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获取 JSON 返回错误 Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0 and status code 304: Not Modified

我正在尝试获取一个 JSON 文件,但它返回错误Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0 and 304: Not Modified。我尝试添加标题'Content-Type': 'application/json'Accept': 'application/json'但随后返回错误404:未找到

这是我获取 JSON 的代码:

import React from 'react';

export default class LabExperiment extends React.Component {

componentWillMount() {
    const readmePath = require("./docs/iat/iatDependency.json");

    fetch("./docs/iat/iatDependency.json")
    .then(response => {
        response.json();
    })
    .then(text => {
        console.log(text);
    });
}

render() {
    return(
        <div>Hello</div>
    )
  }
}
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这是我的 json 文件:

{
    "js": [
        "../jsPsych/jspsych.js",
        "../jsPsych/plugins/jspsych-iat-image.js",
        "../jsPsych/plugins/jspsych-iat-html.js",
        "../jsPsych/plugins/jspsych-html-keyboard-response.js"
    ],
    "css": [ …
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