php - 使用 PHP 从数据库中预填充 token 输入文本框中的值

Question

下面是我的代码，用于使用 tokeninput 在文本中添加选项数量作为标签。在保存按钮选择标签后，我将选择作为数组并将其保存在数据库中作为国家列中的美国、爱尔兰。保存后想要预填充保存使用 jquery 方法将数据作为标记。下面是此过程的引用代码。

     <link rel="stylesheet" type="text/css" href="http://code.jquery.com/ui/1.10.4/themes/ui-lightness/jquery-ui.css"/>
      <link rel="stylesheet" href="styles/token-input.css" type="text/css" />
      <script type="text/javascript" src="src/jquery.tokeninput.js"></script>
<script>
      var country_list=[ 
{id: 1, name: "UK"}, 
{id: 2, name: "CANADA"}, 
{id: 3, name: "IRELAND"}, 
{id: 4, name: "SINGAPORE"}, 
{id: 5, name: "AUSTRALIA"}, 
{id: 6, name: "NEWZEALAND"}, 
{id: 7, name: "SWITZERLAND"}, 
{id: 8, name: "CYPRUS"}, 
{id: 9, name: "FRANCE"}, 
{id: 10, name: "MALAYSIA"}, 
{id: 11, name: "ITALY"}, 
{id: 12, name: "SWEDEN"}, 
{id: 13, name: "GERMANY"}, 
{id: 14, name: "USA"}, 
{id: 15, name: "DUBAI"}, 
{id: 16, name: "SPAIN"}, 
{id: 17, name: "LITHUANIA"}, 
{id: 18, name: "NETHERLANDS"}, 
{id: 19, name: "LATVIA"}, 
{id: 20, name: "SOUTH AFRICA"}, 
{id: 21, name: "OTHERS"} 
]; 
var selected_countries=<?php echo json_encode(explode(",",$country));?>; 
//alert(selected_countries);
var populate_list=[]; 
var index; 
for (index = 0; index < country_list.length; ++index) { 
console.log(country_list[index]); 
if(selected_countries.indexOf(country_list[index].name)>-1){ 

populate_list.push(country_list[index]); 
} 
} 
var prepopulate = { 
prePopulate : populate_list 
}; 

$("#country").tokenInput(country_list,prepopulate);
</script>

HTML代码

 <input type="text" name="country"  id="country">

为了将结果保存在我使用的数据库中所有选定的文本

AJAX代码

var arr1 = $('#country').tokenInput("get");
            var names1 = [];
            $.each(arr1, function(i, obj)
            {
             names1.push(obj.name);
            });
            var country=names1.join(); 

结果数据库端和 UI 端

Answer 1

来自 http://loopj.com/jquery-tokeninput/

prePopulate Prepopulate the tokeninput with existing data. Set to an array of JSON objects, eg: [{id: 3, name: "test"}, {id: 5, name: "awesome"}] to pre-fill the input.

var country_list=[ 
{id: 1, name: "UK"}, 
{id: 2, name: "CANADA"}, 
{id: 3, name: "IRELAND"}, 
{id: 4, name: "SINGAPORE"}, 
{id: 5, name: "AUSTRALIA"}, 
{id: 6, name: "NEWZEALAND"}, 
{id: 7, name: "SWITZERLAND"}, 
{id: 8, name: "CYPRUS"}, 
{id: 9, name: "FRANCE"}, 
{id: 10, name: "MALAYSIA"}, 
{id: 11, name: "ITALY"}, 
{id: 12, name: "SWEDEN"}, 
{id: 13, name: "GERMANY"}, 
{id: 14, name: "USA"}, 
{id: 15, name: "DUBAI"}, 
{id: 16, name: "SPAIN"}, 
{id: 17, name: "LITHUANIA"}, 
{id: 18, name: "NETHERLANDS"}, 
{id: 19, name: "LATVIA"}, 
{id: 20, name: "SOUTH AFRICA"}, 
{id: 21, name: "OTHERS"} 
]; 

var selected_countries=<?php echo json_encode(explode($country));?>; 
var populate_list=[]; 
var index; 
for (index = 0; index < country_list.length; ++index) { 

if(selected_countries.indexOf(country_list[index].name)>-1){ 
populate_list.push(country_list[index]); 
} 
} 
var prepopulate = { 
prepopulate : populate_list 
}; 

 $("#country").tokenInput(country_list,prepopulate);