java+vue实现添加单选题、多选题到题库功能

本文为大家分享了java+vue实现添加选择题到题库功能的具体代码，供大家参考，具体内容如下

做个备份

数据库表：

后台接口

@deletemapping("deletequestion")
 @apioperation(value = "删除问题")
 public serverresponse deletequestion(integer id){
 sysquestionmapper.deletebyprimarykey(id);
 sysquestionanswermapper.deletebyquestionid(id);
 return serverresponse.createbysuccess("删除成功");
 }

 @getmapping("getquestionlist")
 @apioperation(value = "获得问题列表")
 public serverresponse getquestionlist(){
 list<sysquestion> list = sysquestionmapper.selectallquestion();
 return serverresponse.createbysuccess(list);
 }

 @getmapping("getquestionanswerlist")
 @apioperation(value = "获得问题选项列表")
 public serverresponse getquestionanswerlist(integer question_id){
 list<sysquestionanswer> list = sysquestionanswermapper.selectbyquestionid(question_id);
 return serverresponse.createbysuccess(list);
 }

 @postmapping("addquestion")
 @apioperation(value = "添加问题")
 public serverresponse addquestion(string question,string[] answerlist,integer[] answer){
 integer type = 1;
 if (answer.length != 1) {
 type = 2;
 }
 string stringanswer = "";
 list<integer> list = arrays.aslist(answer);
 sysquestion sysquestion = new sysquestion();
 sysquestion.setquestionname(question);
 sysquestion.setcreatetime(new date());
 sysquestion.settype(type);
 sysquestionmapper.insert(sysquestion);
 integer question_id = sysquestionmapper.selectlastquestionid();
 for (int i=0;i<answerlist.length;i++){
 sysquestionanswer sysquestionanswer = new sysquestionanswer();
 sysquestionanswer.setanswer(answerlist[i]);
 sysquestionanswer.setquestionid(question_id);
 sysquestionanswermapper.insert(sysquestionanswer);
 integer answer_id = sysquestionanswermapper.selectlastanswerid();
 if (list.contains(i)) {
 stringanswer = stringanswer + "," + answer_id;
 }
 }
 system.out.println(stringanswer);
 stringanswer = stringanswer.substring(1,stringanswer.length());
 system.out.println(stringanswer);
 sysquestion sysquestion1 = sysquestionmapper.selectbyprimarykey(question_id);
 sysquestion1.setanswerid(stringanswer);
 sysquestionmapper.updatebyprimarykey(sysquestion1);
 return serverresponse.createbysuccess("创建成功");
 }

 @postmapping("updatequestion")
 @apioperation(value = "更新问题")
 public serverresponse updatequestion(integer question_id,string question,string[] answerlist,integer[] answer){
 integer type = 1;
 if (answer.length != 1) {
 type = 2;
 }
 string stringanswer = "";
 list<integer> list = arrays.aslist(answer);
 sysquestionanswermapper.deletebyquestionid(question_id);
 for (int i=0;i<answerlist.length;i++){
 sysquestionanswer sysquestionanswer = new sysquestionanswer();
 sysquestionanswer.setanswer(answerlist[i]);
 sysquestionanswer.setquestionid(question_id);
 sysquestionanswermapper.insert(sysquestionanswer);
 integer answer_id = sysquestionanswermapper.selectlastanswerid();
 if (list.contains(i)) {
 stringanswer = stringanswer + "," + answer_id;
 }
 }
 stringanswer = stringanswer.substring(1,stringanswer.length());
 sysquestion sysquestion1 = sysquestionmapper.selectbyprimarykey(question_id);
 sysquestion1.setanswerid(stringanswer);
 sysquestion1.setquestionname(question);
 sysquestion1.settype(type);
 sysquestion1.setupdatetime(new date());
 sysquestionmapper.updatebyprimarykey(sysquestion1);
 return serverresponse.createbysuccess("更新成功");
}

代码中涉及的sql语句

<select id="selectlastquestionid" resulttype="int">
  select max(id) from sys_question
 </select>

 <select id="selectallquestion" resultmap="baseresultmap">
  select * from sys_question order by create_time desc
</select>

<select id="selectbyquestionid" resultmap="baseresultmap">
  select * from sys_question_answer
  where question_id=#{question_id}
 </select>

 <select id="selectlastanswerid" resulttype="int">
  select max(id) from sys_question_answer
 </select>

 <delete id="deletebyquestionid">
  delete from sys_question_answer where question_id=#{question_id}
</delete>

vue页面

<!-- -->
<style lang="scss">
 tr {
 & > td.el-table__expanded-cell {
 font-size: 20px;
 }
 }
 .el-textarea.is-disabled .el-textarea__inner{
 color: #17181a !important;
 }
</style>
<style lang="scss" scoped>
 .shop-container {
 padding: 10px;
 }

 @import url("//unpkg.com/element-ui@2.4.0/lib/theme-chalk/index.css");
 .demo-table-expand {
 font-size: 0;
 }

 .demo-table-expand label {
 width: 90px;
 color: #67c23a;
 }

 .demo-table-expand .el-form-item {
 margin-right: 0;
 margin-bottom: 0;
 width: 100%;
 }

 .el-dialog {
 width: 50% !important;
 }
 .el-form-item {
 float: none!important;
 }
</style>
<template>
 <div class="product-container" v-loading.fullscreen.lock=fullscreenloading>
 <div style="margin-top:10px;width: 100%">
 <div style="width: 20%;display:inline;float:right">
 <el-button @click="flag = 0, dialogformvisible = true, text = '添加'" type="primary" round>添加</el-button>
 </div>
 </div>

 <el-dialog v-dialogdrag :title="text" :visible.sync="dialogformvisible" :modal-append-to-body='false'>
 <el-form :model="dynamicvalidateform" ref="dynamicvalidateform" label-width="100px" class="demo-dynamic">
 <el-form-item prop="question" label="问题" :rules="{
 required: true, message: '问题不能为空', trigger: 'blur'
 }">
 <el-input v-model="dynamicvalidateform.question"></el-input>
 </el-form-item>
 <el-form-item v-for="(domain, index) in dynamicvalidateform.domains" :label="'选项' + (index + 1)" :key="domain.key" :prop="'domains.' + index + '.value'" :rules="{
 required: true, message: '选项不能为空', trigger: 'blur'
 }">
 <el-input v-model="domain.value"></el-input><el-button @click.prevent="removedomain(domain)">删除</el-button>
 </el-form-item>
 <el-form-item label="答案">
 <el-select v-model="value" multiple placeholder="请选择">
 <el-option
 v-for="(domain, index) in dynamicvalidateform.domains"
 :key="domain.key"
 :label="'选项' + (index + 1)"
 :value="index">
 </el-option>
 </el-select>
 </el-form-item>

 <el-form-item>
 <el-button type="primary" @click="submitform('dynamicvalidateform')">提交</el-button>
 <el-button @click="adddomain">新增选项</el-button>
 <el-button @click="resetform('dynamicvalidateform')">清空</el-button>
 </el-form-item>
 </el-form>
 </el-dialog>

 <el-table max-height="600" highlight-current-row header-align="center" align="center"
 :data="tabledata.slice((currentpage-1)*pagesize,currentpage*pagesize)" stripe style=" width: 100%"
 :default-sort="{prop: 'id',order: 'descending'}">
 <el-table-column label="问题" align="center" min-width="180px">
 <template slot-scope="scope">
 <el-input type="textarea" :disabled="true" style="font-size: 16px"
 :rows="2"
 placeholder="请输入内容"
 v-model="scope.row.questionname">
 </el-input>
 </template>
 </el-table-column>
 <el-table-column label="创建时间" prop="createtime" align="center" min-width="120px">
 </el-table-column>
 <el-table-column label="操作" align="center" min-width="250px" fixed="right">
 <template slot-scope="scope">
 <el-button @click="updatequestion(scope.row.id,scope.row.questionname,scope.row.answerid)" size="mini" type="primary">更新
 </el-button>
 <el-button @click="deletequestion(scope.row.id)" size="mini" type="danger">删除
 </el-button>
 </template>
 </el-table-column>
 </el-table>
 <div align="center">
 <el-pagination
 @size-change="handlesizechange"
 @current-change="handlecurrentchange"
 :current-page="currentpage"
 :page-sizes="[10, 20, 50, 100]"
 :page-size="pagesize"
 layout="total, sizes, prev, pager, next, jumper"
 :total="tabledata.length">
 </el-pagination>
 </div>
 </div>
</template>
<script>
 import img_404 from '@/assets/404_images/image404.png'
 import { mapstate, mapgetters } from 'vuex'
 import { getquestionlist, getquestionanswerlist, addquestion, updatequestion, deletequestion } from '@/api/question'
 export default {
 data() {
 return {
 text: '',
 question_id: '',
 flag: 0,
 value: [],
 dynamicvalidateform: {
 domains: [{
 value: ''
 }],
 question: ''
 },
 templateselection: '',
 total: null,
 dialogformvisible: false,
 fullscreenloading: false,
 img_404,
 tabledata: [],
 currentpage: 1,
 pagesize: 10
 }
 },

 watch: {},

 components: {},

 computed: {
 ...mapstate({
 userinfo: state => state.user.userinfo
 }),
 ...mapgetters([
 'orderlistdata'
 ])
 },

 methods: {
 deletequestion(id) {
 new promise((resolve, reject) => {
 deletequestion(id).then(res => {
 this.$message.info('删除成功')
 this.initdata()
 resolve(res)
 }).catch(err => {
 reject(err)
 })
 })
 },
 updatequestion(id, question, answerid) {
 this.value = []
 this.question_id = id
 this.flag = 1
 this.text = '修改'
 this.dynamicvalidateform.question = question
 const answer = answerid.split(',').map(number)
 new promise((resolve, reject) => {
 getquestionanswerlist(id).then(res => {
 console.log(res)
 this.dynamicvalidateform.domains = []
 for (let i = 0; i < res.data.data.length; i++) {
 if (answer.indexof(res.data.data[i].id) !== -1) {
 this.value.push(i)
 }
 this.dynamicvalidateform.domains.push({
 value: res.data.data[i].answer
 })
 }
 resolve(res)
 }).catch(err => {
 reject(err)
 })
 })
 this.dialogformvisible = true
 },
 submitform(formname) {
 console.log(this.value)
 if (this.value.length === 0) {
 this.$message.warning('答案不能为空')
 return
 }
 this.$refs[formname].validate((valid) => {
 if (valid) {
 const answerlist = []
 for (let i = 0; i < this.dynamicvalidateform.domains.length; i++) {
 answerlist.push(this.dynamicvalidateform.domains[i].value)
 }
 if (this.flag === 0) {
 const fromdata = {
 question: this.dynamicvalidateform.question,
 answerlist: answerlist,
 answer: this.value
 }
 new promise((resolve, reject) => {
 this.fullscreenloading = false
 addquestion(fromdata).then(res => {
 this.$message.success('添加成功')
 this.initdata()
 resolve(res)
 }).catch(err => {
 reject(err)
 })
 })
 } else {
 const fromdata = {
 question: this.dynamicvalidateform.question,
 answerlist: answerlist,
 answer: this.value,
 question_id: this.question_id
 }
 new promise((resolve, reject) => {
 this.fullscreenloading = false
 updatequestion(fromdata).then(res => {
 this.$message.success('修改成功')
 resolve(res)
 }).catch(err => {
 reject(err)
 })
 })
 }
 } else {
 console.log('error submit!!')
 return false
 }
 })
 },
 resetform(formname) {
 this.$refs[formname].resetfields()
 },
 removedomain(item) {
 this.value = []
 const index = this.dynamicvalidateform.domains.indexof(item)
 if (index !== -1) {
 this.dynamicvalidateform.domains.splice(index, 1)
 }
 },
 adddomain() {
 this.dynamicvalidateform.domains.push({
 value: '',
 key: date.now()
 })
 },
 submit(id) {
 this.newform.opinion = ''
 this.newform.id = id
 this.dialogformvisible = true
 },
 timestamptotime(timestamp) {
 var date = new date(timestamp)
 const y = date.getfullyear() + '-'
 const m = (date.getmonth() + 1 < 10 ? '0' + (date.getmonth() + 1) : date.getmonth() + 1) + '-'
 const d = date.getdate() + ' '
 const h = date.gethours() + ':'
 const m = date.getminutes() + ':'
 const s = date.getseconds()
 return y + m + d + h + m + s
 },
 handlesizechange: function(size) {
 this.pagesize = size
 },
 handlecurrentchange: function(currentpage) {
 this.currentpage = currentpage
 },
 async initdata() {
 this.fullscreenloading = true
 new promise((resolve, reject) => {
 this.fullscreenloading = false
 getquestionlist().then(res => {
 this.setdata(res)
 resolve(res)
 }).catch(err => {
 reject(err)
 })
 })
 },
 setdata(res) {
 console.log(res)
 this.tabledata = []
 this.tabledata = res.data.data
 for (var i = 0; i < this.tabledata.length; i++) {
 this.tabledata[i].createtime = this.timestamptotime(this.tabledata[i].createtime)
 }
 }
 },

 mounted: function() {
 this.initdata()
 }
 }

</script>
<style lang="scss" scoped>


</style>

实现效果：

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服务器之家。