大家先看看页面效果吧,当当当当```````````````````````

图中第二个选题是小颖点击了"新增选题"按钮,然后出来的,当你点击了"删除选项"或"删除选题"按钮,就会删除相应的选项和选题.

html代码

<template> <div> <div> <template v-for='(subjectIndex,subject) in question'> <div> <label>选题:</label> <label v-if='$index>0' @click='deleteSubjectFun(subjectIndex)'>删除选题</label> </div> <div> <label>标题:</label> <div> <input type="text" placeholder="未填写" v-model='subject.title'> </div> </div> <div> <label>正确答案:</label> <div> <input type="text" placeholder="未填写" readonly="true" v-model='subject.answer'> </div> <span>请在以下选项中,勾选出正确答案</span> </div> <div> <label>分值:</label> <div> <input type="number" min="1" max="100" v-model='subject.score' @keyup='scoreFun(subjectIndex)'> </div> </div> <div> <label>选项:</label> </div> <div> <div> <ul> <template v-for='(opdtIndex,opdt) in subject.optionsData'> <li> <input type="checkbox" v-model='subject.answer' value='{{opdt.id}}'> <div> <input type="text" placeholder="未填写" v-model='opdt.options'> <label v-if='opdtIndex==subject.optionsData.length-1' @click='addNewOptionsFun(subjectIndex,opdtIndex)'>新增选项</label> <label v-if='opdtIndex>0' @click='deleteOptionsFun(subjectIndex,opdtIndex)'>删除选项</label> </div> </li> </template> </ul> </div> </div> <div> <div> <button @click='addNewSubjectFun(subjectIndex)'>新增选题</button> </div> </div> <div></div> </template> <div> <div> <button @click='saveQuestionFun'>提交</button> </div> </div> </div> </div> </template>

js代码

<script> export default { components: { }, props: {}, methods: { // 新增选题 addNewSubjectFun: function(index) { var subjectDataMes = {}; subjectDataMes.id = index+2; subjectDataMes.title = ''; subjectDataMes.answer =[]; subjectDataMes.score = 10; subjectDataMes.optionsData = [{ id: 'A', options: '' }]; this.question.push(subjectDataMes); }, // 判断每个题目的分值不能小于零且不能大于一百 scoreFun:function(index){ if(this.question[index].score<0){ this.question[index].score=10; this.$root.tipStr = '选题"'+this.question[index].title+'"的分值不能小于零'; }else if(this.question[index].score>100){ this.question[index].score=10; this.$root.tipStr = '选题"'+this.question[index].title+'"的分值不能大于一百'; } }, // 删除选题 deleteSubjectFun: function(index) { this.question.splice(index, 1); }, // 新增选项 addNewOptionsFun: function(subjectIndex, opdtIndex) { var optionsDataMes = {}; optionsDataMes.id =String.fromCharCode(64 + (opdtIndex+2)); //将id从数字转换成大写字母. optionsDataMes.options = ''; var subjectDataMes = this.question[subjectIndex].optionsData; subjectDataMes.push(optionsDataMes); }, // 删除选项 deleteOptionsFun: function(subjectIndex, opdtIndex) { var subjectDataMes = this.question[subjectIndex].optionsData; subjectDataMes.splice(opdtIndex, 1); }, saveQuestionFun:function(){ this.question;debugger; } }, ready: function() { }, data() { return { question: [{ id: 1, title: '', answer: [], score:10, optionsData: [{ id: 'A', options: '' }], }], } } } </script>

css代码

<style scoped> .mg1 { padding: 8px 0 0 113px; } .upper-latin { list-style-type: upper-latin; } input.form-control.options-input { display: inline-block; /*width: 499.16px;*/ width: 100%; } .boder { border: 1px solid; background-color: #fff; border-radius: 4px; line-height: 34px; padding: 0 15px; } .blue { color: #2689cd; text-align: center; } label.red { color: #c9302c; } label.remove-pad { /*padding: 10px 20px 10px 15px;*/ line-height: 34px; text-align: left; } .split-line { height: 10px; border-top: 2px dashed #E7E8EC; width: 900px; } .prompting-message { line-height: 34px; } .options-div { margin-left: 26px; margin-top: -25px; padding-bottom: 25px; } </style>

以上所述是小编给大家介绍的Vue.js动态添加、删除选题的实例代码，希望对大家有所帮助，如果大家有任何疑问请给我们留言，小编会及时回复大家的。在此也非常感谢大家对查字典教程网的支持！