{"id":1659,"date":"2023-07-15T09:16:39","date_gmt":"2023-07-15T01:16:39","guid":{"rendered":"http:\/\/zhang.mba\/?p=1659"},"modified":"2023-07-15T09:17:27","modified_gmt":"2023-07-15T01:17:27","slug":"roundfloatvalue-3","status":"publish","type":"post","link":"https:\/\/zhang.mba\/index.php\/2023\/07\/15\/09\/16\/39\/1659\/roundfloatvalue-3\/python\/zhangzhiqi\/","title":{"rendered":"round(float(value), 3)"},"content":{"rendered":"<p>\u5728\u63d0\u4f9b\u7684\u4ee3\u7801\u4e2d\uff0cround() \u662f\u4e00\u4e2a\u5185\u7f6e\u51fd\u6570\uff0c\u7528\u4e8e\u5bf9\u6d6e\u70b9\u6570\u8fdb\u884c\u56db\u820d\u4e94\u5165\u5e76\u8fd4\u56de\u6307\u5b9a\u7cbe\u5ea6\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u4ee3\u7801\u89e3\u91ca\uff1a<\/p>\n<pre class=\"line-numbers\"><code class=\"language-python\">round(float(value), 3)\nvalue \u662f\u4e00\u4e2a\u53d8\u91cf\uff0c\u53ef\u80fd\u662f\u5305\u542b\u6d6e\u70b9\u6570\u503c\u7684\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u7c7b\u578b\u7684\u53d8\u91cf\u3002\nfloat(value) \u5c06\u53d8\u91cf value \u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u7c7b\u578b\uff0c\u4ee5\u4fbf\u8fdb\u884c\u820d\u5165\u64cd\u4f5c\u3002\n3 \u662f\u4e00\u4e2a\u6574\u6570\u53c2\u6570\uff0c\u8868\u793a\u8981\u4fdd\u7559\u7684\u5c0f\u6570\u4f4d\u6570\u3002\nround() \u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u6d6e\u70b9\u6570\u4f5c\u4e3a\u8f93\u5165\uff0c\u5e76\u5c06\u5176\u56db\u820d\u4e94\u5165\u4e3a\u6307\u5b9a\u7cbe\u5ea6\u7684\u7ed3\u679c\u3002\n\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c value \u7684\u503c\u4e3a 3.14159\uff0c\u90a3\u4e48\u6267\u884c round(float(value), 3) \u540e\uff0c\u7ed3\u679c\u5c06\u662f 3.142\uff0c\u56e0\u4e3a\u5c06\u6d6e\u70b9\u6570 3.14159 \u4fdd\u7559\u5230\u5c0f\u6570\u70b9\u540e 3 \u4f4d\uff0c\u5e76\u8fdb\u884c\u56db\u820d\u4e94\u5165\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cround() \u51fd\u6570\u7684\u8fd4\u56de\u503c\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570\uff0c\u800c\u4e0d\u662f\u5b57\u7b26\u4e32\u3002\u5982\u679c\u9700\u8981\u5c06\u7ed3\u679c\u4f5c\u4e3a\u5b57\u7b26\u4e32\u4f7f\u7528\uff0c\u53ef\u4ee5\u4f7f\u7528 str() \u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u3002\u4f8b\u5982\uff0cstr(round(float(value), 3)) \u53ef\u4ee5\u5f97\u5230 &quot;3.142&quot;\u3002<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>\u5728\u63d0\u4f9b\u7684\u4ee3\u7801\u4e2d\uff0cround() \u662f\u4e00\u4e2a\u5185\u7f6e\u51fd\u6570\uff0c\u7528\u4e8e\u5bf9\u6d6e\u70b9\u6570\u8fdb\u884c\u56db\u820d\u4e94\u5165\u5e76\u8fd4\u56de\u6307\u5b9a\u7cbe\u5ea6\u7684\u7ed3\u679c\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0},"categories":[12],"tags":[61],"_links":{"self":[{"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/posts\/1659"}],"collection":[{"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/comments?post=1659"}],"version-history":[{"count":0,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/posts\/1659\/revisions"}],"wp:attachment":[{"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/media?parent=1659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/categories?post=1659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhang.mba\/index.php\/wp-json\/wp\/v2\/tags?post=1659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}