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本文为大家分享了微信小程序实现多选功能的具体代码,供大家参考,具体内容如下
代码:
<!--hotblood_gongkao/pages/answer/answer.wxml--> <!-- content --> <view class='answer-list'> <view class='answer-child'> <text class='answer-title'><text style='margin-right:28rpx;'>{{num + 1}}/{{quesyion.length}}</text>{{question[num][0]}}</text> <view class='answer-options'> <view class="options {{selectIndex[0].sureid" data-index='{{idx}}1' data-text='A' bindtap="{{whether"> <image class="dui {{selectIndex[0].sureid" src='../../images/icon-dui.png' /> <text><text style='margin-right:36rpx;'> A </text>{{question[num][1]}}</text> </view> <view class="options {{selectIndex[1].sureid" data-index='{{idx}}2' data-text='B' bindtap="{{whether"> <image class="dui {{selectIndex[1].sureid" src='../../images/icon-dui.png' /> <text><text style='margin-right:36rpx;'> B </text>{{question[num][2]}}</text> </view> <view class="options {{selectIndex[2].sureid" data-index='{{idx}}3' data-text='C' bindtap="{{whether"> <image class="dui {{selectIndex[2].sureid" src='../../images/icon-dui.png' /> <text><text style='margin-right:36rpx;'> C </text>{{question[num][3]}}</text> </view> <view class="options {{selectIndex[3].sureid" data-index='{{idx}}4' data-text='D' bindtap="{{whether"> <image class="dui {{selectIndex[3].sureid" src='../../images/icon-dui.png' /> <text><text style='margin-right:36rpx;'> D </text>{{question[num][4]}}</text> </view> </view> </view> <view class="answer {{isWan"> <text>正确答案{{question[num][3]}}</text> </view> <view class="subBtn {{isque" bindtap='confirm'> <text>确定</text> </view> <view class="subBtn {{isOne" bindtap='next'> <text>{{con}}</text> </view> <view class="subBtn {{iswancheng" bindtap='submit'> <text>提交答卷</text> </view> </view>
CSS:
/* hotblood_gongkao/pages/answer/answer.wxss */ /* title */ .titleImg{ width: 734rpx; height: 45rpx; position: fixed; top: 0; display: flex; flex-direction: row; align-items: center; left: 50%; background: #fbfbfb; margin-left: -367rpx; z-index: 10; } .titleImg image{ height: 35rpx; width: 100%; } /* end */ page{ height: 100%; width: 100%; background: #fbfbfb; } .isHide{ display: none; } .isShow{ display: block; } .title{ font-size: 34rpx; color: #a6a6a6; margin: 69rpx 0 0 0; display: flex; flex-direction: column; justify-content: center; align-items: center; } .answer-list{ } .answer-child{ width: 672rpx; margin: 0 auto; background: #fff; border-radius: 20rpx; padding-top:34rpx; margin-bottom: 20rpx; margin-top: 72rpx; box-sizing: border-box; box-shadow: 0 0 4rpx #dcdcdc; } .answer-title{ font-size: 32rpx; margin: 0 0 0 52rpx; } .answer-options{ display: flex; flex-direction: column; width: 642rpx; margin: 32rpx auto 0 auto; } .options{ width: 100%; height: 72rpx; line-height: 72rpx; font-size: 32rpx; padding-left: 30rpx; box-sizing: border-box; margin-bottom: 4rpx; position: relative; border: 2rpx solid #fff; } .dui{ position: absolute; height: 41rpx; width: 59rpx; top:50%; margin-top: -20rpx; right: 16rpx; display: none; } .dui2{ display: block!important; } .select{ border: 2rpx solid #4ab07e; box-sizing: border-box; } .submit{ height: 120rpx; width: 100%; background: #4ab07e; color: #fff; font-size: 34rpx; line-height: 120rpx; text-align: center; position: fixed; left: 0; bottom: 0; } /* 正确答案 */ .answer{ width: 100%; text-align: center; color: #ff122f; font-size: 34rpx; font-weight: bold; margin-top: 64rpx; } /* end */ /* 下一题 */ .subBtn{ width: 304rpx; height: 86rpx; background: #4ab07e; color: #fff; font-size: 34rpx; text-align: center; line-height: 86rpx; border-radius: 20rpx; margin: 190rpx auto 0 auto; }
js:
// hotblood_gongkao/pages/answer/answer.js const app = getApp(); Page({ /** * 页面的初始数据 */ data: { question: [ ["今天是个好日子", "halou word", "java", "javascript", 'c#'], ["今天是个好日子", "halou word", "java", "javascript", 'c#'], ], //题库 index: 0, //选择的索引 wrong: [], //错误 border: '', num: 0, con: '下一题', isOne: true, isWan: false, iswancheng: false, isque: false, whether: false, correct: [], //正确 duiList: 0, //答对的个数 cuoList: 0, //答错的个数 selectIndex: [{ sureid: false }, { sureid: false }, { sureid: false }, { sureid: false }, ], }, /** * 生命周期函数--监听页面加载 */ onLoad: function(options) { this.setData({ }) }, /** * 生命周期函数--监听页面初次渲染完成 */ onReady: function() { }, // 提交答卷 submit: function(e) { console.log(this.data.duiList); console.log(this.data.cuoList); var num = this.data.num; //当前题目下标 var question = this.data.question; //题库 var duiList = this.data.duiList; //答对多少题 var cuoList = this.data.cuoList; //答错多少题 //获得题目对象的长度 var arr = Object.keys(question); var len = arr.length; if ((num + 1) == len) { var grade = (100 / len) * duiList; console.log(grade); wx.redirectTo({ url: '../chengjiu/chengjiu?grade=' + grade, }) } }, // 确认选择 confirm: function() { var num = this.data.num; var question = this.data.question; //题库 //获得题目对象的长度 var arr = Object.keys(question); var len = arr.length; if ((num + 1) == len) { this.setData({ iswancheng: true, isOne: true, isWan: true, isque: false }) } else { this.setData({ isOne: false, whether: true, isque: false, isWan: true }) } }, // 下一题 next: function() { var num = this.data.num; //当前题目下标 this.setData({ num: num + 1, isOne: true, isWan: false, whether: false, index: 0 }) }, // 选择答案 selectAnswer: function(e) { console.log(e); var index1 = e.currentTarget.dataset.index - 1; //当前点击元素的自定义数据,这个很关键 var selectIndex = this.data.selectIndex; //取到data里的selectIndex selectIndex[index1].sureid = !selectIndex[index1].sureid; //点击就赋相反的值 console.log(selectIndex[index1]) this.setData({ selectIndex: selectIndex //将已改变属性的json数组更新 }) console.log(this.data.selectIndex.in_array(true)) if (selectIndex.in_array(true) == false) { this.setData({ isque: false }) } else { var question = this.data.question; //题库 var num = this.data.num; //当前题目下标 var text = e.currentTarget.dataset.text; //选择的答案 var duiList = this.data.duiList; //答对多少题 var cuoList = this.data.cuoList; //答错多少题 //获得题目对象的长度 var arr = Object.keys(question); var len = arr.length; //当前答题为最后一题 if ((num + 1) == len) { //判断选择的答案和正确答案是否一致 if (text == question[num][3]) { duiList = duiList + 1; this.setData({ duiList: duiList, isque: true }) } else { cuoList = cuoList + 1; this.setData({ cuoList: cuoList, isque: true }) } } else { //判断选择的答案和正确答案是否一致 if (text == question[num][3]) { duiList = duiList + 1; this.setData({ duiList: duiList, isque: true }) } else { cuoList = cuoList + 1; this.setData({ cuoList: cuoList, isque: true }) } } } }, /** * 生命周期函数--监听页面显示 */ onShow: function() { this.question(); }, /** * 生命周期函数--监听页面隐藏 */ onHide: function() { }, /** * 生命周期函数--监听页面卸载 */ onUnload: function() { }, /** * 页面相关事件处理函数--监听用户下拉动作 */ onPullDownRefresh: function() { }, /** * 页面上拉触底事件的处理函数 */ onReachBottom: function() { }, /** * 用户点击右上角分享 */ onShareAppMessage: function() { } }) Array.prototype.in_array = function(element) { for (var i = 0; i < this.length; i++) { if (this[i].sureid == element) { return true; } } return false; }
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。
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