{"id":1212,"date":"2014-11-16T05:59:49","date_gmt":"2014-11-16T05:59:49","guid":{"rendered":"http:\/\/www.zhuangbiaowei.com\/blog\/?p=1212"},"modified":"2014-11-16T05:59:49","modified_gmt":"2014-11-16T05:59:49","slug":"%e7%9f%a5%e4%b9%8e%e8%80%81%e6%98%af%e5%90%ac%e8%af%b4hard-coded%e4%bd%86%e6%98%af%e4%b8%80%e7%9b%b4%e6%b2%a1%e5%bc%84%e6%98%8e%e7%99%bd%ef%bc%8c%e8%83%bd%e7%bb%99%e8%a7%a3%e9%87%8a%e4%b8%8b","status":"publish","type":"post","link":"https:\/\/blog.zhuangbiaowei.com\/?p=1212","title":{"rendered":"[\u77e5\u4e4e]\u8001\u662f\u542c\u8bf4hard coded\u4f46\u662f\u4e00\u76f4\u6ca1\u5f04\u660e\u767d\uff0c\u80fd\u7ed9\u89e3\u91ca\u4e0b\u4e48\uff1f"},"content":{"rendered":"
\n
var<\/span> a<\/span>=<\/span>1<\/span>;<\/span>\nvar<\/span> b<\/span>=<\/span>2<\/span>;<\/span>\nconsole<\/span>.<\/span>log<\/span>(<\/span>a<\/span>+<\/span>b<\/span>);<\/span>\n<\/code><\/pre>\n<\/div>\n
\u5f53\u7136\uff0c\u8fd9\u6837\u4f60\u5c31\u80fd\u591f\u5f97\u5230\u4e00\u4e2a\u8f93\u51fa\uff1a3<\/p>\n
\n
console<\/span>.<\/span>log<\/span>(<\/span>1<\/span>+<\/span>2<\/span>);<\/span>\n<\/code><\/pre>\n<\/div>\n
\u8fd9\u6837\uff0c\u5176\u5b9e\u4e5f\u80fd\u5f97\u5230\u4e00\u4e2a\u8f93\u51fa\uff1a3<\/p>\n
\u8fd9\u4e24\u6bb5\u4ee3\u7801\uff0c\u5176\u5b9e\u90fd\u80fd\u591f\u5f97\u5230\u540c\u6837\u7684\u8f93\u51fa\u7ed3\u679c\uff0c\u4e3a\u4ec0\u4e48\u8981\u591a\u4e24\u4e2a\u4ee3\u7801\uff0c\u5b9a\u4e49\u4e24\u4e2a\u53d8\u91cf\u5462\uff1f<\/p>\n
\u7b2c\u4e00\u4e2a\u539f\u56e0\uff1a\u5982\u679c\u4f60\u6253\u7b97\u8ba1\u7b973+4\uff0c\u524d\u4e00\u79cd\u4ee3\u7801\uff0c\u4f60\u53ef\u4ee5\u4ec5\u4ec5\u4fee\u6539\u53d8\u91cf\u7684\u5b9a\u4e49\uff1b\u7b2c\u4e8c\u79cd\u4ee3\u7801\uff0c\u5c31\u8981\u4fee\u6539console.log\u91cc\u7684\u6570\u5b57\u3002<\/p>\n
\u518d\u8005\uff0c\u5982\u679c\u6211\u4eec\u60f3\u505a\u4e00\u4e2a\u52a0\u6cd5\u7684\u51fd\u6570\uff0c\u5c31\u5fc5\u987b\u8981\u7528\u5230\u53d8\u91cf\uff1a<\/p>\n
\n
function<\/span> add<\/span>(<\/span>a<\/span>,<\/span>b<\/span>){<\/span>\n  console<\/span>.<\/span>log<\/span>(<\/span>a<\/span>+<\/span>b<\/span>);<\/span>\n}<\/span>\nadd<\/span>(<\/span>1<\/span>,<\/span>2<\/span>);<\/span>\n<\/code><\/pre>\n<\/div>\n
\u8fd9\u5c31\u663e\u793a\u51fa\u4e86\u7b2c\u4e8c\u4e2a\u539f\u56e0\uff1a\u6709\u4e9b\u529f\u80fd\uff0c\u4e0d\u7528\u53d8\u91cf\uff0c\u6839\u672c\u65e0\u6cd5\u5b9e\u73b0\u3002<\/p>\n
\u5982\u679c\u6211\u4eec\u60f3\u8981\u8fde\u63a5\u6570\u636e\u5e93\uff0c\u901a\u5e38\u4f1a\u5199\uff1a<\/p>\n
\n
var<\/span> config<\/span> =<\/span> load_config<\/span>();<\/span>\nvar<\/span> db<\/span> =<\/span> DB<\/span>.<\/span>connect<\/span>(<\/span>config<\/span>);<\/span>\n<\/code><\/pre>\n<\/div>\n
\u8fd9\u5c31\u663e\u793a\u51fa\u4e86\u7b2c\u4e09\u4e2a\u539f\u56e0\uff0c\u5404\u79cd\u914d\u7f6e\u7c7b\u7684\u6570\u636e\uff0c\u6839\u672c\u5c31\u4e0d\u662f\u4ee3\u7801\uff0c\u4e5f\u4e0d\u8be5\u5199\u5728\u4ee3\u7801\u91cc\u3002<\/p>\n
\u5982\u679c\u6211\u4eec\u7684\u7a0b\u5e8f\uff0c\u6709\u5f88\u591a\u7684\u903b\u8f91\u5224\u65ad\uff0c\u53ef\u4ee5\u5199\u6210\u8fd9\u6837\uff1a<\/p>\n
\n
const<\/span> CONDITION1<\/span> =<\/span> 1<\/span>;<\/span>\nconst<\/span> CONDITION2<\/span> =<\/span> 2<\/span>;<\/span>\n\nif<\/span>(<\/span>input_data<\/span>==<\/span>CONDITION1<\/span>){<\/span>\n  do_something1<\/span>();<\/span>\n}<\/span> else<\/span> if<\/span>(<\/span>input_data<\/span>==<\/span>CONDITION2<\/span>){<\/span>\n  do_something2<\/span>();<\/span>\n}<\/span> else<\/span> {<\/span>\n  do_something3<\/span>();<\/span>\n}<\/span>\n<\/code><\/pre>\n<\/div>\n
\u5982\u679c\u6211\u4eec\u5c06\u5404\u79cd\u6761\u4ef6\u7684\u5177\u4f53\u503c\u90fd\u5199\u5728if\u5224\u65ad\u4e4b\u4e2d\uff0c\u90a3\u5c31\u592a\u6b7b\u677f\u4e86\uff0c\u9605\u8bfb\u8d77\u6765\u4e5f\u4f1a\u96be\u4ee5\u7406\u89e31,2,3\u5206\u522b\u4ee3\u8868\u4ec0\u4e48\u542b\u4e49\u3002\u8fd9\u5c31\u663e\u793a\u4e86\u7b2c\u56db\u4e2a\u539f\u56e0\uff0c\u5728\u663e\u8457\u4f4d\u7f6e\uff0c\u96c6\u4e2d\u89e3\u91ca\uff08\u6216\u5c55\u793a\uff09\u4ee3\u7801\u903b\u8f91\uff0c\u800c\u4e0d\u662f\u5728\u4ee3\u7801\u4e2d\u6df7\u4e71\u7684\u5206\u5e03\u3002<\/p>\n
\u57fa\u672c\u4e0a\uff0c\u4ee5\u4e0a\u7684\u51e0\u4e2a\u539f\u56e0\uff0c\u544a\u8bc9\u6211\u4eec\uff0c\u4e0d\u5e94\u8be5\u5199hard code\u3002<\/p>\n
<\/div>\n","protected":false},"excerpt":{"rendered":"
var a=1; var b=2; console.log(a+b); \u5f53\u7136\uff0c\u8fd9\u6837\u4f60\u5c31\u80fd\u591f\u5f97\u5230\u4e00\u4e2a\u8f93\u51fa\uff1a3 c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44,49],"tags":[],"class_list":["post-1212","post","type-post","status-publish","format-standard","hentry","category-44","category-49"],"_links":{"self":[{"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/posts\/1212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1212"}],"version-history":[{"count":0,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/posts\/1212\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}