a1\u3002\u4e0b\u8868\u5c55\u793a\u4e86\u8be5REST web\u670d\u52a1\u652f\u6301\u7684URI\u3002<\/p>\n
\n\n\n
\n \nURI<\/th>\n HTTP\u65b9\u6cd5<\/th>\n \u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n \n \/springData\/person<\/td>\n GET<\/td>\n \u4ece\u6570\u636e\u5e93\u83b7\u53d6\u6240\u6709\u4eba\u5458\u4fe1\u606f<\/td>\n<\/tr>\n \n \/springData\/person\/{id}<\/td>\n GET<\/td>\n \u6839\u636eID\u83b7\u53d6\u4eba\u5458\u4fe1\u606f<\/td>\n<\/tr>\n \n \/springData\/person<\/td>\n POST<\/td>\n \u5411\u6570\u636e\u5e93\u6dfb\u52a0\u4eba\u5458\u4fe1\u606f<\/td>\n<\/tr>\n \n \/springData\/person<\/td>\n PUT<\/td>\n \u66f4\u65b0\u4eba\u5458\u4fe1\u606f<\/td>\n<\/tr>\n \n \/springData\/person\/{id}<\/td>\n DELETE<\/td>\n \u6839\u636eID\u5220\u9664\u4eba\u5458\u4fe1\u606f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \n![\"Spring](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656486fca4b2f92e6c7313b8\/6-0.png\" "\\"Spring")
\n<\/div>\nSpring RestTemplate Maven\u4f9d\u8d56<\/h3>\n
\u6211\u4eec\u9700\u8981spring-framework\u7684spring-core\u548cspring-context\u4f9d\u8d56\u3002\u7136\u540e\u6211\u4eec\u9700\u8981\u5305\u542bRestTemplate\u7c7b\u7684spring-web\u7ec4\u4ef6\u3002\u6211\u4eec\u8fd8\u9700\u8981jackson-mapper-asl\u6765\u901a\u8fc7Jackson API\u652f\u6301Spring JSON\u3002<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<project xmlns=\"https:\/\/maven.apache.org\/POM\/4.0.0\" xmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n\txsi:schemaLocation=\"https:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd\">\r\n\t<modelVersion>4.0.0<\/modelVersion>\r\n\r\n\t<groupId>com.Olivia.spring<\/groupId>\r\n\t<artifactId>SpringRestTemplate<\/artifactId>\r\n\t<version>1.0-SNAPSHOT<\/version>\r\n\t<properties>\r\n\t\t<spring.framework>4.3.0.RELEASE<\/spring.framework>\r\n\t\t<spring.web>3.0.2.RELEASE<\/spring.web>\r\n\t\t<serializer.version>2.8.1<\/serializer.version>\r\n\t<\/properties>\r\n\t<dependencies>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-core<\/artifactId>\r\n\t\t\t<version>${spring.framework}<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-context<\/artifactId>\r\n\t\t\t<version>${spring.framework}<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.codehaus.jackson<\/groupId>\r\n\t\t\t<artifactId>jackson-mapper-asl<\/artifactId>\r\n\t\t\t<version>1.9.4<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-web<\/artifactId>\r\n\t\t\t<version>${spring.web}<\/version>\r\n\t\t<\/dependency>\r\n\t<\/dependencies>\r\n<\/project>\r\n<\/code><\/pre>\nSpring\u914d\u7f6e\u7c7b<\/h3>\n
\u6211\u4eec\u9700\u8981\u4e3aRestTemplate\u7c7b\u5b9a\u4e49\u4e00\u4e2aSpring Bean\uff0c\u5728AppConfig\u7c7b\u4e2d\u5b8c\u6210\u3002<\/p>\n
package com.Olivia.spring.config;\r\n\r\nimport org.codehaus.jackson.map.ObjectMapper;\r\nimport org.springframework.context.annotation.Bean;\r\nimport org.springframework.context.annotation.ComponentScan;\r\nimport org.springframework.context.annotation.Configuration;\r\nimport org.springframework.http.converter.json.MappingJacksonHttpMessageConverter;\r\nimport org.springframework.web.client.RestTemplate;\r\n\r\n@Configuration\r\n@ComponentScan(\"com.Olivia.spring\")\r\npublic class AppConfig {\r\n\r\n\t@Bean\r\n\tRestTemplate restTemplate() {\r\n\t\tRestTemplate restTemplate = new RestTemplate();\r\n\t\tMappingJacksonHttpMessageConverter converter = new MappingJacksonHttpMessageConverter();\r\n\t\tconverter.setObjectMapper(new ObjectMapper());\r\n\t\trestTemplate.getMessageConverters().add(converter);\r\n\t\treturn restTemplate;\r\n\t}\r\n}\r\n<\/code><\/pre>\n\u8bf7\u6ce8\u610f\uff0cRestTemplate\u4f7f\u7528MessageConverter\uff0c\u5e76\u4e14\u6211\u4eec\u9700\u8981\u5728RestTemplate bean\u4e2d\u8bbe\u7f6e\u8be5\u5c5e\u6027\u3002\u5728\u6211\u4eec\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528MappingJacksonHttpMessageConverter\u6765\u4eceJSON\u683c\u5f0f\u4e2d\u83b7\u53d6\u6570\u636e\u3002<\/p>\n
\u6a21\u578b\u7c7b<\/h3>\n
\u8fd9\u662f\u6587\u7ae0\u300aSpring RestTemplate\u793a\u4f8b\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51712\u90e8\u5206\uff09\u3002<\/p>\n
\u7531\u4e8e\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528Jackson\u6620\u5c04\u5668\u5c06\u7531Web\u670d\u52a1\u8fd4\u56de\u7684JSON\u8f6c\u6362\u4e3aJava\u5bf9\u8c61\uff0c\u56e0\u6b64\u9700\u8981\u4e3a\u6b64\u521b\u5efa\u6a21\u578b\u7c7b\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u4e2a\u6a21\u578b\u7c7b\u5c06\u4e0eWeb\u670d\u52a1\u4e2d\u4f7f\u7528\u7684\u6a21\u578b\u7c7b\u975e\u5e38\u76f8\u4f3c\uff0c\u53ea\u662f\u6211\u4eec\u4e0d\u9700\u8981JPA\u6ce8\u89e3\u3002<\/p>\n
package com.Olivia.spring.model;\r\n\r\npublic class Person {\r\n\r\n\tprivate Long id;\r\n\r\n\tprivate Integer age;\r\n\r\n\tprivate String firstName;\r\n\r\n\tprivate String lastName;\r\n\r\n\tpublic Person() {\r\n\t}\r\n\r\n\tpublic Long getId() {\r\n\t\treturn id;\r\n\t}\r\n\r\n\tpublic void setId(Long id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\r\n\tpublic Integer getAge() {\r\n\t\treturn age;\r\n\t}\r\n\r\n\tpublic void setAge(Integer age) {\r\n\t\tthis.age = age;\r\n\t}\r\n\r\n\tpublic String getFirstName() {\r\n\t\treturn firstName;\r\n\t}\r\n\r\n\tpublic void setFirstName(String firstName) {\r\n\t\tthis.firstName = firstName;\r\n\t}\r\n\r\n\tpublic String getLastName() {\r\n\t\treturn lastName;\r\n\t}\r\n\r\n\tpublic void setLastName(String lastName) {\r\n\t\tthis.lastName = lastName;\r\n\t}\r\n\r\n\t@Override\r\n\tpublic String toString() {\r\n\t\treturn \"Person{\" + \"id=\" + id + \", age=\" + age + \", firstName='\" + firstName + '\\'' + \", lastName='\" + lastName\r\n\t\t\t\t+ '\\'' + '}';\r\n\t}\r\n}\r\n<\/code><\/pre>\nSpring RestTemplate\u5ba2\u6237\u7aef\u7c7b<\/h3>\n
\u6700\u540e\u4e00\u6b65\u662f\u521b\u5efa\u5ba2\u6237\u7aef\u7c7b\uff0c\u8fd9\u4e9b\u7c7b\u5c06\u4f7f\u7528\u4e0a\u9762\u5b9a\u4e49\u7684RestTemplate bean\u3002<\/p>\n
package com.Olivia.spring.config;\r\n\r\nimport java.util.List;\r\n\r\nimport org.springframework.http.HttpStatus;\r\n\r\nimport com.Olivia.spring.model.Person;\r\n\r\npublic interface PersonClient {\r\n\tList<Person> getAllPerson();\r\n\r\n\tPerson getById(Long id);\r\n\r\n\tHttpStatus addPerson(Person person);\r\n\r\n\tvoid updatePerson(Person person);\r\n\r\n\tvoid deletePerson(Long id);\r\n}\r\n<\/code><\/pre>\npackage com.Olivia.spring.config;\r\n\r\nimport java.util.Arrays;\r\nimport java.util.List;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.http.HttpStatus;\r\nimport org.springframework.http.ResponseEntity;\r\nimport org.springframework.stereotype.Service;\r\nimport org.springframework.web.client.RestTemplate;\r\n\r\nimport com.Olivia.spring.model.Person;\r\n\r\n@Service\r\npublic class PersonClientImpl implements PersonClient {\r\n\r\n\t@Autowired\r\n\tRestTemplate restTemplate;\r\n\r\n\tfinal String ROOT_URI = \"https:\/\/localhost:8080\/springData\/person\";\r\n\r\n\tpublic List<Person> getAllPerson() {\r\n\t\tResponseEntity<Person[]> response = restTemplate.getForEntity(ROOT_URI, Person[].class);\r\n\t\treturn Arrays.asList(response.getBody());\r\n\r\n\t}\r\n\r\n\tpublic Person getById(Long id) {\r\n\t\tResponseEntity<Person> response = restTemplate.getForEntity(ROOT_URI + \"\/\"+id, Person.class);\r\n\t\treturn response.getBody();\r\n\t}\r\n\r\n\tpublic HttpStatus addPerson(Person person) {\r\n\t\tResponseEntity<HttpStatus> response = restTemplate.postForEntity(ROOT_URI, person, HttpStatus.class);\r\n\t\treturn response.getBody();\r\n\t}\r\n\r\n\tpublic void updatePerson(Person person) {\r\n\t\trestTemplate.put(ROOT_URI, person);\r\n\t}\r\n\r\n\tpublic void deletePerson(Long id) {\r\n\t\trestTemplate.delete(ROOT_URI + id);\r\n\r\n\t}\r\n}\r\n<\/code><\/pre>\n\u4ee3\u7801\u662f\u81ea\u89e3\u91ca\u7684\uff0c\u6211\u4eec\u6839\u636eURI\u548cHTTP\u65b9\u6cd5\u8c03\u7528RestTemplate\u65b9\u6cd5\uff0c\u5e76\u6839\u636e\u9700\u8981\u4f20\u9012\u9002\u5f53\u7684\u8bf7\u6c42\u5bf9\u8c61\u3002<\/p>\n
Spring RestTemplate\u6d4b\u8bd5\u7c7b<\/h3>\n
\u73b0\u5728\u662f\u65f6\u5019\u6d4b\u8bd5\u6211\u4eec\u7684Spring RestTemplate\u793a\u4f8b\u9879\u76ee\u4e86\uff0c\u5728\u4e0b\u9762\u7684\u7c7b\u4e2d\u5c55\u793a\u4e86\u5982\u4f55\u4ee5Spring\u7684\u65b9\u5f0f\u4f7f\u7528RestTemplate\u65b9\u6cd5\u3002<\/p>\n
package com.Olivia.spring;\r\n\r\nimport org.springframework.context.annotation.AnnotationConfigApplicationContext;\r\nimport org.springframework.http.HttpStatus;\r\n\r\nimport com.Olivia.spring.config.AppConfig;\r\nimport com.Olivia.spring.config.PersonClient;\r\nimport com.Olivia.spring.model.Person;\r\n\r\npublic class Main {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tAnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext(AppConfig.class);\r\n\r\n\t\tPersonClient client = applicationContext.getBean(PersonClient.class);\r\n\r\n\t\tSystem.out.println(\"\u83b7\u53d6\u6240\u6709\u4eba\u5458\u5217\u8868\uff1a\");\r\n\r\n\t\tfor (Person p : client.getAllPerson()) {\r\n\t\t\tSystem.out.println(p);\r\n\t\t}\r\n\r\n\t\tSystem.out.println(\"\\n\u83b7\u53d6ID\u4e3a2\u7684\u4eba\u5458\");\r\n\r\n\t\tPerson personById = client.getById(2L);\r\n\r\n\t\tSystem.out.println(personById);\r\n\r\n\t\tSystem.out.println(\"\u6dfb\u52a0\u4e00\u4e2a\u65b0\u4eba\u5458\");\r\n\t\tPerson p = new Person();\r\n\t\tp.setAge(50);\r\n\t\tp.setFirstName(\"David\");\r\n\t\tp.setLastName(\"Blain\");\r\n\t\tHttpStatus status = client.addPerson(p);\r\n\t\tSystem.out.println(\"\u6dfb\u52a0\u4eba\u5458\u54cd\u5e94 = \" + status);\r\n\r\n\t\tapplicationContext.close();\r\n\t}\r\n}\r\n<\/code><\/pre>\n\u5f53\u6211\u5728\u672c\u5730\u73af\u5883\u4e0a\u8fd0\u884c\u4e0a\u8ff0\u7a0b\u5e8f\u65f6\uff0c\u6211\u5f97\u5230\u4ee5\u4e0b\u8f93\u51fa\u3002<\/p>\n
\u83b7\u53d6\u6240\u6709\u4eba\u5458\u5217\u8868\uff1a\r\nPerson{id=2, age=30, firstName='Oksi', lastName=' Bahatskaya'}\r\nPerson{id=1, age=30, firstName='Vlad', lastName='Mateo'}\r\n\r\n\u83b7\u53d6ID\u4e3a2\u7684\u4eba\u5458\r\nPerson{id=2, age=30, firstName='Oksi', lastName=' Bahatskaya'}\r\n\u6dfb\u52a0\u4e00\u4e2a\u65b0\u4eba\u5458\r\n\u6dfb\u52a0\u4eba\u5458\u54cd\u5e94 = 201\r\n<\/code><\/pre>\n![\"Spring](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/656486fca4b2f92e6c7313b8\/27-0.png\" "\\"\\"")
<\/div>\n\u4e0b\u8f7d Spring RestTemplate \u793a\u4f8b\u9879\u76ee<\/p>\n
\u53c2\u8003\uff1aAPI\u6587\u6863<\/p>\n","protected":false},"excerpt":{"rendered":"
Spring RestTemplate\u793a\u4f8b\uff08\u7b2c1\u90e8\u5206\uff0c\u51712\u90e8\u5206\uff09 Spring RestTemplate\u63d0\u4f9b\u4e86 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[748,761,492,1551,1089],"class_list":["post-523","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-http","tag-java","tag-rest-api","tag-spring-resttemplate","tag-spring"],"yoast_head":"\n
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