清理JSON字符串，去除可能导致JSON编码失败的字符
(input string, reqID string)
| 980 | |
| 981 | // 清理JSON字符串，去除可能导致JSON编码失败的字符 |
| 982 | func sanitizeJsonString(input string, reqID string) string { |
| 983 | if input == "" { |
| 984 | return input |
| 985 | } |
| 986 | |
| 987 | // 记录原始长度 |
| 988 | originalLen := len(input) |
| 989 | |
| 990 | // 移除控制字符（除了常见的换行、回车、制表符） |
| 991 | cleanStr := strings.Map(func(r rune) rune { |
| 992 | if r < 32 && r != '\n' && r != '\r' && r != '\t' { |
| 993 | return -1 // 删除字符 |
| 994 | } |
| 995 | return r |
| 996 | }, input) |
| 997 | |
| 998 | // 处理不成对的引号和转义字符 |
| 999 | var result strings.Builder |
| 1000 | inBackslash := false |
| 1001 | openQuote := false |
| 1002 | |
| 1003 | for _, ch := range cleanStr { |
| 1004 | switch { |
| 1005 | case inBackslash: |
| 1006 | inBackslash = false |
| 1007 | result.WriteRune(ch) |
| 1008 | case ch == '\\': |
| 1009 | inBackslash = true |
| 1010 | result.WriteRune(ch) |
| 1011 | case ch == '"': |
| 1012 | openQuote = !openQuote |
| 1013 | result.WriteRune(ch) |
| 1014 | default: |
| 1015 | result.WriteRune(ch) |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | // 确保JSON合法性 |
| 1020 | cleanedStr := result.String() |
| 1021 | |
| 1022 | // 在关键位置添加额外日志，帮助排查问题 |
| 1023 | if originalLen != len(cleanedStr) { |
| 1024 | logDebug("[reqID:%s] JSON清理: 原始长度=%d, 清理后长度=%d", |
| 1025 | reqID, originalLen, len(cleanedStr)) |
| 1026 | |
| 1027 | // 输出清理前后的部分样本用于比较 |
| 1028 | sampleSize := 50 |
| 1029 | if originalLen < sampleSize { |
| 1030 | sampleSize = originalLen |
| 1031 | } |
| 1032 | |
| 1033 | logDebug("[reqID:%s] 清理前样本: %s", reqID, input[:sampleSize]) |
| 1034 | if len(cleanedStr) < sampleSize { |
| 1035 | sampleSize = len(cleanedStr) |
| 1036 | } |
| 1037 | |
| 1038 | if sampleSize > 0 { |
| 1039 | logDebug("[reqID:%s] 清理后样本: %s", reqID, cleanedStr[:sampleSize]) |
no test coverage detected