/*
* url 目标url
* arg 需要替换的参数名称* arg_val 替换后的参数的值* return url 参数替换后的url
*/
function changeURLArg(url, arg, arg_val) {
var pattern = arg + '=([^&]*)';
var replaceText = arg + '=' + arg_val;
if (url.match(pattern)) {
var tmp = '/(' + arg + '=)([^&]*)/gi';
tmp = url.replace(eval(tmp), replaceText);
return tmp;
} else {
if (url.match('[\?]')) {
return url + '&' + replaceText;
} else {
return url + '?' + replaceText;
}
}
return url + '\n' + arg + '\n' + arg_val;
}
var url = changeURLArg(url,'search',search_input);//替换新的url.search的参数值
