el-table中加select,对表格进行数据格式处理，去百分号，逗号，负号，及日期格式_el-table的@select

<template>
  <div>
    <el-table :data="tableData" style="width: 100%">
      <template v-for="(col, index) in tableHeader">
        <el-table-column
          :prop="col.columnName"
          :key="index"
          :label="col.comments"
          row-class-name="tableRow"
        >
          <template slot="header" slot-scope="scope">
            <li
              v-show="showWaring(col, scope)"
              class="el-icon-warning waring"
            ></li>
            <span>{{ col.comments }}</span>
            <span v-if="col.columnName === 'VALUE_DATE'">
              <el-popover width="100" trigger="click" placement="right">
                <div>
                  <el-checkbox v-model="dateFormat" class="mr10">
                    日期格式化
                  </el-checkbox>
                </div>
                <div>
                  <el-button
                    class="right"
                    size="mini"
                    @click="formateDate(col, scope)"
                  >
                    确认
                  </el-button>
                </div>
                <li
                  slot="reference"
                  v-if="col.columnName === 'VALUE_DATE'"
                  class="el-icon-s-open point"
                ></li>
              </el-popover>
            </span>

            <span v-else-if="col.columnName === 'numberOne'">
              <el-popover width="100" trigger="click" placement="right">
                <el-checkbox-group v-model="checkList">
                  <el-checkbox label="去除%"></el-checkbox>
                  <el-checkbox label="NA替换"></el-checkbox>
                  <el-checkbox label="展示负号"></el-checkbox>
                </el-checkbox-group>
                <div>
                  <el-button
                    class="right"
                    size="mini"
                    @click="formateNumOne(col, scope)"
                  >
                    确认
                  </el-button>
                </div>
                <li
                  slot="reference"
                  v-if="col.columnName === 'numberOne'"
                  class="el-icon-s-open point"
                ></li>
              </el-popover>
            </span>

            <span v-else-if="col.columnName === 'numberTwo'">
              <el-popover width="100" trigger="click" placement="right">
                <el-checkbox-group v-model="checkListTwo">
                  <el-checkbox label="去除,"></el-checkbox><br />
                  <el-checkbox label="去除-"></el-checkbox>
                </el-checkbox-group>
                <div>
                  <el-button
                    class="right"
                    size="mini"
                    @click="formateNumTwo(col, scope)"
                  >
                    确认
                  </el-button>
                </div>
                <li
                  slot="reference"
                  v-if="col.columnName === 'numberTwo'"
                  class="el-icon-s-open point"
                ></li>
              </el-popover>
            </span>
          </template>

          <template slot-scope="scope">
            <span
              :class="
                warningCell(scope.row[col.columnName], col.columnName)
                  ? 'waringcell'
                  : ''
              "
            >
              {{ scope.row[col.columnName] }}
            </span>
          </template>
        </el-table-column>
      </template>
    </el-table>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 数据格式正则校验匹配
      REGEX_NA: /(NA)|(N\.A)|(na)|(n\.a)/g, //na NA n.a. N.A替换
      REGEX_S: /\s+/g, //替换所有空格
      REGEX_FU: /(^-$)|(^-$)/g, //替换-号(这里的替换的只是 - )
      REGEX_PERCENT: /%/g, //百分号
      REGEX_COMMA: /(,)|(，)/g, //去掉逗号
      REGEX_SPECIAL: /(?<=\(|（).*(?=\)|）)/g, //有（A），有则，替换为 -A
      REGEX_VALUEDATE_1: /^(\d{2}|\d{4})-\d{1,2}-\d{1,2}$/g, //YYYY-MM-DD 改为 YYYYMMDD
      REGEX_VALUEDATE_2: /^(\d{2}|\d{4})\/\d{1,2}\/\d{1,2}$/g, //YYYY/MM/DD 改为 YYYYMMDD
      REGEX_VALUEDATE_3: /^(\d{2}|\d{4})年\d{1,2}月\d{1,2}日$/g, //YYYY年MM月DD日（以及YYYY年M月DD日，YYYY年MM月D日，YYYY年M月D日） 改为 YYYYMMDD
      REGEX_VALUEDATE_4: /^(\d{2}|\d{4})-\d{1,2}$/g, //YYYY-M-D,YYYY-MM-D,YYYY-M-DD 改为 YYYYMMDD
      REGEX_VALUEDATE_5: /^(\d{2}|\d{4})\/\d{1,2}$/g, //YYYY/M/D,YYYY/MM/D,YYYY/M/DD 改为 YYYYMMDD
      REGEX_VALUEDATE_6: /^(\d{2}|\d{4})年\d{1,2}月$/g,
      REGEX_VALUEDATE_7: /^\d{2}$/g,
      REGEX_VALUEDATE_8: /^(\d{2}|\d{4})年$/g,
      REGEX_VALUEDATE_EXEC: /-|\/|年|月|日/g, //包含-/年月日替换

      checkList: [],
      checkListTwo: [],

      dateFormat: true,
      tableHeader: [
        {
          comments: "数据日期",
          columnName: "VALUE_DATE",
          dataType: "VARCHAR2(100)",
        },
        {
          comments: "数值型字段1",
          columnName: "numberOne",
          dataType: "NUMBER",
        },
        {
          comments: "数值型字段2",
          columnName: "numberTwo",
          dataType: "NUMBER",
        },
      ],
      tableData: [
        {
          VALUE_DATE: "2021年09月09日",
          numberOne: "na",
          numberTwo: "11,11",
        },
        {
          VALUE_DATE: "2021/09/09",
          numberOne: "NA",
          numberTwo: "-",
        },
        {
          VALUE_DATE: "2021-08-08",
          numberOne: "n.a",
          numberTwo: "123",
        },
        {
          VALUE_DATE: "2021年09月9日",
          numberOne: "N.A",
          numberTwo: "12-12",
        },
        {
          VALUE_DATE: "2021年9月9日",
          numberOne: "1 5",
          numberTwo: "-",
        },
        {
          VALUE_DATE: "20年09月09日",
          numberOne: "22%",
          numberTwo: "-",
        },
        {
          VALUE_DATE: "20220909",
          numberOne: "(4.2)",
          numberTwo: "11，11",
        },
      ],
    };
  },
  mounted() {},
  methods: {
    showWaring(col, scope) {
      //日期格式
      for (let i = 0; i < this.tableData.length; i++) {
        if (
          this.warningCell(this.tableData[i]["VALUE_DATE"], "VALUE_DATE") &&
          col.columnName === "VALUE_DATE"
        ) {
          return true;
        } else if (
          this.warningCell(this.tableData[i]["numberOne"], "numberOne") &&
          col.columnName === "numberOne"
        ) {
          return true;
        } else if (
          this.warningCell(this.tableData[i]["numberTwo"], "numberTwo") &&
          col.columnName === "numberTwo"
        ) {
          return true;
        }
      }
      return false;
    },
    warningCell(val, columnName) {
      if (
        columnName === "VALUE_DATE" &&
        (this.REGEX_VALUEDATE_1.test(val) ||
          this.REGEX_VALUEDATE_2.test(val) ||
          this.REGEX_VALUEDATE_3.test(val) ||
          this.REGEX_VALUEDATE_4.test(val) ||
          this.REGEX_VALUEDATE_5.test(val) ||
          this.REGEX_VALUEDATE_6.test(val) ||
          this.REGEX_VALUEDATE_7.test(val) ||
          this.REGEX_VALUEDATE_8.test(val))
      ) {
        this.REGEX_VALUEDATE_1.lastIndex = 0;
        this.REGEX_VALUEDATE_2.lastIndex = 0;
        this.REGEX_VALUEDATE_3.lastIndex = 0;
        this.REGEX_VALUEDATE_4.lastIndex = 0;
        this.REGEX_VALUEDATE_5.lastIndex = 0;
        this.REGEX_VALUEDATE_6.lastIndex = 0;
        this.REGEX_VALUEDATE_7.lastIndex = 0;
        this.REGEX_VALUEDATE_8.lastIndex = 0;
        return true;
      } else if (
        columnName === "numberOne" &&
        (this.REGEX_PERCENT.test(val) ||
          this.REGEX_NA.test(val) ||
          this.REGEX_SPECIAL.test(val))
      ) {
        this.REGEX_PERCENT.lastIndex = 0;
        this.REGEX_NA.lastIndex = 0;
        this.REGEX_SPECIAL.lastIndex = 0;
        return true;
      } else if (
        columnName === "numberTwo" &&
        (this.REGEX_COMMA.test(val) || this.REGEX_FU.test(val))
      ) {
        this.REGEX_COMMA.lastIndex = 0;
        this.REGEX_FU.lastIndex = 0;
        return true;
      }
      return false;
    },
    formateDate(col, scope) {
      for (let i = 0; i < this.tableData.length; i++) {
        if (col.columnName === "VALUE_DATE") {
          let val = this.tableData[i]["VALUE_DATE"];
          if (this.warningCell(val, "VALUE_DATE")) {
            //删除可能存在的空字符串
            let res = val.split(this.REGEX_VALUEDATE_EXEC);
            res = res.filter((item) => item !== "");
            if (res.length === 1) {
              this.tableData[i]["VALUE_DATE"] = this.formateY(res[0]);
            } else if (res.length === 2) {
              this.tableData[i]["VALUE_DATE"] =
                this.formateY(res[0]) + this.formatM(res[1]);
            } else if (res.length) {
              this.tableData[i]["VALUE_DATE"] =
                this.formateY(res[0]) +
                this.formatM(res[1]) +
                this.formatD(res[2]);
            }
          }
        }
      }
    },
    /**
     * 年补零
     * @param {*} val
     * @returns
     */
    formateY(val) {
      if (val && val.length === 2) {
        return "20" + val;
      } else {
        return val;
      }
    },
    /**
     * 月补零
     * @param {*} val
     * @returns
     */
    formatM(val) {
      if (val && val.length === 1) {
        return "0" + val;
      } else {
        return val;
      }
    },
    /**
     * 日补零
     * @param {*} val
     * @returns
     */
    formatD(val) {
      if (val && val.length === 1) {
        return "0" + val;
      } else {
        return val;
      }
    },
    formateNumOne(col, scoped) {
      for (let i = 0; i < this.tableData.length; i++) {
        if (this.checkList.includes("去除%")) {
          this.tableData[i].numberOne = this.tableData[i].numberOne.replace(
            this.REGEX_PERCENT,
            ""
          );
        }
        if (this.checkList.includes("NA替换")) {
          this.tableData[i].numberOne = this.tableData[i].numberOne.replace(
            this.REGEX_NA,
            ""
          );
        }
        if (this.checkList.includes("展示负号")) {
          let matchRes = this.tableData[i].numberOne.match(this.REGEX_SPECIAL);
          if (matchRes && matchRes.length > 0) {
            if (matchRes[0].indexOf("-") > -1) {
              this.tableData[i].numberOne = matchRes[0].replace("-", "");
            } else {
              this.tableData[i].numberOne = "-" + matchRes[0];
            }
          }
        }
      }
    },
    formateNumTwo(col, scoped) {
      for (let i = 0; i < this.tableData.length; i++) {
        if (this.checkListTwo.includes("去除,")) {
          this.tableData[i].numberTwo = this.tableData[i].numberTwo.replace(
            this.REGEX_COMMA,
            ""
          );
        }
        if (this.checkListTwo.includes("去除-")) {
          this.tableData[i].numberTwo = this.tableData[i].numberTwo.replace(
            this.REGEX_FU,
            ""
          );
        }
      }
    },
  },
};
</script>
<style lang="less">
.waring {
  color: red;
}
.waringcell {
  color: #f56c6c;
  font-weight: bold;
}
</style>
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