fix: goctl api dart support form tag (zeromicro#1596)

tools/goctl/api/dartgen/gendata.go

@@ -19,12 +19,12 @@ class {{.Name}}{
 	});
 	factory {{.Name}}.fromJson(Map<String,dynamic> m) {
 		return {{.Name}}({{range .Members}}
-			{{lowCamelCase .Name}}: {{if isDirectType .Type.Name}}m['{{tagGet .Tag "json"}}']{{else if isClassListType .Type.Name}}(m['{{tagGet .Tag "json"}}'] as List<dynamic>).map((i) => {{getCoreType .Type.Name}}.fromJson(i)){{else}}{{.Type.Name}}.fromJson(m['{{tagGet .Tag "json"}}']){{end}},{{end}}
+			{{lowCamelCase .Name}}: {{if isDirectType .Type.Name}}m['{{getPropertyFromMember .}}']{{else if isClassListType .Type.Name}}(m['{{getPropertyFromMember .}}'] as List<dynamic>).map((i) => {{getCoreType .Type.Name}}.fromJson(i)){{else}}{{.Type.Name}}.fromJson(m['{{getPropertyFromMember .}}']){{end}},{{end}}
 		);
 	}
 	Map<String,dynamic> toJson() {
 		return { {{range .Members}}
-			'{{tagGet .Tag "json"}}': {{if isDirectType .Type.Name}}{{lowCamelCase .Name}}{{else if isClassListType .Type.Name}}{{lowCamelCase .Name}}.map((i) => i.toJson()){{else}}{{lowCamelCase .Name}}.toJson(){{end}},{{end}}
+			'{{getPropertyFromMember .}}': {{if isDirectType .Type.Name}}{{lowCamelCase .Name}}{{else if isClassListType .Type.Name}}{{lowCamelCase .Name}}.map((i) => i.toJson()){{else}}{{lowCamelCase .Name}}.toJson(){{end}},{{end}}
 		};
 	}
 }

tools/goctl/api/dartgen/util.go

@@ -34,18 +34,12 @@ func pathToFuncName(path string) string {
 	return util.ToLower(camel[:1]) + camel[1:]
 }
 
-func tagGet(tag, k string) string {
-	tags, err := spec.Parse(tag)
+func getPropertyFromMember(member spec.Member) string {
+	name, err := member.GetPropertyName()
 	if err != nil {
-		panic(k + " not exist")
+		panic(fmt.Sprintf("cannot get property name of %q", member.Name))
 	}
-
-	v, err := tags.Get(k)
-	if err != nil {
-		panic(k + " value not exist")
-	}
-
-	return v.Name
+	return name
 }
 
 func isDirectType(s string) bool {

tools/goctl/api/dartgen/util_test.go

@@ -0,0 +1,39 @@
+package dartgen
+
+import (
+	"testing"
+
+	"github.com/zeromicro/go-zero/tools/goctl/api/spec"
+)
+
+func Test_getPropertyFromMember(t *testing.T) {
+	tests := []struct {
+		name   string
+		member spec.Member
+		want   string
+	}{
+		{
+			name: "json tag should be ok",
+			member: spec.Member{
+				Tag:  "`json:\"foo\"`",
+				Name: "Foo",
+			},
+			want: "foo",
+		},
+		{
+			name: "form tag should be ok",
+			member: spec.Member{
+				Tag:  "`form:\"bar\"`",
+				Name: "Bar",
+			},
+			want: "bar",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := getPropertyFromMember(tt.member); got != tt.want {
+				t.Errorf("getPropertyFromMember() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

tools/goctl/api/dartgen/vars.go

@@ -3,12 +3,12 @@ package dartgen
 import "text/template"
 
 var funcMap = template.FuncMap{
-	"tagGet":          tagGet,
-	"isDirectType":    isDirectType,
-	"isClassListType": isClassListType,
-	"getCoreType":     getCoreType,
-	"pathToFuncName":  pathToFuncName,
-	"lowCamelCase":    lowCamelCase,
+	"getPropertyFromMember": getPropertyFromMember,
+	"isDirectType":          isDirectType,
+	"isClassListType":       isClassListType,
+	"getCoreType":           getCoreType,
+	"pathToFuncName":        pathToFuncName,
+	"lowCamelCase":          lowCamelCase,
 }
 
 const (