微信小程序如何實(shí)現(xiàn)登陸注冊滑塊驗(yàn)證

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具體效果如下

一、創(chuàng)建自定義組件MoveVerify

MoveVerify.js

Component({
  /**
   * 組件的屬性列表
   */
  properties: {
 
  },
 
  /**
   * 組件的初始數(shù)據(jù)
   */
  data: {
    x: 0,
    oldx: 0,
    isOk: false,
    size: {}
  },
  ready(){
    let getSize = (selector) => {
      return new Promise((resolve, reject) => {
        let view = wx.createSelectorQuery().in(this).select(selector);
        view.fields({
          size: true,
        }, (res) => {
          resolve(res.width);
        }).exec();
      });
    }
    getSize("#pathway").then((res1) => {
      this.data.size.pathway = res1;
      getSize("#track").then((res2) => {
        this.data.size.track = res2;
      });
    })
  },
  /**
   * 組件的方法列表
   */
  methods: {
    onChange(e){
      this.setData({
        oldx: e.detail.x
      })
    },
    onEnd(){
      if (this.data.isOk) {
        return;
      }
      if ((this.data.oldx + 1) > (this.data.size.pathway - this.data.size.track)) {
        this.setData({
          isOk:true
        },()=>{
          this.triggerEvent('result');
        });
      } else {
        this.setData({
          x: 0,
          oldx: 0
        })
      }
    }
  }
})

verification-puzzle.json

{
  "component": true,
  "usingComponents": {}
}

verification-puzzle.wxml

<view class='pathway' bindtouchend='onEnd' id='pathway'>
    <view class="tips">
        <text wx:if="{{isOk}}" >驗(yàn)證通過</text>
        <!-- <text wx:else>拖動(dòng)滑塊驗(yàn)證</text> -->
        <text wx:else>請(qǐng)按住滑塊，拖動(dòng)到最右邊</text>
    </view>
    <view class="track" ></view>
    <movable-area>
        <movable-view x="{{x}}"  direction="horizontal" 
            bindchange="onChange"  
            class='{{isOk ? "active":""}}' 
            id="track">
        </movable-view>
    </movable-area>
    <view class="disabled" wx:if="{{isOk}}"></view>
</view>

verification-puzzle.wxss

/* components/MoveVerify.wxss */
.pathway {
  height: 80rpx;
  width: 100%;
  background-color: #7ac23c;
  position: relative;
  overflow: hidden;
}
 
.pathway .tips {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  line-height: 80rpx;
  text-align: center;
  color: #666;
  font-size: 32rpx;
  z-index: 3;
}
 
.pathway .track {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #eee;
  width: 100%;
  height: 100%;
  padding-left: 0;
  box-sizing: content-box;
  transform: translateX(0);
}
 
.pathway movable-area {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background: none;
  z-index: 5;
}
 
.pathway movable-view {
  height: 100%;
  width: 100rpx;
  box-sizing: border-box;
  background-color: #fff;
  border: #ddd solid 1px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: auto 32rpx;
  background-image: url("data:image/png;base64,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");
}
 
.pathway movable-view.active {
  border: #7ac23c solid 1px;
  background-image: url("data:image/png;base64,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");
}
 
.pathway .disabled {
  position: absolute;
  z-index: 10;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
}

二、在index頁面使用

index.wxml

<move-verify bind:result="verificationResult"></move-verify>

index.js

// pages/test/test/test.js
Page({

  /**
   * 頁面的初始數(shù)據(jù)
   */
  data: {},
  verificationResult() {
    console.log("驗(yàn)證通過");
  },
  /**
   * 生命周期函數(shù)--監(jiān)聽頁面加載
   */
  onLoad: function (options) {
    // this.randomVerification()
  },

  /**
   * 生命周期函數(shù)--監(jiān)聽頁面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函數(shù)--監(jiān)聽頁面顯示
   */
  onShow: function () {

  },

  /**
   * 生命周期函數(shù)--監(jiān)聽頁面隱藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函數(shù)--監(jiān)聽頁面卸載
   */
  onUnload: function () {

  },

  /**
   * 頁面相關(guān)事件處理函數(shù)--監(jiān)聽用戶下拉動(dòng)作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 頁面上拉觸底事件的處理函數(shù)
   */
  onReachBottom: function () {

  },

  /**
   * 用戶點(diǎn)擊右上角分享
   */
  onShareAppMessage: function () {

  }
})

index.json

{
  "usingComponents": {
      "move-verify": "/components/MoveVerify/MoveVerify",
    }
}

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