feat:(conv) separate String2Int64 and Int642String (#32)

* feat:(conv) seprate `String2Int64` and `Int642String`

* fix: should support string->DOUBLE when option `String2Int64` is enabled

conv/api.go

@@ -56,9 +56,12 @@ type Options struct {
 	// EnableThriftBase indicates if thrift/base should be recognized and mapping to/from context
 	EnableThriftBase bool
 
-	// Int64AsString indicates if string value cane be read as **Int8/Int16/Int32/Int64/Float64**,
-	// or in response a **Int64** value can be written as string
+	// String2Int64 indicates if string value cane be read as **Int8/Int16/Int32/Int64/Float64**,
 	String2Int64 bool
+
+	// Int642Stringin indicates if a int64 value a **Int64** value can be written as string
+	Int642String bool
+
 	// NoBase64Binary indicates if base64 string should be Encode/Decode as []byte
 	NoBase64Binary bool
 	// ByteAsUint8 indicates if byte should be conv as uint8 (default is int8), this only works for t2j now

conv/j2t/conv_test.go

@@ -898,7 +898,7 @@ func TestString2Int(t *testing.T) {
 	})
 
 	t.Run("option Int64AsString", func(t *testing.T) {
-		data := []byte(`{"Int32":"222","Int64":"333"}`)
+		data := []byte(`{"Int32":"222","Int64":"333", "Float64":"1.1"}`)
 		cv.SetOptions(conv.Options{
 			String2Int64: true,
 		})
@@ -908,6 +908,7 @@ func TestString2Int(t *testing.T) {
 		exp := example3.NewExampleInt2Float()
 		exp.Int64 = 333
 		exp.Int32 = 222
+		exp.Float64 = 1.1
 		act := example3.NewExampleInt2Float()
 		_, err = act.FastRead(out)
 		require.Nil(t, err)

conv/t2j/conv_test.go

@@ -328,7 +328,7 @@ func TestInt2String(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, (`{"Int32":1,"Float64":3.14,"Int64":2,"Subfix":0.92653,"中文":"hello"}`), string(out))
 
-	cv.opts.String2Int64 = true
+	cv.opts.Int642String = true
 	out, err = cv.Do(ctx, desc, in)
 	require.NoError(t, err)
 	require.Equal(t, (`{"Int32":1,"Float64":3.14,"Int64":"2","Subfix":0.92653,"中文":"hello"}`), string(out))

conv/t2j/impl.go

@@ -223,7 +223,7 @@ func (self *BinaryConv) doRecurse(ctx context.Context, desc *thrift.TypeDescript
 		if e != nil {
 			return wrapError(meta.ErrWrite, "", e)
 		}
-		if self.opts.String2Int64 {
+		if self.opts.Int642String {
 			*out = append(*out, '"')
 			*out = json.EncodeInt64(*out, int64(v))
 			*out = append(*out, '"')