{"id":268,"date":"2021-01-19T14:22:10","date_gmt":"2021-01-19T06:22:10","guid":{"rendered":"https:\/\/www.52dixiaowo.com\/java\/?p=268"},"modified":"2021-01-19T19:33:31","modified_gmt":"2021-01-19T11:33:31","slug":"if-else-%e8%af%ad%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/www.52dixiaowo.com\/java\/post-268.html","title":{"rendered":"if — else \u8bed\u53e5"},"content":{"rendered":"\n

if — else \u662f\u6807\u51c6\u7684\u9009\u62e9\u63a7\u5236\u8bed\u53e5\uff0c\u6839\u636e\u6761\u4ef6\u9009\u62e9\u5176\u4e00<\/p>\n\n\n\n

\u5355if\u8bed\u53e5<\/h5>\n\n\n\n

\u8bed\u6cd5\uff1a<\/p>\n\n\n\n

if(\u8868\u8fbe\u5f0f){\n\u8bed\u53e5\u4f53;\n}<\/code><\/pre>\n\n\n\n
\u5982\u679c\u8bed\u53e5\u4f53\u4e2d\u53ea\u6709\u4e00\u53e5\uff0c\u53ef\u4ee5\u7701\u7565\u5927\u62ec\u53f7{}\uff0c\u4f46\u63a8\u8350\u52a0\u4e0a<\/p>\n\n\n\n
\u5f53\u8868\u8fbe\u5f0f\u6210\u7acb\u65f6\uff0c\u6267\u884c\u8bed\u53e5\u4f53\u4e2d\u7684\u8bed\u53e5\uff0c\u5426\u5219\u8df3\u8fc7<\/p>\n\n\n\n
if  else\u8bed\u53e5<\/h5>\n\n\n\n
\u8bed\u6cd5\uff1a<\/p>\n\n\n\n
if(\u8868\u8fbe\u5f0f){\n  \u8bed\u53e5\u4f531;\n}else{\n  \u8bed\u53e5\u4f532;\n}<\/code><\/pre>\n\n\n\n
\u5982\u679c\u8868\u8fbe\u5f0f\u6210\u7acb\uff0c\u6267\u884c\u8bed\u53e5\u4f531\uff0c\u5426\u5219\u6267\u884c\u8bed\u53e5\u4f532<\/p>\n\n\n\n
\u591a\u7ea7if  else \u8bed\u53e5<\/h5>\n\n\n\n
\u8bed\u6cd5\uff1a<\/p>\n\n\n\n
if(\u8868\u8fbe\u5f0f1){\n  \u8bed\u53e5\u4f531;\n}else if(\u8868\u8fbe\u5f0f2){\n  \u8bed\u53e5\u4f532;\n}\n...\n}else if(\u8868\u8fbe\u5f0fn){\n  \u8bed\u53e5\u4f53n;\n}else{\n  \u8bed\u53e5\u4f53n+1;\n}<\/code><\/pre>\n\n\n\n
\u5982\u679c\u8868\u8fbe\u5f0f1\u6210\u7acb\u5219\u6267\u884c\u8bed\u53e5\u4f531\uff0c\u540e\u9762\u7684\u4e0d\u4f1a\u6267\u884c\uff1b<\/p>\n\n\n\n
\u5982\u679c\u8868\u8fbe\u5f0f1\u4e0d\u6210\u7acb\uff0c\u518d\u5224\u65ad\u662f\u5426\u6ee1\u8db3\u8868\u8fbe\u5f0f2\u3002\u3002\u3002<\/p>\n\n\n\n
\u5982\u679c\u90fd\u4e0d\u6ee1\u8db3\uff0c\u6267\u884c\u6700\u540e\u7684 else \u4e2d\u7684\u8bed\u53e5\u4f53n+1\uff0c\u5f53\u7136\u8fd9\u4e2a else \u53ef\u4ee5\u4e0d\u8981<\/p>\n\n\n\n
\u5d4c\u5957\u7684 if else \u8bed\u53e5<\/h5>\n\n\n\n
if(\u8868\u8fbe\u5f0f1){\n  if(\u8868\u8fbe\u5f0f2){\n   ...\n  }else{\n   ...\n  }\n}else{\n  ...\n}<\/code><\/pre>\n\n\n\n
if else \u8bed\u53e5\u53ef\u4ee5\u5d4c\u5957\uff0c\u53ea\u662f\u7528\u7684\u5f88\u5c11\uff0c\u5b8c\u5168\u53ef\u4ee5\u4f7f\u7528\u5355 if else \u5b9e\u73b0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
if — else \u662f\u6807\u51c6\u7684\u9009\u62e9\u63a7\u5236\u8bed\u53e5\uff0c\u6839\u636e\u6761\u4ef6\u9009\u62e9\u5176\u4e00 \u5355if\u8bed\u53e5 \u8bed\u6cd5\uff1a \u5982\u679c\u8bed\u53e5\u4f53\u4e2d\u53ea\u6709\u4e00… \u7ee7\u7eed\u9605\u8bfb if — else \u8bed\u53e5<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/268"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/comments?post=268"}],"version-history":[{"count":0,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/posts\/268\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/media?parent=268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/categories?post=268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/java\/wp-json\/wp\/v2\/tags?post=268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}