{"id":3686,"date":"2015-03-31T10:32:59","date_gmt":"2015-03-31T02:32:59","guid":{"rendered":"https:\/\/sdeno.com\/?p=3686"},"modified":"2015-11-05T20:54:52","modified_gmt":"2015-11-05T12:54:52","slug":"js%e9%9d%a2%e5%90%91%e5%af%b9%e8%b1%a1%e7%9a%84%e7%a7%81%e7%94%a8%e5%b1%9e%e6%80%a7%e6%96%b9%e6%b3%95%e5%92%8c%e5%af%b9%e5%a4%96%e6%8e%a5%e5%8f%a3","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=3686","title":{"rendered":"js\u9762\u5411\u5bf9\u8c61\u7684\u79c1\u7528\u5c5e\u6027\u65b9\u6cd5\u548c\u5bf9\u5916\u63a5\u53e3"},"content":{"rendered":"<p>JavaScript\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u79c1\u6709\u6210\u5458\u3001\u9759\u6001\u6210\u5458\u7684\u5b9e\u73b0\u8981\u6bd4Java\u3001ActionScript\u3001Python\u8981\u590d\u6742\u7684\u591a\uff0c\u73b0\u5728\u6458\u6284\u4e00\u4e9b\u300aJavaScript\u8bbe\u8ba1\u6a21\u5f0f\u300b\u4e2d\u7684\u4ee3\u7801\u6765\u505a\u6f14\u793a\u3002<\/p>\n<p><strong>\u79c1\u6709\u5c5e\u6027\u548c\u65b9\u6cd5<\/strong><\/p>\n<p>var Book = function(newName){<br \/>\n\/\/ \u79c1\u6709\u5c5e\u6027<br \/>\nvar name;<\/p>\n<p>\/\/ \u79c1\u6709\u65b9\u6cd5<br \/>\nfunction checkName(name){<br \/>\n\/\/ &#8230;<br \/>\n}<\/p>\n<p>\/\/ \u7279\u6743\u65b9\u6cd5<br \/>\nthis.getName = function(){<br \/>\nreturn name;<br \/>\n};<\/p>\n<p>\/\/ \u7279\u6743\u65b9\u6cd5<br \/>\nthis.setName = function(newName){<br \/>\nname = newName || &#8216;No Name&#8217;;<br \/>\n};<\/p>\n<p>\/\/ \u6784\u9020\u4ee3\u7801<br \/>\nthis.setName(newName);<\/p>\n<p>};<\/p>\n<p>var book01 = new Book(&#8216;name01&#8217;);<br \/>\nconsole.log(book01.getName()); \/\/ \u8f93\u51fa &#8216;name01&#8217;<br \/>\nbook01.setName(&#8216;newName01&#8217;);<br \/>\nconsole.log(book01.getName()); \/\/ \u8f93\u51fa &#8216;newName01&#8217;<\/p>\n<p>\u5728\u672c\u4f8b\u4e2d\u7528var\u58f0\u660e\u79c1\u6709\u53d8\u91cf\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u53ea\u5b58\u5728\u4e8eBook\u6784\u9020\u5668\uff0ccheckName\u51fd\u6570\u4e5f\u662f\u7528\u540c\u6837\u7684\u65b9\u6cd5\u58f0\u660e\u7684\uff0c\u56e0\u6b64\u6210\u4e86\u4e00\u4e2a\u79c1\u6709\u5c5e\u6027\u3002<\/p>\n<p>\u8981\u60f3\u8bbf\u95ee\u8fd9\u4e9b\u79c1\u6709\u5c5e\u6027\u548c\u65b9\u6cd5\u7684\u51fd\u6570\u53ea\u9700\u58f0\u660e\u5728Book\u4e2d\u5373\u53ef\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u79f0\u4e3a\u7279\u6743\u65b9\u6cd5(privileged method)\uff0c\u5b83\u4eec\u662f\u516c\u6709\u65b9\u6cd5\uff0c\u4e3a\u4e86\u80fd\u591f\u5728\u5bf9\u8c61\u5916\u90e8\u8bbf\u95ee\u8fd9\u4e9b\u7279\u6743\u51fd\u6570\uff0c\u5b83\u4eec\u7684\u524d\u9762\u90fd\u8981\u52a0\u4e0a\u5173\u952e\u5b57this\u3002\u5176\u5b83\u4efb\u4f55\u4e0d\u9700\u8981\u76f4\u63a5\u8bbf\u95ee\u79c1\u6709\u5c5e\u6027\u7684\u65b9\u6cd5\u90fd\u53ef\u4ee5\u653e\u5728\u50cfBook.prototype\u4e2d\u58f0\u660e\u3002<\/p>\n<p><strong>\u9759\u6001\u5c5e\u6027\u548c\u65b9\u6cd5<\/strong><\/p>\n<p>var Book = (function(){<br \/>\n\/\/ \u79c1\u6709\u9759\u6001\u5c5e\u6027<br \/>\nvar numOfBook = 0;<\/p>\n<p>\/\/ \u6784\u9020\u51fd\u6570<br \/>\nvar cotr = function(argument){<br \/>\n\/\/ \u79c1\u6709\u5c5e\u6027<br \/>\nvar name;<\/p>\n<p>\/\/ \u79c1\u6709\u65b9\u6cd5<br \/>\nfunction checkName(name){<br \/>\n\/\/ &#8230;<br \/>\n}<\/p>\n<p>\/\/ \u7279\u6743\u65b9\u6cd5<br \/>\nthis.getName = function(){<br \/>\nreturn name;<br \/>\n};<\/p>\n<p>numOfBook++;<br \/>\n};<\/p>\n<p>\/\/ \u7279\u6743\u9759\u6001\u65b9\u6cd5<br \/>\ncotr.getNumOfBook = function(){<br \/>\nreturn numOfBook;<br \/>\n};<\/p>\n<p>\/\/ \u8fd4\u56de\u6784\u9020\u51fd\u6570<br \/>\nreturn cotr;<\/p>\n<p>})();<\/p>\n<p>\/\/ \u516c\u6709\u9759\u6001\u65b9\u6cd5<br \/>\nBook.display = function(){<br \/>\n\/\/ &#8230;<br \/>\n};<\/p>\n<p>var book01 = new Book();<br \/>\nvar book02 = new Book();<br \/>\nconsole.log(Book.getNumOfBook()); \/\/ \u8f93\u51fa 2<\/p>\n<p>\u5728\u8fd9\u91cc\u79c1\u6709\u6210\u5458\u548c\u7279\u6743\u6210\u5458\u4ecd\u7136\u88ab\u58f0\u660e\u5728\u6784\u9020\u51fd\u6570\u4e2d\uff0c\u4f46\u539f\u6765\u7684\u90a3\u4e2a\u6784\u9020\u51fd\u6570\u5374\u4ece\u4e00\u4e2a\u666e\u901a\u7684\u51fd\u6570\u53d8\u6210\u4e86\u4e00\u4e2a\u5185\u5d4c\u51fd\u6570\uff0c\u5e76\u4e14\u88ab\u4f5c\u4e3a\u5305\u542b\u5b83\u7684\u51fd\u6570\u7684\u8fd4\u56de\u503c\u8d4b\u7ed9\u53d8\u91cfBook\u3002\u8fd9\u5c31\u521b\u5efa\u4e86\u4e00\u4e2a\u95ed\u5305\uff0c\u53ef\u4ee5\u628a\u9759\u6001\u7684\u79c1\u6709\u6210\u5458\u58f0\u660e\u5728\u91cc\u9762\u3002\u4f4d\u4e8e\u5916\u5c42\u51fd\u6570\u58f0\u660e\u4e4b\u540e\u7684\u4e00\u5bf9\u7a7a\u62ec\u53f7\u5f88\u91cd\u8981\uff0c\u5176\u4f5c\u7528\u662f\u4ee3\u7801\u4e00\u8f7d\u5165\u5c31\u7acb\u5373\u6267\u884c\u8fd9\u4e2a\u51fd\u6570\u3002\u8fd9\u4e2a\u51fd\u6570\u7684\u8fd4\u56de\u503c\u662f\u53e6\u4e00\u4e2a\u51fd\u6570\uff0c\u5b83\u88ab\u8d4b\u7ed9Book\u53d8\u91cf\uff0cBook\u56e0\u6b64\u6210\u4e86\u4e00\u4e2a\u6784\u9020\u51fd\u6570\u3002\u5728\u5b9e\u4f8b\u5316Book\u65f6\uff0c\u6240\u8c03\u7528\u7684\u662f\u8fd9\u4e2a\u5185\u5c42\u51fd\u6570\uff0c\u5916\u5c42\u90a3\u4e2a\u51fd\u6570\u53ea\u662f\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u53ef\u4ee5\u7528\u6765\u5b58\u653e\u9759\u6001\u79c1\u6709\u6210\u5458\u7684\u95ed\u5305\u3002<\/p>\n<a href=\"https:\/\/sdeno.com\/wp-content\/uploads\/2015\/03\/shejimoshi.jpg\"><figure class=\"mdx-lazyload-container\" style=\"max-width:439px\"><div style=\"padding-top:79.726651480638%\"><\/div><div class=\"mdx-img-loading-sp mdui-valign\"><div><div class=\"mdui-spinner\"><\/div><\/div><\/div><img width=\"439\" height=\"350\" class=\"alignnone size-full wp-image-4333 lazyload\" title=\"shejimoshi\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/sdeno.com\/wp-content\/uploads\/2015\/03\/shejimoshi.jpg\" alt=\"shejimoshi\" data-srcset=\"https:\/\/sdeno.com\/wp-content\/uploads\/2015\/03\/shejimoshi.jpg 439w, https:\/\/sdeno.com\/wp-content\/uploads\/2015\/03\/shejimoshi-300x239.jpg 300w\" sizes=\"auto, (max-width: 439px) 100vw, 439px\"><\/figure><\/a>\n<p><a href=\"http:\/\/julabs.com\/blog\/private-static-in-javascript-oop\/\" target=\"_blank\">http:\/\/julabs.com\/blog\/private-static-in-javascript-oop\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\u79c1\u6709\u6210\u5458\u3001\u9759\u6001\u6210\u5458\u7684\u5b9e\u73b0\u8981\u6bd4Java\u3001ActionScript\u3001Python [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,11],"tags":[],"class_list":["post-3686","post","type-post","status-publish","format-standard","hentry","category-javascript","category-11"],"_links":{"self":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/3686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3686"}],"version-history":[{"count":0,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/3686\/revisions"}],"wp:attachment":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}