const replaceUrlArg = ( url, arg, argVal ) => { var pattern = eval ( `/([\?|\&])( ${arg} =)([^&]*)/gi` ); var replaceText = arg + '=' + argVal; return url. match (pattern) ? url. replace (pattern, `$1 ${replaceText} ` ) : url. match ( '[?]' ) ? url + '&' + replaceText : url + '?' + replaceText; 2 、现代方式 * 替换URL的参数值 * url 目标url * arg 需要替换的参数名称(区分大小写) * arg_val 替换后的参数的值 * return url 参数替换后的url const replaceUrlArg = ( url, arg, argVal ) => { const urlObj = new URL (url); urlObj. searchParams . set (arg, argVal) return urlObj. href 复制代码