improve command gen ctrl for api parsing and interface file generating (#2836)

cmd/gf/internal/cmd/genctrl/genctrl.go

@@ -37,7 +37,7 @@ gf gen ctrl
 )
 
 const (
-	PatternApiDefinition  = `type\s+(\w+)Req\s+struct\s+{`
+	PatternApiDefinition  = `type\s+(\w+)Req\s+struct\s+{([\s\S]+?)}`
 	PatternCtrlDefinition = `func\s+\(.+?\)\s+\w+\(.+?\*(\w+)\.(\w+)Req\)\s+\(.+?\*(\w+)\.(\w+)Res,\s+\w+\s+error\)\s+{`
 )
 

cmd/gf/internal/cmd/genctrl/genctrl_calculate.go

@@ -43,11 +43,19 @@ func (c CGenCtrl) getApiItemsInSrc(apiModuleFolderPath string) (items []apiItem,
 				return nil, err
 			}
 			for _, match := range matches {
+				var (
+					methodName = match[1]
+					structBody = match[2]
+				)
+				// ignore struct name that match a request, but has no g.Meta in its body.
+				if !gstr.Contains(structBody, `g.Meta`) {
+					continue
+				}
 				item := apiItem{
 					Import:     gstr.Trim(importPath, `"`),
 					Module:     gfile.Basename(apiModuleFolderPath),
 					Version:    gfile.Basename(apiVersionFolderPath),
-					MethodName: match[1],
+					MethodName: methodName,
 				}
 				items = append(items, item)
 			}

cmd/gf/internal/cmd/genctrl/genctrl_generate_interface.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/gogf/gf/cmd/gf/v2/internal/consts"
 	"github.com/gogf/gf/cmd/gf/v2/internal/utility/mlog"
+	"github.com/gogf/gf/cmd/gf/v2/internal/utility/utils"
 	"github.com/gogf/gf/v2/container/gmap"
 	"github.com/gogf/gf/v2/container/gset"
 	"github.com/gogf/gf/v2/frame/g"
@@ -42,6 +43,11 @@ func (c *apiInterfaceGenerator) doGenerate(apiModuleFolderPath string, module st
 		importPathMap  = gmap.NewListMap()
 		importPaths    []string
 	)
+	// if there's already exist file that with the same but not auto generated go file,
+	// it uses another file name.
+	if !utils.IsFileDoNotEdit(moduleFilePath) {
+		moduleFilePath = gfile.Join(apiModuleFolderPath, fmt.Sprintf(`%s.if.go`, module))
+	}
 	// all import paths.
 	importPathMap.Set("\t"+`"context"`, 1)
 	importPathMap.Set("\t"+``, 1)