{"id":535,"date":"2019-01-02T13:27:40","date_gmt":"2019-01-02T05:27:40","guid":{"rendered":"https:\/\/www.sunjw.cn\/?p=535"},"modified":"2019-01-02T13:27:40","modified_gmt":"2019-01-02T05:27:40","slug":"python_vparam","status":"publish","type":"post","link":"https:\/\/www.sunjw.cn\/index.php\/2019\/01\/02\/python_vparam\/","title":{"rendered":"[PYTHON]Python\u4e2d\u7684\u51fd\u6570\u53ef\u53d8\u53c2\u6570"},"content":{"rendered":"<p><em><br \/>\n<\/em>\u9996\u5148\u770b\u4e00\u4e2a\u793a\u4f8b<\/p>\n<p><strong><em>def\u00a0testfunc(*a,\u00a0**b):<\/em><\/strong><\/p>\n<p>\u8fd9\u53ef\u4e0d\u662f\u7c7b\u4f3cC\u8bed\u8a00\u4f20\u5165\u6307\u9488\u7684\u51fd\u6570\uff0c\u8fd9\u662fpython\u4e2d\u53ef\u53d8\u53c2\u6570\u7684\u8868\u793a\uff0c<\/p>\n<p>*a\u8868\u793a\u53ef\u53d8\u53c2\u6570\uff0c\u4f20\u5165\u7684\u7c7b\u578b\u4e3atuple<\/p>\n<p>**b\u4f20\u5165\u7684\u7c7b\u578b\u4e3adict<\/p>\n<p><strong><em>&gt;&gt;&gt;\u00a0def\u00a0testfunc(a,\u00a0*b):<\/em><\/strong><\/p>\n<p><strong><em>&#8230;\u00a0\u00a0\u00a0\u00a0\u00a0print(a)<\/em><\/strong><\/p>\n<p><strong><em>&#8230;\u00a0\u00a0\u00a0\u00a0\u00a0print(b)<\/em><\/strong><\/p>\n<p><strong><em>&gt;&gt;&gt;\u00a0testfunc(10,\u00a015,\u00a022,\u00a040,100)<\/em><\/strong><\/p>\n<p><strong><em>10<\/em><\/strong><\/p>\n<p><strong><em>(15,\u00a022,\u00a040,\u00a0100)<\/em><\/strong><\/p>\n<p>\u53ef\u4ee5\u770b\u51fa\uff0ca\u53ea\u63a5\u6536\u4e00\u4e2a\u53c2\u6570\uff0c\u5269\u4e0b\u7684\u5747\u4e3ab\u63a5\u6536\uff0c\u5982\u679c\u6211\u4eec\u6253\u5370\u51fatype(b)\u7684\u8bdd\uff0c\u4f1a\u53d1\u73b0b\u4e3atuple\u7c7b\u578b\u3002<\/p>\n<p>**\u8868\u793a\u53ef\u53d8\u53c2\u6570\u4f5c\u4e3a\u4e00\u4e2adict\u7c7b\u578b\u4f20\u5165\uff0c\u65e2\u7136\u662fdict\u7c7b\u578b\uff0c\u8c03\u7528\u5c31\u9700\u8981\u9075\u5faa\u7279\u5b9a\u7684\u89c4\u5219\u3002<\/p>\n<p><strong><em>&gt;&gt;&gt;\u00a0def\u00a0testfunc(a,\u00a0**b):<\/em><\/strong><\/p>\n<p><strong><em>&#8230;\u00a0\u00a0\u00a0\u00a0\u00a0print(a)<\/em><\/strong><\/p>\n<p><strong><em>&#8230;\u00a0\u00a0\u00a0\u00a0\u00a0print(b)<\/em><\/strong><\/p>\n<p><strong><em>&gt;&gt;&gt;\u00a0testfunc(10,c=100,d=150)<\/em><\/strong><\/p>\n<p><strong><em>10<\/em><\/strong><\/p>\n<p><strong><em>{&#8216;d&#8217;:\u00a0150,\u00a0&#8216;c&#8217;:\u00a0100}<\/em><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a<\/p>\n<ul>\n<li>\u4e00\u4e2a\u51fd\u6570\u5185\u4e0d\u80fd\u540c\u65f6\u51fa\u73b0\u4e24\u4e2atuple\u53ef\u53d8\u53c2\u6570\u6216\u8005\u540c\u65f6\u51fa\u73b0\u4e24\u4e2adict\u53ef\u53d8\u53c2\u6570\uff0c\u5982\u4e0b\u5217\u4ee3\u7801\u4f1a\u62a5\u9519\uff1a<\/li>\n<\/ul>\n<p><strong><em>\u00a0def\u00a0test(**a,\u00a0**b):<\/em><\/strong>\u00a0\u6216\u8005\u00a0<strong><em>\u00a0def\u00a0test(*a,\u00a0*b):<\/em><\/strong><\/p>\n<ul>\n<li>\u4e00\u4e2a\u51fd\u6570\u5185\u53ef\u4ee5\u540c\u65f6\u5b58\u5728\u4e00\u4e2atuple\u53ef\u53d8\u53c2\u6570\u548c\u4e00\u4e2adict\u53ef\u53d8\u53c2\u6570\uff0c\u4f46\u662ftuple\u53ef\u53d8\u53c2\u6570\u5728\u51fd\u6570\u5b9a\u4e49\u65f6\u5fc5\u987b\u5728\u524d\u9762\u5982<br \/>\n<strong><em>def\u00a0test(*a,\u00a0**b):<\/em><\/strong><br \/>\n\u53cd\u4e4b\u5982\u679c\u8fd9\u6837\u5b9a\u4e49<strong><em>def\u00a0test(**a,\u00a0*b):<\/em><\/strong>\u5219\u4f1a\u51fa\u9519\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\u770b\u4e00\u4e2a\u793a\u4f8b def\u00a0testfunc(*a,\u00a0**b): \u8fd9\u53ef\u4e0d\u662f\u7c7b\u4f3cC\u8bed\u8a00\u4f20\u5165\u6307\u9488\u7684\u51fd\u6570\uff0c\u8fd9\u662fpytho [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[12],"tags":[14,15],"_links":{"self":[{"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/posts\/535"}],"collection":[{"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/comments?post=535"}],"version-history":[{"count":1,"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/posts\/535\/revisions"}],"predecessor-version":[{"id":536,"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/posts\/535\/revisions\/536"}],"wp:attachment":[{"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/media?parent=535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/categories?post=535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sunjw.cn\/index.php\/wp-json\/wp\/v2\/tags?post=535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}