text: define(['jquery', 'bootstrap', 'backend'], function ($, undefined, Backend) {
  
      var Controller = {
          index: function () {
  
              //禁止在操作select元素时关闭dropdown的关闭事件
              $("#database").on('click', '.dropdown-menu input, .dropdown-menu label, .dropdown-menu select', function (e) {
                  e.stopPropagation();
              });
  
              //提交时检查是否有删除或清空操作
              $("#database").on("submit", "#sqlexecute", function () {
                  var v = $("#sqlquery").val().toLowerCase();
                  if ((v.indexOf("delete ") >= 0 || v.indexOf("truncate ") >= 0) && !confirm(__('Are you sure you want to delete or turncate?'))) {
                      return false;
                  }
              });
  
              //事件按钮操作
              $("#database").on("click", "ul#subaction li input", function () {
                  $("#topaction").val($(this).attr("rel"));
                  return true;
              });
  
              //导出按钮操作
              $("#database").on("click", "ul#exportul li input", function () {
                  $("#topaction").val($(this).attr("rel"));
                  $("#topexportsql").val($("#sqlquery").val());
                  return true;
              });
  
              //窗口变更的时候重设结果栏高度
              $(window).on("resize", function () {
                  $("#database .well").height($(window).height() - $("#database #sqlexecute").height() - $("#ribbon").outerHeight() - $(".panel-heading").outerHeight() - 130);
              });
  
              //修复iOS下iframe无法滚动的BUG
              if (/iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream) {
                  $("#resultparent").css({"-webkit-overflow-scrolling": "touch", "overflow": "auto"});
              }
  
              $(window).resize();
          }
      };
      return Controller;
  });
  