js fetch api
2024-10-15 15:58:26
MDN
fatch
返回的对象
type string
url string
redirected boolean
status number
ok boolean
statusText string
headers object
body object
bodyUsed boolean
clone function
arrayBuffer function
blob function
formData function
json function
text function
get 和 post
get() {
let headers = new Headers();
headers.append('Content-Type', 'application/json');
let option = {
method: 'GET',
headers: headers,
mode: 'cors',
cache: 'default'
};
let request = new Request('/get', option);
fetch(request).then(res => res.json()).then(res => console.log(res));
post() {
let headers = new Headers();
headers.append('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
let option = {
method: 'POST',
headers: headers,
mode: 'cors',
cache: 'default'
};
let request = new Request('/post', option);
fetch(request).then(res => res.json()).then(res => console.log(res));
}
rxjs的ajax
rxjs.ajax.ajax.get('/get',{'content-type': 'application/json'})
.pipe(
rxjs.operators.map(res => res.response)
)
.subscribe(
v => { console.log(v) },
e => { console.log(e) },
() => { console.log('complete') }
);
rxjs.ajax.ajax.post('/post',{'content-type': 'application/x-www-form-urlencoded;charset=utf-8'})
.pipe(
rxjs.operators.map(res => res.response)
)
.subscribe(
v => { console.log(v) },
e => { console.log(e) },
() => { console.log('complete') }
);
rxjs 包装 fetch
let get$ = rxjs.from(fetch('/get', {
method: 'GET',
headers: headers
}))
get$.pipe( rxjs.operators.mergeMap(res => rxjs.from(res.json())))
.subscribe(res => console.log( res))
并发请求
let get$ = rxjs.from(fetch('/get', {
method: 'GET',
headers: headers
}))
let get1$ = rxjs.from(fetch('/get1', {
method: 'GET',
headers: headers
}))
let get2$ = rxjs.from(fetch('/get2', {
method: 'GET',
headers: headers
}))
rxjs.merge(get$, get1$, get2$)
.pipe(
rxjs.operators.mergeMap(res => rxjs.from(res.json()))
)
.subscribe(res => console.log(res), err => console.error(err))
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