javaScript代码小集合将form转为AJAX提交

//将form转为AJAX提交

function do_ajax_submit_form(formid, fn) {
frm = $("#"+formid);
var dataPara = get_form_json(frm);
$.ajax({
url : frm.attr("action"),
type : method = frm.attr("method"),
data : dataPara,
success : fn
});
}

//ajax请求
function do_ajax_post(url, data,fn) {
$.ajax({
url : url,
type : "POST",
data : data,
success : fn
});
}

// 将form中的值转换为键值对。
function get_form_json(frm) {
var o = {};
var a = $(frm).serializeArray();
$.each(a, function() {
if (o[this.name] !== undefined) {
if (!o[this.name].push) {
o[this.name] = [ o[this.name] ];
}
o[this.name].push(this.value || '');
} else {
o[this.name] = this.value || '';
}
});

return o;
}