[//]: # (Author: bug)
[//]: # (Date: 2020-11-01 16:26:41)
### json 数据源
```xml
	
	
	
	
	
	
	
	
	多态数据结构
	
	
	
	
	 使用;来分隔
	
	
	
	 
```
递归遍历test/json_datas整个目录树,**按文件名排序后**依次将每个json数据当作一个记录读入。其中1.json文件内容如下
```json
 {
	"x1":true,
	"x2":3,
	"x3":128,
	"x4":1,
	"x5":11223344,
	"x6":1.2,
	"x7":1.23432,
	"x10":"hq",
	"x12": { "x1":10},
	"x13":"B",
	"x14":{"__type__": "DemoD2", "x1":1, "x2":2},
	"v2":{"x":1, "y":2},
	"v3":{"x":1.1, "y":2.2, "z":3.4},
	"v4":{"x":10.1, "y":11.2, "z":12.3, "w":13.4},
	"t1":"1970-01-01 00:00:00",
	"k1":[1,2],
	"k2":[2,3],
	"k7":[2,3],
	"k8":[[2,2],[4,10]],
	"k9":[{"y1":1, "y2":true},{"y1":2, "y2":false}],
	"k15":[{"__type__": "DemoD2", "x1":1, "x2":2}]
 }
```