{"id":38128,"date":"2024-11-26T12:43:18","date_gmt":"2024-11-26T04:43:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38128\/"},"modified":"2024-11-26T12:43:18","modified_gmt":"2024-11-26T04:43:18","slug":"java%e6%80%8e%e4%b9%88%e5%8e%bbform%e4%b8%ad%e7%9a%84%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38128\/","title":{"rendered":"java\u600e\u4e48\u53bbform\u4e2d\u7684\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5bf9\u4e8e\u5982\u4f55\u4ece java \u4e2d\u7684\u8868\u5355\u4e2d\u83b7\u53d6\u6570\u7ec4\uff0c\u6b65\u9aa4\u5982\u4e0b\uff1a\u5bfc\u5165\u5fc5\u8981\u7684\u5e93\uff1aimport javax.servlet.http.httpservletrequest;\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\uff1astring[] values = request.getparametervalues(&#8220;arrayname&#8221;);\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1afor (string value : values) { \/\/ \u5bf9\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c}\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111317364279820.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u53bbform\u4e2d\u7684\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u53bbform\u4e2d\u7684\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4ece Java \u4e2d\u7684\u8868\u5355\u4e2d\u83b7\u53d6\u6570\u7ec4<\/strong><\/p>\n<p>\u5f53\u60a8\u4ece\u8868\u5355\u4e2d\u63d0\u4ea4\u6570\u636e\u65f6\uff0c\u8868\u5355\u4e2d\u7684\u4efb\u4f55\u6570\u7ec4\u5143\u7d20\u90fd\u4f1a\u4f5c\u4e3a\u5177\u6709\u76f8\u540c\u540d\u79f0\u7684\u72ec\u7acb\u5b57\u7b26\u4e32\u4f20\u9012\u7ed9\u670d\u52a1\u5668\u7aef\u3002\u8981\u4ece Java \u4e2d\u83b7\u53d6\u8fd9\u4e9b\u6570\u7ec4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 request.getParameterValues() \u65b9\u6cd5\u3002<\/p>\n<p><strong>\u5177\u4f53\u6b65\u9aa4\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u5bfc\u5165\u5fc5\u8981\u7684\u5e93\uff1a<\/strong><\/li>\n<\/ol>\n<pre>import javax.servlet.http.HttpServletRequest;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li><strong>\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><\/li>\n<\/ol>\n<p>\u53ef\u4ee5\u4f7f\u7528 request.getParameterValues() \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\uff0c\u5176\u4e2d\u5305\u542b\u5177\u6709\u76f8\u540c\u540d\u79f0\u7684\u6240\u6709\u8868\u5355\u5143\u7d20\u7684\u503c\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>String[] values = request.getParameterValues(\"arrayName\");<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li><strong>\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><\/li>\n<\/ol>\n<p>\u60a8\u53ef\u4ee5\u50cf\u8bbf\u95ee\u666e\u901a\u6570\u7ec4\u4e00\u6837\u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n<pre>for (String value : values) {\n    \/\/ \u5bf9\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4ece\u8868\u5355\u4e2d\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u5e76\u5faa\u73af\u904d\u5386\u5b83\u4eec\uff1a<\/p>\n<pre>import javax.servlet.http.HttpServletRequest;\n\npublic class FormArray {\n\n    public static void main(String[] args) {\n        HttpServletRequest request = \/\/ \u6a21\u62df\u8bf7\u6c42\u5bf9\u8c61\n\n        \/\/ \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\n        String[] values = request.getParameterValues(\"arrayName\");\n\n        \/\/ \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5143\u7d20\n        for (String value : values) {\n            System.out.println(value);\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u786e\u4fdd\u6570\u7ec4\u5143\u7d20\u5177\u6709\u76f8\u540c\u7684\u540d\u79f0\u3002<\/li>\n<li>\u5982\u679c\u8868\u5355\u4e2d\u6ca1\u6709\u6307\u5b9a\u540d\u79f0\u7684\u6570\u7ec4\u5143\u7d20\uff0cgetParameterValues() \u65b9\u6cd5\u5c06\u8fd4\u56de null\u3002<\/li>\n<li>\u901a\u8fc7 getParameterValues() \u83b7\u5f97\u7684\u6570\u7ec4\u5143\u7d20\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u5982\u679c\u9700\u8981\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\uff0c\u9700\u8981\u8fdb\u884c\u8f6c\u6362\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u53bbform\u4e2d\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>\u5bf9\u4e8e\u5982\u4f55\u4ece java \u4e2d\u7684\u8868\u5355\u4e2d\u83b7\u53d6\u6570\u7ec4\uff0c\u6b65\u9aa4\u5982\u4e0b\uff1a\u5bfc\u5165\u5fc5\u8981\u7684\u5e93\uff1aimport javax.servlet.http.httpservletrequest;\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\uff1astring[] values = request.getparametervalues(&#8220;arrayname&#8221;);\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1afor (string value : values) { \/\/ \u5bf9\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c} \u5982\u4f55\u4ece Java \u4e2d\u7684\u8868\u5355\u4e2d\u83b7\u53d6\u6570\u7ec4 \u5f53\u60a8\u4ece\u8868\u5355\u4e2d\u63d0\u4ea4\u6570\u636e\u65f6\uff0c\u8868\u5355\u4e2d\u7684\u4efb\u4f55\u6570\u7ec4\u5143\u7d20\u90fd\u4f1a\u4f5c\u4e3a\u5177\u6709\u76f8\u540c\u540d\u79f0\u7684\u72ec\u7acb\u5b57\u7b26\u4e32\u4f20\u9012\u7ed9\u670d\u52a1\u5668\u7aef\u3002\u8981\u4ece Java \u4e2d\u83b7\u53d6\u8fd9\u4e9b\u6570\u7ec4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 request.getParameterValues() \u65b9\u6cd5\u3002 \u5177\u4f53\u6b65\u9aa4\uff1a \u5bfc\u5165\u5fc5\u8981\u7684\u5e93\uff1a import javax.servlet.http.HttpServletRequest; \u767b\u5f55\u540e\u590d\u5236 \u83b7\u53d6\u6570\u7ec4\u5143\u7d20\uff1a \u53ef\u4ee5\u4f7f\u7528 request.getParameterValues() \u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\uff0c\u5176\u4e2d\u5305\u542b\u5177\u6709\u76f8\u540c\u540d\u79f0\u7684\u6240\u6709\u8868\u5355\u5143\u7d20\u7684\u503c\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b String[] values = request.getParameterValues(&#8220;arrayName&#8221;); \u767b\u5f55\u540e\u590d\u5236 \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a \u60a8\u53ef\u4ee5\u50cf\u8bbf\u95ee\u666e\u901a\u6570\u7ec4\u4e00\u6837\u8bbf\u95ee\u5b57\u7b26\u4e32\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a for (String value : values) { \/\/ \u5bf9\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c } \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\u4ee3\u7801\uff1a \u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4ece\u8868\u5355\u4e2d\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u5e76\u5faa\u73af\u904d\u5386\u5b83\u4eec\uff1a import javax.servlet.http.HttpServletRequest; public class [&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-38128","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38128","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=38128"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38128\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}