shared: true,//當(dāng)提示框被共享時(shí)，整個(gè)繪圖區(qū)都將捕捉鼠標(biāo)指針的移動(dòng)。提示框文本顯示有序數(shù)據(jù)（不包括餅圖，散點(diǎn)圖和標(biāo)志圖等）的系列類型將被顯示在同一個(gè)提示框中。    formatter : function() {//提示框內(nèi)容格式化回調(diào)函數(shù)，返回 false 可以針對(duì)某個(gè)點(diǎn)或數(shù)據(jù)列關(guān)閉提示框，該函數(shù)里可以執(zhí)行復(fù)雜的邏輯來(lái)返回需要的內(nèi)容。      var content = '';      for (var i = 0; i < this.points.length; i++) {        if(i == this.points.length-1){          content += '<span style="font-size: 10px; color: ' + this.points[i].series.color + '">' + this.points[i].series.name + '</span>: ' + this.points[i].y +'℃'+'<br/>';        }else{          content += '<span style="font-size: 10px; color: ' + this.points[i].series.color + '">' + this.points[i].series.name + '</span>: ' + this.points[i].y +'%'+'<br/>';        }      };      var date = new Date();      var nowYear=date.getFullYear().toString();      var nowMonth=(date.getMonth() + 1).toString();      var nowDay=date.getDate().toString();       var nowHours=date.getHours().toString();       var nowMin=date.getMinutes().toString();       var nowSeconds=date.getSeconds().toString();       function timeAdd0(str) {         if(str.length<=1){           str='0'+str;         }         return str       }       nowYear=timeAdd0(nowYear) ;      nowMonth=timeAdd0(nowMonth) ;      nowDay=timeAdd0(nowDay) ;      nowHours=timeAdd0(nowHours) ;      nowMin=timeAdd0(nowMin);      nowSeconds=timeAdd0(nowSeconds)      content = '<span>' + nowYear + '/' + nowMonth + '/' + nowDay + ' ' + nowHours + ':' + nowMin + ':' + nowSeconds + ' year' + '</span><br/>' +content;      return content;    },