{"id":64344,"date":"2025-05-03T11:58:08","date_gmt":"2025-05-03T03:58:08","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64344\/"},"modified":"2025-05-03T11:58:08","modified_gmt":"2025-05-03T03:58:08","slug":"java%e5%90%8e%e5%8f%b0%e6%80%8e%e4%b9%88%e6%8e%a5%e4%b8%80%e4%b8%aa%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64344\/","title":{"rendered":"java\u540e\u53f0\u600e\u4e48\u63a5\u4e00\u4e2a\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u540e\u7aef\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u63a5\u6536\u6570\u7ec4\uff1a 1. \u4f7f\u7528 json\uff1a\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a json \u5b57\u7b26\u4e32\u5e76\u4f5c\u4e3a\u8bf7\u6c42\u4f53\u53d1\u9001\u3002 2. \u4f7f\u7528\u8868\u5355\u6570\u636e\uff1a\u5c06\u6570\u7ec4\u5143\u7d20\u4f5c\u4e3a\u5355\u72ec\u7684\u8868\u5355\u5b57\u6bb5\u53d1\u9001\u3002\u63a5\u6536\u540e\uff0c\u4f7f\u7528 json \u89e3\u6790\u5668\uff08\u5982 jackson\uff09\u89e3\u6790 json\uff0c\u83b7\u53d6\u6570\u7ec4\u503c\uff1b\u4f7f\u7528\u8868\u5355\u6570\u636e\u89e3\u6790\u5668\u83b7\u53d6\u8868\u5355\u5b57\u6bb5\u503c\u5e76\u5c06\u5176\u89e3\u6790\u4e3a\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/03\/2024110305574088463.jpg\" class=\"aligncenter\" title=\"java\u540e\u53f0\u600e\u4e48\u63a5\u4e00\u4e2a\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u540e\u53f0\u600e\u4e48\u63a5\u4e00\u4e2a\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u540e\u7aef\u5982\u4f55\u63a5\u6536\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u63a5\u6536\u6570\u7ec4\u662f Java \u540e\u7aef\u5f00\u53d1\u4e2d\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u8981\u63a5\u6536\u6570\u7ec4\uff0c\u9700\u8981\u4e86\u89e3\u5982\u4f55\u5c06\u6570\u7ec4\u4f20\u9012\u5230\u540e\u7aef\uff0c\u4ee5\u53ca\u5982\u4f55\u89e3\u6790\u548c\u5904\u7406\u5b83\u4eec\u3002<\/p>\n<p><strong>\u6570\u7ec4\u7684\u4f20\u9012<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u5c06\u6570\u7ec4\u4f20\u9012\u5230\u540e\u7aef\u6709\u591a\u79cd\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662f\u4f7f\u7528 JSON \u6216\u8868\u5355\u6570\u636e\u3002<\/p>\n<ul>\n<li> <strong>JSON\uff1a<\/strong>\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a JSON \u5b57\u7b26\u4e32\u5e76\u5c06\u5176\u4f5c\u4e3a\u8bf7\u6c42\u4f53\u53d1\u9001\u3002<\/li>\n<li> <strong>\u8868\u5355\u6570\u636e\uff1a<\/strong>\u4f7f\u7528 HTML \u8868\u5355\u5c06\u6570\u7ec4\u5143\u7d20\u4f5c\u4e3a\u5355\u72ec\u7684\u8868\u5355\u5b57\u6bb5\u53d1\u9001\u3002<\/li>\n<\/ul>\n<p><strong>JSON \u89e3\u6790<\/strong><\/p>\n<p>\u5982\u679c\u6570\u7ec4\u901a\u8fc7 JSON \u4f20\u9012\uff0c\u5219\u9700\u8981\u4f7f\u7528 JSON \u89e3\u6790\u5668\u5c06\u5176\u89e3\u6790\u4e3a Java \u5bf9\u8c61\u3002\u53ef\u4ee5\u4f7f\u7528 Jackson \u6216 Gson \u7b49\u5e93\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>import com.fasterxml.jackson.databind.ObjectMapper;\n\n\/\/ JSON \u5b57\u7b26\u4e32\nString json = \"{ \"array\": [1, 2, 3] }\";\n\n\/\/ \u521b\u5efa ObjectMapper\nObjectMapper mapper = new ObjectMapper();\n\n\/\/ \u5c06 JSON \u5b57\u7b26\u4e32\u89e3\u6790\u4e3a Java \u5bf9\u8c61\nMyObject myObject = mapper.readValue(json, MyObject.class);\n\n\/\/ \u83b7\u53d6\u6570\u7ec4\nint[] array = myObject.getArray();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8868\u5355\u6570\u636e\u89e3\u6790<\/strong><\/p>\n<p>\u5982\u679c\u6570\u7ec4\u901a\u8fc7\u8868\u5355\u6570\u636e\u4f20\u9012\uff0c\u5219\u9700\u8981\u83b7\u53d6\u8868\u5355\u5b57\u6bb5\u503c\u5e76\u5c06\u5176\u89e3\u6790\u4e3a\u6570\u7ec4\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>import javax.servlet.http.HttpServletRequest;\n\n\/\/ \u83b7\u53d6\u8868\u5355\u5b57\u6bb5\u503c\nString[] values = request.getParameterValues(\"array\");\n\n\/\/ \u8f6c\u6362\u4e3a int \u6570\u7ec4\nint[] array = new int[values.length];\nfor (int i = 0; i &lt; values.length; i++) {\n    array[i] = Integer.parseInt(values[i]);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u540e\u53f0\u600e\u4e48\u63a5\u4e00\u4e2a\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u540e\u7aef\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u63a5\u6536\u6570\u7ec4\uff1a 1. \u4f7f\u7528 json\uff1a\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a json \u5b57\u7b26\u4e32\u5e76\u4f5c\u4e3a\u8bf7\u6c42\u4f53\u53d1\u9001\u3002 2. \u4f7f\u7528\u8868\u5355\u6570\u636e\uff1a\u5c06\u6570\u7ec4\u5143\u7d20\u4f5c\u4e3a\u5355\u72ec\u7684\u8868\u5355\u5b57\u6bb5\u53d1\u9001\u3002\u63a5\u6536\u540e\uff0c\u4f7f\u7528 json \u89e3\u6790\u5668\uff08\u5982 jackson\uff09\u89e3\u6790 json\uff0c\u83b7\u53d6\u6570\u7ec4\u503c\uff1b\u4f7f\u7528\u8868\u5355\u6570\u636e\u89e3\u6790\u5668\u83b7\u53d6\u8868\u5355\u5b57\u6bb5\u503c\u5e76\u5c06\u5176\u89e3\u6790\u4e3a\u6570\u7ec4\u3002 Java \u540e\u7aef\u5982\u4f55\u63a5\u6536\u6570\u7ec4 \u7b80\u4ecb \u63a5\u6536\u6570\u7ec4\u662f Java \u540e\u7aef\u5f00\u53d1\u4e2d\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u8981\u63a5\u6536\u6570\u7ec4\uff0c\u9700\u8981\u4e86\u89e3\u5982\u4f55\u5c06\u6570\u7ec4\u4f20\u9012\u5230\u540e\u7aef\uff0c\u4ee5\u53ca\u5982\u4f55\u89e3\u6790\u548c\u5904\u7406\u5b83\u4eec\u3002 \u6570\u7ec4\u7684\u4f20\u9012 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5c06\u6570\u7ec4\u4f20\u9012\u5230\u540e\u7aef\u6709\u591a\u79cd\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u662f\u4f7f\u7528 JSON \u6216\u8868\u5355\u6570\u636e\u3002 JSON\uff1a\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a JSON \u5b57\u7b26\u4e32\u5e76\u5c06\u5176\u4f5c\u4e3a\u8bf7\u6c42\u4f53\u53d1\u9001\u3002 \u8868\u5355\u6570\u636e\uff1a\u4f7f\u7528 HTML \u8868\u5355\u5c06\u6570\u7ec4\u5143\u7d20\u4f5c\u4e3a\u5355\u72ec\u7684\u8868\u5355\u5b57\u6bb5\u53d1\u9001\u3002 JSON \u89e3\u6790 \u5982\u679c\u6570\u7ec4\u901a\u8fc7 JSON \u4f20\u9012\uff0c\u5219\u9700\u8981\u4f7f\u7528 JSON \u89e3\u6790\u5668\u5c06\u5176\u89e3\u6790\u4e3a Java \u5bf9\u8c61\u3002\u53ef\u4ee5\u4f7f\u7528 Jackson \u6216 Gson \u7b49\u5e93\u3002 \u793a\u4f8b\uff1a import com.fasterxml.jackson.databind.ObjectMapper; \/\/ JSON \u5b57\u7b26\u4e32 String json = &#8220;{ &#8220;array&#8221;: [1, [&hellip;]<\/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-64344","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64344","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=64344"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64344\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}