我正在開發一個網站，后端使用 Go，前端使用 Angular。在 Go 中，我從數據庫中獲取原始數據并引用固定設置表（JSON 格式），然后覆蓋到相應的列。原始數據如下所示： Site Code Main 0700-Shift 010_A 2135-Packing 030_C 3343-Check 050_E 4355-Casting 080_H 6903-ReDo Test 020_B 2277-Scope chk 040_D我削減了設置表的一部分：[{"010_A": [{ "Code1": "010_01", "Code2": "", "Seq": "000 Start",},{ "Code1": "010_07", "Code2": "010_0700", "Seq": "010 Shift"},],"020_B": [{ "Code1": "020_69", "Code2": "", "Seq": "000 ReDo Test"},{ "Code1": "020_27", "Code2": "", "Seq": "000 Redo Combine"}],"080_H": [{ "Code1": "080_06", "Code2": "", "Seq": "005 Merge"},{ "Code1": "080_43", "Code2": "", "Seq": "010 Casting"},{ "Code1": "080_66", "Code2": "080_6621", "Seq": "100 Cooling"}]}]用于設置表的 Go 結構是：type Settingtable struct { Code1 string Code2 string Seq string}我先使用“Main”檢查設置表“010_A”到“080_H”，如果匹配則使用“Code”的前4位檢查設置表中的“Code2”。如果“Main”和“Code2”都匹配，則返回“Seq”并粘貼到“Site”列。以下是我堅持的地方：package mainimport ("encoding/json""fmt")func main() { var jsonBlob = []byte(`[ {"010_A": [ { "Code1": "010_02", "Code2": "010_0231", "Seq": "000 Start" }, { "Code1": "010_08", "OP_CODE": "010_0822", "Seq": "010 Shift" } ], "020_B": [{ "Code1": "020_69", "Code2": "020_7011", "Seq": "000 ReDo Test" }, { "Code1": "020_27", "Code2": "", "Seq": "000 Redo Combine" } ], "080_H": [ { "Code1": "080_06", "Code2": "", "Seq": "005 Merge" }, { "Code1": "080_43", "Code2": "", "Seq": "010 Casting" }, { "Code1": "080_66", "Code2": "080_6621", "Seq": "100 Cooling" } ]} ]`)它只返回第一個結果更不用說我想做的下一個功能（循環輸入搜索條件，粘貼到原始數據列..）
1 回答
蕪湖不蕪
TA貢獻1796條經驗 獲得超7個贊
我不確定我是否正確理解你想要什么，所以我寫了一個片段：
package main
import (
"encoding/json"
"fmt"
"log"
)
type Setting struct {
Code1 string
Code2 string
Seq string
}
type entry struct {
site string
code string
main string
}
func main() {
entries := []entry{
{"", "0700-Shift", "010_A"},
{"", "2135-Packing", "030_C"},
{"", "3343-Check", "050_E"},
{"", "4355-Casting", "080_H"},
{"", "6903-ReDo Test", "020_B"},
{"", "2277-Scope chk", "080_H"},
}
var jsonBlob = []byte(`[
{"010_A": [
{
"Code1": "010_02",
"Code2": "010_0231",
"Seq": "000 Start"
},
{
"Code1": "010_08",
"OP_CODE": "010_0822",
"Seq": "010 Shift"
}
],
"020_B": [{
"Code1": "020_69",
"Code2": "020_7011",
"Seq": "000 ReDo Test"
},
{
"Code1": "020_27",
"Code2": "",
"Seq": "000 Redo Combine"
}
],
"080_H": [
{
"Code1": "080_06",
"Code2": "",
"Seq": "005 Merge"
},
{
"Code1": "080_43",
"Code2": "",
"Seq": "010 Casting"
},
{
"Code1": "080_66",
"Code2": "080_6621",
"Seq": "100 Cooling"
},
{
"Code1": "080_66",
"Code2": "2277",
"Seq": "Test"
}
]}
]`)
datas := []map[string][]Setting{}
if err := json.Unmarshal(jsonBlob, &datas); err != nil {
log.Fatal(err)
}
for key, settings := range datas[0] {
for _, setting := range settings {
for k, e := range entries {
if e.main == key && setting.Code2 == e.code[:4] {
entries[k].site = setting.Seq
}
}
}
}
fmt.Println(entries)
}
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