/* * @Author: dvlproad * @Date: 2023-03-03 14:02:09 * @LastEditors: dvlproad * @LastEditTime: 2023-03-09 15:58:58 * @Description: 对url进行参数新增等操作的方法 */ /// 为 oldUrl 添加 newParams 参数，返回新url function addParamsForUrl(oldUrl, newParams) { if (newParams == null || newParams == {} || typeof newParams == "undefined") { return oldUrl; } var newParamsString = stringFromMap(newParams); var paramStartIndex = oldUrl.indexOf("?"); var connectorFlag; if (paramStartIndex != -1) { connectorFlag = '&'; } else { connectorFlag = '?'; } return `${oldUrl}${connectorFlag}${newParamsString}`; } function paramsStringFromMap(newParams) { debugger const params = new URLSearchParams(); // 遍历newParams对象的属性 for (const key in newParams) { if (newParams.hasOwnProperty(key)) { const value = newParams[key]; params.append(key, JSON.stringify(value)); } } // 将URL参数添加到URL中 const newParamsString = `${params.toString()}`; return newParamsString; } function stringFromMap(newParams) { return paramsStringFromMap(newParams); var keys = Object.keys(newParams); // 获取map的所有keys console.log(`keys=${keys}`); var count = keys.length; // var count = oldUrl.size; var newParamsString = ''; for (var i = 0; i < count; i++) { var key = keys[i]; var value = newParams[key]; var stringValue; if (typeof value === 'string') { stringValue = value; } else if (typeof value === 'number') { stringValue = value.toString(); } else if (typeof value === 'object') { // JavaScript 判断判断某个对象是Object还是一个Array if (value.constructor == Array) { // stringValue = value; stringValue = value.toString(); // stringValue = JSON.stringify(value); // continue } else { stringValue = stringFromMap(value); } } stringValue = encodeURIComponent(stringValue) if (i > 0) { newParamsString += '&'; } newParamsString += `${key}=${stringValue}`; } return newParamsString; }