fix go api bug. (#31857)

go/README_cn.md

@@ -50,6 +50,7 @@ output_data := value.Interface().([][]float32)
 
 运行
 ```bash
+go mod init github.com/paddlepaddle
 export LD_LIBRARY_PATH=`pwd`/paddle_c/paddle/lib:$LD_LIBRARY_PATH
 go run ./demo/mobilenet.go
 ```

go/demo/mobilenet.go

@@ -13,7 +13,7 @@
 // limitations under the License.
 package main
 
-import "../paddle"
+import "github.com/paddlepaddle/paddle"
 import "strings"
 import "io/ioutil"
 import "strconv"

go/paddle/common.go

@@ -15,7 +15,7 @@
 package paddle
 
 // #cgo CFLAGS: -I${SRCDIR}/../paddle_c/paddle/include
-// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -lpaddle_fluid_c
+// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -lpaddle_inference_c
 // #include <stdbool.h>
 // #include <paddle_c_api.h>
 import "C"

go/paddle/config.go

@@ -15,7 +15,7 @@
 package paddle
 
 // #cgo CFLAGS: -I${SRCDIR}/../paddle_c/paddle/include
-// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -lpaddle_fluid_c
+// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -lpaddle_inference_c
 // #include <stdbool.h>
 // #include <stdlib.h>
 // #include <paddle_c_api.h>

go/paddle/predictor.go

@@ -15,7 +15,7 @@
 package paddle
 
 // #cgo CFLAGS: -I${SRCDIR}/../paddle_c/paddle/include
-// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -lpaddle_fluid_c
+// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -lpaddle_inference_c
 // #include <stdbool.h>
 // #include "paddle_c_api.h"
 import "C"
@@ -88,7 +88,7 @@ func (predictor *Predictor) GetInputNames() []string {
 }
 
 func (predictor *Predictor) GetOutputNames() []string {
-	names := make([]string, predictor.GetInputNum())
+	names := make([]string, predictor.GetOutputNum())
 	for i := 0; i < len(names); i++ {
 		names[i] = predictor.GetOutputName(i)
 	}

go/paddle/tensor.go

@@ -15,7 +15,7 @@
 package paddle
 
 // #cgo CFLAGS: -I${SRCDIR}/../paddle_c/paddle/include
-// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -lpaddle_fluid_c
+// #cgo LDFLAGS: -L${SRCDIR}/../paddle_c/paddle/lib -lpaddle_inference_c
 // #include <stdbool.h>
 // #include <stdlib.h>
 // #include <string.h>
@@ -209,7 +209,7 @@ func DecodeTensor(r *bytes.Reader, shape []int32, t reflect.Type, ptr reflect.Va
 		value := reflect.Indirect(ptr)
 		value.Set(reflect.MakeSlice(t, int(shape[0]), int(shape[0])))
 		if len(shape) == 1 && value.Len() > 0 {
-			switch value.Index(1).Kind() {
+			switch value.Index(0).Kind() {
 			case reflect.Uint8, reflect.Int32, reflect.Int64, reflect.Float32:
 				binary.Read(r, Endian(), value.Interface())
 				return

paddle/fluid/inference/capi/pd_predictor.cc

@@ -207,13 +207,16 @@ int PD_GetOutputNum(const PD_Predictor* predictor) {
 }
 
 const char* PD_GetInputName(const PD_Predictor* predictor, int n) {
-  static std::vector<std::string> names = predictor->predictor->GetInputNames();
+  static std::vector<std::string> names;
+  names.resize(predictor->predictor->GetInputNames().size());
+  names[n] = predictor->predictor->GetInputNames()[n];
   return names[n].c_str();
 }
 
 const char* PD_GetOutputName(const PD_Predictor* predictor, int n) {
-  static std::vector<std::string> names =
-      predictor->predictor->GetOutputNames();
+  static std::vector<std::string> names;
+  names.resize(predictor->predictor->GetOutputNames().size());
+  names[n] = predictor->predictor->GetOutputNames()[n];
   return names[n].c_str();
 }