// 有个特别注意的地方,下面这行代码,key一定绑的是item,千万不要绑定index,不然就会出现异常
//<el-table-column v-for="(item,index) in titleList" :key="item"  min-width="150" align="center"><el-table fit :data="definitionList2" border style="margin-top:10px"><el-table-column prop="payeeType" label="车牌号"  fixed="left" width="100" align="center"><template v-slot="{row}"><el-input v-model="row.payeeType"></el-input></template></el-table-column><el-table-column prop="customName" label="超期租金" width="100" align="center"><template v-slot="{row}"><el-input v-model="row.customName"></el-input></template></el-table-column><el-table-column prop="carNo" label="违约金" min-width="150" align="center"><template v-slot="{row}"><el-input v-model="row.carNo"></el-input></template></el-table-column><el-table-column prop="title" label="违章费" min-width="150" align="center"><template v-slot="{row}"><el-input v-model="row.title"></el-input></template></el-table-column><el-table-column prop="pushType2" label="车损费用" min-width="150" align="center"><template v-slot="{row}"><el-input v-model="row.pushType2"></el-input></template></el-table-column><el-table-column prop="pushType2" label="加速折旧费" min-width="150" align="center"><template v-slot="{row}"><el-input v-model="row.pushType2"></el-input></template></el-table-column><el-table-column prop="pushType2" label="超里程费" min-width="150" align="center"><template v-slot="{row}"><el-input v-model="row.pushType2"></el-input></template></el-table-column><el-table-column prop="pushType2" label="尾款" min-width="150" align="center"><template v-slot="{row}"><el-input v-model="row.pushType2"></el-input></template></el-table-column><el-table-column prop="pushType2" label="客户理赔款" min-width="150" align="center"><template v-slot="{row}"><el-input v-model="row.pushType2"></el-input></template></el-table-column><el-table-column prop="pushType2" label="其他扣款费用" min-width="150" align="center"><template v-slot="{row}"><el-input v-model="row.pushType2"></el-input></template></el-table-column>// 前面是固定列,后面是可以加减的列<el-table-column v-for="(item,index) in titleList" :key="item"  min-width="150" align="center"><template slot="header" slot-scope="scope"><span>{{ item }}</span><i class="el-icon-delete delet_tit" @click="titDelet(item)" ></i></template><template slot-scope="scope"><el-input v-model="scope.row.item" ></el-input></template></el-table-column></el-table>// 新增弹框<el-dialog title="添加表格列" :visible.sync="dialogFormVisible" :modal='false' :close-on-click-modal="false" width="30%"><el-input v-model="colName" placeholder="请输入要增加的列名" style="width: 100%;"></el-input><div slot="footer" class="dialog-footer"><el-button @click="dialogFormVisible = false">取 消</el-button><el-button type="primary" @click="getcol()">确 定</el-button></div></el-dialog>

// 这是方法// 添加费用项类型addFess(){this.dialogFormVisible = true},getcol(){this.addCol()this.dialogFormVisible = falsethis.colName = ''},//新增列addCol(){this.dialogFormVisible = trueif(this.colName !==''){this.titleList.push(this.colName)}},// 删除列titDelet(value){this.titleList.map((res,index)=>{if(res==value){this.titleList.splice(index,1)return}})},