【补充】用jquery实现post请求（非ajax）

模拟POST请求

jQuery(function ($) {
    $.extend({
        form: function (url, data, method) {
            if (method == null) method = 'POST';
            if (data == null) data = {};
 
            var form = $('<form>').attr({
                method: method,
                action: url,
                "accept-charset" : "utf-8",		// 重要，解决其余浏览器
                onsubmit : "document.charset='utf-8';"	//重要，解决IE提交时编码问题
            }).css({
                display: 'none'
            });
 
            var addData = function (name, data) {
                if ($.isArray(data)) {
                    for (var i = 0; i < data.length; i++) {
                        var value = data[i];
                        addData(name + '[]', value);
                    }
                } else if (typeof data === 'object') {
                    for (var key in data) {
                        if (data.hasOwnProperty(key)) {
                            addData(name + '[' + key + ']', data[key]);
                        }
                    }
                } else if (data != null) {
                    form.append($('<input>').attr({
                        type: 'hidden',
                        name: String(name),
                        value: String(data)
                    }));
                }
            };
 
            for (var key in data) {
                if (data.hasOwnProperty(key)) {
                    addData(key, data[key]);
                }
            }
 
            return form.appendTo('body');
        }
    });
});

当前页执行请求

使用示例：

$.form('/index').submit();
 
<form action="/index" method="POST"></form>

$.form('/new', { title: 'Hello World', body: 'Foo Bar' }).submit();
 
<form action="/index" method="POST">
    <input type="hidden" name="title" value="Hello World" />
    <input type="hidden" name="body" value="Foo Bar" />
</form>

$.form('/info', { userIds: [1, 2, 3, 4] }, 'GET').submit();
 
<form action="/info" method="GET">
    <input type="hidden" name="userIds[]" value="1" />
    <input type="hidden" name="userIds[]" value="2" />
    <input type="hidden" name="userIds[]" value="3" />
    <input type="hidden" name="userIds[]" value="4" />
</form>

$.form('/profile', { sender: { first: 'John', last: 'Smith', postIds: null },
                     receiver: { first: 'Foo', last: 'Bar', postIds: [1, 2] }).submit();
 
<form action="/profile" method="POST">
    <input type="hidden" name="sender[first]" value="John">
    <input type="hidden" name="sender[last]" value="Smith">
    <input type="hidden" name="receiver[first]" value="John">
    <input type="hidden" name="receiver[last]" value="Smith">
    <input type="hidden" name="receiver[postIds][]" value="1">
    <input type="hidden" name="receiver[postIds][]" value="2">
</form>

弹出新窗口再请求

// 当前页建立form
var formName = 'zzz';
var $form = $.form('http://xxx', data, "post", formName);
// 打开新窗口
var obj = window.open("about:blank");
// 将当前页建立的form放到新窗口
obj.document.write($form.prop("outerHTML"));
// 新窗口加上表单提交脚本
var script2 = '<script>document.' + formName + '.submit();</script>';
// 将表单提交脚本放到新窗口，新窗口执行表单提交
obj.document.write(script2);
// 移除当前页form
$form.remove();