我有一個 yaml 文件，我正在嘗試讀入并循環(huán)提取一些數(shù)據(jù)。我的 yaml 示例---THE/NAME/DOESNT/MATTER: TEST_NAME: THIS/IS/WHAT/IS/DISPLAYS/ON/THE/HTML RUN_PATH: example/testfiles/release SOMETHING_ELSE: [1,2,3]ANOTHER/PATH/LIKE/STRING: TEST_NAME: USED/FOR/THE/HTML RUN_PATH: example/testfiles/foo我的代碼package mainimport ( "fmt" "os" "io/ioutil" "gopkg.in/yaml.v3")func main() { reportYAML := os.Args[1] // userDictionary := os.Args[2] yfile, err := ioutil.ReadFile(reportYAML) if err != nil { fmt.Printf("ERROR: Unable to open yaml file : %s\n", err) } data := make(map[interface{}]interface{}) error := yaml.Unmarshal([]byte(yfile), &data) if error != nil { fmt.Printf("ERROR: Unable to read yaml file : %s\n", err) } for _, value := range data { fmt.Printf("%T\n", value) } }yaml 將以類似的模式重復(fù)，我正在嘗試提取 TEST_NAME 和 RUN_PATH。帶 %T 的 Printf 給我map[string]interface {}和 %smap[RUN_PATH:example/testfiles/release SOMETHING_ELSE:[%!s(int=1) %!s(int=2) %!s(int=3)] TEST_NAME:THIS/IS/WHAT/IS/DISPLAYS/ON/THE/HTML]我一直在嘗試value["TESTNAME"]、value.(string)["TESTNAME"]和value["TESTNAME"].(string)其他一些變體，但它們都給我錯誤。我知道這是一個簡單的問題，但我對 GO 的經(jīng)驗(yàn)很少，無法從以前類似的 stackoverflow 帖子中解決附加上下文：每個 yaml 頂級鍵將包含多個鍵：值對，但我只對 TEST_NAME 和 RUN_PATH 感興趣
1 回答
慕田峪7331174
TA貢獻(xiàn)1828條經(jīng)驗(yàn) 獲得超13個贊
如果您只關(guān)心幾個特定的鍵，只需創(chuàng)建一個數(shù)據(jù)結(jié)構(gòu)來公開這些值：
package main
import (
"fmt"
"io/ioutil"
"os"
"gopkg.in/yaml.v3"
)
type (
Entry struct {
TestName string `yaml:"TEST_NAME"`
RunPath string `yaml:"RUN_PATH"`
}
)
func main() {
reportYAML := os.Args[1]
// userDictionary := os.Args[2]
yfile, err := ioutil.ReadFile(reportYAML)
if err != nil {
fmt.Printf("ERROR: Unable to open yaml file : %s\n", err)
}
data := make(map[string]Entry)
error := yaml.Unmarshal([]byte(yfile), &data)
if error != nil {
fmt.Printf("ERROR: Unable to read yaml file : %s\n", err)
}
for _, value := range data {
fmt.Printf("test_name: %s\n", value.TestName)
fmt.Printf("run_path: %s\n", value.RunPath)
}
}
針對您的示例數(shù)據(jù)運(yùn)行上述代碼會產(chǎn)生：
test_name: THIS/IS/WHAT/IS/DISPLAYS/ON/THE/HTML
run_path: example/testfiles/release
test_name: USED/FOR/THE/HTML
run_path: example/testfiles/foo
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