<button 
bindtouchstart="handleTouchStart" 
bindtouchend="handleTouchEnd" 
bindlongpress="handleLongPress" 
bindtap="handleClick">
点击/长按</button> 
//touch start
handleTouchStart: function(e) {    
    this.startTime = e.timeStamp
    //console.log(" startTime = " + e.timeStamp)
},  
 
//touch end
handleTouchEnd: function(e) {    
    this.endTime = e.timeStamp
    //console.log(" endTime = " + e.timeStamp)
},  
 
handleClick: function(e) {    
    //console.log("endTime - startTime = " + (this.endTime - this.startTime))
    if (this.endTime - this.startTime < 350) {      
    console.log("点击")
    }  
},  
 
handleLongPress: function(e) {    
//console.log("endTime - startTime = " + (this.endTime - this.startTime))
console.log("长按")
},