baoman / Ezquiz_Platform

  <template>
    <div class="page-content" v-loading="queryLoading">
      <div class="page-title">

        <span class="default-title"
          >错题组卷
          <span class="font-weight size" style="color: #666666"
            >（暂仅包含即时测内使用"导入的试卷"测验后产生的错题，不包含授课端截屏保存的错题）</span
          ></span
        >
  

        <div>
          <el-select
            v-model="formData.grade"
            placeholder=""
            style="width: 100px"
            @change="changeGrade"
          >
            <el-option
              v-for="item in gradeList"
              :key="item.grade"
              :label="item.gradeName"
              :value="item.grade"
            >
            </el-option>
          </el-select>
          <el-select
            @change="changeSubject"
            v-model="formData.subjectName"
            placeholder=""

            style="width: 120px; margin-left: 10px"

          >
            <el-option
              v-for="(item, index) in subjectList"
              :key="index"
              :label="item.toString()"
              :value="item"
            >
            </el-option>
          </el-select>
        </div>
      </div>
      <div class="info">
        <div class="box-search page-padding">
          <el-row :gutter="20">
            <el-col class="col-margin" :span="24"
              ><span style="font-weight: 600">班级：</span>
              <div
                @click="handleClass(item.classId)"
                class="select-box"
                :class="item.classId === formData.classId ? 'Selected' : ''"
                v-for="(item, index) in classList"
                :key="index"
              >
                {{ item.className }}
              </div>
            </el-col>
            <el-col class="col-margin" :span="12">

              <span style="font-weight: 600; white-space: nowrap">时间：</span>

              <el-date-picker

                :clearable="false"

                value-format="yyyy-MM-dd"
                class="filter-datePicker"
                v-model="formData.dateRange"
                type="daterange"
                range-separator="-"
              >
              </el-date-picker>
              <div
                @click="handleDate(item.type)"
                class="select-box"
                :class="item.type === formData.type ? 'Selected' : ''"
                v-for="(item, index) in dateList"
                :key="index"
              >
                {{ item.name }}
              </div>
            </el-col>
            <el-col class="col-margin" :span="8">
              <span style="font-weight: 600">得分率：</span>

              <div style="font-size: 16px !important">

                <el-input
                  v-model="formData.startScoreRate"
                  type="number"
                  :min="minValue"
                  :max="maxValue"
                  @change="startValidateInput(formData.startScoreRate)"
                  placeholder="请输入一个数字"
                  style="width: 70px; margin-right: 4px"
                ></el-input
                >% ~
                <el-input
                  v-model="formData.endScoreRate"
                  type="number"
                  :min="minValue"
                  :max="maxValue"
                  @change="endValidateInput(formData.endScoreRate)"
                  placeholder="请输入一个数字"
                  style="width: 70px; margin-right: 4px"
                ></el-input>
                %
              </div>
            </el-col>

            <el-col class="col-margin" :span="7"
              ><span style="font-weight: 600; white-space: nowrap">题型：</span>

              <div
                @click="handleQuestion(item.value)"
                class="select-box"
                :class="item.value === formData.questionType ? 'Selected' : ''"
                v-for="(item, index) in questionList"
                :key="index"
              >
                {{ item.label }}
              </div></el-col
            >

            <el-col class="col-margin" :span="2"

              ><el-button
                @click="handleSearch"
                style="background: #6b73f5"
                type="primary"

                >筛选错题</el-button
              ></el-col
            >
          </el-row>
        </div>
        <div class="box-info">
          <div class="box-info-title">
            错题列表
            <span
              >(共<span style="color: #000000; padding: 0 3px">{{
                this.listPage.total
              }}</span
              >道题)</span
            >
          </div>

          <div
            style="text-align: center; line-height: 400px"
            v-if="topicList.length < 1"
          >
            筛选条件下，暂无题目
          </div>

          <div class="topic" v-for="(item, index) in topicList" :key="index">
            <div class="topic-title">
              <div style="display: flex">
                <div style="display: flex; align-items: center">

                  <span class="size font-weight">
                    第 {{ item.questionIndex }} 题
                  </span>

                  <div

                    class="select-box Selected size font-weight"

                    style="padding: 3px 5px; margin-right: 20px"
                  >
                    {{
                      questionList.find(
                        (subItem) => subItem.value == item.questionType
                      ).label
                    }}
                  </div>
                </div>
                <div>
                  <span class="color size"> 得分率： </span>

                  <span class="score-color size"
                    >{{ formatNumber(item.scoreRate) }}%</span
                  >

                  <span class="size font-weight"
                    >({{ item.joinClassNames }})</span
                  >

                </div>
              </div>
              <div>

                <span class="color size font-weight">来自试卷：</span
                ><span class="size font-weight">{{ item.paperName }}</span>
                <span class="color size font-weight" style="margin-left: 20px"

                  >测试时间：</span

                ><span class="size font-weight">{{ item.testTime }}</span>

              </div>
            </div>
  
            <iframe

              :src="item.screenshot"

              :ref="'iframe' + index"

              style="width: 100%; border: none; padding: 0 0 0 10px"

              @load="onIFrameLoad(index)"

            />
            <!-- <div class="topic-info" v-html="item.modifiedHtml"></div> -->
            <div class="topic-bottom">

              <div style="padding-left: 20px">

                <span
                  v-if="item.answerScreenshot"

                  class="knowledge size font-weight"

                  @click="handleAnalysis(item.answerScreenshot)"

                  ><i class="el-icon-key"></i>查看解析</span
                >

                <span class="color size font-weight">知识点：</span>
                <span v-if="item.knowledge" class="size">{{
                  item.knowledge
                }}</span>
                <span v-else class="size color font-weight">未标注</span>

              </div>
              <el-button

                style="margin-right: 20px"

                v-if="!questions.some((obj) => item.id === obj.id)"

                class="button"
                type="primary"
                @click="handleAddTest(item)"
                >加入试卷</el-button
              >
              <el-button
                v-else
                plain

                style="padding: 5px 10px; margin-right: 20px"

                @click="handleDel(item)"

                >移出试卷</el-button

              >
            </div>
          </div>
        </div>
      </div>
      <div class="paging">
        <div></div>
        <el-pagination
          @current-change="pageSizeChange"
          background
          layout="prev, pager, next"
          :page-size="listPage.size"
          :current-page="listPage.page"
          :total="listPage.total"
        >
        </el-pagination>
  
        <el-button
          class="button button-size"
          type="primary"
          v-if="
            !arraysEqual(
              topicList.map((item) => item.id),

              questions.map((item) => item.id)

            )
          "

          style="margin-right: 20px"

          @click="handleAllTest()"
          >全选本页</el-button
        >
        <el-button
          @click="handleDelTest()"
          class="button-size"
          v-else
          plain

          style="padding: 5px 10px; margin-right: 20px"

          >移出本页</el-button

        >
      </div>
      <div class="shopping" @click="handleShop">
        <div class="shopping-select">{{ questions.length }}</div>
        <i class="el-icon-shopping-cart-full" style="padding: 5px 0 0 0"></i>
        <div>
          <div class="size">试</div>
          <div class="size">题</div>
          <div class="size">篮</div>
        </div>
      </div>
      <wrongQuestionDialog
        :visible.sync="visible"

        :list="questions"

        :subjectName="formData.subjectName"

        :sectionId="formData.sectionId"
        :gradeId="formData.grade"
        @setQuestions="setQuestions"

        :userId="userId"

      />

      <analysisDialog
        :visible.sync="analysisVisible"
        :analysisUrl="analysisUrl"
      />

    </div>
  </template>

  
  <script>

  import { setDateRules, getKnowledge } from "@/utils";

  import wrongQuestionDialog from "./components/wrongQuestionDialog.vue";

  import analysisDialog from "./components/analysisDialog.vue";

  export default {
    components: {
      wrongQuestionDialog,

      analysisDialog,

    },
    data() {
      return {
        loading: false,
        minValue: 0, // 最小值
        maxValue: 100, // 最大值
        visible: false, // 购物车弹框控制
        queryLoading: false, //loading

        analysisUrl: null, // 解析url
        analysisVisible: false, // 解析弹框

        // 分页
        listPage: {
          page: 1,
          size: 10,
          total: 0,
        },
        // 科目搜索
        subjectList: [],
        // 年级
        gradeList: [],
  
        // 班级选择
        classList: [],
        // 时间选择
        dateList: [

          { type: "onWeek", name: "本周" },

          { type: "onMonth", name: "本月" },

          { type: "term", name: "本学期" },
        ],
        // 题型选择
        questionList: [
          { label: "全部", value: null },
          { label: "单选", value: 2 },
          { label: "多选", value: 3 },
          { label: "判断", value: 4 },
          { label: "主观", value: 5 },
        ],
        // 题目列表
        topicList: [],
        // 搜索内容
        formData: {
          classId: 1, // 班级选中
          // type: "onDay", // 时间类型

          type: "onWeek", // 时间类型

          dateRange: ["2022-03-01", "2023-05-01"], // 开始结束时间
          startScoreRate: 0, // 开始区间

          endScoreRate: 60, // 结束区间

          questionType: null, // 题型
          subjectName: null, // 科目
          grade: null, // 年级
          gradeName: null, // 年级名称
        },

        userId: "",

        questions: [],

      };
    },
    created() {

      let user = JSON.parse(localStorage.getItem("info"));
      this.userId = user.uid;

      this.handleDate(this.formData.type);
      this.queryLoading = true;
      this.getGradeList();

      if (!localStorage.getItem(this.userId + "testlist")) {
        localStorage.setItem(
          this.userId + "testlist",
          JSON.stringify(this.questions)
        );

      } else {

        this.questions = JSON.parse(
          localStorage.getItem(this.userId + "testlist")
        );

      }

    },
    methods: {
      async loadAndModifyHTML(array) {
        let list = array;
        for (let item of list) {
          try {
            // 使用 fetch 获取 HTML 内容
            const response = await fetch(item.screenshot);
            const htmlContent = await response.text();
            // 创建一个临时的 DOM 节点，方便操作 HTML 内容
            const parser = new DOMParser();
            const doc = parser.parseFromString(htmlContent, "text/html");
  
            // // 修改 HTML 内容，例如删除第一个 <p> 标签
            const firstP = doc.querySelector("p");
            // if (firstP) {
            //   firstP.remove(); // 删除第一个 <p> 标签
            // }
  
            // 或者修改第一个 < p > 标签的内容;
            // if (firstP) {
            //   // console.log(firstP.innerHTML);
  
            //   let a = this.processString(firstP.innerHTML);
  
            //   firstP.innerHTML = a;
            //   // console.log(firstP.textContent);
            // }
  
            // 更新列表中的对象，保存修改后的 HTML
            item.modifiedHtml = doc.documentElement.outerHTML; // 或者将 doc.body.innerHTML 保存到 item 中
          } catch (error) {
            console.error(
              `Error fetching or modifying HTML for item ${item.id}:`,
              error
            );
          }
        }
        return list;
      },
      // 获取列表

      async getList(type) {
        if (type) {
          this.listPage.page = 1;
        }

        let param = {
          ...this.listPage,
          ...this.formData,

          startScoreRate: this.formData.startScoreRate.toString(),
          endScoreRate: this.formData.endScoreRate.toString(),

          startDate: this.formData.dateRange[0],
          endDate: this.formData.dateRange[1],
        };
        let data = await this.$request.getWrongQuestionList(param);
        this.queryLoading = false;

        this.topicList = data.data.records.map((item) => {
          return { ...item, knowledge: getKnowledge(item.knowledge) };
        });

        this.listPage.total = data.data.total;
        // this.topicList = await this.loadAndModifyHTML(data.data.records);
      },
      pageSizeChange(value) {
        this.listPage.page = value;

        this.getList();

      },
  

      // 班级选中
      handleClass(id) {
        this.formData.classId = id;
      },
  
      // 题型选中
  
      handleQuestion(id) {
        this.formData.questionType = id;
      },
      // 时间选中
      handleDate(type) {
        this.formData.type = type;
        let params = setDateRules(type);
        this.formData.dateRange = [params.startDay, params.endDay];
      },
  
      // 输入不超过100
      startValidateInput(value) {
        if (value < this.minValue) {
          this.formData.startScoreRate = this.minValue; // 修正值
        }

        if (value > this.formData.endScoreRate) {
          this.formData.startScoreRate = this.formData.endScoreRate;
        }

        if (!value) {
          this.formData.startScoreRate = 0;
        }

      },
      // 输入不超过100
      endValidateInput(value) {
        if (value < this.minValue) {
          this.formData.endScoreRate = this.minValue; // 修正值
        }

        if (value < this.formData.startScoreRate) {
          this.formData.endScoreRate = this.formData.startScoreRate;
        }

        if (value > this.maxValue) {
          this.formData.endScoreRate = this.maxValue; // 修正值
        }

        if (!value) {
          this.formData.endScoreRate = 0;
        }

      },
  
      // 搜索按钮
      handleSearch() {
        this.queryLoading = true;

        this.getList("type");

      },
  
      // 加入试卷
      handleAddTest(item) {

        // if (this.questions.includes(item.id)) return;
        if (this.questions.some((obj) => obj.id === item.id)) return;

        this.questions =
          JSON.parse(localStorage.getItem(this.userId + "testlist")) || [];

        this.questions.push(item);

        localStorage.setItem(
          this.userId + "testlist",
          JSON.stringify(this.questions)
        );

      },
      // 移除试卷
      handleDel(item) {

        let _index = this.questions.findIndex((obj) => obj.id === item.id);

        if (_index !== -1) {
          this.questions.splice(_index, 1); // 从索引位置删除一个元素

          localStorage.setItem(
            this.userId + "testlist",
            JSON.stringify(this.questions)
          );

        }
      },
      // 全部选中
      handleAllTest() {
        // 获取原来的localStorage

        let list =
          JSON.parse(localStorage.getItem(this.userId + "testlist")) || [];

  
        let ids = this.topicList.map((item) => {

          return item;

        });

        this.questions = this.removeDuplicates([...ids, ...list]);

        localStorage.setItem(
          this.userId + "testlist",
          JSON.stringify(this.questions)
        );

      },
      // 全部删除
      handleDelTest() {

        let list = this.removeMatchingValues(this.topicList, this.questions);

        this.questions = list;

        localStorage.setItem(
          this.userId + "testlist",
          JSON.stringify(this.questions)
        );

      },
      // 重置 去除locastorage 以及 questions
      handleRest() {
        this.questions = [];

        localStorage.setItem(
          this.userId + "testlist",
          JSON.stringify(this.questions)
        );

      },
      // 去重
      removeDuplicates(arr) {

        const seen = new Set();
        return arr.filter((item) => {
          if (!seen.has(item.id)) {
            seen.add(item.id);
            return true;
          }
          return false;
        });

      },
      // 去除第二数组中存在第一数组中的值
      removeMatchingValues(arr1, arr2) {

        const arr1Ids = arr1.map((item) => item.id);
        const res = arr2.filter((item) => !arr1Ids.includes(item.id));

        return res;

      },
  
      // 判断第一个数组在第二个种是否全部存在
      arraysEqual(arr1, arr2) {
        // 将第二个数组转为 Set
        const valuesSet = new Set(arr2);
  
        // 判断第一个数组中的值是否都在 Set 中
        return arr1.every((value) => valuesSet.has(value));
      },
  
      // 购物车触发弹框
      handleShop() {

        this.visible = true;

      },
  
      // 获取科目列表
      async getSubject(params) {

        let data = await this.$request.getSubjectList(params);

        this.subjectList = data.data.subjectNames;

        this.formData.subjectName = this.subjectList[0];
        this.getClassList();
      },
      // 获取年级列表
      async getGradeList() {
        let data = await this.$request.getClassList();

        this.gradeList = Array.from(

          new Map(data.data.list.map((item) => [item.grade, item])).values()

        );

        this.formData.grade = this.gradeList[0].grade;

        this.formData.sectionId = this.gradeList[0].section;

        this.formData.gradeName = this.gradeList.find(
          (itme) => itme.grade == this.formData.grade
        ).gradeName;
        this.getSubject({ gradeName: this.formData.gradeName });
      },
      // 获取班级信息
      async getClassList() {

        let data = await this.$request.getGradeList({

          grade: this.formData.grade,
          subjectName: this.formData.subjectName,
        });
        this.classList = [
          { className: "全部", classId: null },

          ...data.data.map((item) => {
            return { className: item.className, classId: item.id };
          }),

        ];
        this.formData.classId = null;

        this.getList("type");

      },
  
      // 年级改变

      changeGrade(value) {
        let item = this.gradeList.find((subItem) => subItem.grade == value);
        this.formData.sectionId = item.section;
        this.formData.gradeName = item.gradeName;

        this.queryLoading = true;

        this.getSubject({ gradeName: this.formData.gradeName });

      },
      // 科目改变
      changeSubject() {
        this.queryLoading = true;
        this.getClassList();
      },
      processString(input) {

        const match = input.match(/^(\d{1,3})/);
        if (match) {
          const matchLength = match[0].length;
          input = input.substring(matchLength + 1).trim();

        }

        // 使用正则表达式匹配并处理输入字符串

        input = input.replace(/[0-9]+[.)．]/, "");

        input = input.replace(/（\d+(\.\d+)?分）/g, "");
        return input.trim();

      },

  
      // 获取ref
      onIFrameLoad(index) {

        // const iframeRef = this.$refs["iframe" + index][0]; // 获取对应的 iframe
        // const doc = iframeRef.contentDocument || iframeRef.contentWindow.document;
        // const body = iframeRef.contentWindow.document.body;
        // body.style.overflowX = "hidden"; // 不允许出现横向滚动条
        // const height = body.offsetHeight; // 获取内容的高度
        // // console.log("body.offsetHeight:", body.offsetHeight);
        // // console.log("body.clientHeight:", body.clientHeight);
        // // console.log("body.scrollHeight:", body.scrollHeight);
        // iframeRef.style.height = `${height + 20}px`; // 设置 iframe 的高度
        // // 获取第一个P标签
        // const firstP = doc.getElementsByTagName("p")[0];
        // // 或者修改第一个 < p > 标签的内容;
        // if (firstP) {
        //   let a = this.processString(firstP.innerHTML);
        //   firstP.innerHTML = a;
        // }

      },
  
      // 子集删除后 父级需要更新
      setQuestions() {

        this.questions =
          JSON.parse(localStorage.getItem(this.userId + "testlist")) || [];

      },

  
      //  查看解析
      handleAnalysis(url) {
        this.analysisUrl = url;
        this.analysisVisible = true;
      },

  
      // 保留两位小数
      formatNumber(num) {
        // 检查是否是数字
        if (typeof num !== "number") {
          throw new Error("输入必须是数字");
        }
  
        // 检查小数位数
        const parts = num.toString().split(".");
        if (parts.length === 2 && parts[1].length > 2) {
          // 如果小数部分超过两位，保留两位小数

          return Math.round(num * 100) / 100;

        } else {
          // 否则返回原数据
          return num;
        }
      },

    },
  };
  </script>

  
  <style lang="scss" scoped>

  .page-content {
    box-sizing: border-box;
    padding: 0 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #f5f6fa;
    font-size: 14px;
    color: #000000;
    position: relative;
    .page-title {
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
    }
    .info {
      flex: 1;
      overflow: auto;
      display: flex;
      flex-direction: column;
      .box-search {
        background: #ffffff;
        border-radius: 5px;
      }
      .box-info {
        margin-top: 15px;
        background: #ffffff;
        flex: 1;
        padding: 10px 20px;
        .box-info-title {
          font-size: 16px !important;
          font-weight: 600;
          color: #000000;
          span {
            font-size: 14px !important;
            color: #999999;
          }
        }
        .topic {

          margin-top: 15px;
          display: flex;
          flex-direction: column;

          box-shadow: 0px 0px 9px 0px #cfcfcf;

          border-radius: 5px;
          .topic-title {
            height: 45px;
            background: rgb(243, 243, 243);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            padding: 0 20px;
            border-radius: 5px 5px 0 0;
          }

          .topic-bottom {
            height: 45px;
            display: flex;
            align-items: center;
            justify-content: space-between;

            font-weight: 600;
            box-sizing: border-box;

            border-top: 1px dashed #e0dbdb;

            .knowledge {
              color: rgb(105, 134, 205);
              margin-right: 30px;
              cursor: pointer;
            }
          }
        }
      }
    }
    .paging {
      display: flex;
      justify-content: space-between;
      align-items: center;

      border-top: 1px solid #cfcfcf;

      background: #ffffff;

      padding: 5px 20px 0 20px;
    }
  
    .shopping {

      width: 50px;
      height: 135px;

      position: fixed;
      top: 30%;
      right: 0;
      background: #6b73f5;
      border-radius: 10px 0 0 10px;
      color: #ffffff;
      font-size: 12px !important;
      font-weight: 600;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-around;
      box-sizing: border-box;
      padding: 10px 0;
      text-align: center;
      cursor: pointer;
      .shopping-select {

        width: 25px;
        height: 25px;

        border-radius: 50%;

        background: #eb5151;
        color: #ffffff;

        font-size: 12px !important;

        line-height: 25px;

      }
      .size {
        font-size: 14px !important;
      }
    }
  }
  
  .page-padding {
    box-sizing: border-box;
    padding: 14px 20px;
  }
  .col-margin {
    margin: 10px 0;
    display: flex;
    align-items: center;

    font-size: 16px !important;

  }
  .button {
    background: #6b73f5;
    padding: 5px 10px;
  }
  .select-box {
    padding: 5px 10px;
    border-radius: 5px;
    margin: 0 8px;

    font-size: 16px !important;

    cursor: pointer;

    white-space: nowrap;
    width: fit-content;

  }
  .Selected {
    background: rgba(223, 229, 253, 1);
    color: rgb(105, 134, 205);
    cursor: pointer;
  }
  
  .color {
    color: #999999;
  }
  .score-color {
    color: rgb(234, 160, 73);
    margin-right: 10px;
  }
  .size {
    font-size: 14px !important;
  }

  .font-weight {
    font-weight: 400;
  }
  .filter-datePicker {
    font-size: 16px !important;
  }
  ::v-deep .el-button {
    span {
      font-size: 16px !important;
    }
  }

  </style>