{"id":29644,"date":"2024-11-25T08:41:35","date_gmt":"2024-11-25T00:41:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/29644\/"},"modified":"2024-11-25T08:41:35","modified_gmt":"2024-11-25T00:41:35","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b8%admodule-exports%e5%92%8cexports%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/29644\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2dmodule.exports\u548cexports\u7684\u533a\u522b"},"content":{"rendered":"<p>\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d.exports\u4e0eexports\u7684\u7528\u6cd5\u53ef\u4ee5\u67e5\u770b\u4e0b\u9762\u5b98\u65b9\u63d0\u4f9b\u7684\u6587\u6863\uff0c\u4f7f\u7528\u8d77\u6765\u8fd8\u662f\u6bd4\u8f83\u7b80\u5355\u65b9\u4fbf\u7684\uff0c\u4f46\u65f6\u5bf9\u4e8e\u8fd9\u4e24\u8005\u7684\u533a\u522b\u89e3\u91ca\u7684\u4e0d\u662f\u5f88\u660e\u767d\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/164\/dc0c0d06d7b6ddb90cfd98a25cc19547-0.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2dmodule.exports\u548cexports\u7684\u533a\u522b\u63d2\u56fe\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2dmodule.exports\u548cexports\u7684\u533a\u522b\u63d2\u56fe\" \/><\/p>\n<p>\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b98\u65b9\u6587\u6863&#8212;-\u903b\u8f91\u5c42&#8211;.png<\/p>\n<p>\u4e3a\u4e86\u66f4\u597d\u7684\u7406\u89e3 exports \u548cmodule.exports \u7684\u5173\u7cfb\uff0c\u6211\u4eec\u5148\u6765\u8865\u70b9 js \u57fa\u7840\u3002\u793a\u4f8b\uff1a<\/p>\n<pre>\/\/ index.js\r\nPage({\r\n    onLoad: function(){\r\n        var a = {name: '\u5f20\u4e09'};\r\n        var b = a;\r\n        console.log(a);\r\n        console.log(b);\r\n\r\n        b.name = '\u674e\u56db';\r\n        console.log(a);\r\n        console.log(b);\r\n\r\n        var b = {name: '\u738b\u4e94'};\r\n        console.log(a);\r\n        console.log(b);\r\n    }\r\n})<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd0\u884c app.js \u7ed3\u679c\u4e3a\uff1a<\/p>\n<pre>{ name: '\u5f20\u4e09' }\r\n{ name: '\u5f20\u4e09' }\r\n{ name: '\u674e\u56db' }\r\n{ name: '\u674e\u56db' }\r\n{ name: '\u674e\u56db' }\r\n{ name: '\u738b\u4e94' }<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u89e3\u91ca\u4e00\u4e0b\uff1a<br \/>a \u662f\u4e00\u4e2a\uff0cb \u662f\u5bf9 a \u7684\uff0c\u5373 a \u548c b \u6307\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5373 a \u548c b \u6307\u5411\u540c\u4e00\u5757\u5185\u5b58\u5730\u5740\uff0c\u6240\u4ee5\u524d\u4e24\u4e2a\u8f93\u51fa\u4e00\u6837\u3002<br \/>\u5f53\u5bf9 b \u4f5c\u4fee\u6539\u65f6\uff0c\u5373 a \u548c b \u6307\u5411\u540c\u4e00\u5757\u5185\u5b58\u5730\u5740\u7684\u5185\u5bb9\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u6240\u4ee5 a \u4e5f\u4f1a\u4f53\u73b0\u51fa\u6765\uff0c\u6240\u4ee5\u7b2c\u4e09\u56db\u4e2a\u8f93\u51fa\u4e00\u6837\u3002<br \/>\u5f53\u5bf9 b \u5b8c\u5168\u8986\u76d6\u65f6\uff0cb \u5c31\u6307\u5411\u4e86\u4e00\u5757\u65b0\u7684\u5185\u5b58\u5730\u5740\uff08\u5e76\u6ca1\u6709\u5bf9\u539f\u5148\u7684\u5185\u5b58\u5757\u4f5c\u4fee\u6539\uff09\uff0ca \u8fd8\u662f\u6307\u5411\u539f\u6765\u7684\u5185\u5b58\u5757\uff0c\u5373 a \u548c b \u4e0d\u518d\u6307\u5411\u540c\u4e00\u5757\u5185\u5b58\uff0c\u4e5f\u5c31\u662f\u8bf4\u6b64\u65f6 a \u548c b \u5df2\u6beb\u65e0\u5173\u7cfb\uff0c\u6240\u4ee5\u6700\u540e\u4e24\u4e2a\u8f93\u51fa\u4e0d\u4e00\u6837\u3002<\/p>\n<p>\u660e\u767d\u4e86\u4e0a\u8ff0\u4f8b\u5b50\u540e\uff0c\u6211\u4eec\u8fdb\u5165\u6b63\u9898\u3002\u6211\u4eec\u53ea\u9700\u77e5\u9053\u4e09\u70b9\u5373\u53ef\u77e5\u9053exports \u548cmodule.exports \u7684\u533a\u522b\u4e86\uff1a<\/p>\n<ul>\n<li>\n<p>exports \u662f\u6307\u5411\u7684module.exports \u7684\u5f15\u7528\uff1b<\/p>\n<\/li>\n<li>\n<p>module.exports \u521d\u59cb\u503c\u4e3a\u4e00\u4e2a\u7a7a\u5bf9\u8c61{}\uff0c\u6240\u4ee5exports \u521d\u59cb\u503c\u4e5f\u662f{}\uff1b<\/p>\n<\/li>\n<li>\n<p>() \u8fd4\u56de\u7684\u662fmodule.exports \u800c\u4e0d\u662fexports\u3002<br \/>\u6240\u4ee5\uff1a\u6211\u4eec\u901a\u8fc7<\/p>\n<pre>var name = '\u5f20\u4e09';\r\nexports.name = name;\r\nexports.sayName = function() {\r\n  console.log(name);\r\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>&nbsp;\u7ed9 exports \u8d4b\u503c\u5176\u5b9e\u662f\u7ed9module.exports \u8fd9\u4e2a\u7a7a\u5bf9\u8c61\u6dfb\u52a0\u4e86\u4e24\u4e2a\u800c\u5df2\uff0c\u4e0a\u9762\u7684\u4ee3\u7801\u76f8\u5f53\u4e8e\uff1a<\/p>\n<pre>var name = '\u5f20\u4e09';\r\nmodule.exports.name = name;\r\nmodule.exports.sayName = function() {\r\n   console.log(name);\r\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<p>\u4e0b\u9762\u5c31\u5728\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2dmodule.exports\u548cexports\u7684\u533a\u522b\u505a\u51fa\u793a\u4f8b<\/p>\n<pre>\/\/ common.js \r\nfunction sayHello(name) {\r\n    console.log(`Hello ${name} !`);\r\n}\r\nfunction sayGoodbye(name) {\r\n    console.log(`Goodbye ${name} !`);\r\n}\r\n\/\/ \u7b2c\u4e00\u79cd\u60c5\u51b5\uff0cmodule.exports\u521d\u59cb\u503c\u4e3a\u7a7a\u5bf9\u8c61\uff0c\u4e24\u4e2a\u51fd\u6570\u4f7f\u7528module.exports\u6216exports\u90fd\u4e00\u6837\u6548\u679c\r\nmodule.exports.sayHello = sayHello;\r\nmodule.exports.sayGoodbye = sayGoodbye; \r\nexports.sayHello = sayHello;\r\nexports.sayGoodbye = sayGoodbye; \r\n\r\n\/\/ \u7b2c\u4e8c\u79cd\u60c5\u51b5\uff0cmodule.exports\u521d\u59cb\u503c\u4e0d\u4e3a\u7a7a\u5bf9\u8c61\uff0c\u53ea\u80fd\u4f7f\u7528module.exports\u66b4\u9732\u63a5\u53e3\uff0c\u800c\u4e0d\u80fd\u4f7f\u7528exports\u66b4\u9732\uff0c\u4f1a\u51fa\u73b0is not a function\u9519\u8bef\u3002\r\nmodule.exports = {name:1};\/\/ module.exports\u7ed9\u4e00\u4e2a\u521d\u59cb\u503c\r\n\r\n\/\/\u4ee5\u4e0b\u4e24\u4e2a\u6b63\u5e38\u4f7f\u7528\r\nmodule.exports.sayHello = sayHello;  \r\nmodule.exports.sayGoodbye = sayGoodbye;\r\n\r\n\/\/\u4f7f\u7528\u4ee5\u4e0b\u4e24\u4e2a\u4f1a\u62a5\u9519\u8befsayHello is not a function\r\nexports.sayHello = sayHello;  \r\nexports.sayGoodbye = sayGoodbye;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u5f53module.exports \u6307\u5411\u65b0\u7684\u5bf9\u8c61\u65f6\uff0cexports \u65ad\u5f00\u4e86\u4e0e module.exports \u7684\u5f15\u7528\uff0cmodule.exports \u6307\u5411\u4e86\u65b0\u7684\u5185\u5b58\u5757\uff0c\u800c exports \u8fd8\u662f\u6307\u5411\u539f\u6765\u7684\u5185\u5b58\u5757\u3002<br \/>\u56e0\u6b64\uff0c\u5728\u4e0d\u662f\u5f88\u6e05\u695a\u4e24\u8005\u5173\u7cfb\u7684\u65f6\u5019\uff0c\u8bf7\u91c7\u7528module.exports\u6765\u66b4\u9732\u63a5\u53e3\uff0c\u800c\u5c3d\u91cf\u4e0d\u91c7\u7528exports\u66b4\u9732\u63a5\u53e3\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2dmodule.exports\u548cexports\u7684\u533a\u522b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d.exports\u4e0eexports\u7684\u7528\u6cd5\u53ef\u4ee5\u67e5\u770b\u4e0b\u9762\u5b98\u65b9\u63d0\u4f9b\u7684\u6587\u6863\uff0c\u4f7f\u7528\u8d77\u6765\u8fd8\u662f\u6bd4\u8f83\u7b80\u5355\u65b9\u4fbf\u7684\uff0c\u4f46\u65f6\u5bf9\u4e8e\u8fd9\u4e24\u8005\u7684\u533a\u522b\u89e3\u91ca\u7684\u4e0d\u662f\u5f88\u660e\u767d\u3002 \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b98\u65b9\u6587\u6863&#8212;-\u903b\u8f91\u5c42&#8211;.png \u4e3a\u4e86\u66f4\u597d\u7684\u7406\u89e3 exports \u548cmodule.exports \u7684\u5173\u7cfb\uff0c\u6211\u4eec\u5148\u6765\u8865\u70b9 js \u57fa\u7840\u3002\u793a\u4f8b\uff1a \/\/ index.js Page({ onLoad: function(){ var a = {name: &#8216;\u5f20\u4e09&#8217;}; var b = a; console.log(a); console.log(b); b.name = &#8216;\u674e\u56db&#8217;; console.log(a); console.log(b); var b = {name: &#8216;\u738b\u4e94&#8217;}; console.log(a); console.log(b); } }) \u767b\u5f55\u540e\u590d\u5236 \u8fd0\u884c app.js \u7ed3\u679c\u4e3a\uff1a { name: &#8216;\u5f20\u4e09&#8217; } { name: &#8216;\u5f20\u4e09&#8217; } { name: &#8216;\u674e\u56db&#8217; } { [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-29644","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/29644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=29644"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/29644\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=29644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=29644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=29644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}