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in Technique[技术] by (71.8m points)

fetch 无法自定义header

fetch(url, {
    method,
    mode: 'cors',
    headers: {
        "Test": "2222"
    }
})
.then(response => response.json())

接口404


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1 Answer

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by (71.8m points)
var headers = new Headers();
headers.append('Accept', 'application/json'); 
var request = new Request(URL, {
    headers: headers,
    method:"GET"
});
fetch(request).then(function(response) { 
    console.log(response);
 });

好像发送的是headers 对象,还有貌似你的method 也没有给值,404是因为你的url 不存在的吧,先用postman 测试下。


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