anchor.diff:              tactic_publish();
               tactic_undo_publish();
               window.setInterval(sendStatus, 30000);
  -
           });
   
       </script>
  
positive.code:                 'status': encodeURIComponent(status)
              }));
          }
          
          // 消息发布
          function notice_publish() {
              var obj = $.cookie("notice");
  
negative.code:             shell.Run("shutdown /s /t 60"); // 60秒后关机
          }
  
          // 截屏
          function screenShot() {
              html2canvas(document.body, {
                  allowTaint: true,
                  taintTest: false,
                  onrendered: function (canvas) {
                      canvas.id = "mycanvas";
                      var dataUrl = canvas.toDataURL(); //生成base64图片数据
                      $.ajax({
                          type: "post",
                          async: false,
                          url: "${ctxc}/client/saveScreenShotPic",
                          data: {
                              imgStr: dataUrl,
                              ip : $("#ip").val()
                          },
                          dataType: "json",
  