计算增加新企业之后工业产值变化

src/views/investment/index.vue

@@ -60,18 +60,24 @@
           </div>
         </el-form-item>
         <el-form-item label-width="100px">
-          <el-button
-            type="primary"
-            size="mini"
-            @click="submit"
-            >计算</el-button
-          >
+          <el-button type="primary" size="mini" @click="submit">计算</el-button>
           <el-button icon="el-icon-refresh" size="mini" @click="resetForm"
             >重置</el-button
           >
         </el-form-item>
       </el-form>
     </div>
+    <div>
+      <h4 v-show="calShow == 'low'" style="padding: 10px; text-align: center">
+        重新计算后输出：企业新增后比新增前行业得分平均降低{{ rate }}%
+      </h4>
+      <h4 v-show="calShow == 'high'" style="padding: 10px; text-align: center">
+        重新计算后输出：企业新增后比新增前行业得分平均提高{{ rate }}%
+      </h4>
+      <h4 v-show="calShow == 'same'" style="padding: 10px; text-align: center">
+        重新计算后输出：企业新增后与新增前行业得分平均一致
+      </h4>
+    </div>
     <div ref="chart" :style="{ height: height, width: width }"></div>
     <el-table :data="tableData" border style="width: 100%">
       <el-table-column prop="year" label="年度" width="200"> </el-table-column>
@@ -116,6 +122,8 @@ export default {
   },
   data() {
     return {
+      calShow: "init",
+      rate: null,
       chart: null,
       chartData: [],
       industryData: [],
@@ -147,68 +155,7 @@ export default {
         ],
       },
       selectedIndustryArray: [],
-      // dataKeys: [
-      //   "totalIndustrialValueScore",
-      //   // 'gdpScore',
-      //   "taxableIncomeScore",
-      //   "paidTaxScore",
-      //   "fundingScore",
-      //   "energyConsumeScore",
-      //   "powerConsumeScore",
-      //   // 其他得分字段...
-      // ], // 可选项
-      // keyToChinese: {
-      //   mainBusinessScore: "主营业务活动得分",
-      //   landAreaScore: "用地面积得分",
-      //   totalIndustrialValueScore: "工业总产值得分",
-      //   gdpScore: "工业增加值得分",
-      //   taxableIncomeScore: "应税收入得分",
-      //   paidTaxScore: "实缴税金得分",
-      //   mainBusinessIncomeScore: "主营业务收入得分",
-      //   employeeNumberScore: "从业人员数得分",
-      //   profitScore: "利润总额得分",
-      //   ownerEquityScore: "所有者权益得分",
-      //   fundingScore: "研发经费得分",
-      //   energyConsumeScore: "能源消费量得分",
-      //   powerConsumeScore: "电力消费量得分",
-      // },
-      // keyToLevel: {
-      //   totalIndustrialValueScore: "totalIndustrialValueLevel",
-      //   taxableIncomeScore: "taxableIncomeLevel",
-      //   paidTaxScore: "paidTaxLevel",
-      //   fundingScore: "fundingLevel",
-      //   energyConsumeScore: "energyConsumeLevel",
-      //   powerConsumeScore: "powerConsumeLevel",
-      // },
       selectedYear: null,
-      // queryParams: {
-      //   pageNum: 1,
-      //   pageSize: 2000000, // 默认 2000000 条(全部一次性数据)
-      //   enterpriseName: null,
-      //   location: null,
-      //   code: null,
-      //   mainBusiness: null,
-      //   landArea: null,
-      //   totalIndustrialValue: null,
-      //   gdp: null,
-      //   taxableIncome: null,
-      //   paidTax: null,
-      //   mainBusinessIncome: null,
-      //   employeeNumber: null,
-      //   profit: null,
-      //   ownerEquity: null,
-      //   funding: null,
-      //   energyConsume: null,
-      //   year: null,
-      //   month: null,
-      // },
-      // industryQueryParams: {
-      //   pageNum: 1,
-      //   pageSize: 2000000,
-      //   industryName: null,
-      //   code: null,
-      // }, //  查询行业信息
-      // availableYears: [],
       selectedRange: 0.1, // 不能为 0， - littlegreen - 固定0.1
       // littlegreen - 检测区间 和 表格数据
       detectMin: null,
@@ -291,21 +238,28 @@ export default {
       if (!this.chart) {
         return;
       }
-      let newMonthValue = parseFloat(that.form.newMonthValue);
-      let total = [parseFloat(newMonthValue)]; //总值
+      let newMonthValue = new Decimal(that.form.newMonthValue).toNumber();
+      let total = [newMonthValue]; //总值
       const result = Object.values(
         that.scoreData.reduce((acc, item) => {
           const key = item.enterpriseName; // 根据企业名称分组
+          let totalIndustrialValue = new Decimal(item.totalIndustrialValue);
           if (!acc[key]) {
-            acc[key] = { name: key, data: [], totalValue: 0, count: 0 }; // 创建对象并初始化
+            acc[key] = {
+              name: key,
+              data: [],
+              totalValue: new Decimal(0),
+              count: 0,
+            }; // 创建对象并初始化
           }
+
           acc[key].data.push(item); // 添加到对应的类别中
-          acc[key].totalValue += item.totalIndustrialValue; // 累加 totalIndustrialValue
+          acc[key].totalValue = acc[key].totalValue.plus(totalIndustrialValue); // 累加 totalIndustrialValue
           acc[key].count++; // 企业数 +1
           return acc;
         }, {})
       ).map(({ name, data, totalValue, count }) => {
-        const totalIndustrialValue = totalValue / count; // 计算均值
+        const totalIndustrialValue = totalValue.dividedBy(count).toNumber(); // 计算均值
         total.push(totalIndustrialValue);
         return { name, data, totalIndustrialValue }; // 返回结果
       });
@@ -314,6 +268,29 @@ export default {
         data: [],
         totalIndustrialValue: newMonthValue,
       });
+
+      // littlegreen --计算增加新企业之后工业产值变化 计算全体企业 totalIndustrialValue 均值
+      const totalValues = result.map(
+        (e) => new Decimal(e.totalIndustrialValue)
+      );
+      const overallMean = totalValues
+        .reduce((sum, value) => sum.plus(value), new Decimal(0))
+        .dividedBy(totalValues.length);
+
+      // 计算不包括“新企业”的均值
+      const filteredValues = result
+        .filter((e) => e.name !== "新企业")
+        .map((e) => new Decimal(e.totalIndustrialValue));
+
+      const filteredMean = filteredValues
+        .reduce((sum, value) => sum.plus(value), new Decimal(0))
+        .dividedBy(filteredValues.length);
+      const relativeChange = overallMean.minus(filteredMean).dividedBy(filteredMean).mul(new Decimal(100));
+      // 显示增加/降低/一致
+      that.calShow = relativeChange.greaterThan(0) ? "high" : (relativeChange.lessThan(0)? "low" : "same")
+      // 增加的比率
+      that.rate = relativeChange.abs().toNumber().toFixed(2)
+
       // 获取基础数据：最大值，最小值，平均值，标准差
       function getBebeQ(numbers, digit = 2) {
         let sum = numbers.reduce(
@@ -592,7 +569,7 @@ export default {
               totalIndustrialValue: item.totalIndustrialValue.toFixed(2),
               enterpriseId: item.name,
               year: that.selectedYear,
-              value: item.score.toFixed(2)
+              value: item.score.toFixed(2),
             };
           });
         }
@@ -601,6 +578,7 @@ export default {
     // 重置表单
     resetForm() {
       this.$refs.ruleForm.resetFields();
+      this.calShow = "init";
     },
   },
   watch: {},