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Articulus hic refert quomodo columnam datam editabilem ad el-menam addere pro additione, deletione et modificatione.

1. Add blank lineae

Directe ordinem notitiarum ad tabulam adiiciam album in forma cum pagina annectitur et recta ratione dis() modum columnae datae addere potes.Exempli causaNumerus peciarum productorum.

	mounted() {
		this.$nextTick(() => {
			this.addFormData.productList.push({
				productName: '',//产品名称
				price: '',//单价(元/㎡)
				productCount: '1', //产品件数
				totalAmount: '', //小计￥元
			})
		})
	},

2. Lego operis nomen ut notitias et monstrant in indice ordine

Quia nomen producti in casu currenti e indice gutta-tenus eligitur, opus est interfaciem postulare ut notitias recipias et illud in album gutta-down redderet.

	data() {
		return {
			addFormData: {
				// 产品列表
				productList: [],
			},
			addFormRules: {
				productName: [{
					required: true,
					message: '请选择产品',
					trigger: 'blur'
				}],
				price: [{
					required: true,
					message: '请输入单价',
					trigger: 'blur'
				}
				],
				productCount: [{
					required: true,
					message: '请输入产品件数',
					trigger: 'blur'
				}]
			},
			optionsList: [
				{
					id:1,
					productName:'橘子',
					price:'10',
				},
				{
					id:2,
					productName:'苹果',
					price:'8',
				}
			]
 
		}
	},
 
		<el-form ref="addFormRef" :model="addFormData" :rules="addFormRules" size="mini" :inline="true">
			<el-table tooltip-effect="light" :data="addFormData.productList" >
				<el-table-column label="产品名称" prop="productName" min-width="150">
					<template slot-scope="scope">
						<el-form-item size="mini" :prop="'productList.' + scope.$index + '.productName'"
							:rules="addFormRules.productName" class="all">
							<el-select v-model="scope.row.productName" filterable value-key="id" placeholder="请选择"
								@change="pestChange($event, scope.$index)">
								<el-option v-for="item in optionsList" :key="item.id" :label="item.productName"
									:value="item">
								</el-option>
							</el-select>
						</el-form-item>
					</template>
				</el-table-column>
				<el-table-column label="操作" align="center" class-name="small-padding fixed-width" fixed="right"
					width="150">
					<template slot-scope="scope">
						<el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdateYes(scope.row)"
							v-hasPermi="['system:order:edit']">增加</el-button>
						<el-button size="mini" type="text" icon="el-icon-delete" @click="handleDeleteProduct(scope.row)"
							v-hasPermi="['system:order:remove']">删除</el-button>
					</template>
				</el-table-column>
			</el-table>
			<el-form-item size="large">
				<el-button type="primary" @click="handleSubmitAdd">提交</el-button>
				<el-button @click="handleCancelAdd">取消</el-button>
			</el-form-item>
		</el-form>
 
 
		pestChange(e, index) {
            //此时的e 就是optionsList中的某一项
            //让后解构赋值给我们这一行对应的值 
			let data = this.addFormData.productList[index]
			Object.keys(data).forEach(key => {
				data[key] = e[key]
			})
			this.addFormData.productList[index].productCount = 1
		},

3. Subtotal Transierunt (ratione attributi ratione pretii)

		<el-form ref="addFormRef" :model="addFormData" :rules="addFormRules" size="mini" :inline="true">
			<el-table tooltip-effect="light" :data="addFormData.productList" >
				<el-table-column label="小计￥元" prop="totalAmount" width="100">
					<template slot-scope="scope">
						<div class="notext">
							{{ getTotalAmount(scope.row) }}
						</div>
					</template>
				</el-table-column>
				<el-table-column label="操作" align="center" class-name="small-padding fixed-width" fixed="right"
					width="150">
					<template slot-scope="scope">
						<el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdateYes(scope.row)"
							v-hasPermi="['system:order:edit']">增加</el-button>
						<el-button size="mini" type="text" icon="el-icon-delete" @click="handleDeleteProduct(scope.row)"
							v-hasPermi="['system:order:remove']">删除</el-button>
					</template>
				</el-table-column>
			</el-table>
			<el-form-item size="large">
				<el-button type="primary" @click="handleSubmitAdd">提交</el-button>
				<el-button @click="handleCancelAdd">取消</el-button>
			</el-form-item>
		</el-form>

	computed: {
		getTotalAmount(){
			return (data) => {
				//先判断单价和数量必须存在
				if (data.productCount && data.price) {
					data.totalAmount = parseInt(data.productCount) * parseInt(parseFloat(data.price))
					return data.totalAmount
				} else {
					return 0.00
				}
			}
		}
	},

4. Alterum ordinem ad reuse notitia ordinis prioris adde.

		handleUpdateYes(row) {
            //拿到上一行数据再往数组中push（）新的数据
			this.addFormData.productList.push({
				productName: row.productName,//产品名称
				price: row.price,//单价(元/㎡)
				productCount: row.productCount, //产品件数
				totalAmount: '', //小计￥元
			})
		},

5 quaedam linea Delere

		// 删除产品
		handleDeleteProduct(row) {
			this.$confirm('此操作将永久删除该产品信息, 是否继续?', '提示', {
				confirmButtonText: '确定',
				cancelButtonText: '取消',
				type: 'warning'
			}).then(() => {
				this.$message({
					type: 'success',
					message: '删除成功!'
				});
				this.addFormData.productList.splice(row.index, 1)
			}).catch(() => {
				this.$message({
					type: 'info',
					message: '已取消删除'
				});
			});
		},

6. Click Submit cognoscere forma.

		// 添加订单表单提交
		handleSubmitAdd() {
			this.$refs.addFormRef.validate(async (valid) => {
				if (!valid) return
				//校验通过 往下执行
			})
		},