{"id":76,"date":"2021-06-17T22:50:11","date_gmt":"2021-06-17T14:50:11","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/python\/?p=76"},"modified":"2021-06-17T23:02:11","modified_gmt":"2021-06-17T15:02:11","slug":"python%e7%9a%84%e5%ad%97%e5%85%b8","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/python\/post-76.html","title":{"rendered":"python\u7684\u5b57\u5178"},"content":{"rendered":"\n<p>\u5b57\u5178, \u662f python \u4e2d\u9664\u4e86\u5217\u8868\u4ee5\u5916\u6700\u7075\u6d3b\u7684\u6570\u636e\u7c7b\u578b<\/p>\n\n\n\n<p>\u5b57\u5178\u540c\u6837\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u591a\u4e2a\u6570\u636e<\/p>\n\n\n\n<p>\u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u63cf\u8ff0\u4e00\u4e2a\u7269\u4f53\u7684\u76f8\u5173\u4fe1\u606f, \u548c\u5217\u8868\u7684\u533a\u522b\u662f<\/p>\n\n\n\n<ul><li>\u5217\u8868\u662f\u6709\u5e8f\u7684\u5bf9\u8c61\u96c6\u5408<\/li><li>\u5b57\u5178\u662f\u65e0\u5e8f\u7684\u5bf9\u8c61\u96c6\u5408<\/li><\/ul>\n\n\n\n<p>\u5b57\u5178\u662f{}\u5b9a\u4e49, \u4f7f\u7528\u952e\u503c\u5bf9\u5b58\u50a8\u6570\u636e, \u952e\u503c\u5bf9\u4e4b\u95f4\u4f7f\u7528 , \u5206\u9694<\/p>\n\n\n\n<ul><li>\u952e key \u662f\u7d22\u5f15<\/li><li>\u503c value \u662f\u6570\u636e<\/li><li>\u952e\u548c\u503c\u4e4b\u95f4\u4f7f\u7528 : \u5206\u9694<\/li><li>\u952e\u5fc5\u987b\u662f\u552f\u4e00\u7684<\/li><li>\u503c\u53ef\u4ee5\u662f\u4efb\u4f55\u6570\u636e\u7c7b\u578b, \u4f46\u952e\u53ea\u80fd\u662f \u5b57\u7b26\u4e32, \u6570\u5b57\u6216\u5143\u7ec4<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>xiaoming = {\"name\": \"\u5c0f\u660e\",\n            \"age\": 18,\n            \"gender\": True,\n            \"height\": 1.75}<\/code><\/pre>\n\n\n\n<p>\u5173\u4e8epython\u7684\u7f29\u8fdb, \u5982\u679c\u4f60\u89c9\u5f97\u9ebb\u70e6, \u63a8\u8350\u4f7f\u7528 <em>PyCharm<\/em>, \u4ece<a rel=\"noreferrer noopener\" href=\"https:\/\/www.jetbrains.com\/pycharm\/download\/#section=windows\" target=\"_blank\">\u5b98\u7f51\u4e0b\u8f7d<\/a><\/p>\n\n\n\n<p>\u4ece\u672c\u7ad9\u5907\u7528\u4e0b\u8f7d, <a href=\"https:\/\/bp3.52dixiaowo.com\/dn.php?fsid=596921065306620\" target=\"_blank\" rel=\"noreferrer noopener\">pycharm-professional-2021.1.2.exe<\/a><\/p>\n\n\n\n<p><strong>\u5173\u4e8e\u64cd\u4f5c\u5b57\u5178\u7684\u65b9\u6cd5, \u5305\u542b\u4f46\u4e0d\u9650\u4e8e\u4ee5\u4e0b\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><tbody><tr><td>len(\u5b57\u5178)<\/td><td>\u83b7\u53d6\u5b57\u5178\u7684\u952e\u503c\u5bf9\u6570\u91cf<\/td><\/tr><tr><td>\u5b57\u5178.keys()<\/td><td>\u83b7\u53d6key\u5217\u8868<\/td><\/tr><tr><td>\u5b57\u5178[&#8220;keyName&#8221;]<\/td><td>\u83b7\u53d6\u6307\u5b9akey\u540d\u7684\u503c<\/td><\/tr><tr><td>\u5b57\u5178.values()<\/td><td>\u6240\u6709value\u5217\u8868<\/td><\/tr><tr><td>\u5b57\u5178.items()<\/td><td>\u6240\u6709(key,value)\u5143\u7ec4\u5217\u8868<\/td><\/tr><tr><td>\u5b57\u5178[&#8220;keyName&#8221;]=xxx<\/td><td>\u4fee\u6539(\u589e\u52a0)\u6307\u5b9a\u540d\u79f0key\u7684\u503c<\/td><\/tr><tr><td>\u5b57\u5178.pop(&#8220;keName&#8221;)<\/td><td>\u5220\u9664\u6307\u5b9akey\u540d\u7684\u952e\u503c\u5bf9<\/td><\/tr><tr><td>\u5b57\u5178.update(\u5b57\u51782)<\/td><td>\u5408\u5e76\u5b57\u51782\u5230\u5b57\u5178\u4e2d<\/td><\/tr><tr><td>\u5b57\u5178.clear()<\/td><td>\u6e05\u7a7a\u5b57\u5178<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u904d\u5386\u5b57\u5178<\/strong><\/p>\n\n\n\n<p>\u4f7f\u7528 for in \u8bed\u53e5\u904d\u5386, \u5176\u4e2d k \u662f\u952e\u503c\u5bf9\u7684key\u540d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for k in xiaoming:\n    print(\"%s - %s\" % (k, xiaoming&#91;k]))<\/code><\/pre>\n\n\n\n<p><strong>\u5b57\u5178\u7684\u5e94\u7528\u573a\u666f<\/strong><\/p>\n\n\n\n<p>\u5c3d\u7ba1\u53ef\u4ee5\u4f7f\u7528 for in \u904d\u5386\u5b57\u5178<\/p>\n\n\n\n<p>\u4f46\u662f\u5728\u5f00\u53d1\u4e2d, \u66f4\u591a\u7684\u5e94\u7528\u573a\u666f\u662f: <\/p>\n\n\n\n<ul><li>\u4f7f\u7528\u591a\u4e2a\u952e\u503c\u5bf9, \u5b58\u50a8\u63cf\u8ff0\u4e00\u4e2a <em>\u7269\u4f53<\/em> \u7684\u76f8\u5173\u4fe1\u606f, \u63cf\u8ff0\u66f4\u590d\u6742\u7684\u6570\u636e\u4fe1\u606f<\/li><li>\u5c06\u591a\u4e2a\u5b57\u5178\u653e\u5728\u4e00\u4e2a\u5217\u8868\u4e2d, \u518d\u8fdb\u884c\u904d\u5386<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>cart_list = &#91;\n    {\"name\": \"\u5f20\u4e09\",\n     \"qq\": \"123456\",\n     \"phone\": \"10086\"},\n    {\"name\": \"\u674e\u56db\",\n     \"qq\": \"322323\",\n     \"phone\": \"222\"}\n]\nfor cart_info in cart_list:\n\n    print(cart_info)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5b57\u5178, \u662f python \u4e2d\u9664\u4e86\u5217\u8868\u4ee5\u5916\u6700\u7075\u6d3b\u7684\u6570\u636e\u7c7b\u578b \u5b57\u5178\u540c\u6837\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u591a\u4e2a\u6570\u636e \u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u63cf\u8ff0\u4e00\u4e2a\u7269&hellip; <a href=\"https:\/\/www.52dixiaowo.com\/python\/post-76.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">python\u7684\u5b57\u5178<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts\/76"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/comments?post=76"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/posts\/76\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/media?parent=76"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/categories?post=76"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/python\/wp-json\/wp\/v2\/tags?post=76"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}