kd-aiot-frontend-ehs/src/views/safetyExam/paperManagement/question-form.vue

<template>
  <el-form
    ref="form"
    :model="innerValue"
    :rules="rules"
    label-width="100px"
    class="question-form"
    :disabled="isView"
  >
    <el-form-item label="序号：" prop="sort">
      <el-input v-model="innerValue.sort" placeholder="请输入序号" />
    </el-form-item>

    <el-form-item label="试题内容：" prop="content">
      <el-input
        v-model="innerValue.content"
        type="textarea"
        :rows="4"
        placeholder="请输入内容(500字以内)"
      />
    </el-form-item>

    <el-form-item label="试题类型：" prop="type">
      <el-select
        v-model="innerValue.type"
        placeholder="请选择试题类型"
        style="width: 160px"
        @change="handleTypeChange"
      >
        <el-option
          v-for="item in typeOptions"
          :key="item.value"
          :label="item.label"
          :value="item.value"
        />
      </el-select>
      <el-button
        type="primary"
        size="small"
        plain
        style="margin-left: 10px"
        @click="handleUploadImage"
        >上传图片</el-button
      >
      <span class="upload-tip">试题图片上传</span>
    </el-form-item>

    <el-form-item label="专业类别：" prop="category">
      <el-select
        v-model="innerValue.category"
        placeholder="请选择专业类别"
        style="width: 160px"
      >
        <el-option
          v-for="item in categoryOptions"
          :key="item.value"
          :label="item.label"
          :value="item.value"
        />
      </el-select>
    </el-form-item>

    <el-form-item label="试题分数：" prop="score">
      <el-input v-model="innerValue.score" placeholder="请输入试题分数" />
    </el-form-item>

    <!-- 选项 -->
    <el-form-item
      v-if="
        innerValue.type === '1' ||
        innerValue.type === '2' ||
        innerValue.type === '3'
      "
      label="选项："
      prop="options"
    >
      <div class="option-list">
        <div
          v-for="(item, index) in innerValue.options"
          :key="index"
          class="option-item"
        >
          <el-radio
            v-if="innerValue.type === '1' || innerValue.type === '3'"
            v-model="innerValue.rightAnswer"
            :label="item.key"
            class="option-radio"
          />
          <el-checkbox
            v-else
            v-model="innerValue.rightAnswers"
            :label="item.key"
            class="option-checkbox"
          />
          <!-- <span class="option-key">{{ item.key }}</span> -->
          <el-input
            v-model="item.content"
            placeholder="请输入选项(100字以内)"
            class="option-input"
          />
          <el-button
            type="text"
            size="small"
            @click="handleUploadOptionImage(index)"
            >上传图片</el-button
          >
          <el-button
            v-if="innerValue.type !== '3' && innerValue.options.length > 2"
            type="text"
            class="danger-text"
            size="small"
            @click="handleDeleteOption(index)"
            >删除选项</el-button
          >
        </div>
        <el-button
          v-if="innerValue.type !== '3'"
          type="text"
          size="small"
          @click="handleAddOption"
          >+ 添加选项</el-button
        >
      </div>
    </el-form-item>

    <el-form-item label="题目详解：" prop="analysis">
      <el-input
        v-model="innerValue.analysis"
        type="textarea"
        :rows="4"
        placeholder="请输入内容(500字以内)"
      />
    </el-form-item>
  </el-form>
</template>

<script>
  const typeOptions = [
    { label: '单选题', value: '1' },
    { label: '多选题', value: '2' },
    { label: '判断题', value: '3' },
    { label: '问答题', value: '4' }
  ];

  const categoryOptions = [
    { label: '计算机类', value: '1' },
    { label: '安全生产', value: '2' },
    { label: '职业健康', value: '3' },
    { label: '环境保护', value: '4' }
  ];

  export default {
    props: {
      value: {
        type: Object,
        default: () => ({})
      },
      isView: {
        type: Boolean,
        default: false
      }
    },
    data() {
      return {
        typeOptions,
        categoryOptions,
        rules: {
          content: [
            { required: true, message: '请输入试题内容', trigger: 'blur' }
          ],
          type: [
            { required: true, message: '请选择试题类型', trigger: 'change' }
          ],
          category: [
            { required: true, message: '请选择专业类别', trigger: 'change' }
          ],
          score: [
            { required: true, message: '请输入试题分数', trigger: 'blur' }
          ],
          options: [
            {
              validator: (rule, value, callback) => {
                if (this.innerValue.type === '2') {
                  if (!this.innerValue.rightAnswers.length) {
                    callback(new Error('请选择正确答案'));
                    return;
                  }
                } else if (
                  this.innerValue.type === '1' ||
                  this.innerValue.type === '3'
                ) {
                  if (!this.innerValue.rightAnswer) {
                    callback(new Error('请选择正确答案'));
                    return;
                  }
                }
                callback();
              },
              trigger: 'change'
            }
          ]
        }
      };
    },
    computed: {
      innerValue: {
        get() {
          return this.value || {};
        },
        set(val) {
          this.$emit('input', val);
        }
      }
    },
    methods: {
      handleTypeChange(val) {
        if (val === '1' || val === '2') {
          this.innerValue.options = [
            { key: 'A', content: '' },
            { key: 'B', content: '' },
            { key: 'C', content: '' },
            { key: 'D', content: '' }
          ];
          this.innerValue.rightAnswer = '';
          this.innerValue.rightAnswers = [];
        } else if (val === '3') {
          this.innerValue.options = [
            { key: 'A', content: '正确' },
            { key: 'B', content: '错误' }
          ];
          this.innerValue.rightAnswer = '';
          this.innerValue.rightAnswers = [];
        } else if (val === '4') {
          this.innerValue.options = [];
          this.innerValue.rightAnswer = '';
          this.innerValue.rightAnswers = [];
        }
      },
      handleUploadImage() {
        // TODO: 试题图片上传
        this.$message.info('试题图片上传待接入');
      },
      handleUploadOptionImage(index) {
        // TODO: 选项图片上传
        this.$message.info('选项图片上传待接入：' + index);
      },
      handleAddOption() {
        if (this.innerValue.type === '3') {
          this.$message.warning('判断题不能添加选项');
          return;
        }
        const nextKey = String.fromCharCode(
          65 + this.innerValue.options.length
        );
        this.innerValue.options.push({ key: nextKey, content: '' });
      },
      handleDeleteOption(index) {
        if (this.innerValue.type === '3') {
          this.$message.warning('判断题不能删除选项');
          return;
        }
        if (this.innerValue.options.length <= 2) {
          this.$message.warning('至少保留两个选项');
          return;
        }
        this.innerValue.options.splice(index, 1);
        this.innerValue.options.forEach((item, idx) => {
          item.key = String.fromCharCode(65 + idx);
        });
        if (this.innerValue.type === '1') {
          this.innerValue.rightAnswer = '';
        } else {
          this.innerValue.rightAnswers = [];
        }
      },
      validate(callback) {
        this.$refs.form.validate(callback);
      },
      clearValidate() {
        this.$refs.form && this.$refs.form.clearValidate();
      }
    }
  };
</script>

<style lang="scss" scoped>
  .question-form {
    padding-top: 10px;
  }

  .upload-tip {
    color: #909399;
    font-size: 12px;
    margin-left: 10px;
  }

  .option-list {
    .option-item {
      display: flex;
      align-items: center;
      margin-bottom: 10px;

      .option-radio,
      .option-checkbox {
        margin-right: 4px;
      }

      .option-key {
        margin-right: 8px;
        font-weight: bold;
        min-width: 20px;
      }

      .option-input {
        width: 260px;
        margin-right: 10px;
      }
    }
  }

  .danger-text {
    color: #f56c6c;
  }
</style>