adjustStart1 (e) {

      e.preventDefault()

      let event = e.touches

      if (event.length === 2) {

        this.styles = 'transform: scale(2)'

      }

    },

    // 调整开始

    adjustStart (e) {

      let event = e.touches

      this.fingerA.startX = event[0].pageX

      this.fingerA.startY = event[0].pageY

      // 移动

      if (event.length === 1) {

        this.isDrag = true

        this.isScale = false

        // 缩放

      } else if (event.length === 2) {

        this.isScale = true

        this.isDrag = false

        this.fingerB.startX = event[1].pageX

        this.fingerB.startY = event[1].pageY

      }

    },

    // 调整中，移动或缩放

    adjustIng (e) {

      let event = e.touches

      this.fingerA.endX = event[0].pageX

      this.fingerA.endY = event[0].pageY

      // 移动

      if (this.isDrag) {

        // 本次移动距离要加上之前移动的距离

        this.move.x = this.fingerA.endX - this.fingerA.startX + this.move.temX

        this.move.y = this.fingerA.endY - this.fingerA.startY + this.move.temY

        this.styles = `transform: translate(${this.move.x}px,${this.move.y}px) scale(${this.move.scale})`

      } else if (this.isScale) {

        // 缩放

        this.fingerB.endX = event[1].pageX

        this.fingerB.endY = event[1].pageY

        // 两手指间距离

        let distanceStart = Math.sqrt(

          Math.pow(this.fingerA.startX - this.fingerB.startX, 2) + Math.pow(this.fingerA.startY - this.fingerB.startY, 2)

        )

        let distanceEnd = Math.sqrt(

          Math.pow(this.fingerA.endX - this.fingerB.endX, 2) + Math.pow(this.fingerA.endY - this.fingerB.endY, 2)

        )

        this.move.scale = (distanceEnd / distanceStart) * this.move.temScale

        // 向量叉乘，求出旋转方向及角度

        // 开始两个手指的向量

        var vector1 = new this.Vector(

          this.fingerA.startX,

          this.fingerA.startY,

          this.fingerB.startX,

          this.fingerB.startY

        )

        // 结束时两个手指的向量

        var vector2 = new this.Vector(

          this.fingerA.endX,

          this.fingerA.endY,

          this.fingerB.endX,

          this.fingerB.endY

        )

        var cos = this.calculateVM(vector1, vector2)

        var angle = (Math.acos(cos) * 180) / Math.PI

        var direction = this.calculateVC(vector1, vector2)

        this.move.allDeg = direction * angle + this.move.temDeg

        this.styles = `transform: translate(${this.move.x}px,${this.move.y}px) scale(${this.move.scale})`

      }

    },

    // 调整结束

    adjustEnd (e) {

      this.move.temX = this.move.x

      this.move.temY = this.move.y

      this.move.temScale = this.move.scale

      this.move.temDeg = this.move.allDeg

      this.isDrag = false

      this.isScale = false

    },

    calculateVM (vector1, vector2) {

      return (

        (vector1.x * vector2.x + vector1.y * vector2.y) /

        (Math.sqrt(vector1.x * vector1.x + vector1.y * vector1.y) *

          Math.sqrt(vector2.x * vector2.x + vector2.y * vector2.y))

      )

    },

    calculateVC (vector1, vector2) {

      return vector1.x * vector2.y - vector2.x * vector1.y > 0 ? 1 : -1

    },

    Vector (x1, y1, x2, y2) {

      this.x = x2 - x1

      this.y = y2 - y1

    }

<div :style="styles" @touchstart.stop="adjustStart($event)" @touchmove.stop="adjustIng" @touchend.stop="adjustEnd"></div>

　　　isScale: false,

     isDrag: false,

     styles: '',

      actived: 1,

      value1: '',

      limitHourValue: '',

      hourList: ['11', '12', '13', '14', '17', '18', '19', '20', '21'],

      // 手指A

      fingerA: {

        startX: 0,

        startY: 0,

        endX: 0,

        endY: 0

      },

      // 手指B

      fingerB: {

        startX: 0,

        startY: 0,

        endX: 0,

        endY: 0

      },

      // 调整数据

      move: {

        x: 0,

        y: 0,

        temX: 0,

        temY: 0,

        scale: 1,

        temScale: 1,

        allDeg: 0,

        temDeg: 0

      },

      // 默认样式

      imgPosition: {

        left: 0,

        top: 0,

        width: 0,

        height: 0

      }