<script>
    $('input.tcbtn').click(function () {
        var formName = "myform";
        if (checkForm(document.forms[formName])) {
            //加载ajax-form插件
            $.getScript('/static/js/jquery-form.js', function () {
                var $Form = $('form[name="' + formName + '"]');
                var options = {
                    url: "{dr_now_url()}",
                    type: 'post',
                    success: function (datas) {
                        console.log(datas);

                        if (datas.error_id == 0) {
                            alert("提交成功")
                            window.location.reload();
                        } else {
                            alert(datas.error_msg);
                        }

                    }
                };
                $Form.ajaxSubmit(options);

            });
        }
    })
    $.post("/imgcode", function (data) {
        encode = data.encode;
        $("#Content3 input[name='_encode']").val(encode);
        $("#codeImgtc").html('<span><img  src="/imgcode?' + data.encode + '" title="点击更换" /></span>');

    });

    $("#codeImgtc").click(function () {

        $.post("/imgcode", function (data) {
            encode = data.encode;
            $("#Content3 input[name='_encode']").val(encode);
            $("#codeImgtc").html('<span><img  src="/imgcode?' + data.encode + '" title="点击更换" /></span>');

        });
    });
    $(".hyz .wz").click(function () {

        $.post("/imgcode", function (data) {
            encode = data.encode;
            $("#Content3 input[name='_encode']").val(encode);
            $("#codeImgtc").html('<span><img  src="/imgcode?' + data.encode + '" title="点击更换" /></span>');

        });
    });
</script>

$.ajax({
	type: "POST",
	dataType: "json",
	url: "{$post_url}",
	data: $("#myform").serialize(),
	success: function(json) {
		if (json.code) {
			
		}
		alert(json.msg);
	}
});

 $("#tcbtn").click(function () {
    $.ajax({  
            type: "POST",
            dataType: "json",
            url: "{$post_url}", 
            data: $("#myform").serialize(), 
            async: false,  
            success: function(json) {
                if (json.code) {
                }
                alert(json.msg);
            }
         });
       });

tcbtn