Need to check it, the pattern will become the following

 
$(function () {

Var selectData=https://bbs.csdn.net/topics/null; 

$(' # id_select2_demo1). Click (); 
$(' # id_select2_demo1). Click (function () {
If (selectData=null https://bbs.csdn.net/topics/={
$. Ajax ({
Type: "post",//want to use the post way 
Async: false, 
Url: "LEOHBHUBPLANT001. Aspx/GetHubCode",//method in the page and name 
ContentType: "application/json; Charset=utf-8, 
"DataType: "json", 
Success: the function (data) {
SelectData=https://bbs.csdn.net/topics/data.d;//return data with the data. D for content 
}, 
Error: function (err) {
alert(err); 
} 
}); 
} 

$(' # id_select2_demo1). Select2 ({
Placeholder: 'please select', 
AllowClear: true, 
Data: selectData, 
Cache: true 
}); 
}) 

}); 

CodePudding user response:

In the onl oad method or $(function () {} to select Settings in style or the style of the default HTML Settings first