在jspdf autotable插件中访问嵌套的JSON属性

时间:2017-05-23 11:04:28

标签: jspdf jspdf-autotable

我刚开始使用jsPDF和AutoTable插件,它几乎是我们使用它的完美选择。一个问题......

是否可以将列定义中的dataKey分配给映射到表的JSON中的嵌套属性?

我们有一个JSON结构,如下所示:

"Primary_Key": "12345",
"Site_Name": {
  "Address_Name": "Address 1"
  },
"Default_Screen_Name": "Bob",
"Full_Name": "Bob Smith"

如果我们使用以下列:

var columns = [
  { title: "ID", dataKey: "Primary_Key" },
  { title: "Screen Name", dataKey: "Default_Screen_Name" },
  { title: "Full Name", dataKey: "Full_Name" }];

一切都很完美。但是,我们还想做以下事情:

var columns = [
  { title: "ID", dataKey: "Primary_Key" },
  { title: "Iterations", dataKey: "Iterations" },
  { title: "Screen Name", dataKey: "Default_Screen_Name" },
  { title: "Site Name", dataKey: "Site_Name.Address_Name" }];

我们使用Site_Name.Address_Name索引嵌套的JSON对象以检索值。

这样的事情可能吗?

1 个答案:

答案 0 :(得分:4)

目前不是。您可以关注该功能请求here。您的选项目前要么是在将数据传递给autotable之前将其展平,要么使用钩子来提取所需的特定文本。这可以这样做:



var columns = [
    {title: "ID", dataKey: "id"},
    {title: "Name", dataKey: "name"}, 
    {title: "Country", dataKey: "address"}
];
var rows = [
    {id: 1, name: "Shaw", address: {country: "Tanzania"}},
    {id: 2, name: "Nelson", address: {country: "Kazakhstan"}},
    {id: 3, name: "Garcia", address: {country: "Madagascar"}}
];

var doc = jsPDF();
doc.autoTable(columns, rows, {
   createdCell: function(cell, data) {
       if (data.column.dataKey === 'address') {
           cell.text = cell.raw.country;
       }
   }
});
doc.save('table.pdf');

<script src="https://unpkg.com/jspdf@1.3.3/dist/jspdf.min.js"></script>
<script src="https://unpkg.com/jspdf-autotable@2.3.1/dist/jspdf.plugin.autotable.js"></script>
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更新以获取评论中的其他问题(需要v2.3.2):

var columns = [
    {title: "Country", dataKey: "address", displayProperty: "country"},
    ...
];
var rows = [...];

...

createdCell: function(cell, data) {
   if (data.column.dataKey === 'address') {
       var prop = data.column.raw.displayProperty;
       cell.text = cell.raw[prop];
   }
}