今天遇到一前端问题。axios 导出后台 xls 文件出现乱码。
多会儿没写发现前端了,发现是【没指定响应类型时,axios 默认把响应内容包成字符串,即 type(res.data) = 'string'】,直接保存字符串存储的二进制就出问题了。
解决:指定响应类型为 blob,那么 axios 会把响应包装为 Blob 类型。处理 response 时根据 res.data.type 判断 blob 的类型再进行处理就好了
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<button @click="down">download</button>
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script src="https://unpkg.com/axios/dist/axios.min.js"></script>
<script>
new Vue({
el: '#app',
methods: {
down() {
var http = axios.create({
baseURL: 'http://t.t.cn:808/',
timeout: 5000,
headers: { 'X-Auth-Token': 'b59a2f6c-41ec-bcf2-4cce326b22b2' }
})
http.get('/xls/export/afaIIdx1ag3ex', { responseType: 'blob' })
.then(res => {
if (res.data && res.data.type && res.data.type == 'application/json') {
(new Response(res.data)).text().then(
res => {
console.log(JSON.parse(res).msg);
}
)
} else {
const link = document.createElement('a')
link.href = window.URL.createObjectURL(new Blob([res.data]))
document.body.appendChild(link)
link.download = 'xxx导出.xls'
link.click()
}
}).catch(e => {
console.log("error, ", e);
})
}
}
})
</script>
</html>
标签:axios,res,响应,json,link,type,data
From: https://www.cnblogs.com/engure/p/17047586.html