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我有一个如下所示的树,并希望保存为json格式?让golang中的节点树成为json?
package main
import ( "fmt")
type Node struct {
Id string
Nodes []*Node
}
func main() {
node1 := Node{Id: "1"}
node2 := Node{Id:"2"}
node3 := Node{Id: "3"}
node4 := Node{Id: "4"}
node1.Nodes = append(node1.Nodes, &node2)
node2.Nodes = append(node2.Nodes, &node3)
node3.Nodes = append(node3.Nodes, &node4)
fmt.Printf("node1: %p %v \n", &node1, node1)
}
输出JSON我想是这样的,怎么办呢?:
{
Id:"1",
Nodes:[
Id:"2",
Nodes:[
Id:"3",
Nodes:[Id:"4",Nodes:[]]
],
]
}
这对我来说看起来不像是有效的json。那就是说,你看过[json.Marshal](http://golang.org/pkg/encoding/json/#Marshal)吗? – bereal