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    VUE对ElTableColumn进行扩展

    php中世界最好的语言php中世界最好的语言2018-04-28 10:01:58原创2205
    这次给大家带来VUE对ElTableColumn进行扩展,VUE对ElTableColumn进行扩展的注意事项有哪些,下面就是实战案例,一起来看一下。

    ElTableColumn本来是这个样子的:

    要做成的是这个样子:

    我直接就放代码了,挨着挨着说明太多了。

    代码的结构:

    组件

    <!-- ElTableColumnPro.vue -->
    <template>
       <el-table-column v-if="visible" :formatter="formatter" :align='align' :prop="prop" :header-align="headerAlign" :label="label" :width="width" :render-header="renderHeader" >
         <template slot-scope="scope">
          <slot :row="scope.row" :$index="scope.$index" >
           <span>{{fomatMethod(scope.row[prop])}}</span>
          </slot>
         </template>
       </el-table-column>
    </template>
    <script>
    import moment from "moment";
    export default {
     name: "el-table-column-pro",
     props: {
      prop: {
       type: String
      },
      label: {
       type: String
      },
      width: {
       type: Number
      },
      renderType: {
       type: String,
       validator: value => ["date", "input", "select"].includes(value)
      },
      placeholder: {
       type: String
      },
      rederWidth: {
       type: String,
       default: "230px"
      },
      param: {
       type: String,
       default: ""
      },
      startDate: {
       type: String
      },
      endDate: {
       type: String
      },
      selectList: {
       type: Array
      },
      isClear: {
       type: Boolean,
       default:true
      },
      visible: {
       type: Boolean,
       default: true
      },
      filterIcon: {
       type: String,
       default: "el-icon-search"
      },
      callback: {
       type: Function
      },
      formatter: {
       type: Function,
       default:(row, column, cellValue)=>cellValue
      },
      align:{
       type:String 
      },
      headerAlign:{
       type:String
      }
     },
     data() {
      return {
       formatD:this.filterIcon
      };
     },
     
     methods: {
      fomatMethod(value){
       return this.formatter('','',value)
      },
      
      renderHeader(createElement, { column, $index }) {
       switch (this.renderType) {
        case "date":
         return this.renderDate(createElement, { column, $index });
        case "input":
         return this.rederInput(createElement, { column, $index });
         
        case "select":
         return this.rederSelect(createElement, { column, $index });
        
        default:
         return column.label;
       }
      },
      rederInput(createElement, { column, $index }) {
       return createElement(
        "p",
        {
         class: "filters",
         style: {
          color: column.color
         }
        },
        [
         createElement(
          "el-popover",
          {
           props: {
            placement: "bottom",
            width: "200",
            trigger: "click"
           }
          },
          [
           createElement("el-input", {
            props: {
             placeholder: this.placeholder,
             value: this.param
            },
            nativeOn: {
             keyup: event => {
              if (event.keyCode === 13) {
               this.$emit("update:param", event.target.value);
               this.callback && this.callback();
              }
             }
            },
            on: {
             blur: event => {
              this.$emit("update:param", event.target.value);
              this.callback && this.callback();
             }
            }
           }),
           createElement(
            "span",
            {
             slot: "reference"
            },
            [
             column.label,
             createElement("i", {
              class: this.filterIcon,
              style: {
               marginLeft: "4px"
              }
             })
            ]
           )
          ]
         )
        ]
       );
      },
      rederSelect(createElement, { column, $index }) {
       return createElement(
        "p",
        {
         class: "filters",
         style: {
          color: column.color
         }
        },
        [
         createElement(
          "el-popover",
          {
           props: {
            placement: "bottom",
            width: "200",
            trigger: "click"
           }
          },
          [
           createElement(
            "el-select",
            {
             props: {
              placeholder: this.placeholder,
              value: this.param,
              clearable: this.isClear
             },
             on: {
              input: value => {
               this.$emit("update:param", value);
               this.callback && this.callback();
              }
             }
            },
            [
             this.selectList.map(item => {
              return createElement("el-option", {
               props: {
                value: item.value,
                label: item.label
               }
              });
             })
            ]
           ),
           createElement(
            "span",
            {
             slot: "reference"
            },
            [
             column.label,
             createElement("i", {
              class: this.filterIcon,
              style: {
               marginLeft: "4px"
              }
             })
            ]
           )
          ]
         )
        ]
       );
      },
      renderDate(createElement, { column, $index }) {
       return createElement(
        "p",
        {
         class: "filters"
        },
        [
         createElement(
          "el-popover",
          {
           props: {
            placement: "bottom",
            width: this.rederWidth,
            trigger: "click"
           }
          },
          [
           createElement("el-date-picker", {
            props: {
             placeholder: this.placeholder,
             value: this.value,
             type: "daterange",
             rangeSeparator:"至",
             startPlaceholder:"开始日期",
             endPlaceholder:"结束日期",
            },
            style: {
             width: this.rederWidth
            },
            on: {
             input: value => {
              if (value) {
               const startDate = moment(value[0]).format("YYYY-MM-DD");
               const endDate = moment(value[1]).format("YYYY-MM-DD");
               this.$emit("update:startDate", startDate);
               this.$emit("update:endDate", endDate);
               this.callback && this.callback();
              }
             }
            }
           }),
           createElement(
            "span",
            {
             slot: "reference"
            },
            [
             column.label,
             createElement("i", {
              class: this.filterIcon,
              style: {
               marginLeft: "4px"
              }
             })
            ]
           )
          ]
         )
        ]
       );
      }
     }
    };
    </script>
    <!-- index.js -->
    import ElTableColumnPro from './ElTableColumnPro'
    ElTableColumnPro.install = function(Vue) {
     Vue.component(ElTableColumnPro.name, ElTableColumnPro);
    };
    export default ElTableColumnPro;

    安装

    import ElTableColumnPro from 'components/ElTableColumnPro/index' 
    ...
    ...
    ...
    Vue.use(ElTableColumnPro)

    使用

     <el-table :data="bankFlow" style="width:100%" stripe>
        <el-table-column-pro :visible="showMore" prop="transactionId" label="流水号" :width="120"> </el-table-column-pro>
        <el-table-column-pro prop="clientCode" label="客户代码 " :width="120" placeholder="请输入客户代码" :callback="requestTransactionLogs" renderType="input" :param.sync="request_params.clientCode"> </el-table-column-pro>
        <el-table-column-pro prop="eventTypeName" label="事件 " placeholder="请选择事件"  :selectList="listEventEnum" :callback="requestTransactionLogs" renderType="select" :param.sync="request_params.event" :width="100"> </el-table-column-pro>
        <el-table-column-pro prop="createTime" :callback="requestTransactionLogs" :startDate.sync="request_params.startDate" :endDate.sync="request_params.endDate" :formatter="$timeformat" label="时间" renderType="date" :width="180" ></el-table-column-pro>
     </el-table>
     <el-table :data="lists.content" v-loading="loading" @row-dblclick="detail" >
        <el-table-column-pro :width="120" prop="clientCode" label="客户代码 " align="center" header-align="center" placeholder="请输入客户代码" :callback="getLists" renderType="input" :param.sync="params.clientCode"></el-table-column-pro>      
        <el-table-column-pro label="内容 " placeholder="请输入内容" :callback="getLists" renderType="input" :param.sync="params.content">
            <template slot-scope="scope">
               <pre>{{scope.row.content}}</pre>
            </template>
        </el-table-column-pro>
        <el-table-column-pro prop="userName" :width="100" label="记录人 " align="center" header-align="center" placeholder="请输入记录人" :callback="getLists" renderType="input" :param.sync="params.userName"></el-table-column-pro>
        <el-table-column prop="createTime" width="150" label="记录时间" align="center" header-align="center" :formatter="$dateTimeFormat"></el-table-column>
     </el-table>

    相信看了本文案例你已经掌握了方法,更多精彩请关注php中文网其它相关文章!

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    以上就是VUE对ElTableColumn进行扩展的详细内容,更多请关注php中文网其它相关文章!

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