第一层是父节点,点击下面的子节点,子节点已经被选中了,但是没有选中打勾的效果
全选所有、选择父级都可以,但是只要父级下面有多个子节点,选择其中一个子节点的时候就不行,如果只有一个子节点也是可以的
<el-table
v-loading="loading"
:data="customList"
@selection-change="handleSelectionChange"
:row-key='rowKeyFunc'
:tree-props="{children: 'children'}"
:row-class-name="rowClassNameFun"
ref="table"
@select-all="selectAllFun"
@select="selectFun"
>
<el-table-column type="selection" width="55" align="center"/>
<el-table-column label="买家名称" align="center" prop="customName" width="120px"/>
<el-table-column
label="联系人"
align="center"
prop="linkman"
width="180"
>
</el-table-column>
<el-table-column
label="联系电话"
align="center"
width="200"
prop="phone"
/>
<el-table-column
label="地址"
align="center"
width="200"
prop="address"
/>
</el-table>
isFun: false,
oneProductIsSelect: [],
// 遮罩层
loading: true,
// 选中数组
ids: [],
// 非单个禁用
single: true,
// 非多个禁用
multiple: true,
// 当前编辑数据
current: null,
// 是否显示编辑弹窗
showEdit: false,
//买家添加弹框
showCustomAdd: false,
// 是否显示导入弹窗
showImport: false,
// 搜索表单是否展开
searchExpand: false,
statisticsNum: [],
count: 0,
isSelectAll: false,//全选标识
selectIds: [],//全选ids
// 操作类型
type: null,
customList: [],
// 查询列表
async getList() {
this.loading = true;
const res = await getCustomList({});
this.customList = this.$util.toTreeData({
data: res,
idField: "idStr",
parentIdField: "parentStr",
});
//这一步是为了将父和子之间有联系,给子定义一个taskId,将子的taskId和父的id一致
this.customList.forEach((item, index) => {
if (item.children) {
item.children.forEach((cItem, cIndex) => {
cItem.taskId = item.linkmanId;
});
}
});
// 由于后端返回的数组id不唯一(父里的id和其中一个子的id一样),然后:row-key='id'里面的id要是唯一值,所以处理了一下,将父的id改变,将数组里面的id都唯一,当然,你可以跟后端商量一下,返回给你一个唯一值,这个处理代码就可以省略了
this.customList = this.customList.map((item, index) => {
return {
...item,
uuid: `${index}-${this.guid()}`
}
})
this.loading = false; // 遮罩层
this.initData(this.customList)
},
initData(data) {
data.forEach((item) => {
item.isSelect = false; //默认为不选中
if (item.children && item.children.length) {
this.initData(item.children);
}
});
},
// 判断是不是全选
checkIsAllSelect() {
this.oneProductIsSelect = [];
this.customList.forEach((item) => {
this.oneProductIsSelect.push(item.isSelect);
});
//判断一级产品是否是全选.如果一级产品全为true,则设置为取消全选,否则全选
let isAllSelect = this.oneProductIsSelect.every((selectStatusItem) => {
return true == selectStatusItem;
});
return isAllSelect;
},
// 全选或者全不选(这个是祖父的勾选)
selectAllFun(selection) {
let isAllSelect = this.checkIsAllSelect();
this.customList.forEach((item) => {
item.isSelect = isAllSelect;
this.$refs.table.toggleRowSelection(item, !isAllSelect);
this.selectFun(selection, item);
});
},
selectFun(selection, row) {
this.setRowIsSelect(row);
},
setRowIsSelect(row) {
console.log(row);
//当点击父级点复选框时,当前的状态可能为未知状态,所以当前行状态设为false并选中,即可实现子级点全选效果
if (row.isSelect == "half") {
row.isSelect = false;
this.$refs.table.toggleRowSelection(row, true);
}
row.isSelect = !row.isSelect;
//判断操作的是子级点复选框还是父级点复选框,如果是父级点,则控制子级点的全选和不全选
if (row.children && row.children.length > 0) {
row.children.forEach((item) => {
item.isSelect = row.isSelect;
this.$refs.table.toggleRowSelection(item, row.isSelect);
});
} else {
//操作的是子节点 1、获取父节点 2、判断子节点选中个数,如果全部选中则父节点设为选中状态,如果都不选中,则为不选中状态,如果部分选择,则设为不明确状态
let parentId = row.taskId;
// this.customList.forEach((item) => {
// if (item.linkmanId == parentId) {
// item.children.forEach(obj=>{
// if (row.linkmanId == obj.linkmanId) {
// console.log(obj);
// this.$refs.table.toggleRowSelection(obj, true);
// }
// })
// }
// })
this.customList.forEach((item) => {
let isAllSelect = [];
if (item.linkmanId == parentId) {
console.log(item)
if (item.children) {
item.children.forEach((databaseSourceListItem) => {
isAllSelect.push(databaseSourceListItem.isSelect);
});
}
if (
isAllSelect.every((selectItem) => {
return true == selectItem;
})
) {
item.isSelect = true;
this.$refs.table.toggleRowSelection(item, true);
} else if (
isAllSelect.every((selectItem) => {
return false == selectItem;
})
) {
item.isSelect = false;
this.$refs.table.toggleRowSelection(item, false);
} else {
item.isSelect = "half";
}
}
});
}
},
rowClassNameFun({row}) {
if (row.isSelect == 'half') {
return "indeterminate";
}
},
//生成唯一ID
guid() {
return Number(
Math.random().toString().substr(3, 3) + Date.now()
).toString(36);
},
//row-key唯一值
rowKeyFunc(row) {
if (row.uuid) {
return row.uuid
} else {
return row.linkmanId
}
},
// 多选框选中数据,这个里面逻辑下面有提到
handleSelectionChange(selection) {
if (this.isFun) {
this.isFun = false
return
}
// 判断当前选中的节点是否有子节点
if (selection.length === 0) {
selection = []
this.ids = [];
this.isFun = true
this.multiple = !selection.length
return
}
this.single = selection.length !== 1;
this.multiple = !selection.length
this.ids = selection.map((item) => item.linkmanId);
},
::v-deep .indeterminate .el-table-column--selection .cell .el-checkbox {
display: block !important;
}
::v-deep .indeterminate .el-checkbox__input .el-checkbox__inner {
background-color: #4a97eb !important;
border-color: #4a97eb !important;
color: #fff !important;
}
::v-deep .indeterminate .el-checkbox__input.is-checked .el-checkbox__inner::after {
transform: scale(0.5);
}
::v-deep .indeterminate .el-checkbox__input .el-checkbox__inner::after {
border-color: #c0c4cc !important;
background-color: #c0c4cc;
}
::v-deep .indeterminate .el-checkbox__input .el-checkbox__inner::after {
content: "";
position: absolute;
display: block;
background-color: #fff;
height: 2px;
transform: scale(0.5);
left: 0;
right: 0;
top: 5px;
width: auto !important;
}
代码是参考这个写的 作者:阿wei程序媛 https://blog.csdn.net/m0_58565372/article/details/130766588
解决了,elementUI版本问题,"element-ui": "2.15.7" ->"element-ui": "2.15.13",升级到最新版就行了。然后自己补充了一个选中后的方法setSelectItem(),selectItem后来定义的选中后的数据,不包括半选节点