{"id":36766,"date":"2024-11-26T08:56:08","date_gmt":"2024-11-26T00:56:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36766\/"},"modified":"2024-11-26T08:56:08","modified_gmt":"2024-11-26T00:56:08","slug":"java%e6%80%8e%e4%b9%88%e6%8e%a5%e6%94%b6json%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84%e5%af%b9%e8%b1%a1%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36766\/","title":{"rendered":"java\u600e\u4e48\u63a5\u6536json\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4"},"content":{"rendered":"

\n \u8981\u4f7f\u7528 java \u63a5\u6536 json \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528 jackson \u6570\u636e\u7ed1\u5b9a\u5e93\u3002\u6dfb\u52a0 jackson \u5e93\u4f9d\u8d56\u9879\u540e\uff0c\u58f0\u660e json \u6570\u636e\u7ed3\u6784\u5e76\u4f7f\u7528 objectmapper \u53cd\u5e8f\u5217\u5316 json\uff0c\u5373\u53ef\u83b7\u5f97\u5305\u542b\u6574\u4e2a\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u7684 java \u5bf9\u8c61\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u63a5\u6536json\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528 Java \u63a5\u6536 JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4<\/strong><\/p>\n

\u5f00\u95e8\u89c1\u5c71\u56de\u7b54\uff1a<\/strong><\/p>\n

\u8981\u4f7f\u7528 Java \u63a5\u6536 JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528 Jackson \u6570\u636e\u7ed1\u5b9a\u5e93\u3002<\/p>\n

\u8be6\u7ec6\u5c55\u5f00\u56de\u7b54\uff1a<\/strong><\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

1. \u6dfb\u52a0 Jackson \u5e93\u4f9d\u8d56\u9879\uff1a<\/strong><\/p>\n

<dependency>\n    <groupId>com.fasterxml.jackson.core<\/groupId>\n    <artifactId>jackson-databind<\/artifactId>\n    <version>2.13.3<\/version>\n<\/dependency><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u58f0\u660e JSON \u6570\u636e\u7ed3\u6784\uff1a<\/strong><\/p>\n
\u4f8b\u5982\uff0c\u4ee5\u4e0b JSON \u8868\u793a\u4e00\u4e2a\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\uff1a<\/p>\n
[\n  [\n    {\"name\": \"Alice\", \"age\": 20},\n    {\"name\": \"Bob\", \"age\": 25}\n  ],\n  [\n    {\"name\": \"John\", \"age\": 30},\n    {\"name\": \"Jane\", \"age\": 35}\n  ]\n]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u53ef\u4ee5\u4f7f\u7528 Jackson \u6ce8\u89e3\u6765\u58f0\u660e\u5bf9\u5e94\u7684 Java \u6570\u636e\u7ed3\u6784\uff1a<\/p>\n
@Data\npublic class Person {\n    private String name;\n    private int age;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
@Data\npublic class PersonArray {\n    private Person[] people;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
@Data\npublic class PersonArrayArray {\n    private PersonArray[] personArrays;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528 ObjectMapper \u53cd\u5e8f\u5217\u5316 JSON\uff1a<\/strong><\/p>\n
ObjectMapper mapper = new ObjectMapper();\nPersonArrayArray personArrayArray = mapper.readValue(json, PersonArrayArray.class);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u6837\uff0cpersonArrayArray \u5bf9\u8c61\u5c31\u5305\u542b\u4e86\u6574\u4e2a JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u63a5\u6536\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8981\u4f7f\u7528 java \u63a5\u6536 json \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528 jackson \u6570\u636e\u7ed1\u5b9a\u5e93\u3002\u6dfb\u52a0 jackson \u5e93\u4f9d\u8d56\u9879\u540e\uff0c\u58f0\u660e json \u6570\u636e\u7ed3\u6784\u5e76\u4f7f\u7528 objectmapper \u53cd\u5e8f\u5217\u5316 json\uff0c\u5373\u53ef\u83b7\u5f97\u5305\u542b\u6574\u4e2a\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u7684 java \u5bf9\u8c61\u3002 \u5982\u4f55\u4f7f\u7528 Java \u63a5\u6536 JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4 \u5f00\u95e8\u89c1\u5c71\u56de\u7b54\uff1a \u8981\u4f7f\u7528 Java \u63a5\u6536 JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528 Jackson \u6570\u636e\u7ed1\u5b9a\u5e93\u3002 \u8be6\u7ec6\u5c55\u5f00\u56de\u7b54\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 1. \u6dfb\u52a0 Jackson \u5e93\u4f9d\u8d56\u9879\uff1a <dependency> <groupId>com.fasterxml.jackson.core<\/groupId> <artifactId>jackson-databind<\/artifactId> <version>2.13.3<\/version> <\/dependency> \u767b\u5f55\u540e\u590d\u5236 2. \u58f0\u660e JSON \u6570\u636e\u7ed3\u6784\uff1a \u4f8b\u5982\uff0c\u4ee5\u4e0b JSON \u8868\u793a\u4e00\u4e2a\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\uff1a [ [ {“name”: “Alice”, “age”: 20}, {“name”: […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-36766","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36766","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=36766"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36766\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}