fix get on json

添加get模式支持json 标签，主要用于proto自动生成文件

common.go

@@ -24,10 +24,6 @@ import (
 	"google.golang.org/grpc/status"
 )
 
-func (b *_Base) parseReqResp(typ reflect.Type, isObj bool) (reflect.Type, reflect.Type) {
-	return nil, nil
-}
-
 // checkHandlerFunc Judge whether to match rules
 func (b *_Base) checkHandlerFunc(typ reflect.Type, isObj bool) (int, bool) { // 判断是否匹配规则,返回参数个数
 	offset := 0
@@ -267,8 +263,8 @@ func (b *_Base) getCallObj3(tvl, obj reflect.Value, methodName string) (func(*gi
 			return
 		}
 
-		var returnValues []reflect.Value
-		returnValues = tvl.Call([]reflect.Value{obj, reflect.ValueOf(apiFun(c)), req})
+		// var returnValues []reflect.Value
+		returnValues := tvl.Call([]reflect.Value{obj, reflect.ValueOf(apiFun(c)), req})
 
 		if returnValues != nil {
 			bainfo.Resp = returnValues[0].Interface()
@@ -320,11 +316,14 @@ func (b *_Base) handErrorString(c *gin.Context, req reflect.Value, err error) {
 	msg := message.GetErrorMsg(message.ParameterInvalid)
 	msg.Error = fmt.Sprintf("req param : %v", strings.Join(fields, ";"))
 	c.JSON(http.StatusBadRequest, msg)
-	return
 }
 
 func (b *_Base) unmarshal(c *gin.Context, v interface{}) error {
-	return c.ShouldBind(v)
+	err := c.ShouldBind(v)
+	if err != nil || strings.EqualFold(c.Request.Method, "get") { // get 模式 补刀json
+		err = mapJson(v, c.Request.Form)
+	}
+	return err
 }
 
 func (b *_Base) parserStruct(req, resp *parmInfo, astPkg *ast.Package, modPkg, modFile string) (r, p *mydoc.StructInfo) {
@@ -424,9 +423,10 @@ func (b *_Base) parserComments(f *ast.FuncDecl, objName, objFunc string, imports
 						gc.Methods = strings.Split(methods, ",")
 					}
 					gcs = append(gcs, gc)
-				} else {
-					// return nil, errors.New("Router information is missing")
 				}
+				// else {
+				// return nil, errors.New("Router information is missing")
+				// }
 			} else if strings.HasPrefix(t, objFunc) { // find note
 				t = strings.TrimSpace(strings.TrimPrefix(t, objFunc))
 				note += t

form_mapping.go

@@ -0,0 +1,388 @@
+// Copyright 2014 Manu Martinez-Almeida.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package ginrpc
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/xxjwxc/ginrpc/internal/bytesconv"
+	"github.com/xxjwxc/ginrpc/internal/json"
+)
+
+var errUnknownType = errors.New("unknown type")
+
+func mapJson(ptr interface{}, form map[string][]string) error {
+	return mapFormByTag(ptr, form, "json")
+}
+
+var emptyField = reflect.StructField{}
+
+func mapFormByTag(ptr interface{}, form map[string][]string, tag string) error {
+	// Check if ptr is a map
+	ptrVal := reflect.ValueOf(ptr)
+	var pointed interface{}
+	if ptrVal.Kind() == reflect.Ptr {
+		ptrVal = ptrVal.Elem()
+		pointed = ptrVal.Interface()
+	}
+	if ptrVal.Kind() == reflect.Map &&
+		ptrVal.Type().Key().Kind() == reflect.String {
+		if pointed != nil {
+			ptr = pointed
+		}
+		return setFormMap(ptr, form)
+	}
+
+	return mappingByPtr(ptr, formSource(form), tag)
+}
+
+// setter tries to set value on a walking by fields of a struct
+type setter interface {
+	TrySet(value reflect.Value, field reflect.StructField, key string, opt setOptions) (isSetted bool, err error)
+}
+
+type formSource map[string][]string
+
+var _ setter = formSource(nil)
+
+// TrySet tries to set a value by request's form source (like map[string][]string)
+func (form formSource) TrySet(value reflect.Value, field reflect.StructField, tagValue string, opt setOptions) (isSetted bool, err error) {
+	return setByForm(value, field, form, tagValue, opt)
+}
+
+func mappingByPtr(ptr interface{}, setter setter, tag string) error {
+	_, err := mapping(reflect.ValueOf(ptr), emptyField, setter, tag)
+	return err
+}
+
+func mapping(value reflect.Value, field reflect.StructField, setter setter, tag string) (bool, error) {
+	if field.Tag.Get(tag) == "-" { // just ignoring this field
+		return false, nil
+	}
+
+	var vKind = value.Kind()
+
+	if vKind == reflect.Ptr {
+		var isNew bool
+		vPtr := value
+		if value.IsNil() {
+			isNew = true
+			vPtr = reflect.New(value.Type().Elem())
+		}
+		isSetted, err := mapping(vPtr.Elem(), field, setter, tag)
+		if err != nil {
+			return false, err
+		}
+		if isNew && isSetted {
+			value.Set(vPtr)
+		}
+		return isSetted, nil
+	}
+
+	if vKind != reflect.Struct || !field.Anonymous {
+		ok, err := tryToSetValue(value, field, setter, tag)
+		if err != nil {
+			return false, err
+		}
+		if ok {
+			return true, nil
+		}
+	}
+
+	if vKind == reflect.Struct {
+		tValue := value.Type()
+
+		var isSetted bool
+		for i := 0; i < value.NumField(); i++ {
+			sf := tValue.Field(i)
+			if sf.PkgPath != "" && !sf.Anonymous { // unexported
+				continue
+			}
+			ok, err := mapping(value.Field(i), tValue.Field(i), setter, tag)
+			if err != nil {
+				return false, err
+			}
+			isSetted = isSetted || ok
+		}
+		return isSetted, nil
+	}
+	return false, nil
+}
+
+type setOptions struct {
+	isDefaultExists bool
+	defaultValue    string
+}
+
+func tryToSetValue(value reflect.Value, field reflect.StructField, setter setter, tag string) (bool, error) {
+	var tagValue string
+	var setOpt setOptions
+
+	tagValue = field.Tag.Get(tag)
+	tagValue, opts := head(tagValue, ",")
+
+	if tagValue == "" { // default value is FieldName
+		tagValue = field.Name
+	}
+	if tagValue == "" { // when field is "emptyField" variable
+		return false, nil
+	}
+
+	var opt string
+	for len(opts) > 0 {
+		opt, opts = head(opts, ",")
+
+		if k, v := head(opt, "="); k == "default" {
+			setOpt.isDefaultExists = true
+			setOpt.defaultValue = v
+		}
+	}
+
+	return setter.TrySet(value, field, tagValue, setOpt)
+}
+
+func setByForm(value reflect.Value, field reflect.StructField, form map[string][]string, tagValue string, opt setOptions) (isSetted bool, err error) {
+	vs, ok := form[tagValue]
+	if !ok && !opt.isDefaultExists {
+		return false, nil
+	}
+
+	switch value.Kind() {
+	case reflect.Slice:
+		if !ok {
+			vs = []string{opt.defaultValue}
+		}
+		return true, setSlice(vs, value, field)
+	case reflect.Array:
+		if !ok {
+			vs = []string{opt.defaultValue}
+		}
+		if len(vs) != value.Len() {
+			return false, fmt.Errorf("%q is not valid value for %s", vs, value.Type().String())
+		}
+		return true, setArray(vs, value, field)
+	default:
+		var val string
+		if !ok {
+			val = opt.defaultValue
+		}
+
+		if len(vs) > 0 {
+			val = vs[0]
+		}
+		return true, setWithProperType(val, value, field)
+	}
+}
+
+func setWithProperType(val string, value reflect.Value, field reflect.StructField) error {
+	switch value.Kind() {
+	case reflect.Int:
+		return setIntField(val, 0, value)
+	case reflect.Int8:
+		return setIntField(val, 8, value)
+	case reflect.Int16:
+		return setIntField(val, 16, value)
+	case reflect.Int32:
+		return setIntField(val, 32, value)
+	case reflect.Int64:
+		switch value.Interface().(type) {
+		case time.Duration:
+			return setTimeDuration(val, value, field)
+		}
+		return setIntField(val, 64, value)
+	case reflect.Uint:
+		return setUintField(val, 0, value)
+	case reflect.Uint8:
+		return setUintField(val, 8, value)
+	case reflect.Uint16:
+		return setUintField(val, 16, value)
+	case reflect.Uint32:
+		return setUintField(val, 32, value)
+	case reflect.Uint64:
+		return setUintField(val, 64, value)
+	case reflect.Bool:
+		return setBoolField(val, value)
+	case reflect.Float32:
+		return setFloatField(val, 32, value)
+	case reflect.Float64:
+		return setFloatField(val, 64, value)
+	case reflect.String:
+		value.SetString(val)
+	case reflect.Struct:
+		switch value.Interface().(type) {
+		case time.Time:
+			return setTimeField(val, field, value)
+		}
+		return json.Unmarshal(bytesconv.StringToBytes(val), value.Addr().Interface())
+	case reflect.Map:
+		return json.Unmarshal(bytesconv.StringToBytes(val), value.Addr().Interface())
+	default:
+		return errUnknownType
+	}
+	return nil
+}
+
+func setIntField(val string, bitSize int, field reflect.Value) error {
+	if val == "" {
+		val = "0"
+	}
+	intVal, err := strconv.ParseInt(val, 10, bitSize)
+	if err == nil {
+		field.SetInt(intVal)
+	}
+	return err
+}
+
+func setUintField(val string, bitSize int, field reflect.Value) error {
+	if val == "" {
+		val = "0"
+	}
+	uintVal, err := strconv.ParseUint(val, 10, bitSize)
+	if err == nil {
+		field.SetUint(uintVal)
+	}
+	return err
+}
+
+func setBoolField(val string, field reflect.Value) error {
+	if val == "" {
+		val = "false"
+	}
+	boolVal, err := strconv.ParseBool(val)
+	if err == nil {
+		field.SetBool(boolVal)
+	}
+	return err
+}
+
+func setFloatField(val string, bitSize int, field reflect.Value) error {
+	if val == "" {
+		val = "0.0"
+	}
+	floatVal, err := strconv.ParseFloat(val, bitSize)
+	if err == nil {
+		field.SetFloat(floatVal)
+	}
+	return err
+}
+
+func setTimeField(val string, structField reflect.StructField, value reflect.Value) error {
+	timeFormat := structField.Tag.Get("time_format")
+	if timeFormat == "" {
+		timeFormat = time.RFC3339
+	}
+
+	switch tf := strings.ToLower(timeFormat); tf {
+	case "unix", "unixnano":
+		tv, err := strconv.ParseInt(val, 10, 64)
+		if err != nil {
+			return err
+		}
+
+		d := time.Duration(1)
+		if tf == "unixnano" {
+			d = time.Second
+		}
+
+		t := time.Unix(tv/int64(d), tv%int64(d))
+		value.Set(reflect.ValueOf(t))
+		return nil
+
+	}
+
+	if val == "" {
+		value.Set(reflect.ValueOf(time.Time{}))
+		return nil
+	}
+
+	l := time.Local
+	if isUTC, _ := strconv.ParseBool(structField.Tag.Get("time_utc")); isUTC {
+		l = time.UTC
+	}
+
+	if locTag := structField.Tag.Get("time_location"); locTag != "" {
+		loc, err := time.LoadLocation(locTag)
+		if err != nil {
+			return err
+		}
+		l = loc
+	}
+
+	t, err := time.ParseInLocation(timeFormat, val, l)
+	if err != nil {
+		return err
+	}
+
+	value.Set(reflect.ValueOf(t))
+	return nil
+}
+
+func setArray(vals []string, value reflect.Value, field reflect.StructField) error {
+	for i, s := range vals {
+		err := setWithProperType(s, value.Index(i), field)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func setSlice(vals []string, value reflect.Value, field reflect.StructField) error {
+	slice := reflect.MakeSlice(value.Type(), len(vals), len(vals))
+	err := setArray(vals, slice, field)
+	if err != nil {
+		return err
+	}
+	value.Set(slice)
+	return nil
+}
+
+func setTimeDuration(val string, value reflect.Value, field reflect.StructField) error {
+	d, err := time.ParseDuration(val)
+	if err != nil {
+		return err
+	}
+	value.Set(reflect.ValueOf(d))
+	return nil
+}
+
+func head(str, sep string) (head string, tail string) {
+	idx := strings.Index(str, sep)
+	if idx < 0 {
+		return str, ""
+	}
+	return str[:idx], str[idx+len(sep):]
+}
+
+func setFormMap(ptr interface{}, form map[string][]string) error {
+	el := reflect.TypeOf(ptr).Elem()
+
+	if el.Kind() == reflect.Slice {
+		ptrMap, ok := ptr.(map[string][]string)
+		if !ok {
+			return errors.New("cannot convert to map slices of strings")
+		}
+		for k, v := range form {
+			ptrMap[k] = v
+		}
+
+		return nil
+	}
+
+	ptrMap, ok := ptr.(map[string]string)
+	if !ok {
+		return errors.New("cannot convert to map of strings")
+	}
+	for k, v := range form {
+		ptrMap[k] = v[len(v)-1] // pick last
+	}
+
+	return nil
+}

go.mod

@@ -5,6 +5,8 @@ go 1.12
 require (
 	github.com/gin-gonic/gin v1.7.2
 	github.com/go-playground/validator/v10 v10.4.1
+	github.com/goccy/go-json v0.7.0
+	github.com/json-iterator/go v1.1.9
 	github.com/xxjwxc/public v0.0.0-20210604020721-3cc06f1e88c0
 	google.golang.org/genproto v0.0.0-20210207032614-bba0dbe2a9ea // indirect
 	google.golang.org/grpc v1.29.1

go.sum

@@ -61,6 +61,8 @@ github.com/go-redis/redis/v8 v8.4.11/go.mod h1:d5yY/TlkQyYBSBHnXUmnf1OrHbyQere5J
 github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/goccy/go-json v0.7.0 h1:ZsGt0RuL2c4EP8X33Ij8caSlBrcFx7eYKjlKG4HOWf8=
+github.com/goccy/go-json v0.7.0/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=

internal/bytesconv/bytesconv.go

@@ -0,0 +1,24 @@
+// Copyright 2020 Gin Core Team. All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package bytesconv
+
+import (
+	"unsafe"
+)
+
+// StringToBytes converts string to byte slice without a memory allocation.
+func StringToBytes(s string) []byte {
+	return *(*[]byte)(unsafe.Pointer(
+		&struct {
+			string
+			Cap int
+		}{s, len(s)},
+	))
+}
+
+// BytesToString converts byte slice to string without a memory allocation.
+func BytesToString(b []byte) string {
+	return *(*string)(unsafe.Pointer(&b))
+}

internal/bytesconv/bytesconv_test.go

@@ -0,0 +1,99 @@
+// Copyright 2020 Gin Core Team. All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package bytesconv
+
+import (
+	"bytes"
+	"math/rand"
+	"strings"
+	"testing"
+	"time"
+)
+
+var testString = "Albert Einstein: Logic will get you from A to B. Imagination will take you everywhere."
+var testBytes = []byte(testString)
+
+func rawBytesToStr(b []byte) string {
+	return string(b)
+}
+
+func rawStrToBytes(s string) []byte {
+	return []byte(s)
+}
+
+// go test -v
+
+func TestBytesToString(t *testing.T) {
+	data := make([]byte, 1024)
+	for i := 0; i < 100; i++ {
+		rand.Read(data)
+		if rawBytesToStr(data) != BytesToString(data) {
+			t.Fatal("don't match")
+		}
+	}
+}
+
+const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+const (
+	letterIdxBits = 6                    // 6 bits to represent a letter index
+	letterIdxMask = 1<<letterIdxBits - 1 // All 1-bits, as many as letterIdxBits
+	letterIdxMax  = 63 / letterIdxBits   // # of letter indices fitting in 63 bits
+)
+
+var src = rand.NewSource(time.Now().UnixNano())
+
+func RandStringBytesMaskImprSrcSB(n int) string {
+	sb := strings.Builder{}
+	sb.Grow(n)
+	// A src.Int63() generates 63 random bits, enough for letterIdxMax characters!
+	for i, cache, remain := n-1, src.Int63(), letterIdxMax; i >= 0; {
+		if remain == 0 {
+			cache, remain = src.Int63(), letterIdxMax
+		}
+		if idx := int(cache & letterIdxMask); idx < len(letterBytes) {
+			sb.WriteByte(letterBytes[idx])
+			i--
+		}
+		cache >>= letterIdxBits
+		remain--
+	}
+
+	return sb.String()
+}
+
+func TestStringToBytes(t *testing.T) {
+	for i := 0; i < 100; i++ {
+		s := RandStringBytesMaskImprSrcSB(64)
+		if !bytes.Equal(rawStrToBytes(s), StringToBytes(s)) {
+			t.Fatal("don't match")
+		}
+	}
+}
+
+// go test -v -run=none -bench=^BenchmarkBytesConv -benchmem=true
+
+func BenchmarkBytesConvBytesToStrRaw(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		rawBytesToStr(testBytes)
+	}
+}
+
+func BenchmarkBytesConvBytesToStr(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		BytesToString(testBytes)
+	}
+}
+
+func BenchmarkBytesConvStrToBytesRaw(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		rawStrToBytes(testString)
+	}
+}
+
+func BenchmarkBytesConvStrToBytes(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		StringToBytes(testString)
+	}
+}

internal/json/go_json.go

@@ -0,0 +1,23 @@
+// Copyright 2017 Bo-Yi Wu.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+//go:build go_json
+// +build go_json
+
+package json
+
+import json "github.com/goccy/go-json"
+
+var (
+	// Marshal is exported by gin/json package.
+	Marshal = json.Marshal
+	// Unmarshal is exported by gin/json package.
+	Unmarshal = json.Unmarshal
+	// MarshalIndent is exported by gin/json package.
+	MarshalIndent = json.MarshalIndent
+	// NewDecoder is exported by gin/json package.
+	NewDecoder = json.NewDecoder
+	// NewEncoder is exported by gin/json package.
+	NewEncoder = json.NewEncoder
+)

internal/json/json.go

@@ -0,0 +1,23 @@
+// Copyright 2017 Bo-Yi Wu.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+//go:build !jsoniter && !go_json
+// +build !jsoniter,!go_json
+
+package json
+
+import "encoding/json"
+
+var (
+	// Marshal is exported by gin/json package.
+	Marshal = json.Marshal
+	// Unmarshal is exported by gin/json package.
+	Unmarshal = json.Unmarshal
+	// MarshalIndent is exported by gin/json package.
+	MarshalIndent = json.MarshalIndent
+	// NewDecoder is exported by gin/json package.
+	NewDecoder = json.NewDecoder
+	// NewEncoder is exported by gin/json package.
+	NewEncoder = json.NewEncoder
+)

internal/json/jsoniter.go

@@ -0,0 +1,24 @@
+// Copyright 2017 Bo-Yi Wu.  All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+//go:build jsoniter
+// +build jsoniter
+
+package json
+
+import jsoniter "github.com/json-iterator/go"
+
+var (
+	json = jsoniter.ConfigCompatibleWithStandardLibrary
+	// Marshal is exported by gin/json package.
+	Marshal = json.Marshal
+	// Unmarshal is exported by gin/json package.
+	Unmarshal = json.Unmarshal
+	// MarshalIndent is exported by gin/json package.
+	MarshalIndent = json.MarshalIndent
+	// NewDecoder is exported by gin/json package.
+	NewDecoder = json.NewDecoder
+	// NewEncoder is exported by gin/json package.
+	NewEncoder = json.NewEncoder
+)