路由断言的含义指:通过路由断言判断路由是否可用,匹配成功进行下一步处理，否则则失败如下图:断言的类型分为9种:1.After在时间之后 才能路由2.Before 在时间之前 才能路由3.Between 在时间区间内才能路由4.Cookie路由断言工厂会取两个参数 - cookie 名称对应的的key 和value，当cookie 和 Cookied ...

E:\vue\vue_element>npm installnpm WARN ajv-keywords@2.1.1 requires a peer of ajv@^5.0.0 but none is installed. You must install peer dependencies yourself.audited 30855 packages in 12.173sfound

E:\vue\vue_element>npm installnpm WARN ajv-keywords@2.1.1 requires a peer of ajv@^5.0.0 but none is installed. You must install peer dependencies yourself.audited 30855 packages in 12.173sfound

require.context 使用 一次引入多个文件require.context('文件路径'，true/false,正则表达式)const modulesFiles = require.context('./modules', true, /\.js$/)const modules = modulesFiles.keys().reduce((modules, modulePa...

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