{"id":3903,"date":"2020-07-15T11:32:54","date_gmt":"2020-07-15T03:32:54","guid":{"rendered":"https:\/\/www.webteach.tw\/?p=3903"},"modified":"2020-07-15T11:32:54","modified_gmt":"2020-07-15T03:32:54","slug":"public-private-protected-final","status":"publish","type":"post","link":"https:\/\/www.webteach.tw\/?p=3903","title":{"rendered":"[ PHP ] &#8211; OOP 3 \u985e\u5225\u4e2d\u7684  public private protected final \u516c\u958b \u79c1\u6709 \u4fdd\u8b77 \u6700\u7d42 \u529f\u80fd\u5dee\u7570"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u518d\u4e0a\u4e00\u7bc7\u6559\u5b78\u4e2d\u6211\u5011\u770b\u5230 \u985e\u5225\u751f\u6210\u5f8c\u7adf\u7136\u53ef\u4ee5\u76f4\u63a5\u8b80\u5beb\u5c6c\u6027\u503c\uff0c\u539f\u4f86\u662f oop \u4e2d\u7684\u91cd\u8981\u89d2\u8272 public ( \u516c\u958b ) private ( \u79c1\u6709 ) protected ( \u4fdd\u8b77 ) final (\u6700\u7d42) \u9084\u6c92\u4e0a\u5834\u3002<\/p>\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">\n\/\/\u539f\u4f86\u7269\u4ef6\u5c0e\u5411\u6709\u4e09\u500b\u5f88\u91cd\u8981\u7684\u5b58\u53d6\u8a2d\u5b9a\u503c(\u4fee\u98fe\u7b26)\n\/\/static \u975c\u614b \u4e0d\u7528\u751f\u6210\u985e\u5225 \u5c31\u53ef\u4ee5\u76f4\u63a5 \u5b58\u53d6 \u9019\u90e8\u4efd\u4e5f\u662f\u7559\u8457\u4e4b\u5f8c\u518d\u5beb\u7bc4\u4f8b\n\/\/public \u516c\u958b \u751f\u6210\u985e\u5225\u5f8c \u4e0d\u8ad6\u5728 \u985e\u5225\u7684\u5167\u90e8 \u6216 \u5916\u90e8\u90fd\u53ef\u4ee5 \u5beb\u5165\u8b80\u53d6\u5c6c\u6027\u7684\u503c\n\/\/private \u79c1\u6709 \u751f\u6210\u985e\u5225\u5f8c \u53ea\u53ef\u4ee5\u5728 \u985e\u5225\u7684\u5167\u90e8 \u5beb\u5165\u8b80\u53d6\u5c6c\u6027\u7684\u503c\n\/\/protected \u4fdd\u8b77 \u751f\u6210\u985e\u5225\u5f8c \u53ea\u53ef\u4ee5\u5728 \u985e\u5225\u7684\u5167\u90e8 \u6216\u662f \u7e7c\u627f\u985e\u5225\u4e2d \u5beb\u5165\u8b80\u53d6\u5c6c\u6027\u7684\u503c \u9019\u90e8\u4efd\u7559\u8457\u4e4b\u5f8c\u518d\u5beb\u7bc4\u4f8b\n\/\/final \u7576\u985e\u5225\u540d\u7a31\u524d\u52a0\u4e0a final \u5373\u8868\u793a\u9019\u500b\u985e\u5225\u4e0d\u5141\u8a31\u7e7c\u627f\uff0c\u5982\u679c\u662f\u5728\u985e\u5225\u4e2d\u7684\u67d0\u500b\u65b9\u6cd5 \u5373\u8868\u793a\u8a72\u65b9\u6cd5\u4e0d\u53ef\u91cd\u8f09 \u4f46\u53ef\u4f7f\u7528\n\/\/\u4ee5\u4e0b\u4fee\u6539\u5f8c\u7684\u7bc4\u4f8b\u6703\u628a \u591a\u9918\u7684\u8a3b\u89e3\u62ff\u6389\nclass People {\n\tprivate $height;\/\/\u8eab\u9ad8\n\tprivate $weight;\/\/\u9ad4\u91cd\n\tprivate $sex;\/\/\u59d3\u5225\n\t\/\/\u8a2d\u5b9a\u8eab\u9ad8\u70ba\n\tfunction set_height($height1) { \/\/\u672a\u8a2d\u5b9a \u4fee\u98fe\u7b26 \u9810\u8a2d\u503c\u70ba public\n\t\t$this->height = $height1;\n\t}\n\t\/\/\u8a2d\u5b9a\u9ad4\u91cd\u70ba\n\tfunction set_weight($weight1) {\n\t\t$this->weight = $weight1;\n\t}\n\t\/\/\u8a2d\u5b9a\u59d3\u5225\u70ba\n\tfunction set_sex($sex1) {\n\t\t$this->sex = $sex1;\n\t}\n\t\/\/\u53d6\u5f97\u8eab\u9ad8\u503c\n\tfunction get_height() {\n    \treturn $this->height;\n \t}\n\t\/\/\u53d6\u5f97\u8eab\u9ad8\u503c\n\tfunction get_weight() {\n    \treturn $this->weight;\n \t}\n\t\/\/\u53d6\u5f97\u59d3\u5225\n\tfunction get_sex() {\n    \treturn $this->sex;\n \t}\n}\n$jeff = new People();\n$jeff->set_height(170);\n$jeff->set_weight(65);\n$jeff->set_sex('male');\necho 'jeff \u7684\u8eab\u9ad8\u662f\uff1a';\necho $jeff->get_height();\necho '&lt;br>jeff \u7684\u9ad4\u91cd\u662f\uff1a';\necho $jeff->get_weight();\necho '&lt;br>jeff \u7684\u59d3\u5225\u662f\uff1a';\necho $jeff->get_sex();\n$jeff->height=160;\/\/\u5c07\u8eab\u9ad8\u7684\u5b58\u53d6\u6b0a\u9650\u8b8a\u6210 private \u79c1\u6709\u5f8c\u5c31\u6c92\u8fa6\u6cd5 \u76f4\u63a5\u5beb\u5165 \u8b80\u53d6 \u9019\u884c\u4ee5\u5f8c\u5c31\u6703\u51fa\u73fe\u932f\u8aa4\u8a0a\u606f \u6240\u4ee5\u4e4b\u5f8c\u7684\u90fd\u4e0d\u6703\u986f\u793a\necho '&lt;br>jeff \u7684\u8eab\u9ad8\u662f\uff1a';\necho $jeff->height;\n\/\/\u4e0d\u80fd\u5b58\u53d6\u600e\u9ebc\u8fa6\uff1f\u2026\u90a3\u5c31\u662f\u900f\u904e\u985e\u5225\u88e1\u9762\u7684\u65b9\u6cd5\u53bb\u5b58\u53d6\u8b8a\u6578\u503c\n\/\/\u986f\u793a\u7d50\u679c\n\/*\njeff \u7684\u8eab\u9ad8\u662f\uff1a170\njeff \u7684\u9ad4\u91cd\u662f\uff1a65\njeff \u7684\u59d3\u5225\u662f\uff1amale\n*\/\n\/\/\u90a3\u5982\u679c\u6211\u6709\u4e9b\u65b9\u6cd5\u4e0d\u60f3\u7d66\u5225\u4eba\u4fee\u6539\u600e\u9ebc\u8fa6 \u5c6c\u6027\u8ddf\u65b9\u6cd5\u4e00\u6a23\u90fd\u6709 \u4fee\u98fe\u7b26 \u7684\u6982\u5ff5\n\/\/\u6bd4\u5982\u8aaa\u6211\u4e0d\u60f3\u8b93\u5916\u9762\u7684\u4eba\u53ef\u4ee5\u96a8\u610f\u5f97\u77e5\u6211\u7684\u59d3\u5225\n\tprivate function get_sex() {\n    \treturn $this->sex;\n \t}\necho $jeff->get_sex();\/\/\u5c31\u6703\u51fa\u73fe\u8b80\u53d6\u932f\u8aa4 \u56e0\u70ba get_sex \u65b9\u6cd5\u5df2\u88ab\u8a2d\u70ba\u79c1\u6709 \u53ea\u6709\u5728\u985e\u5225\u7684\u5167\u90e8\u53ef\u4ee5\u8b80\u53d6\n<\/pre>\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7bc7\u53ea\u6703\u7c21\u55ae\u4ecb\u7d39 public \/ private \u5169\u500b\u5dee\u7570\u3002<br \/><br \/>protected \u8acb\u770b\u9019\u7bc7\uff1a<a aria-label=\"undefined (opens in a new tab)\" href=\"https:\/\/www.webteach.tw\/?p=3913\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.webteach.tw\/?p=3913<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u518d\u4e0a\u4e00\u7bc7\u6559\u5b78\u4e2d\u6211\u5011\u770b\u5230 \u985e\u5225\u751f\u6210\u5f8c\u7adf\u7136\u53ef\u4ee5\u76f4\u63a5\u8b80\u5beb\u5c6c\u6027\u503c\uff0c\u539f\u4f86\u662f oop \u4e2d\u7684\u91cd\u8981\u89d2\u8272 public ( \u516c\u958b ) private ( \u79c1\u6709 ) protected ( \u4fdd\u8b77 ) final (\u6700\u7d42) \u9084\u6c92\u4e0a\u5834\u3002<\/p>\n","protected":false},"author":1,"featured_media":2201,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,36],"tags":[259,429,448,469,472,474,531,863],"class_list":["post-3903","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oop","category-php","tag-final","tag-oop","tag-php","tag-private","tag-protected","tag-public","tag-static","tag-863","hvn-theme-has-thumbnail"],"_links":{"self":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3903","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3903"}],"version-history":[{"count":0,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/posts\/3903\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=\/wp\/v2\/media\/2201"}],"wp:attachment":[{"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.webteach.tw\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}