{"id":204,"date":"2013-01-04T08:49:40","date_gmt":"2013-01-04T00:49:40","guid":{"rendered":"http:\/\/lg.yusemo.com\/?p=204"},"modified":"2013-01-03T17:13:22","modified_gmt":"2013-01-03T09:13:22","slug":"factory-method-pattern","status":"publish","type":"post","link":"https:\/\/lg.yusemo.com\/?p=204","title":{"rendered":"java\u4e0e\u6a21\u5f0f2:\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f"},"content":{"rendered":"<h2 style=\"text-align: center;\"><a href=\"http:\/\/lg.yusemo.com\/factory-method-pattern\">\u8bbe\u8ba1\u6a21\u5f0f2:\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f<\/a><\/h2>\n<p>\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\uff1a\u610f\u56fe\u662f\u5b9a\u4e49\u4e00\u4e2a\u521b\u5efa\u4ea7\u54c1\u5bf9\u8c61\u7684\u5de5\u5382\u63a5\u53e3\uff0c\u5c06\u5b9e\u9645\u521b\u5efa\u5de5\u4f5c\u63a8\u8fdf\u5230\u5b50\u7c7b\u4e2d\u3002<\/p>\n<p>\u6d89\u53ca\u5230\u7684\u89d2\u8272\uff1a<\/p>\n<p><span style=\"color: #f20c23;\">\u62bd\u5de5\u5382\u89d2\u8272\uff08creator\uff09:<\/span>\u5de5\u5382\u6a21\u5f0f\u7684\u6838\u5fc3\u3002\u4e0e\u5e94\u7528\u7a0b\u5e8f\u65e0\u5173\u3002\u4efb\u4f55\u5728\u6a21\u5f0f\u4e2d\u521b\u5efa\u5bf9\u8c61\u7684\u5de5\u5382\u7c7b\u5fc5\u987b\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\u3002\u8fd9\u4e2a\u89d2\u8272\u5728\u5b9e\u9645\u7cfb\u7edf\u4e2d\u4e5f\u5e38\u5e38\u7528\u62bd\u8c61\u7c7b\u5b9e\u73b0\u3002<\/p>\n<p><span style=\"color: #f20c23;\">\u5177\u4f53\u5de5\u5382\uff08concrete creator\uff09<\/span>:\u5b9e\u73b0\u62bd\u8c61\u5de5\u5382\u63a5\u53e3\u7684java\u7c7b\u3002\u542b\u6709\u4e0e\u5e94\u7528\u7d27\u5bc6\u76f8\u5173\u7684\u5546\u4e1a\u903b\u8f91\u3002\u5de5\u5382\u7c7b\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u76f4\u63a5\u8c03\u7528\u4e0b\u521b\u5efa\u4ea7\u54c1\u5bf9\u8c61\uff0c\u5f80\u5f80\u7531\u4e00\u4e2a\u5177\u4f53java\u7c7b\u5b9e\u73b0<\/p>\n<p><span style=\"color: #f20c23;\">\u62bd\u8c61\u4ea7\u54c1\uff08product\uff09<\/span>:\u662f\u7531\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u6240\u521b\u5efa\u7684\u4ea7\u54c1\u5bf9\u8c61\u7684\u7236\u7c7b\u6216\u4ed6\u4eec\u5171\u540c\u62e5\u6709\u7684\u63a5\u53e3\u3002\u62bd\u8c61\u4ea7\u54c1\u89d2\u8272\u53ef\u4ee5\u7528\u4e00\u4e2ajava\u63a5\u53e3\u6216java\u62bd\u8c61\u7c7b\u5b9e\u73b0\u3002<\/p>\n<p><span style=\"color: #f20c23;\">\u5177\u4f53\u4ea7\u54c1\u89d2\u8272\uff08concrete product\uff09<\/span>:\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u6240\u521b\u5efa\u7684\u4efb\u4f55\u5bf9\u8c61\u90fd\u662f\u8fd9\u4e2a\u89d2\u8272\u7684\u5b9e\u4f8b\u3002\u5177\u4f53\u4ea7\u54c1\u89d2\u8272\u7531\u4e00\u4e2a\u5177\u4f53\u7684java\u7c7b\u5b9e\u73b0\u3002<\/p>\n<p>\u5e38\u89c1\u7684\u7ed3\u6784\u56fe\u5982\u4e0b\uff1a<\/p>\n<figure id=\"attachment_205\" aria-describedby=\"caption-attachment-205\" style=\"width: 612px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/lg.yusemo.com\/wp-content\/uploads\/2013\/01\/\u5de5\u5382\u65b9\u6cd5\u7c7b\u56fe.png\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-205 \" title=\"\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u4e00\u4e2a\u5b9e\u4f8b\u7c7b\u56fe\" src=\"http:\/\/lg.yusemo.com\/wp-content\/uploads\/2013\/01\/\u5de5\u5382\u65b9\u6cd5\u7c7b\u56fe.png\" alt=\"\" width=\"612\" height=\"188\" \/><\/a><figcaption id=\"caption-attachment-205\" class=\"wp-caption-text\">\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u4e00\u4e2a\u5b9e\u4f8b\u7c7b\u56fe<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>\u611f\u89c9\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u662f\u5c06\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u4e2d\u7684\u5de5\u5382\u7c7b\u4e2d\u7684\u65b9\u6cd5\u7ed9\u5206\u522b\u5199\u5230\u5355\u72ec\u7684\u7c7b\u4e2d\u4e86\uff08\u5373\u6f14\u53d8\u4e3a\u5177\u4f53\u7684\u5b9e\u73b0\u7c7b\u3002\u8fd9\u6837\u5199\u662f\u6bd4\u8f83\u597d\u7684\uff0c\u56e0\u4e3a\u8fd9\u6837\u505a\u5728\u7cfb\u7edf\u589e\u52a0\u65b0\u7684\u4ea7\u54c1\u7684\u65f6\u5019\u662f\u4e0d\u7528\u6539\u53d8\u5de5\u5382\u7c7b\u7684\uff0c\u8fd9\u6837\u5c31\u4e0d\u4f1a\u5bf9\u539f\u6709\u7cfb\u7edf\u6709\u5f71\u54cd\u4e86\uff09\u3002<\/p>\n<p>\u4e24\u8005\u7684\u533a\u522b\uff1a\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u6838\u5fc3\u662f\u5728\u62bd\u8c61\u5de5\u5382\u7c7b\uff0c\u800c\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u7684\u6838\u5fc3\u662f\u5177\u4f53\u7684\u7c7b\u4e0a\u3002\u5728\u53ea\u6709\u4e00\u4e2a\u5177\u4f53\u4ea7\u54c1\u7684\u60c5\u51b5\u4e0b\uff0c\u628a\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u62bd\u8c61\u7c7b\u5408\u5e76\u5230\u5177\u4f53\u5b9e\u73b0\u7c7b\u4e2d\u4e5f\u5c31\u53d8\u6210\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u4e86\u3002\u5de5\u5382\u65b9\u6cd5\u4e2d\u53ef\u4ee5\u6709\u5f88\u591a\u7684\u5177\u4f53\u5de5\u5382\u7684\u5b9e\u73b0\uff0c\u662f\u8fdb\u4e00\u6b65\u5bf9\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u7684\u62d3\u5c55\u3002<\/p>\n<p>Jdk\u6e90\u7801\u4e2d\u5de5\u957f\u65b9\u6cd5\u6a21\u5f0f\u7684\u5e94\u7528\u8fd8\u662f\u6bd4\u8f83\u591a\u7684\uff0c\u6700\u5e38\u89c1\u7684\u5982Iterator\u63a5\u53e3\uff0c\u5982\u56fe\uff1a<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_206\" aria-describedby=\"caption-attachment-206\" style=\"width: 691px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/lg.yusemo.com\/wp-content\/uploads\/2013\/01\/collection.png\"><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-206 \" title=\"collection\u63a5\u53e3\u4f7f\u7528\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u7c7b\u56fe\" src=\"http:\/\/lg.yusemo.com\/wp-content\/uploads\/2013\/01\/collection.png\" alt=\"collection\u63a5\u53e3\u4f7f\u7528\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u7c7b\u56fe\" width=\"691\" height=\"394\" \/><\/a><figcaption id=\"caption-attachment-206\" class=\"wp-caption-text\">collection\u63a5\u53e3\u4f7f\u7528\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u7684\u7c7b\u56fe<\/figcaption><\/figure>\n<p>\u8fd8\u6709Url,UrlConnection\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u8bbe\u8ba1\u6a21\u5f0f\u5b66\u4e60\u5217\u8868\uff1a<a title=\"Java\u8bbe\u8ba1\u6a21\u5f0f\u5b66\u4e60\u7b14\u8bb0\" href=\"http:\/\/lg.yusemo.com\/java-design-patterns-study-notes\">Java\u8bbe\u8ba1\u6a21\u5f0f\u5b66\u4e60\u7b14\u8bb0<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bbe\u8ba1\u6a21\u5f0f2:\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f \u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\uff1a\u610f\u56fe\u662f\u5b9a\u4e49\u4e00\u4e2a\u521b\u5efa\u4ea7\u54c1\u5bf9\u8c61\u7684\u5de5\u5382\u63a5\u53e3\uff0c\u5c06\u5b9e\u9645\u521b\u5efa\u5de5\u4f5c\u63a8\u8fdf\u5230\u5b50\u7c7b\u4e2d\u3002 \u6d89\u53ca\u5230\u7684\u89d2\u8272\uff1a \u62bd\u5de5\u5382\u89d2\u8272\uff08creator\uff09:\u5de5\u5382\u6a21\u5f0f\u7684\u6838\u5fc3\u3002\u4e0e\u5e94\u7528\u7a0b\u5e8f\u65e0\u5173\u3002\u4efb\u4f55\u5728\u6a21\u5f0f\u4e2d\u521b\u5efa\u5bf9\u8c61\u7684\u5de5\u5382\u7c7b\u5fc5\u987b\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\u3002\u8fd9\u4e2a\u89d2\u8272\u5728\u5b9e\u9645\u7cfb\u7edf\u4e2d\u4e5f\u5e38\u5e38\u7528\u62bd\u8c61\u7c7b\u5b9e\u73b0\u3002 \u5177\u4f53\u5de5\u5382\uff08concrete&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/posts\/204"}],"collection":[{"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=204"}],"version-history":[{"count":9,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/posts\/204\/revisions"}],"predecessor-version":[{"id":212,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=\/wp\/v2\/posts\/204\/revisions\/212"}],"wp:attachment":[{"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lg.yusemo.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}