Vue+Element UI完成新建调查问卷

先看看效果图：

添加填空题：

 添加单选题、多选题：

对新增的题目可以上移、下移、编辑、删除操作：

 效果大致就是这样，实现代码：

<template>
    <div class="container">
      <el-form ref="form" :model="form" label-width="80px" style="margin-top:15px ;">
        <el-form-item label="标题">
          <el-input v-model="name" style="width:95% ;"></el-input>
        </el-form-item>
        
  
        <!-- 遍历已创建的选项渲染 -->
        <div class="item" v-for="(item, index) in form.itemList" :key="index">
          <el-form-item >
            <div class="item_title">
            <span style="font-size:14px ;color:#666666">{{index+1}}.{{item.problemName}}  </span>
            <span style="font-size: 14px;color:#cccccc">({{typeMap[item.problemType]}})： </span>
          </div>
            <!-- 单项填空 -->
            <div v-if="item.problemType==='填空题'">
              <el-input class="disabled"  disabled></el-input>
            </div>
            <!-- 单选 -->
            <div v-else-if="item.problemType==='单选题'">
              <div class="warp" v-for="(elm, i) in item.problemAnswer" :key="i">
                <el-radio :label="(i+1)+'、'+elm" style="margin-bottom: 10px;"></el-radio>
                <!-- <el-input v-model="item.problemAnswer[i]" disabled></el-input> -->
              </div>
            </div>
            
            <!-- 多选 -->
            <div v-else-if="item.problemType==='多选题'">
              <div class="warp" v-for="(elm, i) in item.problemAnswer" :key="i">
                <el-checkbox :label="(i+1)+'、'+elm" ></el-checkbox>
                <!-- <el-input v-model="item.problemAnswer[i]" disabled></el-input> -->
              </div>
            </div>
  
            <!-- 上移、下移、删除 -->
            <div style="margin-top: 15px;margin-bottom: 20px;" class="editItem">
              <el-tooltip class="item"  effect="dark" content="上移" placement="bottom">
                <i class="el-icon-upload2" @click="handleItem('up', item)" v-if="index!=0" ></i>
              </el-tooltip>
              <el-tooltip class="item"  effect="dark" content="下移" placement="bottom">
                <i class="el-icon-download" @click="handleItem('down', item)" v-show="index!=form.itemList.length-1"></i>
              </el-tooltip>
              <el-tooltip class="item"  effect="dark" content="编辑" placement="bottom">
                <i class="el-icon-edit" @click="edit(item, index)" ></i>
              </el-tooltip>
              <el-tooltip class="item"  effect="dark" content="删除" placement="bottom">
                <i class="el-icon-delete" @click="handleItem('del', item)"  ></i>
              </el-tooltip>
           
            </div>
          </el-form-item>
        </div>
  
        <!-- 添加选项 -->
        <el-form-item>
          <el-button @click="add" style="width:196px;margin-left:35%"><i class="el-icon-plus" style="margin-right: 5px;"></i>添加问题</el-button>
        </el-form-item>
  
        <div style="margin-top:50px;float: right;margin-right: 40px;">
          <el-button type="primary" @click="onSubmit">确认</el-button>
        </div>
        
        <!-- 添加选项弹出框 -->
        <div class="additem">
          <el-dialog
            :title="typeMap[questItem.problemType]"
            :visible.sync="showItem"
            append-to-body
            width="30%">
            <el-radio-group v-model="radioBtn" @change="addType(radioBtn)" style="margin-bottom:15px ;">
                <el-radio-button label="填空题"></el-radio-button>
                <el-radio-button label="单选题"></el-radio-button>
                <el-radio-button label="多选题"></el-radio-button>
            </el-radio-group>
            <el-form-item label="问题">
              <el-input v-model="itemTitle"></el-input>
            </el-form-item>
            <el-form-item label="添加选项" v-show="questItem.problemType != '填空题'">
              <el-input-number v-model="num" @change="handleChange" :min="1" :max="10" style="width:150px ;"></el-input-number>
            </el-form-item>
            <el-form-item label="选项" v-for="(text, i) in itemText" :key="i" v-show="questItem.problemType != '填空题'">
              <el-input v-model="itemText[i]"></el-input>
            </el-form-item>
            <span slot="footer" class="dialog-footer">
              <el-button @click="clearItem" style="background-color:#e4e4e4 ;border-color: #e4e4e4;color: #999;">取 消</el-button>
              <el-button type="primary" @click="determine">确 定</el-button>
            </span>
          </el-dialog>
        </div>
      </el-form>
    </div>
  </template>

<script>
    import {addQuestion} from '@/api/estate/guest/questionnaire'
  export default{
    props:{
    //触发关闭父组件弹窗
    cancelAdd:{
      type: Function,
      default:null
    },
  },
    data(){
      return{
        radioBtn:'填空题',
        value: '',
        matrixsNum: 1,
        num: 1,
        name:'',
        form: {
          itemList: [],
        },
        itemTitle: '',
        itemText: new Array(1),
        questItem: {
          problemType:'填空题'
        },
        showItem: false,
        typeMap: {
          单选题: '单选题',
          多选题: '多选题',
          填空题: '填空题',
        },
        editIndex: ''
      }
    },
    watch: {
      showItem() {
        if(!this.showItem){
          this.clearItem()
        }
      }
    },
    methods: {
      // 创建选项
      add(type){
        this.questItem.problemType = this.radioBtn
        this.showItem = true
      },
      addType(type){
        this.questItem.problemType = type
        this.$forceUpdate();
      },
      // 增加/减少 子选项
      handleChange(val){
        this.itemText.length = val
      },
      // 确定将选项添加进列表中进行渲染
      determine(){
        this.questItem.problemType = this.radioBtn
        if(this.questItem.problemType=='填空题'){
          // 填空
          if(this.itemTitle == ''){
            this.$message('请输入选项的标题内容');
            return
          }
          if(this.editIndex !== '') {
            this.questItem.problemName = this.itemTitle
            this.questItem.problemAnswer = null
            this.form.itemList.splice(this.editIndex, 1, this.questItem)
            this.editIndex = ''
          }else{
            this.questItem.problemName = this.itemTitle;
            this.questItem.problemAnswer = null
            this.form.itemList.push(this.questItem);
          }
          this.clearItem()
        }else if(this.questItem.problemType == '单选题' || this.questItem.problemType == '多选题' ){
          // 单选、多选
          if(this.itemTitle == ''){
            this.$message('请输入选项的标题内容');
            return
          }
          for (var i = 0; i < this.itemText.length; i++){
            if(this.itemText[i] == '' || this.itemText[i] == undefined){
              this.$message('请完整输入每个选项内容');
              return
            }
          }
          if(this.editIndex !== '') {
            this.questItem.problemName = this.itemTitle;
            this.questItem.problemAnswer = this.itemText;
            this.form.itemList.splice(this.editIndex, 1, this.questItem)
            this.editIndex = ''
          }else{
            this.questItem.problemName = this.itemTitle;
            this.questItem.problemAnswer = this.itemText;
            this.form.itemList.push(this.questItem);
          }
         
          this.clearItem()
        }
      },
      // 编辑
      edit(item, editIndex){
        this.radioBtn = item.problemType
        this.editIndex = editIndex
        if(item.problemType !== '填空题'){
          this.num = item.problemAnswer.length
          this.showItem = true
          this.questItem = item
          this.itemTitle = item.problemName
          this.itemText = []
          this.itemText.push(...item.problemAnswer)
        }else{
          this.showItem = true
          this.questItem = item
          this.itemTitle = item.problemName
        }
      },
      // 关闭弹窗，清空数据
      clearItem(){
        this.num = 1
        this.itemTitle = ''
        this.itemText = ['']
        this.questItem = {}
        this.showItem = false
      },
      close(){
        this.form.itemList = []
        this.name = ''
      },
      // 判断上移、下移、删除
      handleItem(val, item){
        switch(val){
          case 'up':
            this.moveUp(item);
          break;
          case 'down':
            this.moveDown(item);
          break;
          case 'del':
            this.delItem(item);
          break;
          default: 
            throw new Error("该操作不存在！")
        }
      },
      // 上移
      moveUp(item){
        let index = this.form.itemList.indexOf(item)
        this.form.itemList.splice(index, 1)
        this.form.itemList.splice(index-1, 0, item)
      },
      // 下移
      moveDown(item){
        let index = this.form.itemList.indexOf(item)
        this.moveUp(this.form.itemList[index+1])
      },
      // 删除
      delItem(item){
        let index = this.form.itemList.indexOf(item)
        this.form.itemList.splice(index, 1)
      },
      // 提交
      onSubmit() {
        this.form.itemList.unshift(
            {
              problemName:this.name,
              problemType:'问卷标题',
              problemAnswer:null
            }
          )
        if(this.name == ''){
          this.$message('请输入标题内容');
          return
        }
        if(this.form.itemList.length == 0){
          this.$message('至少添加一个选项');
          return
        }
        addQuestion(this.form.itemList).then(res=>{
          this.form.itemList = []
          this.cancelAdd()
        })
        console.log(this.form);
      }
    }
  }
  </script>

 <style lang="scss" scoped>
  .warp{
    display: flex;
    align-items: center;
  }
  .disabled{
    background: #F5F7FA;
  }
  input{
    -webkit-appearance: none;
    background-color: #FFF;
    background-image: none;
    border-radius: 4px;
    border: 1px solid #DCDFE6;
    box-sizing: border-box;
    color: #606266;
    font-size: inherit;
    height: 40px;
    line-height: 40px;
    outline: 0;
    padding: 0 15px;
    transition: border-color .2s cubic-bezier(.645,.045,.355,1);
    margin: 10px 0 0;
  }
  .el-radio {
      color: #606266;
      cursor: pointer;
      margin-right: 0;
  }
  .el-radio-button{
    margin-right: 65px;
    width: 106px;
}
::v-deep .el-radio-button--medium .el-radio-button__inner {
    border-radius: 20px;
    border: 1px solid #00477d;
    height: 30px;
    padding-top: 6px;
    width: 160px;
}
::v-deep .el-radio-button__orig-radio:checked + .el-radio-button__inner {
    color: #FFFFFF;
    background-color: #00477d;
    border-color: #00477d;
    -webkit-box-shadow: -1px 0 0 0 #00477d;
    box-shadow: -1px 0 0 0 #00477d;
}
::v-deep .el-dialog{
  border-radius: 15px;
}
::v-deep  .el-dialog__body{
  padding: 10px 15px;
}
.el-input--medium {
    width: 423px;
}
.editItem i{
  font-Size:24px;
  font-weight: bold;
  color:#00477d;
  margin-right:30px ;
  cursor: pointer;
}
  </style>

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