如何解决对嵌套数据进行反应选择
我正在尝试创建一个嵌套的选择optgroup,并尝试了以下方法,
const data = [
{
sectorId: 5,sectorName: "Sector One",departments: [
{
deptName: "Production",jobtitles: [
{
JobTitleID: 167,DepartmentID: 51,JobName: "Production Manager",Deleted: false,SortOrder: 5
},{
JobTitleID: 178,JobName: "Production Supervisor",SortOrder: 3
},{
JobTitleID: 449,JobName: "Senior Wall Panel Designer",SortOrder: 15
}
]
},{
deptName: "Design/Engineering",jobtitles: [
{
JobTitleID: 294,DepartmentID: 52,JobName: "Senior Truss Designer",SortOrder: 5
}
]
}
]
},{
sectorId: 24,sectorName: "Sector Two",departments: [
{
deptName: "Consulting",jobtitles: [
{
JobTitleID: 191,DepartmentID: 92,JobName: "Saw Shop Supervisor",SortOrder: 1
},{
JobTitleID: 474,JobName: "Senior Truss Designer - Part Time",SortOrder: 11
}
]
},{
deptName: "Administration",jobtitles: [
{
JobTitleID: 461,DepartmentID: 114,JobName: "Sawyer",SortOrder: 7
},{
JobTitleID: 278,JobName: "Service Manager",SortOrder: 2
}
]
}
]
}
];
const App = () => {
return (
<select>
{data.map((levelOne,i) => (
<optgroup label={levelOne.sectorName} key={i}>
{levelOne.departments.map((levelTwo,j) => (
<optgroup label={levelTwo.deptName} key={j}>
{levelTwo.jobtitles.map((job,l) => (
<>
<option key={job.JobTitleID} value={job.JobTitleID}>
{job.JobName}
</option>
</>
))}
</optgroup>
))}
</optgroup>
))}
</select>
);
};
render(<App />,document.getElementById("root"));
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>
<div id="root"> </div>
这不提供嵌套的数据组,并且仅以单级本身停止。
当前输出:
Sector One
Sector Two
预期输出:
Sector One
Production
-> Production Manager
-> Production Supervisor
-> Senior Wall Panel Designer
Design/Engineering
-> Senior Truss Designer
Sector Two
Consulting
-> Saw Shop Supervisor
-> Senior Truss Designer - Part Time
Administration
-> Sawyer
-> Service Manager
在这里只有职位是选项,因此根据上述数据,具有->
的列表将单独成为选项,其他列表将作为标签。
因此,仅使用optgroup,我才尝试了上面的代码,但是不知道我在做什么错误,导致未按预期结果填充数据。
添加任何其他基于反应的库来实现此目的也很受欢迎。
解决方法
- optgroup可能不嵌套,因此仅显示扇区名称;
- 您可以尝试使用react-selector库。这是我发现的带有嵌套级别的示例react-select nested groups。
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