vue+vant制作一个做题页面（包含选择题，判断题，填空题，简答题）

亦凉 2024-03-16 16:25 28阅读 0赞

## vue+vant制作一个做题页面（包含选择题，判断题，填空题，简答题） ##

本文讲解如何结合vue+vant制作一个做题页面里面包含选择题，判断题，填空题，简答题，还包含计算成绩的功能。

### 代码讲解 ###

效果展示  
![在这里插入图片描述][7afc21b0684b4c2f8b673ad9aa33eb7f.png]  
![在这里插入图片描述][5b702322e1024fb7848a003bb2c0c4af.png]

![在这里插入图片描述][6130abe2bbe1451ead6da1343bda619a.png]

![在这里插入图片描述][01995ea084814af8923f1001eee76584.png]

完整代码如下：

<template>
    	<div>
    		
    		<van-nav-bar title="题目测试" left-text="返回" left-arrow @click-left="onClickLeft" />
    
    		
    		<van-list v-if="questions.length > 0">
    			<div class="question-card" v-for="(question, index) in questions" :key="question.id">
    				<van-card
    						  :title="index + 1 + '. ' + question.content"
    						  :class="{ 'bg-red': showAnswer[question.id] && selectedAnswers[question.id] !== question.answer }">
    					
    					<template v-if="question.questionType === '选择题'" #desc>
    						<van-radio-group v-model="selectedAnswers[question.id]">
    							<van-radio :name="'A'">A.{
       { question.optionA }}</van-radio>
    							<van-radio :name="'B'">B.{
       { question.optionB }}</van-radio>
    							<van-radio :name="'C'">C.{
       { question.optionC }}</van-radio>
    							<van-radio :name="'D'">D.{
       { question.optionD }}</van-radio>
    						</van-radio-group>
                
            <p class="answer" v-if="question && showAnswer[question.id]">正确答案：<span class="correct">{
       { question.answer }}</span></p>
    					</template>
    
    					<template v-else-if="question.questionType === '判断题'" #desc>
    						<van-radio-group v-model="selectedAnswers[question.id]" :direction="isVertical ? 'vertical' : 'horizontal'">
    							<van-radio :name="'true'">正确</van-radio>
    							<van-radio :name="'false'">错误</van-radio>
    						</van-radio-group>
                
            <p class="answer" v-if="question && showAnswer[question.id]">正确答案：<span class="correct">{
       { question.answer }}</span></p>
    					</template>
    
    					<template v-else-if="question.questionType === '简答题'" #desc>
    						<van-field v-model="selectedAnswers[question.id]" :rows="3" placeholder="请输入简答题答案" />
                
            <p class="answer" v-if="question && showAnswer[question.id]">正确答案：<span class="correct">{
       { question.answer }}</span></p>
    					</template>
    
    					<template v-else-if="question.questionType === '填空题'" #desc>
    						<van-field
    								   v-model="selectedAnswers[question.id]"
    								   label-width="80px"
    								   placeholder="请输入填空题答案">
    							<template #label>请填写答案：</template>
    						</van-field>
                
            <p class="answer" v-if="question && showAnswer[question.id]">正确答案：<span class="correct">{
       { question.answer }}</span></p>
    					</template>        					
    				</van-card>
    			</div>
    		</van-list>
    
    		
    		<van-empty v-else />
    
    		
    		<van-button ref="submitButton" block type="primary" :disabled="isSubmitting" @click="onSubmit">{
       { submitBtnText }}</van-button>
    	</div>
    </template>
    
    <script>
    	import axios from "axios";
    	import {
           showDialog } from 'vant';
    	export default {
          
    	  data() {
          
    	    return {
          
    	      questions: [], // 题目列表
    	      selectedAnswers: {
          }, // 用户选择的答案
    	      showAnswer: {
          }, // 是否显示答案
    	      isVertical: false, // 是否垂直布局选项（主要用于选择题）
    	      currentQuestionIndex: 0, // 当前问题的索引
    	      totalScore: 0, // 总分数
    	      isSubmitting: false, // 是否正在提交答案
    	    };
    	  },
    	  computed: {
          
    	    submitBtnText() {
          
    	      return this.isSubmitting ? '正在提交' : '提交'
    	    }
    	  },
    	  methods: {
          
    	    // 返回按钮点击事件处理函数
    	    onClickLeft() {
          
    	      this.$router.push("/my");
    	    },
    	
    	    // 提交答案的代码
    	    onSubmit() {
          
    	      let totalCount = Object.keys(this.selectedAnswers).length;
    	      let correctCount = 0;
    	      let score = 0;
    	
    	      // 禁用提交按钮
    	      this.isSubmitting = true
    	
    	      // 计算总得分
    	      for (const question of this.questions) {
          
    	        const userAnswer = this.selectedAnswers[question.id];
    	        if (userAnswer === question.answer) {
          
    	          correctCount++;
    	          score += question.score;
    	        }
    	        // 显示正确答案
    	        this.showAnswer[question.id] = true;
    	      }
    	      this.totalScore = score;
    	
    	      // 使用vant-ui组件弹出对话框显示结果
    	  const message = `你选择了 ${ totalCount} 道题，答对了 ${ correctCount} 道题。总得分：${ this.totalScore} 分。`;
    	
    	  showDialog({
          
    	    title: "考试结束啦>_<",
    	    message: message,
    	  }).then(() => {
          
    	    // on close
    	  });
    	
    	  // 禁用提交按钮
    	  this.isSubmitting = true
    	  
    	  // 显示正确答案
    	  for (const question of this.questions) {
          
    	    this.showAnswer[question.id] = true;
    	  }
        // console.log("正确答案集合")
        // for (let i = 0; i < this.questions.length; ++ i){
          
        //   console.log(this.questions[i].answer)
        // }
    
        console.log("用户选择的正确答案集合")
        console.log(this.selectedAnswers)
    	},
    	
    	
    	// 获取问题分数
    	getQuestionScore(questionId) {
          
    	  const userAnswer = this.selectedAnswers[questionId];
    	  const question = this.questions.find((q) => q.id === questionId);
    	  return userAnswer === question.answer ? question.score : 0;
    	},
    	
    	// 显示当前问题
    	showQuestion() {
          
    	  // 获取当前问题
    	  const question = this.questions[this.currentQuestionIndex];
    	
    	  // 根据题目类型渲染问题
    	  switch (question.questionType) {
          
    	    case "选择题":
    	      this.isVertical = false;
    	      break;
    	    case "判断题":
    	      this.isVertical = true;
    	      break;
    	  }
    	
    	  // 显示问题并将提交按钮重新启用
    	  this.$refs.submitButton.disable = false;
    	},
    	},
    	mounted() {
          
    	// 获取题目列表
    	axios
    	.get("http://localhost:8083/questions")
    	.then((res) => {
          
    	this.questions = res.data.data;
    	
    	    // 对问题数据进行按题目类型排序
    	    this.questions.sort((a, b) => {
          
    	      const typeOrder = {
           "选择题": 0, "判断题": 1, "填空题": 2, "简答题": 3 };
    	      return typeOrder[a.questionType] - typeOrder[b.questionType];
    	    });
    	
    	    // 显示第一个问题
    	    this.showQuestion();
    	  })
    	  .catch((error) => {
          
    	    console.log(error);
    	  });
    	},
    	};
    </script>
    
    <style>
    	.answer {
          
    	color: red;
    	margin-bottom: 0;
    	}
    	.correct {
          
    	color: green;
    	}
    </style>

[7afc21b0684b4c2f8b673ad9aa33eb7f.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/16/4af772887db141e2be33f14eb11909d1.png
[5b702322e1024fb7848a003bb2c0c4af.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/16/8bb671de61c44d539a3c7070f8e0e6f2.png
[6130abe2bbe1451ead6da1343bda619a.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/16/acd1a864bd6146ee826086d82defde00.png
[01995ea084814af8923f1001eee76584.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/16/c140a664aca4433f9b83a4606bff38bf.png