78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
const UrlUtils = {
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/**
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* 清理URL（合并多余的?，规范参数分隔符）
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* @param {string} url - 原始URL
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* @returns {string} 清理后的URL
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*/
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clean: function(url) {
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let cleanUrl = url.replace(/\?+/g, '?');
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const firstQuestionMarkIndex = cleanUrl.indexOf('?');
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if (firstQuestionMarkIndex !== -1) {
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const beforeParams = cleanUrl.substring(0, firstQuestionMarkIndex + 1);
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const afterParams = cleanUrl.substring(firstQuestionMarkIndex + 1).replace(/\?/g, '&');
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cleanUrl = beforeParams + afterParams;
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}
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return cleanUrl;
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},
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/**
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* 保留URL中指定的参数（默认只保留merchant_id）
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* @param {string} url - 原始URL
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* @param {string[]} [paramsToKeep=['merchant_id']] - 需要保留的参数名数组
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* @returns {string} 简化后的URL
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*/
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keepParams: function(url, paramsToKeep = ['merchant_id']) {
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// 先清理URL
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const cleanedUrl = this.clean(url);
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try {
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const urlObj = new URL(cleanedUrl);
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const newSearchParams = new URLSearchParams();
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// 遍历原始参数，只保留需要的
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urlObj.searchParams.forEach((value, key) => {
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if (paramsToKeep.includes(key)) {
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newSearchParams.append(key, value);
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}
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});
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// 重建URL
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urlObj.search = newSearchParams.toString();
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return urlObj.toString();
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} catch (e) {
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// 如果URL解析失败（如缺少协议），回退到字符串处理
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const [basePart, queryPart] = cleanedUrl.split('?');
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if (!queryPart) return basePart;
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const keptParams = queryPart.split('&').filter(param => {
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const [key] = param.split('=');
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return paramsToKeep.includes(key);
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});
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return keptParams.length > 0
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? `${basePart}?${keptParams.join('&')}`
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: basePart;
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}
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}
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};
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export default UrlUtils
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// // 使用示例
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// const dirtyUrl = "http://10.210.254.149:8081/h5_pay/??merchant_id=1&token=xxx&expires_time=123??is_all_api=1";
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// // 1. 只清理URL
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// console.log(UrlUtils.clean(dirtyUrl));
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// // 输出: "http://10.210.254.149:8081/h5_pay/?merchant_id=1&token=xxx&expires_time=123&is_all_api=1"
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// // 2. 清理并只保留merchant_id
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// console.log(UrlUtils.keepParams(dirtyUrl));
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// // 输出: "http://10.210.254.149:8081/h5_pay/?merchant_id=1"
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// // 3. 清理并保留多个参数
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// console.log(UrlUtils.keepParams(dirtyUrl, ['merchant_id', 'expires_time']));
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// // 输出: "http://10.210.254.149:8081/h5_pay/?merchant_id=1&expires_time=123"
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