支持的数据源
jquery ui autocomplete主要支持字符串array、json两种数据格式。
普通的array格式没有什么特殊的,如下:
代码如下:
["cnblogs","博客园","囧月"]
代码如下:
[{label: "博客园", value: "cnblogs"}, {label: "囧月", value: "囧月"}]
代码如下:
[{label: "cnblogs"}, {label: "囧月"}]
[{value: "cnblogs"}, {value: "囧月"}]
. 代码如下:
[{"label": "博客园", "value": "cnblogs"}, {"label": "囧月", "value": "囧月"}]
. 代码如下:
$("#autocomp").autocomplete({
source: "remote.ashx",
minlength: 2
});
. 代码如下:
public void processrequest(httpcontext context)
{
// 查询的参数名称默认为term
string query = context.request.querystring["term"];
context.response.contenttype = "text/javascript";
//输出字符串数组 或者 json 数组
context.response.write("[{\"label\":\"博客园\",\"value\":\"cnblogs\"},{\"label\":\"囧月\",\"value\":\"囧月\"}]");
}
. 代码如下:
// 本地字符串数组
var availabletags = [
"c#",
"c++",
"java",
"javascript",
"asp",
"asp.net",
"jsp",
"php",
"python",
"ruby"
];
$("#local1").autocomplete({
source: availabletags
});
// 本地json数组
var availabletagsjson = [
{ label: "c# language", value: "c#" },
{ label: "c++ language", value: "c++" },
{ label: "java language", value: "java" },
{ label: "javascript language", value: "javascript" },
{ label: "asp.net", value: "asp.net" },
{ label: "jsp", value: "jsp" },
{ label: "php", value: "php" },
{ label: "python", value: "python" },
{ label: "ruby", value: "ruby" }
];
$("#local2").autocomplete({
source: availabletagsjson
});
. 代码如下:
var hosts = ["gmail.com", "live.com", "hotmail.com", "yahoo.com", "cnblogs.com", "火星.com", "囧月.com"];
$("#email1").autocomplete({
autofocus: true,
source: function(request, response) {
var term = request.term, //request.term为输入的字符串
ix = term.indexof("@"),
name = term, // 用户名
host = "", // 域名
result = []; // 结果
result.push(term);
// result.push({ label: term, value: term }); // json格式
if (ix > -1) {
name = term.slice(0, ix);
host = term.slice(ix + 1);
}
if (name) {
var findedhosts = (host ? $.grep(hosts, function(value) {
return value.indexof(host) > -1;
}) : hosts),
findedresults = $.map(findedhosts, function(value) {
return name + "@" + value; //返回字符串格式
// return { label: name + " @ " + value, value: name + "@" + value }; // json格式
});
result = result.concat($.makearray(findedresults));
}
response(result);//呈现结果
}
});
. 代码如下:
$("#jsonp").autocomplete({
source: function(request, response) {
$.ajax({
url: "https://ws.geonames.org/searchjson",
datatype: "jsonp",
data: {
featureclass: "p",
style: "full",
maxrows: 12,
name_startswith: request.term
},
success: function(data) {
response($.map(data.geonames, function(item) {
return {
label: item.name + (item.adminname1 ? ", " + item.adminname1 : "") + ", " + item.countryname,
value: item.name
}
}));
}
});
},
minlength: 2
});
. 代码如下:
["cnblogs","博客园","囧月"]
[{label: "博客园", value: "cnblogs"}, {label: "囧月", value: "囧月"}]
[{label: "博客园", value: "cnblogs", id: "1"}, {label: "囧月", value: "囧月", id: "2"}]
. 代码如下:
// 在参数中
$("#autocomp").autocomplete({
source: availabletags
, select: function(e, ui) {
alert(ui.item.value)
}
});
// 通过bind来绑定
$("#autocomp").bind("autocompleteselect", function(e, ui) {
alert(ui.item.value);
});
. 代码如下:
// 按逗号分隔多个值
function split(val) {
return val.split(/,\s*/);
}
// 提取输入的最后一个值
function extractlast(term) {
return split(term).pop();
}
// 按tab键时,取消为输入框设置value
function keydown(event) {
if (event.keycode === $.ui.keycode.tab &&
$(this).data("autocomplete").menu.active) {
event.preventdefault();
}
}
var options = {
// 获得焦点
focus: function() {
// prevent value inserted on focus
return false;
},
// 从autocomplete弹出菜单选择一个值时,加到输入框最后,并以逗号分隔
select: function(event, ui) {
var terms = split(this.value);
// remove the current input
terms.pop();
// add the selected item
terms.push(ui.item.value);
// add placeholder to get the comma-and-space at the end
terms.push("");
this.value = terms.join(", ");
return false;
}
};
// 多个值,本地数组
$("#local3").bind("keydown", keydown)
.autocomplete($.extend(options, {
minlength: 2,
source: function(request, response) {
// delegate back to autocomplete, but extract the last term
response($.ui.autocomplete.filter(
availabletags, extractlast(request.term)));
}
}));
// 多个值,ajax返回json
$("#ajax3").bind("keydown", keydown)
.autocomplete($.extend(options, {
minlength: 2,
source: function(request, response) {
$.getjson("remotejson.ashx", {
term: extractlast(request.term)
}, response);
}
}));
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