{"id":3459,"date":"2022-01-04T22:29:30","date_gmt":"2022-01-04T14:29:30","guid":{"rendered":"\/?p=3459"},"modified":"2022-01-11T22:31:05","modified_gmt":"2022-01-11T14:31:05","slug":"6-%e5%ad%97%e5%85%b8","status":"publish","type":"post","link":"http:\/\/xinblog.ltd\/?p=3459","title":{"rendered":"6.\u5b57\u5178"},"content":{"rendered":"\n<p>\u5b57\u5178\u5c31\u662fJava\u4e2d\u7684Map\u5bf9\u8c61<\/p>\n\n\n\n<p>\u5176\u5185\u90e8\u91c7\u7528\u952e\u503c\u5bf9\u5b58\u50a8,\u5b57\u5178\u7684\u6570\u636e\u548c\u6570\u636e\u987a\u5e8f\u6ca1\u6709\u4efb\u4f55\u7684\u5173\u7cfb,\u53ea\u9700\u8981\u6307\u5b9a\u952e\u7684\u540d\u5b57\u5c31\u53ef\u4ee5\u67e5\u627e\u6570\u636e<\/p>\n\n\n\n<p>\u521b\u5efa\u5b57\u5178\u7684\u8bed\u6cd5<\/p>\n\n\n\n<p>\u7b26\u53f7\u76f4\u63a5\u4f7f\u7528\u5927\u62ec\u53f7,\u6570\u636e\u4e3a\u952e\u503c\u5bf9\u7684\u5f62\u5f0f<\/p>\n\n\n\n<p>dict = {&#8216;name&#8217;:&#8217;Tom&#8217;}<\/p>\n\n\n\n<p>\u5176\u5e38\u89c1\u7684\u51fd\u6570\u4e3a<\/p>\n\n\n\n<p>\u589e\u52a0\u548c\u4fee\u6539<\/p>\n\n\n\n<p>\u90fd\u662f dict[key] = value<\/p>\n\n\n\n<p>\u5220\u9664&nbsp;del dect[key]<\/p>\n\n\n\n<p>\u6216\u8005\u76f4\u63a5\u6e05\u7a7a\u5b57\u5178 dict.clear()<\/p>\n\n\n\n<p>\u67e5\u627e\u4e5f\u662f\u76f4\u63a5\u83b7\u53d6<\/p>\n\n\n\n<p>dict[&#8216;name&#8217;]<\/p>\n\n\n\n<p>\u4e0d\u8fc7\u8fd9\u6837\u76f4\u63a5\u83b7\u53d6\u7684\u8bdd,\u5982\u679c\u5bf9\u5e94\u7684key\u4e0d\u5b58\u5728,\u76f4\u63a5\u4f1a\u62a5\u9519<\/p>\n\n\n\n<p>\u6240\u4ee5\u5b57\u5178\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u83b7\u53d6\u7684\u53c2\u6570,\u6bd4\u5982get<\/p>\n\n\n\n<p>dict.get(key,\u9ed8\u8ba4\u503c)<\/p>\n\n\n\n<p>\u9664\u6b64\u5916,\u8fd8\u53ef\u4ee5\u5206\u522b\u83b7\u53d6key\u7684\u96c6\u5408,value\u7684\u96c6\u5408,\u952e\u503c\u5bf9\u7684\u96c6\u5408,\u5bf9\u5e94\u7684\u51fd\u6570\u5982\u4e0b<\/p>\n\n\n\n<p>keys() values() items()<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u5b57\u5178\u7684\u904d\u5386,<\/p>\n\n\n\n<p>\u53ef\u4ee5\u5148\u83b7\u53d6\u5bf9\u5e94\u7684\u96c6\u5408,\u7136\u540e\u8fdb\u884c\u904d\u5386,\u5982\u679c\u76f4\u63a5\u904d\u5386dict.\u662f\u904d\u5386\u7684dict\u7684keys<\/p>\n\n\n\n<p>\u96c6\u4e2d\u8bb0\u4f4f,\u5bf9\u5e94\u7684\u51fd\u6570 keys values get items<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b57\u5178\u5c31\u662fJava\u4e2d\u7684Map\u5bf9\u8c61 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"_links":{"self":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/3459"}],"collection":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3459"}],"version-history":[{"count":0,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=\/wp\/v2\/posts\/3459\/revisions"}],"wp:attachment":[{"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3459"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinblog.ltd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}