{"id":38602,"date":"2024-11-26T12:20:20","date_gmt":"2024-11-26T04:20:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38602\/"},"modified":"2024-11-26T12:20:20","modified_gmt":"2024-11-26T04:20:20","slug":"java%e6%80%8e%e4%b9%88json%e8%a7%a3%e6%9e%90%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38602\/","title":{"rendered":"java\u600e\u4e48json\u89e3\u6790\u5b57\u7b26\u4e32\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u89e3\u6790 json \u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5185\u7f6e\u7684 jsonarray \u7c7b\uff0c\u5982 jsonarray jsonarray = new jsonarray(“[1, 2, 3, 4, 5]”);\u3002\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 jackson \u6216 gson\uff0c\u5982 int[] array = mapper.readvalue(“[1, 2, 3, 4, 5]”, int[].class);\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48json\u89e3\u6790\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u5982\u4f55\u89e3\u6790 JSON \uff1f<\/strong><\/p>\n

\u4f7f\u7528\u5185\u7f6e\u65b9\u6cd5<\/strong><\/p>\n

Java \u63d0\u4f9b\u4e86 JSONArray \u7c7b\u7528\u4e8e\u89e3\u6790 JSON \u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/p>\n

import org.json.JSONArray;\n\nJSONArray jsonArray = new JSONArray(\"[1, 2, 3, 4, 5]\");<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 Jackson \u6216 Gson\uff0c\u6765\u89e3\u6790 JSON \u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/p>\n
Jackson<\/strong><\/p>\n
import com.fasterxml.jackson.databind.ObjectMapper;\n\nObjectMapper mapper = new ObjectMapper();\nint[] array = mapper.readValue(\"[1, 2, 3, 4, 5]\", int[].class);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
Gson<\/strong><\/p>\n
import com.google.gson.Gson;\n\nGson gson = new Gson();\nint[] array = gson.fromJson(\"[1, 2, 3, 4, 5]\", int[].class);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6b65\u9aa4<\/strong><\/p>\n
\u89e3\u6790 JSON \u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n
    \n
  1. \u521b\u5efa\u4e00\u4e2a JSONArray \u5bf9\u8c61\u6216\u7b2c\u4e09\u65b9\u5e93\u7684\u7c7b\u3002<\/li>\n
  2. \u89e3\u6790 JSON \u5b57\u7b26\u4e32\u3002<\/li>\n
  3. \u4ece JSONArray \u4e2d\u63d0\u53d6\u6570\u7ec4\u5143\u7d20\u3002<\/li>\n<\/ol>\n
    \u793a\u4f8b<\/strong><\/p>\n
    \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u89e3\u6790 JSON \u5b57\u7b26\u4e32\u6570\u7ec4\u5e76\u83b7\u53d6\u5176\u5143\u7d20\uff1a<\/p>\n
    JSONArray jsonArray = new JSONArray(\"[1, 2, 3, 4, 5]\");\n\nfor (int i = 0; i < jsonArray.length(); i++) {\n    int number = (int) jsonArray.get(i);\n    System.out.println(number);\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8f93\u51fa<\/strong><\/p>\n
    1\n2\n3\n4\n5<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48json\u89e3\u6790\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":"
    java \u4e2d\u89e3\u6790 json \u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5185\u7f6e\u7684 jsonarray \u7c7b\uff0c\u5982 jsonarray jsonarray = new jsonarray(“[1, 2, 3, 4, 5]”);\u3002\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 jackson \u6216 gson\uff0c\u5982 int[] array = mapper.readvalue(“[1, 2, 3, 4, 5]”, int[].class);\u3002 Java \u4e2d\u5982\u4f55\u89e3\u6790 JSON \uff1f \u4f7f\u7528\u5185\u7f6e\u65b9\u6cd5 Java \u63d0\u4f9b\u4e86 JSONArray \u7c7b\u7528\u4e8e\u89e3\u6790 JSON \u5b57\u7b26\u4e32\u6570\u7ec4\u3002 import org.json.JSONArray; JSONArray jsonArray = new JSONArray(“[1, 2, 3, 4, 5]”); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 Jackson \u6216 […]<\/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-38602","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38602","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=38602"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38602\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38602"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}