axios源码分析——取消请求 | axios cancel
之前分析了两篇文章这篇文章,来分析下取消请求是怎么实现的,先从一个简单的取消请求的例子开始:varCancelToken=axios.CancelToken;varsource=CancelToken.source();axios.get(/get?name=xmz,{cancelToken:source.token}).then((response)=>{console.log(response,response)}).catch((error)=>{if(axios.isCancel(error)){console.log(取消请求传递的消息,error.message)}else{console.log(error,error)}})source.cancel(取消请求传递这条消息);复制代码这就是一个简单的取消请求的例子,那么就从最开始的axios.CancelToken来...
之前分析了两篇文章
这篇文章,来分析下取消请求是怎么实现的,先从一个简单的取消请求的例子开始:
var CancelToken = axios.CancelToken; var source = CancelToken.source(); axios.get(/get?name=xmz, { cancelToken : source.token }).then((response)=>{ console.log(response, response) }).catch((error)=>{ if(axios.isCancel(error)){ console.log(取消请求传递的消息, error.message) }else{ console.log(error, error) } }) source.cancel(取消请求传递这条消息); 复制代码这就是一个简单的取消请求的例子,那么就从最开始的axios.CancelToken来看,先去axios/lib/axios.js文件中。
axios.CancelToken = require(./cancel/CancelToken); 复制代码不费吹灰之力,就找到了CancelToken,在例子中我们调用了source方法,那么就去axios/lib/cancel/CancelToken.js文件中看看这个source方法到底是干什么的?
CancelToken.source = function(){ var cancel; var token = new CancelToken(function executor(c) { cancel = c }) return { token : token, cancel : cancel } } 复制代码source方法很简单,就是返回一个具有token和cancel属性的对象,但是token和cancel都是通过CancelToken这个构造函数来的,那么还在这个文件中向上看,找到CancelToken函数。
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axios:取消请求的使用案例分析· Issue #3 · ohhoney1notes ... | axios cancel
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