{"id":38082,"date":"2024-11-26T09:55:04","date_gmt":"2024-11-26T01:55:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38082\/"},"modified":"2024-11-26T09:55:04","modified_gmt":"2024-11-26T01:55:04","slug":"java%e6%80%8e%e4%b9%88%e6%8e%a5%e6%94%b6%e5%89%8d%e7%ab%af%e4%bc%a0%e7%9a%84%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38082\/","title":{"rendered":"JAVA\u600e\u4e48\u63a5\u6536\u524d\u7aef\u4f20\u7684\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java\u63d0\u4f9b\u4e09\u79cd\u63a5\u6536\u524d\u7aef\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528@requestbody\u6ce8\u89e3\u7ed1\u5b9ajson\u6570\u7ec4\u5230java\u5bf9\u8c61\uff08list\uff09\uff1b\u4f7f\u7528httpservletrequest\u76f4\u63a5\u8bbf\u95eehttp\u8bf7\u6c42body\uff0c\u63d0\u53d6json\u6570\u7ec4\uff1b\u4f7f\u7528jackson\u5e93\u5c06json\u6570\u7ec4\u6620\u5c04\u5230java\u5bf9\u8c61\uff08integer[]\uff09\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111316362030689.jpg\" class=\"aligncenter\" title=\"JAVA\u600e\u4e48\u63a5\u6536\u524d\u7aef\u4f20\u7684\u6570\u7ec4\u63d2\u56fe\" alt=\"JAVA\u600e\u4e48\u63a5\u6536\u524d\u7aef\u4f20\u7684\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u63a5\u6536\u524d\u7aef\u4f20\u6765\u7684\u6570\u7ec4<\/strong><\/p>\n<p>Java \u662f\u4e00\u95e8\u540e\u7aef\u7f16\u7a0b\u8bed\u8a00\uff0c\u7528\u4e8e\u5904\u7406\u6765\u81ea\u524d\u7aef\uff08\u901a\u5e38\u662f\u4f7f\u7528 JavaScript\uff09\u4f20\u9012\u7684\u6570\u636e\u3002\u63a5\u6536\u524d\u7aef\u4f20\u6765\u7684\u6570\u7ec4\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528 @RequestBody<\/strong><\/p>\n<p>\u4f7f\u7528 @RequestBody \u6ce8\u89e3\u53ef\u4ee5\u5c06\u524d\u7aef\u4f20\u9012\u7684 JSON \u6570\u636e\u76f4\u63a5\u7ed1\u5b9a\u5230 Java \u5bf9\u8c61\u3002\u5bf9\u4e8e\u6570\u7ec4\uff0c\u4f7f\u7528 List \u7c7b\u578b\u6765\u63a5\u6536\u3002 <\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>import org.springframework.web.bind.annotation.RequestBody;\nimport org.springframework.web.bind.annotation.PostMapping;\nimport org.springframework.web.bind.annotation.RestController;\n\n@RestController\npublic class ArrayController {\n\n    @PostMapping(\"\/receive-array\")\n    public void receiveArray(@RequestBody List&lt;Integer&gt; numbers) {\n        \/\/ do something with the array\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 HttpServletRequest<\/strong><\/p>\n<p>\u4f7f\u7528 HttpServletRequest \u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee HTTP \u8bf7\u6c42\u7684 body\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>import javax.servlet.http.HttpServletRequest;\nimport org.springframework.web.bind.annotation.PostMapping;\nimport org.springframework.web.bind.annotation.RestController;\n\n@RestController\npublic class ArrayController {\n\n    @PostMapping(\"\/receive-array\")\n    public void receiveArray(HttpServletRequest request) {\n        String jsonArray = request.getReader().lines().collect(Collectors.joining());\n        \/\/ parse jsonArray into an array\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 Jackson \u5e93<\/strong><\/p>\n<p>Jackson \u5e93\u63d0\u4f9b\u4e86\u4e00\u4e2a ObjectMapper\uff0c\u53ef\u4ee5\u5c06 JSON \u6570\u636e\u6620\u5c04\u5230 Java \u5bf9\u8c61\u3002<\/p>\n<p>\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>import com.fasterxml.jackson.databind.ObjectMapper;\nimport org.springframework.web.bind.annotation.PostMapping;\nimport org.springframework.web.bind.annotation.RestController;\n\n@RestController\npublic class ArrayController {\n\n    private final ObjectMapper objectMapper;\n\n    public ArrayController(ObjectMapper objectMapper) {\n        this.objectMapper = objectMapper;\n    }\n\n    @PostMapping(\"\/receive-array\")\n    public void receiveArray(String jsonArray) {\n        Integer[] numbers = objectMapper.readValue(jsonArray, Integer[].class);\n        \/\/ do something with the array\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJAVA\u600e\u4e48\u63a5\u6536\u524d\u7aef\u4f20\u7684\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":"<p>java\u63d0\u4f9b\u4e09\u79cd\u63a5\u6536\u524d\u7aef\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528@requestbody\u6ce8\u89e3\u7ed1\u5b9ajson\u6570\u7ec4\u5230java\u5bf9\u8c61\uff08list\uff09\uff1b\u4f7f\u7528httpservletrequest\u76f4\u63a5\u8bbf\u95eehttp\u8bf7\u6c42body\uff0c\u63d0\u53d6json\u6570\u7ec4\uff1b\u4f7f\u7528jackson\u5e93\u5c06json\u6570\u7ec4\u6620\u5c04\u5230java\u5bf9\u8c61\uff08integer[]\uff09\u3002 \u5982\u4f55\u4f7f\u7528 Java \u63a5\u6536\u524d\u7aef\u4f20\u6765\u7684\u6570\u7ec4 Java \u662f\u4e00\u95e8\u540e\u7aef\u7f16\u7a0b\u8bed\u8a00\uff0c\u7528\u4e8e\u5904\u7406\u6765\u81ea\u524d\u7aef\uff08\u901a\u5e38\u662f\u4f7f\u7528 JavaScript\uff09\u4f20\u9012\u7684\u6570\u636e\u3002\u63a5\u6536\u524d\u7aef\u4f20\u6765\u7684\u6570\u7ec4\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a 1. \u4f7f\u7528 @RequestBody \u4f7f\u7528 @RequestBody \u6ce8\u89e3\u53ef\u4ee5\u5c06\u524d\u7aef\u4f20\u9012\u7684 JSON \u6570\u636e\u76f4\u63a5\u7ed1\u5b9a\u5230 Java \u5bf9\u8c61\u3002\u5bf9\u4e8e\u6570\u7ec4\uff0c\u4f7f\u7528 List \u7c7b\u578b\u6765\u63a5\u6536\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u793a\u4f8b\u4ee3\u7801\uff1a import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RestController; @RestController public class ArrayController { @PostMapping(&#8220;\/receive-array&#8221;) public void receiveArray(@RequestBody List&lt;Integer&gt; numbers) { \/\/ do something with the array } } \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 HttpServletRequest \u4f7f\u7528 HttpServletRequest \u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee HTTP [&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-38082","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38082","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=38082"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38082\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38082"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38082"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}