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                企業??AI智能體構建引擎,智能編排和調試,一鍵部署,支持知識庫和私有化部署方案 廣告
                錄制的GIF動畫 ![mark](http://qiniu.newthink.cc/blog/20171012-180843781.gif) 部分源碼如下: ``` <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <script src="https://cdn.bootcss.com/jquery/1.11.3/jquery.js"></script> </head> <body> <select onblur="get_city(this)" id="province" name="province" title="請選擇所在省份"> <option value="">選擇省份</option> <volist name="province" id="vo"> <option value="{$vo.id}">{$vo.name}</option> </volist> </select> <select onblur="get_area(this)" id="city" name="city" title="請選擇所在城市"> <option value="">選擇城市</option> </select> <select id="district" name="district" title="請選擇所在區縣"> <option value="">選擇區域</option> </select> </body> </html> <script> /** * 獲取城市 * @param t 省份select對象 */ function get_city(t){ var parent_id = $(t).val(); if(!parent_id > 0){ return; } $('#district').empty().css('display','none'); $('#twon').empty().css('display','none'); var url = '/admin/test/getRegion/level/2/parent_id/' + parent_id; $.ajax({ type : "GET", url : url, error: function(request) { alert("服務器繁忙, 請聯系管理員!"); return; }, success: function(v) { v = '<option value="0">選擇城市</option>'+ v; $('#city').empty().html(v); } }); } /** * 獲取地區 * @param t 城市select對象 */ function get_area(t){ var parent_id = $(t).val(); if(!parent_id > 0){ return; } $('#district').empty().css('display','inline'); $('#twon').empty().css('display','none'); var url = '/admin/test/getRegion/level/3/parent_id/' + parent_id; $.ajax({ type : "GET", url : url, error: function(request) { alert("服務器繁忙, 請聯系管理員!"); return; }, success: function(v) { v = '<option>選擇區域</option>'+ v; $('#district').empty().html(v); } }); } </script> ```
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