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1、 　　　　

<button type="button" rel="drevil" data-content="报名截止时间：'+time+'" data-container="body" data-toggle="popover" data-placement="bottom"></button>

2、

$(function () { $("[data-toggle='popover']").popover(); });　　　　　　  $("[rel=drevil]").popover({                      trigger:'manual',                      //placement : 'bottom', //placement of the popover. also can use top, bottom,                       left or right                      //天title : '<div style="text-align:center; color:red; text-decoration:underline;                       font-size:14px;"> Muah ha ha</div>', //this is the top title bar of the popover.                       add some basic css                      html: 'true', //needed to show html of course                      //content : '<div id="popOverBox"><img src="http://www.hd-report.com/wp-content                      /uploads/2008/08/mr-evil.jpg" width="251" height="201" /></div>', //this is the                       content of the html box. add the image here or anything you want really.                      animation: false                  }).on("mouseenter", function () {                      var _this = this;                      $(this).popover("show");                      $(this).siblings(".popover").on("mouseleave", function () {                          $(_this).popover('hide');                      });                  }).on("mouseleave", function () {                      var _this = this;                      setTimeout(function () {                          if (!$(".popover:hover").length) {                              $(_this).popover("hide")                          }                      }, 300);                  });

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