【sgCreateTableColumn】自定义小工具：敏捷开发→自动化生成表格列html代码（表格列生成工具）[基于el-table-column]

<template>
  <!-- 
前往https://blog.csdn.net/qq_37860634/article/details/136126479
查看使用说明
-->
  <div :class="$options.name">
    <div class="sg-head">表格列生成工具</div>
    <div class="sg-container">
      <div class="sg-start">
        <div style="margin-bottom: 10px">字段中文名</div>
        <div style="display: flex; margin-bottom: 10px">
          <el-select
            style="width: 150px"
            v-model="selectValue_type"
            @change="(d) => {}"
            :placeholder="`请选择数据内容类型`"
          >
            <el-option
              v-for="(select, index) in selectOptions_type"
              :key="index"
              :value="select.value"
              :label="select.label"
              :disabled="select.disabled"
            ></el-option>
          </el-select>
          <template v-if="selectValue_type == 2">
            <div style="display: flex; align-items: center; margin-left: 10px">
              <label style="margin-right: 5px">fieldName</label>
              <el-input
                style="width: 150px"
                ref="fieldName"
                v-model.trim="fieldNameValue"
                maxlength="20"
                :show-word-limit="false"
                :placeholder="`字段名`"
                @focus="$refs.fieldName.select()"
                clearable
              />
 
              <label style="margin-left: 10px; margin-right: 5px">keyName</label>
              <el-input
                style="width: 150px"
                ref="keyName"
                v-model.trim="keyNameValue"
                maxlength="20"
                :show-word-limit="false"
                :placeholder="`字段值名`"
                @focus="$refs.keyName.select()"
                clearable
              />
            </div>
          </template>
        </div>
        <el-input
          ref="textareaValue1"
          style="margin-bottom: 10px"
          type="textarea"
          :placeholder="
            this.selectOptions_type.find((v) => v.value == this.selectValue_type)
              .placeholder
          "
          v-model.trim="textareaValue1"
          show-word-limit
        />
 
        <el-button type="primary" @click="createResult">生成表格列</el-button>
      </div>
      <div class="sg-center">→</div>
 
      <div class="sg-end">
        <div style="margin-bottom: 10px">生成结果</div>
        <el-input
          style="margin-bottom: 10px; flex-grow: 1"
          type="textarea"
          :placeholder="`请复制结果`"
          v-model.trim="textareaValue2"
          show-word-limit
        />
 
        <el-button type="primary" @click="copyResult">复制</el-button>
      </div>
    </div>
  </div>
</template>
 
<script>
import pinyin from "@/js/pinyin";
export default {
  name: "sgCreateTableColumn",
  data() {
    return {
      selectOptions_type: [
        {
          value: 1,
          label: "文本",
          placeholder: `请粘贴字段中文名(或者：字段英文名+空格+字段中文名)`,
        },
        { value: 2, label: "json数据", placeholder: `请粘贴键值对描述json数组` },
      ],
 
      selectValue_type: 1,
 
      fieldNameValue: `fieldName`,
      keyNameValue: `fieldName_TEXT`,
 
      textareaValue1: "",
      textareaValue2: "",
    };
  },
  watch: {
    textareaValue1(newValue, oldValue) {
      newValue && this.createResult(newValue);
    },
  },
  methods: {
    createResult(d) {
      let r = [];
      switch (this.selectValue_type) {
        case 1:
          let texts = this.textareaValue1
            .split("\n")
            .map((v) => v.split("\t").join("").trim());
          texts = texts.filter((v, i, ar) => v !== ``);
 
          r = texts.map((v) => {
            let strings = v.replace(/\s+/g, ` `).split(` `); //用空格分隔开两列字段名
            let label = ``;
            let prop = ``;
            // 如果是多列内容
            if (strings.length > 1) {
              // 如果第一列的字符串是中文
              if (this.$g.checkEverything(`cn`, strings[0])) {
                label = strings[0];
                prop = strings[1];
              } else {
                label = strings[1];
                prop = strings[0];
              }
            } else {
              // 如果是单列内容
              prop = pinyin.getCamelChars(v);
              label = v;
            }
            let r = `<el-table-column prop="${prop}" label="${label}" show-overflow-tooltip />`;
            return r;
          });
 
          break;
        case 2:
          if (this.fieldNameValue && this.keyNameValue) {
          } else {
            return this.$message.error(`fieldName和keyName都要填写`);
          }
          if (this.$g.json.isJSON(this.textareaValue1)) {
            let arr = JSON.parse(this.textareaValue1);
 
            r = arr.map((v) => {
              let prop = v[this.fieldNameValue];
              let label = v[this.keyNameValue];
              let r = `<el-table-column prop="${prop}" label="${label}" show-overflow-tooltip />`;
              return r;
            });
          } else {
            return this.$message.error(`请输入正确的json格式的对象数组内容`);
          }
 
          break;
      }
 
      this.textareaValue2 = r.join("\n");
 
      this.copyResult(); //自动复制生成结果
    },
    copyResult(d) {
      this.$g.copy(this.textareaValue2, true);
      this.$nextTick(() => {
        this.$refs.textareaValue1.select();
      });
    },
  },
};
</script>
 
<style lang="scss" scoped>
.sgCreateTableColumn {
  width: 100%;
  height: 100%;
  position: absolute;
  box-sizing: border-box;
  padding: 20px;
 
  .sg-head {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: #409eff;
    margin-bottom: 10px;
  }
 
  .sg-container {
    display: flex;
    flex-wrap: nowrap;
    height: calc(100vh - 70px);
 
    & > .sg-start {
      width: calc(50% - 20px);
      height: 100%;
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
    }
 
    & > .sg-center {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-grow: 1;
      margin: 0 10px;
      font-size: 24px;
      color: #409eff;
      font-weight: bold;
    }
 
    & > .sg-end {
      width: calc(50% - 20px);
      height: 100%;
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
    }
 
    >>> .el-textarea {
      width: 100%;
      height: 100%;
      textarea {
        width: 100%;
        height: 100%;
        max-height: revert;
      }
    }
  }
}
</style>