无法使用 morris.js 读取未定义的属性“x”

Question

我面临一个新问题。下面是我的 JSON 编码数据：

{"1":{"day":"1","ccase":3,"ongoing":2,"done":1},

 "2":{"day":"2","ccase":110,"ongoing":8,"done":0},

 "3":{"day":"3","ccase":"4","ongoing":"0","done":"0"}}

如何使用Morris.js设置多折线图？

Answer 1

示例控制器&nbsp; &nbsp; <?phpclass Chart extends CI_Controller{&nbsp; &nbsp; function __construct(){&nbsp; &nbsp; &nbsp; parent::__construct();&nbsp; &nbsp;&nbsp; &nbsp; }&nbsp; &nbsp; function index(){&nbsp; &nbsp; &nbsp; $data = $this->chart_model->get_data();&nbsp; &nbsp; &nbsp; $x['data'] = json_encode($data);&nbsp; &nbsp; &nbsp; $this->load->view('chart_view',$x);&nbsp; &nbsp; }}示例视图<div id="graph"></div><script src="<?php echo base_url().'assets/js/jquery.min.js'?>"></script><script src="<?php echo base_url().'assets/js/raphael-min.js'?>"></script><script src="<?php echo base_url().'assets/js/morris.min.js'?>"></script><script>&nbsp; &nbsp; Morris.Bar({&nbsp; &nbsp; &nbsp; element: 'graph',&nbsp; &nbsp; &nbsp; data: <?php echo $data;?>,&nbsp; &nbsp; &nbsp; xkey: 'year',&nbsp; &nbsp; &nbsp; ykeys: ['purchase', 'sale', 'profit'],&nbsp; &nbsp; &nbsp; labels: ['Purchase', 'Sale', 'Profit']&nbsp; &nbsp; });</script>