求一个json写法,后台write给前台,哪位兄弟熟悉,帮个忙,在线等
代码:// 购买
$('#buybtn').click(function() {
debugger;
//pageTracker._trackPageview("/ga_detail_frche" );
is_car_exist = 0;
//_lt_click_stat('prod_buyit');
//if (siteID == "2" && $('#product_ID').text().length == 9) {
if (siteID == "2" && $('#product_ID').text().length == 2) {
debugger;
divshoesnum('prod_addsc2'); //弹出层的提示 选择鞋码
$('#btnchoiceNum').click(function() {
_lt_click_stat('prod_addsc2_ok');
$('#buybtn').click();
});
return false;
} else if (siteID == "2" && $('#product_ID').text().length > 2) {
debugger;
//$('#buywrg').text("");
if (Number($('#buy_num').val()) <= 0)
return false;
var title_str = '<div style="width:458px;">'
+ '<div style="display:inline;"><img src="/letao/images/checkout/item03.gif" width="28" height="28" align="absmiddle" /></div>'
+ '<div style="display:inline;"><span style="color:#c12000; font-size:14px;font-weight:normal; line-height:28px;">正在放入购物车</span></div></div>';
var content_str = '<div style="width:458px;height:83px; text-align:center;">';
content_str += '<div style="color:#c12000; font-size:14px;font-weight:normal; padding-top:30px;"></div>';
content_str += '<div style="color:#595757; font-size:12px;font-weight:normal;padding-top:5px;">正在放入您的购物车,请稍候……</div></div>';
var state_str = '<div style="width:458px; height:44px;clear:both;display:none;"><div style="font-size:12px; padding:15px 27px; float:left;">'
+ '<a lt_stat_id="detail_frcheok_jixu" href="#" onclick="javascript:_lt_click_stat(\'detail_frcheok_jixu\');" >继续购物</a> <a lt_stat_id="pop_check_trolley" onclick="javascript:_lt_click_stat(\'pop_check_trolley\')"; href="#">查看购物车(<span style="color:#c12000">3</span>)</a></div>'
+ '<div style="padding:8px 10px; float:right">\n';
state_str += '<a lt_stat_id ="detail_frcheok_qujiezhang" onclick="javascript:_lt_click_stat(\'detail_frcheok_qujiezhang\'); " href="net_pay_zu.aspx" >\n';
state_str += '<img border="0" src="/letaozu/images/shoes/btn09.gif" width="105" height="28" />';
state_str += '</a></div></div>';
debugger;
fldiv({ title: title_str, content: content_str, state: state_str }, { drag: true, breakoff: true, scrolling: false });
add_Shopping_cart();
debugger;
return false;
}
})
function add_Shopping_cart() {
debugger;
var prod_ID = $('#product_ID').text();
var prod_Num = 1;
if (!isNaN($('#buy_num').val()))
prod_Num = $('#buy_num').val();
para = 1;
// $.LT_AJAX("cart_add", [prod_ID, prod_Num], car_add_call_back, "user_cart");
$.LT_AJAX("cart_add", [prod_ID, prod_Num], car_add_call_back, "userCart");
debugger;
}
function car_add_call_back(return_al) {
debugger;
if (return_al[0] == 'SUCCESS')
refersh_cart();
debugger;
}
function refersh_cart() {
var prod_ID = $('#product_ID').text();
// $.LT_AJAX("cart_get", null, refersh_shopping_call_back, "user_cart");
$.LT_AJAX("cart_get", null, refersh_shopping_call_back, "refresh_dt");
}
function refersh_shopping_call_back(return_dt) {
debugger;
trolley_obj = return_dt;
var prodcount = 0;
debugger;
$.each(trolley_obj.Rows, function(i, n) {
if (!trolley_obj.Rows[i]['HasStock']) {
not_exist_prod += trolley_obj.Rows[i]['ProductName'] + "<br>";
not_exist_prodid.push(trolley_obj.Rows[i]['ProductID']);
}
if (trolley_obj.Rows[i]['ProductNum'] > trolley_obj.Rows[i]['Fororder']) {
over_order += trolley_obj.Rows[i]['ProductName'] + "<br>";
}
prodcount += Number(trolley_obj.Rows[i]['ProductNum']);
})
$('#fldiv .fldivstate div:first span:first').text(prodcount);
$('#trolley span:first').text(prodcount);
if (para == 1) {
add_Shoping_car_call_back(return_dt);
}
if (is_car_exist == 1) {
showCar();
}
}
function add_Shoping_car_call_back(return_dt) {
debugger;
$('#fldiv .fldivtitle img:first').attr('src', '/letaozu/images/checkout/item02.gif');
$('#fldiv .fldivtitle span:first').text('成功放入购物车');
if (siteID == 2)
$('#fldiv .fldivcontent div:last').html('恭喜!本次购买为您<font style="color:#FF319C">节省' + parseInt($('#total_discount').val()) * parseInt($("#buy_num").val()) + '元</font>');
else if (siteID == 1)
$('#fldiv .fldivcontent div:last').text('已放入您的购物车。');
$('#fldiv .fldivstate div:first').show();
$('#fldiv .fldivstate a:first').click(function() {
$('#fldiv #flcontent .fldivclose').click();
return false;
});
$('#fldiv .fldivstate a:eq(1)').click(function() {
//pageTracker._trackPageview("/ga_detail_frcheok_chakan" );
$('#fldiv #flcontent .fldivclose').click('test');
$('#trolley').click();
return false;
});
$('#fldiv .fldivstate a:last').click(function() {
$('#fldiv #flcontent .fldivclose').click();
});
refersh_num(return_dt)
}
// 购物车
$('#trolley').click(function() {
debugger;
is_car_exist = 1;
var positin = $('#trolley').offset();
_position = positin;
_positionTop = _position.top + 30 + $(document).scrollTop();
if (trolley_obj == undefined) {
refersh_cart();
}
debugger;
//pageTracker._trackPageview("/ga_top_che" );
if (trolley_obj != null && trolley_obj.Rows.Count > 0) {
showCar();
} else {
if (trolley_obj == "undefined" || trolley_obj == undefined) {
var title_str = '';
var content_str = '<div style="width:458px; height:44px; padding:30px 0px 0px; font-size:16px; color:#c12000; text-align:center;">'
+ '<img src="shonyweiye/NewImages/wrang.gif" align="absmiddle" /> 提示:您的购物车是空的。</div>';
var state_str = '<div style="width:458px; height:41px;clear:both; padding-top:13px; font-size:12px; color:#595757; line-height:1.2em;">'
+ '<div style="float:left;text-align:right; width:128px;">购物车说明:</div>'
+ '<div style="float:left;">当您看到喜欢的商品时,可以先放入“购物车”,<br />购物车内可放置多件商品,以便最终一起结账。</div></div>';
fldiv({ title: title_str, content: content_str, state: state_str }, { drag: true, y: _positionTop, breakoff: false, scrolling: false });
}
}
return false;
})
问题:我测试的数据是这种格式:
StringBuilder Json = new StringBuilder();
Json.Append("{\"" + "test" + "\":[");
Json.Append("{");
Json.Append("\"" + "vlc" + "\":\"" + "jopsd" + "\"");
Json.Append(",");
Json.Append("\"" + "dsf" + "\":\"" + "fsdf" + "\"");
Json.Append("}");
Json.Append("]}");
Response.Write(Json.ToString());
function refersh_shopping_call_back(return_dt) {
return_dt得到一个null值,这个格式如何写呀
--------------------编程问答-------------------- ...头疼。。。。。。。。。up --------------------编程问答-------------------- 这代码看的,哎。。。。。。。。。 --------------------编程问答-------------------- 这代码太强悍了。
看得头晕。 --------------------编程问答-------------------- 能不能搞点样式啊。。。。 --------------------编程问答-------------------- function refersh_shopping_call_back(return_dt) {
debugger;
trolley_obj = return_dt;
var prodcount = 0;
debugger;
$.each(trolley_obj.Rows, function(i, n) {
if (!trolley_obj.Rows[i]['HasStock']) {
not_exist_prod += trolley_obj.Rows[i]['ProductName'] + " <br>";
not_exist_prodid.push(trolley_obj.Rows[i]['ProductID']);
}
if (trolley_obj.Rows[i]['ProductNum'] > trolley_obj.Rows[i]['Fororder']) {
over_order += trolley_obj.Rows[i]['ProductName'] + " <br>";
}
prodcount += Number(trolley_obj.Rows[i]['ProductNum']);
})
求的是json写法,return_dt返回的就是一个dt,json 格式如何写才能是对的呢?
下面这个格式是我写的:[{ "TABLE":[{ "ROW":[ { "COL":[ {"DATA":"52"},{"DATA":"100"},{"DATA":"北京老布鞋二代"},{"DATA":"100"}]} ]}]}],不正确
--------------------编程问答-------------------- function refersh_shopping_call_back(return_dt) {
debugger;
trolley_obj = return_dt;
var prodcount = 0;
debugger;
$.each(trolley_obj.Rows, function(i, n) {
if (!trolley_obj.Rows[i]['HasStock']) {
not_exist_prod += trolley_obj.Rows[i]['ProductName'] + "<br>";
not_exist_prodid.push(trolley_obj.Rows[i]['ProductID']);
}
if (trolley_obj.Rows[i]['ProductNum'] > trolley_obj.Rows[i]['Fororder']){
over_order += trolley_obj.Rows[i]['ProductName'] + "<br>";
}
prodcount += Number(trolley_obj.Rows[i]['ProductNum']);
})
$('#fldiv .fldivstate div:first span:first').text(prodcount);
$('#trolley span:first').text(prodcount);
if (para == 1) {
add_Shoping_car_call_back(return_dt);
}
if (is_car_exist == 1) {
showCar();
}
} --------------------编程问答--------------------
这代码怎么看呀 --------------------编程问答-------------------- http://topic.csdn.net/u/20100116/10/0aef0c0b-4bc5-47a4-a25b-a07f3e95031b.html --------------------编程问答-------------------- System.Web.Script.Serialization.JavaScriptSerializer j = new System.Web.Script.Serialization.JavaScriptSerializer();
Response.Write(j.Serialize(obj对象));
Response.End(); --------------------编程问答-------------------- Response.Write("[\"cool:[{'test':52}]\"]");这种格式时候,能得到返回值,但是不是dt,不可能有什么trolley_obj.Rows属性呀,我用了很多datatabletojson的转换方法,转化后格式都不对,没有返回值,还报格式错误 --------------------编程问答--------------------
bisu已經洗完去了哇 哈哈哈哈 --------------------编程问答--------------------
BISU已經洗碗去了哇哈哈哈哈哈哈 --------------------编程问答-------------------- StringBuilder retVal = new StringBuilder();
retVal.Append("{list:[");
using (SqlDataReader reader = db.ExecuteReader(CommandType.Text, sql))
{
while (reader.Read())
{
retVal.Append("{");
for (int i = 0; i < reader.FieldCount; i++)
{
retVal.AppendFormat("{0}:'{1}'{2}", reader.GetName(i).Trim(), reader[i].ToString().Trim(), i == reader.FieldCount - 1 ? "" : ",");
}
retVal.Append("},");
}
}
retVal.Remove(retVal.Length - 1, 1);
retVal.Append("]}");
return retVal.ToString();
这种格式不对,根据这个function返回的是一个datatable结构的json串,但是好多这样的方法转化后,格式都是不正确的哦 --------------------编程问答-------------------- 例如这种格式就是我的一个DataTableToJson方法生成的:
[{"ProductID":"52","HasStock":"100","ProductName":"北京老布鞋二代","ProductNum":"100"}],
这种数据在return_dt中返回的是null --------------------编程问答-------------------- [{"ProductID":"52","HasStock":"100","ProductName":"北京老布鞋二代","ProductNum":"100"}]
补充:.NET技术 , ASP.NET