[英]Golang update json field with arbitrary json
給定一些 json 字符串和一個 jsonpath
myJson := `{
"test": {
"foo1": "bar1",
"foo2": "bar2"
}
}`
jsonPath := "test.foo2"
和另一個包含任意 json 的字符串
arbitraryJson := `{
"a": "apple",
"b": [1,2]
}`
如何更新原始 json 字符串,以在指定路徑包含任意 json?
// expected output:
`{
"test": {
"foo1": "bar1",
"foo2": {
"a": "apple",
"b": [1,2]
}
}
}`
找到解決方案
使用https://github.com/tidwall/sjson
我本來是直接設置 json 字符串,導致它被解釋為字符串
// This doesn't work:
newJson, err := sjson.Set(MyJson, jsonPath, arbitraryJson)
// output
`{
"test": {
"foo1": "bar1",
"foo2": "{\"a\": \"apple\",\"b\": [1,2]}"
}
}`
但是首先解組任意 json 會給出預期的結果
var unmarshalled any
_ = json.Unmarshal([]byte(arbitraryJson), &unmarshalled)
newJson, err := sjson.Set(MyJson, jsonPath, unmarshalled)
// output
`{
"test": {
"foo1": "bar1",
"foo2": {
"a": "apple",
"b": [1,2]
}
}
}`
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