优雅的elementUI table单元格可编辑实现方法详解

<template>
 <div id="app">
   <div style="margin-bottom: 30px">
    <el-switch
      style="display: block"
      v-model="editModeEnabled"
      active-color="#13ce66"
      inactive-color="#ff4949"
      active-text="Edit enabled"
      inactive-text="Edit disabled">
     </el-switch>
   </div>
    <el-table
   :data="gridData"
   style="width: 100%">
   <el-table-column
    label="Name"
    min-width="180">
    <editable-cell slot-scope="{row}"
            :can-edit="editModeEnabled"
            v-model="row.name">
     <span slot="content">{{row.name}}</span>
    </editable-cell>
   </el-table-column>

   <el-table-column
    min-wwidth="150"
    label="Gender">

     <editable-cell 
     slot-scope="{row}" 
     editable-component="el-select"
     :can-edit="editModeEnabled"
     close-event="change"
     v-model="row.gender">
     
     <el-tag size="medium" 
         :type="row.gender === 'M' ? 'primary' : 'danger'" 
         slot="content">
         {{row.gender === 'M' ? 'Male': 'Female'}}
     </el-tag>

     <template slot="edit-component-slot">
      <el-option value="M" label="Male"></el-option>
      <el-option value="F" label="Female"></el-option>
     </template>
    </editable-cell>
    
   </el-table-column>


   <el-table-column
    label="Birth Date"
    min-width="250">
     <editable-cell 
     slot-scope="{row}" 
     :can-edit="editModeEnabled"
     editable-component="el-date-picker"
     format="yyyy-MM-dd"
     value-format="yyyy-MM-dd"
     v-model="row.date">
     <span slot="content">{{row.date}}</span>
    </editable-cell>
   </el-table-column>
  </el-table>
 </div>
</template>

<script>
import EditableCell from "./components/EditableCell.vue";

export default {
 name: "App",
 components: {
  EditableCell
 },
 data() {
  return {
   editModeEnabled: false,
   gridData: [
    {
     date: "2016-05-03",
     name: "Tom",
     gender: "M"
    },
    {
     date: "2016-05-02",
     name: "Lisa",
     gender: "F"
    },
    {
     date: "2016-05-04",
     name: "Jon",
     gender: "M"
    },
    {
     date: "2016-05-01",
     name: "Mary",
     gender: "F"
    }
   ]
  };
 }
};
</script>

<style>
.edit-cell {
 min-height: 35px;
 cursor: pointer;
}
</style>

<template>
 <div @click="onFieldClick" class="edit-cell">
  <el-tooltip v-if="!editMode && !showInput"
        :placement="toolTipPlacement"
        :open-delay="toolTipDelay"
        :content="toolTipContent">
   <div tabindex="0" 
      class="cell-content"
      :class="{'edit-enabled-cell': canEdit}"
      @keyup.enter="onFieldClick">
    <slot name="content"></slot>
   </div>

  </el-tooltip>
  <component :is="editableComponent"
        v-if="editMode || showInput"
       ref="input"
       @focus="onFieldClick"
       @keyup.enter.native="onInputExit"
       v-on="listeners"
       v-bind="$attrs"
       v-model="model">
    <slot name="edit-component-slot"></slot>
  </component>
 </div>
</template>
<script>
export default {
 name: "editable-cell",
 inheritAttrs: false,
 props: {
  value: {
   type: String,
   default: ""
  },
  toolTipContent: {
   type: String,
   default: "Click to edit"
  },
  toolTipDelay: {
   type: Number,
   default: 500
  },
  toolTipPlacement: {
   type: String,
   default: "top-start"
  },
  showInput: {
   type: Boolean,
   default: false
  },
  editableComponent: {
   type: String,
   default: "el-input"
  },
  closeEvent: {
   type: String,
   default: "blur"
  },
  canEdit: {
   type: Boolean,
   default: false
  }
 },
 data() {
  return {
   editMode: false
  };
 },
 computed: {
  model: {
   get() {
    return this.value;
   },
   set(val) {
    this.$emit("input", val);
   }
  },
  listeners() {
   return {
    [this.closeEvent]: this.onInputExit,
    ...this.$listeners
   };
  }
 },
 methods: {
  onFieldClick() {
   if (this.canEdit) {
    this.editMode = true;
    this.$nextTick(() => {
     let inputRef = this.$refs.input;
     if (inputRef && inputRef.focus) {
      inputRef.focus();
     }
    });
   }
  },
  onInputExit() {
   this.editMode = false;
  },
  onInputChange(val) {
   this.$emit("input", val);
  }
 }
};
</script>
<style>
.cell-content {
 min-height: 40px;
 padding-left: 5px;
 padding-top: 5px;
 border: 1px solid transparent;
}
.edit-enabled-cell {
 border: 1px dashed #409eff;
}
</style>

<template>
 <div id="app">
   <el-tooltip content="Click on any of the cells or on the edit button to edit content">
    <i class="el-icon-info"></i>
   </el-tooltip>
    <el-table
   :data="gridData"
   style="width: 100%">

    <el-table-column
    label="Operations"
    min-width="180">
    <template slot-scope="{row, index}">
     <el-button icon="el-icon-edit"
     @click="setEditMode(row, index)">
    </el-button>
     <el-button type="success" icon="el-icon-check"
     @click="saveRow(row, index)">
    </el-button>
    </template>
   </el-table-column>


   <el-table-column
    label="Name"
    min-width="180">
    <editable-cell :show-input="row.editMode" slot-scope="{row}" v-model="row.name">
     <span slot="content">{{row.name}}</span>
    </editable-cell>
   </el-table-column>

   <el-table-column
    min-wwidth="150"
    label="Gender">

     <editable-cell 
     :show-input="row.editMode"
     slot-scope="{row}" 
     editable-component="el-select"
     close-event="change"
     v-model="row.gender">
     
     <el-tag size="medium" 
         :type="row.gender === 'M' ? 'primary' : 'danger'" 
         slot="content">
         {{row.gender === 'M' ? 'Male': 'Female'}}
     </el-tag>

     <template slot="edit-component-slot">
      <el-option value="M" label="Male"></el-option>
      <el-option value="F" label="Female"></el-option>
     </template>
    </editable-cell>
    
   </el-table-column>


   <el-table-column
    label="Birth Date"
    min-width="250">
     <editable-cell 
     :show-input="row.editMode"
     slot-scope="{row}" 
     editable-component="el-date-picker"
     format="yyyy-MM-dd"
     value-format="yyyy-MM-dd"
     v-model="row.date">
     <span slot="content">{{row.date}}</span>
    </editable-cell>
   </el-table-column>
  </el-table>
 </div>
</template>

<script>
import EditableCell from "./components/EditableCell.vue";

export default {
 name: "App",
 components: {
  EditableCell
 },
 data() {
  return {
   gridData: [
    {
     date: "2016-05-03",
     name: "Tom",
     gender: "M"
    },
    {
     date: "2016-05-02",
     name: "Lisa",
     gender: "F"
    },
    {
     date: "2016-05-04",
     name: "Jon",
     gender: "M"
    },
    {
     date: "2016-05-01",
     name: "Mary",
     gender: "F"
    }
   ]
  };
 },
 methods: {
  setEditMode(row, index) {
   row.editMode = true;
  },
  saveRow(row, index) {
   row.editMode = false;
  }
 },
 mounted() {
  this.gridData = this.gridData.map(row => {
   return {
    ...row,
    editMode: false
   };
  });
 }
};
</script>

<style>
.edit-cell {
 min-height: 35px;
 cursor: pointer;
}
</style>

<template>
 <div @click="onFieldClick" class="edit-cell">
  <el-tooltip v-if="!editMode && !showInput"
        :placement="toolTipPlacement"
        :open-delay="toolTipDelay"
        :content="toolTipContent">
   <div tabindex="0" @keyup.enter="onFieldClick">
    <slot name="content"></slot>
   </div>

  </el-tooltip>
  <component :is="editableComponent"
        v-if="editMode || showInput"
       ref="input"
       @focus="onFieldClick"
       @keyup.enter.native="onInputExit"
       v-on="listeners"
       v-bind="$attrs"
       v-model="model">
    <slot name="edit-component-slot"></slot>
  </component>
 </div>
</template>
<script>
export default {
 name: "editable-cell",
 inheritAttrs: false,
 props: {
  value: {
   type: String,
   default: ""
  },
  toolTipContent: {
   type: String,
   default: "Click to edit"
  },
  toolTipDelay: {
   type: Number,
   default: 500
  },
  toolTipPlacement: {
   type: String,
   default: "top-start"
  },
  showInput: {
   type: Boolean,
   default: false
  },
  editableComponent: {
   type: String,
   default: "el-input"
  },
  closeEvent: {
   type: String,
   default: "blur"
  }
 },
 data() {
  return {
   editMode: false
  };
 },
 computed: {
  model: {
   get() {
    return this.value;
   },
   set(val) {
    this.$emit("input", val);
   }
  },
  listeners() {
   return {
    [this.closeEvent]: this.onInputExit,
    ...this.$listeners
   };
  }
 },
 methods: {
  onFieldClick() {
   this.editMode = true;
   this.$nextTick(() => {
    let inputRef = this.$refs.input;
    if (inputRef) {
     inputRef.focus();
    }
   });
  },
  onInputExit() {
   this.editMode = false;
  },
  onInputChange(val) {
   this.$emit("input", val);
  }
 }
};
</script>
<style>

</style>