48 lines
1.2 KiB
JavaScript
48 lines
1.2 KiB
JavaScript
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// src/composables/useWeChatAuth.js
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import { ref } from 'vue';
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import request from '@/request/index.js';
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//解决跨域
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export function proxy(res){
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return request({
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url: `/api/proxy/get?apiUrl=${res.apiUrl}¶ms=${res.other}`,
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method: 'get',
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})
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}
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export const jsonp = function (url, data) {
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return new Promise((resolve, reject) => {
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// 1.初始化url
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let dataString = url.indexOf('?') === -1 ? '?' : '&'
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let callbackName = `jsonpCB_${Date.now()}`;
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url += `${dataString}`
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if (data) {
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// 2.有请求参数，依次添加到url
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for (let k in data) {
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url += `&${k}=${data[k]}`
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}
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}
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let scriptNode = document.createElement('script');
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scriptNode.src = url;
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// 3. callback
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window[callbackName] = (result) => {
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result ? resolve(result) : reject('没有返回数据');
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delete window[callbackName];
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document.body.removeChild(scriptNode);
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}
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// 4. 异常情况
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scriptNode.addEventListener('error', () => {
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reject('接口返回数据失败');
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delete window[callbackName];
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document.body.removeChild(scriptNode);
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}, false)
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// 5. 开始请求
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document.body.appendChild(scriptNode)
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})
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}
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