TODO: render/ 相关模块

utils/collect/collect.go

@@ -1,7 +1,6 @@
 package collect
 
 import (
-	"log"
 	"reflect"
 	"strconv"
 )
@@ -215,23 +214,33 @@ func StructSliceJson2Maps(s interface{}) []map[string]interface{} {
 	return maps
 }
 
+// LoadJsonTag 根据loader的json tag 赋值 给拥有相同json tag
 func LoadJsonTag(v interface{}, loaded interface{}) {
 	vtype := reflect.TypeOf(v)
+	if vtype.Kind() != reflect.Ptr {
+		panic("v must is a pointer")
+	}
+	vtype = vtype.Elem()
+
+	var vvalue reflect.Value
 	if vtype.Kind() == reflect.Ptr {
 		vtype = vtype.Elem()
-	}
-	vvalue := reflect.ValueOf(v)
-	if vvalue.Kind() == reflect.Ptr {
-		vvalue = vvalue.Elem()
+		vvalue = reflect.ValueOf(v).Elem().Elem()
+	} else {
+		vvalue = reflect.ValueOf(v).Elem()
 	}
 
 	ltype := reflect.TypeOf(loaded)
+	if ltype.Kind() != reflect.Ptr {
+		panic("loaded must is a pointer")
+	}
+	ltype = ltype.Elem()
+	var lvalue reflect.Value
 	if ltype.Kind() == reflect.Ptr {
 		ltype = ltype.Elem()
-	}
-	lvalue := reflect.ValueOf(loaded)
-	if lvalue.Kind() == reflect.Ptr {
-		lvalue = lvalue.Elem()
+		lvalue = reflect.ValueOf(loaded).Elem().Elem()
+	} else {
+		lvalue = reflect.ValueOf(loaded).Elem()
 	}
 
 	for i := 0; i < vtype.NumField(); i++ {
@@ -244,26 +253,25 @@ func LoadJsonTag(v interface{}, loaded interface{}) {
 				if ltag, ok := lfield.Tag.Lookup("json"); ok && vtag == ltag {
 					vv := vvalue.Field(i)
 					lv := lvalue.Field(j)
-					log.Println(vv.Kind(), vv.Type().Elem(), lv.Kind())
+
 					if vv.Kind() == reflect.Ptr {
+
 						if lv.Kind() == reflect.Ptr {
 							vv.Set(lv)
 						} else {
-							vv = reflect.New(vv.Type().Elem())
-							log.Println(vv.Type().Kind(), vv.Elem().Kind(), lv, reflect.Indirect(vv))
-							reflect.Indirect(vv.Addr()).Set(lv.Addr())
-							vv = reflect.New(vv.Type().Elem())
-
-							vv.Set(lv.Addr())
+							x := reflect.New(vv.Type().Elem())
+							x.Elem().Set(lv)
+							vv.Set(x)
 						}
 
-						vv.Set(lv)
 					} else {
+
 						if lv.Kind() != reflect.Ptr {
 							vv.Set(lv)
 						} else {
 							vv.Set(lv.Elem())
 						}
+
 					}
 				}
 			}

utils/collect/collect_test.go

@@ -1,7 +1,9 @@
 package collect
 
 import (
+	"fmt"
 	"log"
+	"reflect"
 	"testing"
 )
 
@@ -40,3 +42,36 @@ func TestArrayColumnTag(t *testing.T) {
 	log.Printf("%##v", a)
 	log.Println(len(a))
 }
+
+func TestCaseMain(t *testing.T) {
+
+	type MyStruct struct {
+		SomeIntPtr    *int
+		SomeStringPtr *string
+	}
+
+	var ms MyStruct
+
+	// Set int pointer
+	{
+		var i interface{} = 3 // of type int
+
+		f := reflect.ValueOf(&ms).Elem().FieldByName("SomeIntPtr")
+		x := reflect.New(f.Type().Elem())
+		x.Elem().Set(reflect.ValueOf(i))
+		f.Set(x)
+	}
+
+	// Set string pointer
+	{
+		var i interface{} = "hi" // of type string
+
+		f := reflect.ValueOf(&ms).Elem().Field(1)
+		x := reflect.New(f.Type().Elem())
+		x.Elem().Set(reflect.ValueOf(i))
+		f.Set(x)
+	}
+
+	fmt.Println("ms.SomeIntPtr", *ms.SomeIntPtr)
+	fmt.Println("ms.SomeStringPtr", *ms.SomeStringPtr)
+}