{"id":65341,"date":"2025-05-03T09:39:59","date_gmt":"2025-05-03T01:39:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65341\/"},"modified":"2025-05-03T09:39:59","modified_gmt":"2025-05-03T01:39:59","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%a1-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65341\/","title":{"rendered":"java\u600e\u4e48\u63a5\u6536json\u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61"},"content":{"rendered":"

\n \u4f7f\u7528 jackson \u5e93\u63a5\u6536 json \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\uff1a1. \u6dfb\u52a0 jackson \u4f9d\u8d56\uff1b2. \u521b\u5efa\u6a21\u578b\u7c7b\uff1b3. \u4f7f\u7528 objectmapper \u53cd\u5e8f\u5217\u5316 json\uff1b4. \u8bbf\u95ee json \u6570\u636e\u3002\n<\/p><\/blockquote>\n

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

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

\u5728 Java \u4e2d\u63a5\u6536 JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528 Jackson \u5e93\u3002<\/p>\n

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

\u5728 Maven \u9879\u76ee\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56\uff1a<\/p>\n

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

<dependency>\n    <groupId>com.fasterxml.jackson.core<\/groupId>\n    <artifactId>jackson-core<\/artifactId>\n    <version>2.13.3<\/version>\n<\/dependency>\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. \u521b\u5efa\u6a21\u578b\u7c7b<\/strong><\/p>\n
\u521b\u5efa\u4e00\u4e2a\u6a21\u578b\u7c7b\u6765\u8868\u793a JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\uff1a<\/p>\n
public class OuterObject {\n\n    private InnerObject[][] innerObjects;\n\n    \/\/ \u7701\u7565 getter \u548c setter \u65b9\u6cd5\n}\n\npublic class InnerObject {\n\n    private String name;\n    private int age;\n\n    \/\/ \u7701\u7565 getter \u548c setter \u65b9\u6cd5\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528 ObjectMapper \u63a5\u6536 JSON<\/strong><\/p>\n
\u4f7f\u7528 ObjectMapper \u5c06 JSON \u5b57\u7b26\u4e32\u53cd\u5e8f\u5217\u5316\u4e3a\u6a21\u578b\u7c7b\u5bf9\u8c61\uff1a<\/p>\n
ObjectMapper objectMapper = new ObjectMapper();\nOuterObject outerObject = objectMapper.readValue(jsonString, OuterObject.class);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u8bbf\u95ee JSON \u6570\u636e<\/strong><\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u6a21\u578b\u7c7b\u8bbf\u95ee JSON \u6570\u636e\uff1a<\/p>\n
for (InnerObject[] innerObjectsArray : outerObject.getInnerObjects()) {\n    for (InnerObject innerObject : innerObjectsArray) {\n        System.out.println(\"Name: \" + innerObject.getName());\n        System.out.println(\"Age: \" + innerObject.getAge());\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u63a5\u6536\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4f7f\u7528 jackson \u5e93\u63a5\u6536 json \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\uff1a1. \u6dfb\u52a0 jackson \u4f9d\u8d56\uff1b2. \u521b\u5efa\u6a21\u578b\u7c7b\uff1b3. \u4f7f\u7528 objectmapper \u53cd\u5e8f\u5217\u5316 json\uff1b4. \u8bbf\u95ee json \u6570\u636e\u3002 \u5982\u4f55\u4f7f\u7528 Java \u63a5\u6536 JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61 \u5728 Java \u4e2d\u63a5\u6536 JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\uff0c\u53ef\u4ee5\u4f7f\u7528 Jackson \u5e93\u3002 1. \u6dfb\u52a0 Jackson \u4f9d\u8d56 \u5728 Maven \u9879\u76ee\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b <dependency> <groupId>com.fasterxml.jackson.core<\/groupId> <artifactId>jackson-core<\/artifactId> <version>2.13.3<\/version> <\/dependency> <dependency> <groupId>com.fasterxml.jackson.core<\/groupId> <artifactId>jackson-databind<\/artifactId> <version>2.13.3<\/version> <\/dependency> \u767b\u5f55\u540e\u590d\u5236 2. \u521b\u5efa\u6a21\u578b\u7c7b \u521b\u5efa\u4e00\u4e2a\u6a21\u578b\u7c7b\u6765\u8868\u793a JSON \u6570\u7ec4\u5bf9\u8c61\u6570\u7ec4\u5bf9\u8c61\uff1a public class OuterObject […]<\/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-65341","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65341","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=65341"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65341\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}