From 43aabcf6108a554ea568398a8f92002ad584539d Mon Sep 17 00:00:00 2001
From: kingecg <kingecg@qq.com>
Date: Sun, 8 Mar 2026 16:31:16 +0800
Subject: [PATCH] =?UTF-8?q?```=20feat(gjson):=20=E6=B7=BB=E5=8A=A0JSON?=
 =?UTF-8?q?=E5=80=BC=E6=AF=94=E8=BE=83=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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新增Compare函数用于比较两个JSONValue类型的值，支持字符串和数字类型比较。
函数会检查类型一致性并返回比较结果，相同类型返回0，小于返回-1，大于返回1。
```
---
 compare.go | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 compare.go

diff --git a/compare.go b/compare.go
new file mode 100644
index 0000000..7948750
--- /dev/null
+++ b/compare.go
@@ -0,0 +1,37 @@
+package gjson
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"strings"
+)
+
+func Compare(a, b JSONValue) (int, error) {
+	if a == nil || b == nil {
+		return 0, errors.New("cannot compare nil values")
+	}
+
+	typeA := reflect.TypeOf(a)
+	typeB := reflect.TypeOf(b)
+
+	if typeA != typeB {
+		return 0, fmt.Errorf("cannot compare different types: %s vs %s", typeA, typeB)
+	}
+
+	switch vA := a.(type) {
+	case *JSONString:
+		vB := b.(*JSONString)
+		return strings.Compare(vA.value, vB.value), nil
+	case *JSONNumber:
+		vB := b.(*JSONNumber)
+		if vA.value < vB.value {
+			return -1, nil
+		} else if vA.value > vB.value {
+			return 1, nil
+		}
+		return 0, nil  // 当两个数相等时返回0
+	}
+	
+	return 0, nil  // 默认返回，理论上不会执行到这里
+}
\ No newline at end of file