51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
package service
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import (
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"encoding/json"
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"fmt"
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)
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// ExtractPaperIDFromTaskContent 从任务 content JSON 中解析试卷 ID（支持 exam_id/paper_id/examId/paperId，含数字）
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func ExtractPaperIDFromTaskContent(content json.RawMessage) string {
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if len(content) == 0 {
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return ""
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}
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var m map[string]interface{}
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if err := json.Unmarshal(content, &m); err != nil {
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return ""
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}
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paperID := stringFromMap(m, "exam_id", "paper_id", "examId", "paperId")
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if paperID != "" {
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return paperID
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}
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if obj, ok := m["objective"].(map[string]interface{}); ok {
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paperID = stringFromMap(obj, "exam_id", "paper_id", "examId", "paperId")
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}
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return paperID
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}
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func stringFromMap(m map[string]interface{}, keys ...string) string {
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for _, k := range keys {
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v, ok := m[k]
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if !ok || v == nil {
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continue
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}
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switch val := v.(type) {
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case string:
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if val != "" {
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return val
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}
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case float64:
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if val == float64(int64(val)) {
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return fmt.Sprintf("%d", int64(val))
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}
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return fmt.Sprintf("%.0f", val)
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case int:
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return fmt.Sprintf("%d", val)
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case int64:
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return fmt.Sprintf("%d", val)
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}
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}
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return ""
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}
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