{"id":45136,"date":"2023-09-29T22:07:09","date_gmt":"2023-09-29T14:07:09","guid":{"rendered":"\/\/www.dealsbon.com\/?p=45136"},"modified":"2023-09-29T22:07:14","modified_gmt":"2023-09-29T14:07:14","slug":"cbdfsrljsjlxzh","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/45136.html","title":{"rendered":"\u4ecebyte\u5230float\uff1a\u6df1\u5165\u4e86\u89e3\u6570\u636e\u7c7b\u578b\u8f6c\u6362"},"content":{"rendered":"

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\u4ec0\u4e48\u662fbyte\u548cfloat\u6570\u636e\u7c7b\u578b<\/h2>\n

  \u9996\u5148\uff0c\u8ba9\u6211\u4eec\u6765\u4e86\u89e3\u4e00\u4e0bbyte\u548cfloat\u8fd9\u4e24\u79cd\u6570\u636e\u7c7b\u578b\u3002byte\u6570\u636e\u7c7b\u578b\u662f\u4e00\u79cd8\u4f4d\u4e8c\u8fdb\u5236\u6570\u636e\u7c7b\u578b\uff0c\u5b83\u53ef\u4ee5\u8868\u793a\u4ece0\u5230255\u4e4b\u95f4\u7684\u4efb\u610f\u6574\u6570\uff0cbyte\u6570\u636e\u7c7b\u578b\u7684\u53d6\u503c\u8303\u56f4\u662f-128\u5230127\u4e4b\u95f4\u7684\u6574\u6570\u3002float\u6570\u636e\u7c7b\u578b\u662f\u4e00\u79cd32\u4f4d\u6d6e\u70b9\u6570\u636e\u7c7b\u578b\uff0c\u5b83\u53ef\u4ee5\u8868\u793a\u4ece-3.4E+38\u5230+3.4E+38\u4e4b\u95f4\u7684\u4efb\u610f\u6d6e\u70b9\u6570\u3002<\/p>\n

byte\u8f6cfloat\u7684\u65b9\u6cd5<\/h2>\n

  \u5f53\u9700\u8981\u5c06\u4e00\u4e2abyte\u7c7b\u578b\u7684\u6570\u636e\u8f6c\u6362\u6210float\u7c7b\u578b\u7684\u6570\u636e\u65f6\uff0c\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\uff1a<\/p>\n

  1.\u4f7f\u7528C\u8bed\u8a00\u4e2d\u7684\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362<\/h3>\n

  \u5728C\u8bed\u8a00\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5f3a\u5236\u7c7b\u578b\u8f6c\u6362\u6765\u5b9e\u73b0byte\u8f6cfloat\u7684\u8f6c\u6362\uff0c\u5177\u4f53\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

float f = (float)b;<\/pre>\n
  \u5176\u4e2d\uff0cb\u4e3abyte\u7c7b\u578b\u7684\u53d8\u91cf\uff0cf\u4e3afloat\u7c7b\u578b\u7684\u53d8\u91cf\u3002<\/p>\n
  2.\u4f7f\u7528Java\u8bed\u8a00\u4e2d\u7684Byte.toFloat()\u65b9\u6cd5<\/h3>\n
  \u5728Java\u8bed\u8a00\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Byte.toFloat()\u65b9\u6cd5\u6765\u5b9e\u73b0byte\u8f6cfloat\u7684\u8f6c\u6362\uff0c\u5177\u4f53\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
float f = Byte.toFloat(b);<\/pre>\n
  \u5176\u4e2d\uff0cb\u4e3abyte\u7c7b\u578b\u7684\u53d8\u91cf\uff0cf\u4e3afloat\u7c7b\u578b\u7684\u53d8\u91cf\u3002<\/p>\n
  3.\u4f7f\u7528Python\u8bed\u8a00\u4e2d\u7684float()\u65b9\u6cd5<\/h3>\n
  \u5728Python\u8bed\u8a00\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528float()\u65b9\u6cd5\u6765\u5b9e\u73b0byte\u8f6cfloat\u7684\u8f6c\u6362\uff0c\u5177\u4f53\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
f = float(b)<\/pre>\n
  \u5176\u4e2d\uff0cb\u4e3abyte\u7c7b\u578b\u7684\u53d8\u91cf\uff0cf\u4e3afloat\u7c7b\u578b\u7684\u53d8\u91cf\u3002<\/p>\n
\u603b\u7ed3<\/h2>\n
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\u5728\u8ba1\u7b97\u673a\u7f16\u7a0b\u7684\u4e16\u754c\u4e2d\uff0c\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\u3002\u5728\u4e0d\u540c\u7684\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u6709\u65f6\u5019\u9700\u8981\u5c06\u4e00\u79cd\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u6210\u53e6\u4e00\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u4ee5\u6ee1\u8db3\u7f16\u7a0b\u9700\u6c42\u3002\u5176\u4e2d\uff0c\u4ecebyte\u5230float\u6570\u636e<\/p>\n","protected":false},"author":1,"featured_media":4132,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[305],"class_list":["post-45136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-dzjs"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/45136"}],"collection":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/comments?post=45136"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/45136\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=45136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=45136"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=45136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}