jquery ui自动完成:远程源问题
我使用jqueryui自动完成 当我使用局部变量作为源时,它就工作了jquery ui自动完成:远程源问题,jquery,json,ruby-on-rails-3,jquery-ui,autocomplete,Jquery,Json,Ruby On Rails 3,Jquery Ui,Autocomplete,我使用jqueryui自动完成 当我使用局部变量作为源时,它就工作了 var json = [ {type: "Utente",label: "Luca XXXX",url: "http://lvh.me:3000/users/4dde465add53e04e5c000001"}, {type: "Domanda",label: "Luca asdas adsfdsfdsf sdsd",url: "http://lvh.me:3000/quest
var json = [
{type: "Utente",label: "Luca XXXX",url: "http://lvh.me:3000/users/4dde465add53e04e5c000001"},
{type: "Domanda",label: "Luca asdas adsfdsfdsf sdsd",url: "http://lvh.me:3000/questions/luca-asdas-adsfdsfdsf-sdsd"},
];
但是当我从另一个文件返回相同的源代码时,它就不起作用了。我在firebug中找到了JSON对象,它似乎与我的局部变量JSON相同
代码如下:
$( ".query-input" ).autocomplete({
minLength: 3,
source: "/search.json",
select: function( event, ui ) { window.location = ui.item.url }
})
.data( "autocomplete" )._renderItem = function( ul, item ) {
return $( "<li></li>" )
.data( "item.autocomplete", item )
.append( "<a href=" + item.url + ">"+ item.label +"</a><span>" + item.type + "</span>" )
.appendTo( ul );
};
<%= "#{params[ :callback ]}(" if params[:callback] -%>
[<% @results.each_with_index do |r, i| %>
<% if r.is_a? User %>
{
type: "Utente",
label: <%= r.name.to_json.html_safe %>,
url: "<%= user_url(r.id) %>"
}
<% elsif r.is_a? Question %>
{
type: "Domanda",
label: <%= r.text.to_json.html_safe %>,
url: "<%= question_url(r.slug) %>"
}
<% elsif r.is_a? Topic %>
{
type: "Argomento",
label: <%= r.name.to_json.html_safe %>,
url: "<%= topic_path(r.slug) %>"
}
<% end %>
<%= "," unless i == @results.count - 1 %>
<% end %>]
<%= ")" if params[:callback] -%>
$(“.query输入”).autocomplete({
最小长度:3,
来源:“/search.json”,
选择:函数(事件,ui){window.location=ui.item.url}
})
.数据(“自动完成”)。\u renderItem=功能(ul,项目){
返回$(“”)
.data(“item.autocomplete”,item)
.append(“+item.type+”)
.附录(ul);
};
这是search.json.erb文件:
[<% @results.each do |r| %>
<% if r.is_a? User %>
{type: "Utente",label: <%= r.name.to_json.html_safe %>,url: <%= user_url(r.id).to_json.html_safe %>},
<% elsif r.is_a? Question %>
{type: "Domanda",label: <%= r.text.to_json.html_safe %>,url: <%= question_url(r.slug).to_json.html_safe %>},
<% elsif r.is_a? Topic %>
{type: "Argomento",label: <%= r.name.to_json.html_safe %>,url: <%= topic_path(r.id).to_json.html_safe %>},
<% end %>
<% end %>]
[
{类型:“Utene”,标签:,url:},
{类型:“Domanda”,标签:,url:},
{类型:“Argomento”,标签:,url:},
]
怎么了
$( ".query-input" ).autocomplete({
minLength: 3,
dataType: 'json',
source: "/search.json",
select: function( event, ui ) { window.location = ui.item.url }
})
您应该将数据类型称为“json”
您应该将数据类型称为“json”我认为html\u-safe
不会用双引号字符包装该值
编辑:结果显示html\u-safe
确实添加了双引号字符。但是,Firebug跟踪中的JSON无效,并且与问题中的代码不匹配:
[
{
type: "Utente",
label: "Luca XXXX",
url: "lvh.me:3000/users/4dde465add53e04e5c000001"; <-- syntax error
}, {
type: "Domanda",
label: "Luca asdas adsfdsfdsf sdsd",
url: "lvh.me:3000/questions/luca-asdas-adsfdsfdsf-sdsd"; <-- syntax error
},
]
[
{
类型:“上尉”,
标签:“卢卡XXXX”,
url:“lvh.me:3000/users/4dde465add53e04e5c00001”我认为html\u-safe
不会用双引号字符来包装该值
编辑:结果显示html\u-safe
确实添加了双引号字符。但是,Firebug跟踪中的JSON无效,并且与问题中的代码不匹配:
[
{
type: "Utente",
label: "Luca XXXX",
url: "lvh.me:3000/users/4dde465add53e04e5c000001"; <-- syntax error
}, {
type: "Domanda",
label: "Luca asdas adsfdsfdsf sdsd",
url: "lvh.me:3000/questions/luca-asdas-adsfdsfdsf-sdsd"; <-- syntax error
},
]
[
{
类型:“上尉”,
标签:“卢卡XXXX”,
url:“lvh.me:3000/users/4dde465add53e04e5c00001”问题在于错过了回调。自动完成需要回调参数才能正常工作。
右search.json代码如下所示:
$( ".query-input" ).autocomplete({
minLength: 3,
source: "/search.json",
select: function( event, ui ) { window.location = ui.item.url }
})
.data( "autocomplete" )._renderItem = function( ul, item ) {
return $( "<li></li>" )
.data( "item.autocomplete", item )
.append( "<a href=" + item.url + ">"+ item.label +"</a><span>" + item.type + "</span>" )
.appendTo( ul );
};
<%= "#{params[ :callback ]}(" if params[:callback] -%>
[<% @results.each_with_index do |r, i| %>
<% if r.is_a? User %>
{
type: "Utente",
label: <%= r.name.to_json.html_safe %>,
url: "<%= user_url(r.id) %>"
}
<% elsif r.is_a? Question %>
{
type: "Domanda",
label: <%= r.text.to_json.html_safe %>,
url: "<%= question_url(r.slug) %>"
}
<% elsif r.is_a? Topic %>
{
type: "Argomento",
label: <%= r.name.to_json.html_safe %>,
url: "<%= topic_path(r.slug) %>"
}
<% end %>
<%= "," unless i == @results.count - 1 %>
<% end %>]
<%= ")" if params[:callback] -%>
[
{
类型:“上尉”,
标签:,
网址:“
}
{
类型:“多曼达”,
标签:,
网址:“
}
{
类型:“Argomento”,
标签:,
网址:“
}
]
问题在于缺少回调。Autocomplete需要回调参数才能正常工作。
右search.json代码如下所示:
$( ".query-input" ).autocomplete({
minLength: 3,
source: "/search.json",
select: function( event, ui ) { window.location = ui.item.url }
})
.data( "autocomplete" )._renderItem = function( ul, item ) {
return $( "<li></li>" )
.data( "item.autocomplete", item )
.append( "<a href=" + item.url + ">"+ item.label +"</a><span>" + item.type + "</span>" )
.appendTo( ul );
};
<%= "#{params[ :callback ]}(" if params[:callback] -%>
[<% @results.each_with_index do |r, i| %>
<% if r.is_a? User %>
{
type: "Utente",
label: <%= r.name.to_json.html_safe %>,
url: "<%= user_url(r.id) %>"
}
<% elsif r.is_a? Question %>
{
type: "Domanda",
label: <%= r.text.to_json.html_safe %>,
url: "<%= question_url(r.slug) %>"
}
<% elsif r.is_a? Topic %>
{
type: "Argomento",
label: <%= r.name.to_json.html_safe %>,
url: "<%= topic_path(r.slug) %>"
}
<% end %>
<%= "," unless i == @results.count - 1 %>
<% end %>]
<%= ")" if params[:callback] -%>
[
{
类型:“上尉”,
标签:,
网址:“
}
{
类型:“多曼达”,
标签:,
网址:“
}
{
类型:“Argomento”,
标签:,
网址:“
}
]
不起作用。带双引号的html_安全包装值。这是firebug的响应的复制/粘贴:[{type:“Utente”,标签:“Luca XXXX”,url:},{type:“Domanda”,标签:“Luca asdas adsfdsfdsf sdsd”,url:},]不起作用。带双引号的html_安全包装值。这是firebug的响应的复制/粘贴:[{type:“Utente”,标签:“Luca XXXX”,url:“},{类型:“Domanda”,标签:“Luca asdas adsfdsfdsf sdsd”,url:“},]