问题描述
我正在尝试从给定的json创建表。这是json结构。我正在使用简单的html表来使表结构与下面的快照中提到的相同。由于数据的动态表结构在我的情况下无法正常显示。
{
"e_id": "1234","e_o_name": "Contact_info","matching_details": [
{
"me_value": "value1","matching_attributes": [
{
"me_id": "1234","me_name": "28 sai","me_list": [
{
"me_type": "Email ID","me_email_list": [
{
"me_value": "a@gmail"
},{
"me_value": "b@gmail"
}
],"me_percent": "100"
}
]
},{
"me_id": "5678","me_name": "29 meena","me_email_list": [
{
"me_value": "c@gmail.com"
},{
"me_value": ",d@gmail.com"
}
],"me_percent": "100"
}
]
}
]
},{
"me_value": "value2","me_name": "rimzim","me_email_list": [
{
"me_value": "p@gmail"
},{
"me_value": "q@gmail"
}
],"me_name": "ranu","me_email_list": [
{
"me_value": "t@gmail.com"
},u@gmail.com"
}
],]}
enter code here<table>
<tbody>
<tr>
<th>contact</th>
<th>ty</th>
<th>ed</th>
<th>mail</th>
<th>percent</th>
</tr>
<tr>
<td rowspan="4">data.e_o_name</td>
<td rowspan="2" *ngFor="let match of data.matching_details">{{match.me_value}}</td>
<td>28 sai</td>
<th>a@gmail,b@gmail</th>
<td>100</td>
</tr>
</tbody>
同样需要帮助,在此先感谢
解决方法
我将准备适当的表行结构以呈现此复杂表。
component.ts(或service.ts)
rows = [];
generateTable() {
if (!this.data) {
return;
}
this.rows.push([
{
text: this.data.e_o_name,rowspan: 0
}
]);
let maxRowSpan = 0;
this.data.matching_details.forEach((detail,i) => {
const elemRowSpan = Math.max(detail.matching_attributes.length,1);
maxRowSpan += elemRowSpan;
if (i > 0) {
this.rows.push([])
}
this.rows[this.rows.length - 1].push({
text: detail.me_value,rowspan: elemRowSpan
});
detail.matching_attributes.forEach((attr,j) => {
if (j > 0) {
this.rows.push([])
}
const mail = attr.me_list[0];
this.rows[this.rows.length - 1].push(
{
text: attr.me_name,rowspan: 1
},{
text: mail.me_email_list.map(({ me_value }) => me_value).join(','),{
text: mail.me_percent,rowspan: 1
}
);
})
});
this.rows[0][0].rowspan = maxRowSpan;
}
template.html
<table>
<tbody>
<tr>
<th>contact</th>
<th>ty</th>
<th>ed</th>
<th>mail</th>
<th>percent</th>
</tr>
<tr *ngFor="let row of rows">
<td *ngFor="let col of row" [attr.rowSpan]="col.rowspan">{{ col.text }}</td>
</tr>
</tbody>
</table>