{"id":180855,"date":"2023-08-01T00:53:25","date_gmt":"2023-07-31T16:53:25","guid":{"rendered":"http:\/\/www.idc.net\/help\/180855\/"},"modified":"2023-08-01T00:53:25","modified_gmt":"2023-07-31T16:53:25","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9apython%e6%80%8e%e4%b9%88%e5%af%bc%e5%85%a5txt","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/180855\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1apython\u600e\u4e48\u5bfc\u5165txt"},"content":{"rendered":"

<\/p>\n

\u4f7f\u7528python\u5bf9\u6570\u636e\u8fdb\u884c\u8ba1\u7b97\u5206\u6790\uff0c\u6570\u636e\u6587\u4ef6\u4e00\u822c\u9700\u8981\u8fdb\u884c\u5bfc\u5165\u5e76\u5904\u7406\u4e3a\u53ef\u76f4\u63a5\u4f7f\u7528\u7684\u683c\u5f0f\u3002<\/p>\n

\u6253\u5f00\uff1a \u4f7f\u7528python\u7684\u5185\u7f6e\u51fd\u6570open()\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2afile\u5bf9\u8c61\u3002\u4f7f\u7528\u8be5\u5bf9\u8c61\u7684\u65b9\u6cd5\u53ef\u4ee5\u5bf9\u6587\u4ef6\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n

file_object = open(file_name)<\/p>\n

\u4f8b\u5982 file_object = open('E:\\pythonProject\\datingTestSet.txt')<\/p>\n

\u5bf9\u6570\u636e\u5904\u7406\u5e38\u4f7f\u7528\u7684\u65b9\u6cd5<\/p>\n

\u8bfb\u53d6\uff1a file.readlines()\uff0c\u65e0\u53c2\u6570\u8f93\u5165\n\u529f\u80fd\uff1a\u8bfb\u53d6\u6240\u6709\u884c\u5e76\u8fd4\u56de\u5217\u8868\n\u8be5\u5217\u8868\u4f7f\u7528for...in...\u7ed3\u6784\u5904\u7406;<\/pre>\n
\u63a8\u8350\u5b66\u4e60\u300apython\u6559\u7a0b\u300b<\/p>\n
\u5b57\u7b26\u4e32\u5904\u7406\uff1a<\/p>\n
\u79fb\u9664\uff1astrip()\u65b9\u6cd5\uff0c\u7528\u4e8e\u79fb\u9664\u5b57\u7b26\u4e32\u5934\u5c3e\u6307\u5b9a\u7684\u5b57\u7b26\uff1b<\/p>\n
\u8bed\u6cd5\uff1astr.strip([chars])\uff0cchars\u4e3a\u6307\u5b9a\u7684\u5b57\u7b26\uff0c<\/p>\n
\u8fd4\u56de\u65b0\u5b57\u7b26\u4e32\u3002<\/p>\n
\u5206\u5272\uff1asplit()\u65b9\u6cd5\uff0c\u6839\u636e\u6307\u5b9a\u5206\u9694\u7b26\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5206\u5272\u3002\n\u8bed\u6cd5\uff1astr.split(),\u9ed8\u8ba4\u4e3a\u6240\u6709\u7684\u7a7a\u5b57\u7b26\u3002\u5305\u62ec\u7a7a\u683c\uff0c\u6362\u884c(\\n)\uff0c\u5236\u8868\u7b26(\\t)<\/pre>\n
\u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u5206\u5272\u5217\u8868\u3002<\/p>\n
\u8bbf\u95ee\u5217\u8868\uff1a\u5217\u8868\u7d22\u5f15\u4ece0\u5f00\u59cb\uff0c\u4f7f\u7528 \u65b9\u62ec\u53f7+\u7d22\u5f15 \u76f4\u63a5\u8bbf\u95ee<\/p>\n
\u4f8b\u5982   ...index = 0<\/p>\n
for line in file_object.readlines(): # \u4f9d\u6b21\u8bfb\u53d6\u6bcf\u4e00\u884c\n    line = line.strip()    #\u53bb\u6389\u6bcf\u884c\u7684\u5934\u5c3e\u7a7a\u767d\n    list_from_line = line.split('\\t')\n    return_matrix[index,:] = lis_from_line[0:3]\n    index +=1\nfile_object.close()<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u4f7f\u7528python\u5bf9\u6570\u636e\u8fdb\u884c\u8ba1\u7b97\u5206\u6790\uff0c\u6570\u636e\u6587\u4ef6\u4e00\u822c\u9700\u8981\u8fdb\u884c\u5bfc\u5165\u5e76\u5904\u7406\u4e3a\u53ef\u76f4\u63a5\u4f7f\u7528\u7684\u683c\u5f0f\u3002 \u6253\u5f00\uff1a \u4f7f\u7528pytho […]<\/p>\n","protected":false},"author":1,"featured_media":180856,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182397],"tags":[],"class_list":["post-180855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/180855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=180855"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/180855\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/180856"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=180855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=180855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=180855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}