startClientY:0,//螢幕開始滑動位置
endClientY:0,//螢幕結束滑動位置
movedirection:'CENTER',//滑動方向
lastscrolltop:0,//上一次的滾動距離

handleStart (e){
    

    this.lastscrolltop=0;//重置上次位置

handleMove (e) {
    var dom = $(".contract_list");//可滾動區域
    var 
 
scrollTop = dom.scrollTop();//獲取滾動的距離
this.endClientY = e.touches[0].clientY;//更新手指當前螢幕Y軸位置--結束位置
    console.log("結束位置:",this.endClientY)
//判斷是否滾動到底部
if (scrollTop - this.lastscrolltop > 0) {
        this.lastscrolltop = dom.scrollTop()
console.log("繼續滾動，scrollTop:", scrollTop)
} else if (scrollTop != 0 
 
&& this.lastscrolltop !=0 && scrollTop - this.lastscrolltop == 0) {
        console.log("到底了!")
}

    //判斷手指滑動方向
if(e.touches[0].clientY < this.startClientY){
        this.movedirection = "UP";
    }else if(e.touches[0].clientY > this.startClientY){
        this.movedirection = "DOWN"
 
;
    }else{
        this.movedirection = "CENTER";
    }
    console.log('手指方向:',this.movedirection)
this.startClientY = e.touches[0].clientY;

    //判斷是否滾動到底部
if (scrollTop - this.lastscrolltop > 0) {
        this.lastscrolltop = dom.scrollTop()
console.log("繼續滾動，scrollTop:", scrollTop)
} else if (scrollTop != 0 && this.lastscrolltop !=0 && scrollTop - this.lastscrolltop == 0) {
        console.log("到底了!")；

//這裡做一些事情
}