Vue\u5bf9\u8c61\u4e2d, \u4e00\u4e2a\u91cd\u8981\u7684\u5c5e\u6027\u662fcomputed, \u5e38\u7528\u4e8e\u8ba1\u7b97\u5c5e\u6027<\/p>\n\n\n\n
\u770b\u4e0b\u9762\u7684\u4f8b\u5b50, \u662f\u628a hello \u5355\u8bcd\u53cd\u8f6c<\/p>\n\n\n\n
<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/vue\/dist\/vue.js\"><\/script>\n<h2>\u8ba1\u7b97\u5c5e\u6027\u7684\u4f8b\u5b50<\/h2>\n<div id=\"example\">\n <p>\u539f\u59cb\u7684\u5b57\u7b26\u4e32: \"{{ message }}\"<\/p>\n <p>\u8ba1\u7b97\u5c5e\u6027\u540e\u53cd\u8f6c\u7684\u5b57\u7b26\u4e32: \"{{ reversedMessage }}\"<\/p>\n<\/div>\n<script>\n\t\tvar vm = new Vue({\n\t\t el: '#example',\n\t\t data: {\n\t\t\tmessage: 'Hello'\n\t\t },\n\t\t computed: {\n\t\t\t\/\/ \u8ba1\u7b97\u5c5e\u6027\u7684 getter\n\t\t\treversedMessage: function () {\n\t\t\t \/\/ `this` \u6307\u5411 vm \u5b9e\u4f8b\n\t\t\t return this.message.split('').reverse().join('')\n\t\t\t}\n\t\t }\n\t\t});\n<\/script><\/code><\/pre>\n\n\n\n\u5b83\u80fd\u591f\u628a\u5c5e\u6027 hello \u8fdb\u884c\u4e00\u4e9b js \u4ee3\u7801\u5904\u7406, \u5e76\u8fd4\u56de, \u4e5f\u5c31\u662f\u5bf9\u5b83\u8fdb\u884c\u4e86\u8ba1\u7b97<\/p>\n\n\n\n
\u770b\u8d77\u6765\u5b83\u548c\u65b9\u6cd5\u662f\u5dee\u4e0d\u591a\u7684, \u4f46\u5b83\u548c\u65b9\u6cd5\u662f\u6709\u533a\u522b\u7684, \u540e\u9762\u6211\u4eec\u5c06\u8bb2\u5230<\/p>\n\n\n\n
\u503c\u5f97\u4e00\u63d0\u7684\u662f, \u5982\u679c\u4f60\u76f4\u63a5\u4f7f\u7528 {{}} \u4e2d\u5b9e\u73b0\u53cd\u8f6c\u7684\u529f\u80fd\u4e5f\u662f\u53ef\u4ee5\u7684, <\/p>\n\n\n\n
<div id=\"example\">\n {{ message.split('').reverse().join('') }}\n<\/div><\/code><\/pre>\n\n\n\n\u8fd9\u6837\u505a\u7684\u574f\u5904\u5c31\u662f\u8ba9\u6a21\u677f\u8fc7\u4e8e\u6c89\u91cd, \u8981\u8bfb\u5b8c\u4ee3\u7801\u624d\u77e5\u9053\u8981\u663e\u793a message \u7684\u53cd\u8f6c. \u800c\u4e14\u5728\u53e6\u4e00\u4e2a\u7ec4\u4ef6\u4e0a\u8c03\u7528\u6b64\u8f93\u51fa\u53c8\u5f97\u91cd\u65b0\u5199\u4e00\u904d, \u6545\u5bf9\u4efb\u4f55\u590d\u6742\u7684\u903b\u8f91\u5904\u7406, \u4f60\u5e94\u8be5\u4f7f\u7528\u8ba1\u7b97\u5c5e\u6027<\/strong>.<\/p>\n\n\n\n\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d, reversedMessage\u53ef\u4ee5\u7406\u89e3\u662f vm \u7684\u4e00\u4e2a\u53d8\u91cf, \u4f60\u53ef\u4ee5\u901a\u8fc7 vm.reversedMessage \u83b7\u53d6\u5b83\u7684\u503c, \u8fd9\u548c{{reversedMessage}}\u662f\u4e00\u6837\u7684\u6548\u679c<\/p>\n\n\n\n
\u6b64\u5916, vm.reversedMessage \u53ef\u4ee5\u7406\u89e3\u4e3a message \u7684\u4e00\u4e2a\u5904\u7406\u540e\u7684 getter \u65b9\u6cd5, \u4e5f\u5c31\u662f vm.reversedMessage \u5b9e\u9645\u4e0a\u662fmessage\u4e00\u4e2a\u53d6\u503c\u517c\u5904\u7406\u7684\u65b9\u6cd5.<\/p>\n","protected":false},"excerpt":{"rendered":"
Vue\u5bf9\u8c61\u4e2d, \u4e00\u4e2a\u91cd\u8981\u7684\u5c5e\u6027\u662fcomputed, \u5e38\u7528\u4e8e\u8ba1\u7b97\u5c5e\u6027 \u770b\u4e0b\u9762\u7684\u4f8b\u5b50, \u662f\u628a hello \u5355\u8bcd\u53cd\u8f6c… \u7ee7\u7eed\u9605\u8bfb vue\u8ba1\u7b97\u5c5e\u6027\u4ecb\u7ecd<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/posts\/70"}],"collection":[{"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/comments?post=70"}],"version-history":[{"count":5,"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/posts\/70\/revisions"}],"predecessor-version":[{"id":76,"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/posts\/70\/revisions\/76"}],"wp:attachment":[{"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/media?parent=70"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/categories?post=70"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.52dixiaowo.com\/vuejs\/wp-json\/wp\/v2\/tags?post=70"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}