将json响应转换为javascript数组
我目前收到一个json响应,它是:将json响应转换为javascript数组,javascript,jquery,asp.net,json,Javascript,Jquery,Asp.net,Json,我目前收到一个json响应,它是: [{"id":1,"title":"Test 1 "},{"id":2,"title":"Test 2"}] 我想将其转换为一个名为“事件”的javascript数组,如下所示,这样我就可以返回它:例如: return { events : [ { "id":1, "title":"Test 1" }, { "id":2,
[{"id":1,"title":"Test 1 "},{"id":2,"title":"Test 2"}]
我想将其转换为一个名为“事件”的javascript数组,如下所示,这样我就可以返回它:例如:
return {
events : [
{
"id":1,
"title":"Test 1"
},
{
"id":2,
"title":"Test 2"
}
]
};
我从jquery ajax调用中得到了响应:
jQuery.ajax({
type: "POST",
url: "calendar.aspx/get_all_events",
data: "{}",
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (msg) {
document.write(msg.d);
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
alert('Error getting events from database.');
}
});
有人知道如何将msg或msg.d转换为所需的内容吗
谢谢,我想你只需要这个:
success: function (msg) {
// The event object is what you require
var eventObj = {events:msg.d};
document.write(eventObj);
},
如果msd.d是
[{"id":1,"title":"Test 1 "},{"id":2,"title":"Test 2"}]
然后你可以像这样归还它:
return {
events : msg.d
};
但是您必须进行回调才能返回它。因为ajax是异步的。我加了报税单,因为那是你想要的。另一种方法是使ajax调用同步。您可以使用:
return {events: JSON.parse(msg.d)};
或者,为了更好的兼容性:
eval("var result = "+msg.d);
return {events: result};
或jQuery解决方案
return {events: $.parseJSON(msg.d)};
请注意,XHR请求是异步的。您不能简单地返回XHR请求数据。您必须将所有进一步的代码放入回调函数中,以便它可以在数组可用时处理数组。什么是msg.d?您的响应似乎已经达到了所需的格式。您不能使用
eval(msg.d)
?您不能使用文档。请在页面加载后编写
function doXHR( callback ) {
jQuery.ajax( {
type: "POST",
url: "calendar.aspx/get_all_events",
data: "{}",
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function ( event ) {
callback && callback( event );
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
alert('Error getting events from database.');
}
});
}
doXHR( function( event ) {
var data = { events: event.d };
// Do other stuff with data here (processing, displaying, etc.).
// You can call other functions here and feed them with data.
} );