function downloadFile(id) {

    var url =  "<%=request.getContextPath()%>/cer/downloadFile";

    var form = $("<form></form>").attr("action", url).attr("method", "post");

    form.append($("<input></input>").attr("type", "hidden").attr("name", "fileId").attr("value", id));

    form.appendTo('body').submit().remove();//提交之后再删除from表单

   

}

jForm.appendTo('body')

function loadPage(url, projectName) {

    var jForm = $('<form></form>', {

        action: url,

        method: 'post'

    });

    $("<input>", {

        name: 'curPrj',

        value: projectName

    }).appendTo(jForm);

    jForm.appendTo('body').submit();

}

 var form = $("<form method='post'></form>"),

        input;

    form.attr({ "action": url });

    $.each(args, function (key, value) {

        input = $("<input type='hidden'>");

        input.attr({ "name": key });

        input.val(value);

        form.append(input);

    });

    form.appendTo('body').submit();