//表单序列化
function iSerialize(form){
??var parts={};
??for(var i=0;i<form.elements.length;i++){
?????var filed=form.elements[i];
?????switch(filed.type){
????????case undefined:
????????case "submit":
????????case "reset":
????????case "file":
????????case "button":
???????????break;
????????case "radio":
????????case "checkbox":
???????????if(!filed.selected) break;
????????case "select-one":
????????case "select-multiple":
????????for(var j=0;j<filed.options.length;j++){
???????????var option=filed.options[j];
???????????if(option.selected){
??????????????var optValue="";
??????????????if(option.hasAttribute){
?????????????????optValue=(option.hasAttribute("value")?option.value:option.text); ?
??????????????}else{
?????????????????optValue=(option.attributes("value").specified?option.value:option.text); ?
??????????????}
??????????????parts[filed.name]=optValue;
???????????}
????????}
????????break;
????????default:
???????????parts[filed.name]=filed.value;
?????}
??}
??return parts;
}
//封装ajax
function iAjax(obj) {
??var xhr = (function () {
?????if (typeof XMLHttpRequest != ‘undefined‘) {
????????return new XMLHttpRequest();
?????} else if (typeof ActiveXObject != ‘undefined‘) {
????????var version = [
?????????????????????????????‘MSXML2.XMLHttp.6.0‘,
?????????????????????????????‘MSXML2.XMLHttp.3.0‘,
?????????????????????????????‘MSXML2.XMLHttp‘
????????];
????????for (var i = 0; version.length; i ++) {
???????????try {
??????????????return new ActiveXObject(version[i]);
???????????} catch (e) {
??????????????//跳过
???????????} ?
????????}
?????} else {
????????throw new Error(‘您的系统或浏览器不支持XHR对象！‘);
?????}
??})();
??obj.url = obj.url + ‘?rand=‘ + Math.random();
??obj.data = (function (data) {
?????var arr = [];
?????for (var i in data) {
????????arr.push(encodeURIComponent(i) + ‘=‘ + encodeURIComponent(data[i]));
?????}
?????return arr.join(‘&‘);
??})(obj.data);
??if (obj.method === ‘get‘) obj.url += obj.url.indexOf(‘?‘) == -1 ? ‘?‘ + obj.data : ‘&‘ + obj.data;
??if (obj.async === true) {
?????xhr.onreadystatechange = function () {
????????if (xhr.readyState == 4) {
???????????callback();
????????}
?????};
??}
??xhr.open(obj.method, obj.url, obj.async);
??if (obj.method === ‘post‘) {
?????xhr.setRequestHeader(‘Content-Type‘, ‘application/x-www-form-urlencoded‘);
?????xhr.send(obj.data); ???
??} else {
?????xhr.send(null);
??}
??if (obj.async === false) {
?????callback();
??}
??function callback() {
?????if (xhr.status == 200) {
????????obj.success(xhr.responseText); ??????//回调传递参数
?????} else {
????????alert(‘获取数据错误！错误代号：‘ + xhr.status + ‘，错误信息：‘ + xhr.statusText);
?????} ?
??}
}
ajax封装函数和表单序列化
原文地址：https://www.cnblogs.com/wxiang/p/9083165.html