{"id":2503,"date":"2024-11-10T09:58:57","date_gmt":"2024-11-10T01:58:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/2503\/"},"modified":"2024-11-10T09:58:57","modified_gmt":"2024-11-10T01:58:57","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-javascript-%e8%8e%b7%e5%8f%96%e4%b8%8a%e4%bc%a0%e5%9b%be%e7%89%87%e7%9a%84%e7%bb%9d%e5%af%b9%e8%b7%af%e5%be%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/2503\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 JavaScript \u83b7\u53d6\u4e0a\u4f20\u56fe\u7247\u7684\u7edd\u5bf9\u8def\u5f84\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528<\/p>\n

\u83b7\u53d6\u4e0a\u4f20\u56fe\u7247\u7684\u7edd\u5bf9\u8def\u5f84<\/strong><\/p>\n

\u5728\u524d\u7aef\u8fdb\u884c\u56fe\u7247\u4e0a\u4f20\u65f6\uff0c\u867d\u7136\u53ef\u4ee5\u4f7f\u7528 input \u5143\u7d20\u83b7\u5f97\u56fe\u7247\u7684\u540d\u79f0\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u83b7\u53d6\u4e0a\u4f20\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 javascript \u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n

\u4e3a\u4e86\u83b7\u53d6\u56fe\u7247\u7684\u7edd\u5bf9\u8def\u5f84\uff0c\u53ef\u4ee5\u5728 input \u5143\u7d20\u4e2d\u6dfb\u52a0 onchange \u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u5728\u76d1\u542c\u5668\u4e2d\u5199\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n

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

document.getelementbyid('thefilepath').value = this.value;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • this.value \u8868\u793a\u9009\u53d6\u7684\u6587\u4ef6\u7684\u8def\u5f84<\/li>\n
  • thefilepath \u662f\u4e00\u4e2a\u9690\u85cf\u7684 input \u5143\u7d20\uff0c\u7528\u6765\u5b58\u50a8\u6587\u4ef6\u8def\u5f84<\/li>\n<\/ul>\n
    \u540c\u65f6\uff0c\u8fd8\u9700\u8981\u5728 form \u5143\u7d20\u4e2d\u6dfb\u52a0 enctype=”multipart\/form-data” \u5c5e\u6027\uff0c\u4ee5\u652f\u6301\u6587\u4ef6\u4e0a\u4f20\u3002<\/p>\n
    \u5728\u670d\u52a1\u5668\u7aef\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u83b7\u53d6\u4e0a\u4f20\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\uff1a<\/p>\n
    String filePath = request.getParameter(\"theFilePath\");<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d filepath \u5373\u4e3a\u4e0a\u4f20\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\u3002<\/p>\n
    \u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
      \n
    • \u8be5\u65b9\u6cd5\u5728 firefox \u548c ie \u6d4f\u89c8\u5668\u4e2d\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528\u3002<\/li>\n
    • \u5728 google chrome \u6d4f\u89c8\u5668\u4e2d\uff0c\u53ef\u80fd\u4f1a\u5f97\u5230\u6587\u4ef6\u540d\u800c\u4e0d\u662f\u7edd\u5bf9\u8def\u5f84\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u83b7\u53d6\u4e0a\u4f20\u56fe\u7247\u7684\u7edd\u5bf9\u8def\u5f84\uff1f\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":"
      \u83b7\u53d6\u4e0a\u4f20\u56fe\u7247\u7684\u7edd\u5bf9\u8def\u5f84 \u5728\u524d\u7aef\u8fdb\u884c\u56fe\u7247\u4e0a\u4f20\u65f6\uff0c\u867d\u7136\u53ef\u4ee5\u4f7f\u7528 input \u5143\u7d20\u83b7\u5f97\u56fe\u7247\u7684\u540d\u79f0\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9700\u8981\u83b7\u53d6\u4e0a\u4f20\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 javascript \u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002 \u89e3\u51b3\u65b9\u6848 \u4e3a\u4e86\u83b7\u53d6\u56fe\u7247\u7684\u7edd\u5bf9\u8def\u5f84\uff0c\u53ef\u4ee5\u5728 input \u5143\u7d20\u4e2d\u6dfb\u52a0 onchange \u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u5728\u76d1\u542c\u5668\u4e2d\u5199\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b document.getelementbyid(‘thefilepath’).value = this.value; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a this.value \u8868\u793a\u9009\u53d6\u7684\u6587\u4ef6\u7684\u8def\u5f84 thefilepath \u662f\u4e00\u4e2a\u9690\u85cf\u7684 input \u5143\u7d20\uff0c\u7528\u6765\u5b58\u50a8\u6587\u4ef6\u8def\u5f84 \u540c\u65f6\uff0c\u8fd8\u9700\u8981\u5728 form \u5143\u7d20\u4e2d\u6dfb\u52a0 enctype=”multipart\/form-data” \u5c5e\u6027\uff0c\u4ee5\u652f\u6301\u6587\u4ef6\u4e0a\u4f20\u3002 \u5728\u670d\u52a1\u5668\u7aef\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u83b7\u53d6\u4e0a\u4f20\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\uff1a String filePath = request.getParameter(“theFilePath”); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d filepath \u5373\u4e3a\u4e0a\u4f20\u6587\u4ef6\u7684\u7edd\u5bf9\u8def\u5f84\u3002 \u6ce8\u610f\u4e8b\u9879 \u8be5\u65b9\u6cd5\u5728 firefox \u548c ie \u6d4f\u89c8\u5668\u4e2d\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528\u3002 \u5728 google chrome \u6d4f\u89c8\u5668\u4e2d\uff0c\u53ef\u80fd\u4f1a\u5f97\u5230\u6587\u4ef6\u540d\u800c\u4e0d\u662f\u7edd\u5bf9\u8def\u5f84\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u83b7\u53d6\u4e0a\u4f20\u56fe\u7247\u7684\u7edd\u5bf9\u8def\u5f84\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-2503","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2503","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=2503"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2503\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=2503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=2503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=2503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}