Jquery 如何解决未定义的错误函数

Jquery 如何解决未定义的错误函数,jquery,facebook-javascript-sdk,Jquery,Facebook Javascript Sdk,我试图在facebook墙上发布一张图片,我使用以下代码: <script type="text/javascript"> window.fbAsyncInit = function() { FB.init({ appId : 'XXXXXXXX', // replace your app id here channelUrl : 'http://localhost/channel.html', status : true,

我试图在facebook墙上发布一张图片,我使用以下代码:

<script type="text/javascript">
window.fbAsyncInit = function() {
    FB.init({
    appId      : 'XXXXXXXX', // replace your app id here
    channelUrl : 'http://localhost/channel.html', 
    status     : true, 
    cookie     : true, 
    xfbml      : true  
    });
};
(function(d){
    var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
    if (d.getElementById(id)) {return;}
    js = d.createElement('script'); js.id = id; js.async = true;
    js.src = "//connect.facebook.net/en_US/all.js";
    ref.parentNode.insertBefore(js, ref);
}(document));

function FBLogin(){
    FB.login(function(response){
        if(response.authResponse){
            window.location.reload();
        }
    }, {scope: 'email'});
}
function post_on_wall()
{
            var share_name          = 'rohitashav';
            var share_link          = 'http://rohitashavsinghal.com';
            var share_image         = 'http://rohitashavsinghal.com/fb/love.jpg';
            var share_caption       = 'testing';
            var share_description   = 'test desc';

            var share_redirect      = 'http://rohitashavsinghal.com/';


            FB.ui(
            {
                method:         'feed',
                name:           share_name,
                link:           share_link,
                picture:        share_image,
                caption:        share_caption,
                description:    share_description
                //message:      ''
            },
            function(response) 
            {
                if (response && response.post_id) 
                {
                    alert('thanks for sharing!');
                    window.top.location.href = share_redirect;
                } 
                else 
                {
                    alert('Post was not published.');
                }
            }
}
</script>

window.fbAsyninit=函数(){
FB.init({
appId:'XXXXXXXX',//在此处替换您的应用id
频道URL:'http://localhost/channel.html', 
状态:正确,
曲奇:是的,
xfbml:对
});
};
(职能(d){
var js,id='facebook jssdk',ref=d.getElementsByTagName('script')[0];
if(d.getElementById(id)){return;}
js=d.createElement('script');js.id=id;js.async=true;
js.src=“//connect.facebook.net/en_US/all.js”;
ref.parentNode.insertBefore(js,ref);
}(文件);
函数FBLogin(){
FB.登录(功能(响应){
if(response.authResponse){
window.location.reload();
}
},{范围:'电子邮件'});
}
墙上的功能柱()
{
var share_name='rohitashav';
var共享链接http://rohitashavsinghal.com';
var share_图像编辑器http://rohitashavsinghal.com/fb/love.jpg';
var share_标题=‘测试’;
var share_description=‘测试描述’;
风险值份额http://rohitashavsinghal.com/';
FB.ui(
{
方法:“提要”,
姓名:share_name,
链接:共享链接,
图片:共享图片,
标题:共享标题,
description:share\u description
//消息:“”
},
功能(响应)
{
if(应答和应答后id)
{
警惕(“谢谢分享!”);
window.top.location.href=share\u重定向;
} 
其他的
{
警报(“未发布帖子”);
}
}
}
并创建了如下按钮:

<input type="button" value="Post on Wall" onClick="post_on_wall();" />

当我点击此按钮时,在
控制台
中,我得到以下错误:

post\u-on\u-wall未定义
,而我已定义此函数


为什么出现此错误?

您的
FB.ui
呼叫未关闭。您需要添加
在回调函数之后。如果没有此选项,
在墙上张贴
功能无效。老实说,我真的很惊讶你没有在控制台中得到一个错误


此外,上面提到的关于包含Facebook JS的调用有一个错位的
。您需要更改
}(文档))
}(文件)

我注意到您的代码中有一些错误

一,

如果我的Javascript正确,应该是这样的:

(function(d){
var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
if (d.getElementById(id)) {return;}
js = d.createElement('script'); js.id = id; js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
ref.parentNode.insertBefore(js, ref);
})(document);
  • FB.UI
    调用中,您有几个错误:

    FB.ui( //method opened
        {
            method:         'feed',
            name:           share_name,
            link:           share_link,
            picture:        share_image,
            caption:        share_caption,
            description:    share_description
            //message:      ''
        },
        function(response) 
        {
            if (response && response.post_id) 
            {
                alert('thanks for sharing!');
                window.top.location.href = share_redirect;
            } 
            else 
            {
                alert('Post was not published.');
            }
    

  • 现在,对于打开的方法调用,没有匹配的结束括号

    如果我要结束此调用,那么我将收到另一个错误
    FB未定义
    @RohitashvSinghal发现另一个问题并更新了我的答案
    FB.ui( //method opened
        {
            method:         'feed',
            name:           share_name,
            link:           share_link,
            picture:        share_image,
            caption:        share_caption,
            description:    share_description
            //message:      ''
        },
        function(response) 
        {
            if (response && response.post_id) 
            {
                alert('thanks for sharing!');
                window.top.location.href = share_redirect;
            } 
            else 
            {
                alert('Post was not published.');
            }