WeaToolIntro 引导组件

        
          var myWeaToolIntro = new WeaToolIntro([
            {
              element: "#step1",
              intro: "
步骤一
天青色等烟雨，而我在等你，岁月被打捞起，掩盖了结局。",
              position: "right",
              event: function() {
                console.log("step1");
              }
            },
            ...
          ]);
          myWeaToolIntro.start();