From 81fb0900df4432e595ecfda2e7164840aefcc92b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=99=BD=E8=8C=B6=E6=B8=85=E6=AC=A2?=
 <go_developer@163.com>
Date: Tue, 9 Nov 2021 20:56:28 +0800
Subject: [PATCH] =?UTF-8?q?json2GO=E5=AE=8C=E6=88=90=E5=AF=B9Object?=
 =?UTF-8?q?=E7=9A=84=E6=94=AF=E6=8C=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 tool/json2go/parser.go | 135 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 tool/json2go/parser.go

diff --git a/tool/json2go/parser.go b/tool/json2go/parser.go
new file mode 100644
index 0000000..6fc7f90
--- /dev/null
+++ b/tool/json2go/parser.go
@@ -0,0 +1,135 @@
+// Package json2go ...
+//
+// Description : json2go ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2021-11-09 3:44 下午
+package json2go
+
+import (
+	"fmt"
+	"strings"
+
+	"git.zhangdeman.cn/zhangdeman/gopkg/util"
+
+	"github.com/pkg/errors"
+	"github.com/tidwall/gjson"
+)
+
+var (
+	// structName 结构体名称
+	structName = "Automatic"
+)
+
+// NewJSON2GO ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 6:13 下午 2021/11/9
+func NewJSON2GO(name string) *JSON2GO {
+	if len(name) == 0 {
+		name = structName
+	}
+	return &JSON2GO{
+		structName: name,
+		result:     "type " + name + " struct { \n",
+	}
+}
+
+// JSON2GO ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 6:12 下午 2021/11/9
+type JSON2GO struct {
+	structName string
+	result     string
+}
+
+// Parse ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 3:44 下午 2021/11/9
+func (jg *JSON2GO) Parse(inputJSON string) (string, error) {
+	if !gjson.Valid(inputJSON) {
+		return "", errors.New("input json is invalid")
+	}
+	parseResult := gjson.Parse(inputJSON)
+	if parseResult.IsArray() {
+		jg.parseArray("", parseResult)
+	} else {
+		jg.parseObject("", parseResult)
+	}
+	jg.result += "}"
+	return jg.result, nil
+}
+
+// parseArray 解析array
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 4:37 下午 2021/11/9
+func (jg *JSON2GO) parseArray(key string, parseResult gjson.Result) string {
+	for _, v := range parseResult.Array() {
+		if v.IsObject() {
+			jg.parseObject(key, v)
+		} else if v.IsArray() {
+			jg.parseArray("", v)
+		} else {
+			jg.result += util.SnakeCaseToCamel(key) + " " + v.Type.String() + " `json:\"" + key + "\"`"
+		}
+	}
+	return ""
+}
+
+// parseObject 解析object
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 4:37 下午 2021/11/9
+func (jg *JSON2GO) parseObject(key string, parseResult gjson.Result) string {
+	if len(key) > 0 {
+		jg.result += util.SnakeCaseToCamel(key) + " struct { \n"
+	}
+	for k, v := range parseResult.Map() {
+		if v.IsObject() {
+			jg.parseObject(k, v)
+		} else if v.IsArray() {
+			jg.parseArray(k, v)
+		} else {
+			jg.result += util.SnakeCaseToCamel(k) + " " + jg.getDataType(v) + " `json:\"" + k + "\"`\n"
+		}
+	}
+	if len(key) > 0 {
+		jg.result += " } `json:\"" + key + "\"`\n"
+	}
+	return ""
+}
+
+// getDataType 获取数据类型
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 8:14 下午 2021/11/9
+func (jg *JSON2GO) getDataType(val gjson.Result) string {
+	switch val.Type {
+	case gjson.True:
+		fallthrough
+	case gjson.False:
+		return "bool"
+	case gjson.Null:
+		return "map[string]interface{}"
+	case gjson.String:
+		return "string"
+	case gjson.Number:
+		tmpVal := fmt.Sprintf("%v", val.Num)
+		if strings.Contains(tmpVal, ".") {
+			return "float64"
+		}
+		return "int64"
+	default:
+		return "interface{}"
+	}
+}