feat(ReverseEngine)：给生成的文件添加表注释，当表注释不为空的时候会在import下面生成该注释信息

imp/ContentGenerate.go

@@ -6,5 +6,5 @@ type ContentGenerate interface {
 	/*
 		内容制造接口
 	*/
-	GenerateFileContent(filePath string, fileName string, fms []entity.FieldMessage, hasTime bool, tagKey string) string
+	GenerateFileContent(filePath string, fileName string, fms []entity.FieldMessage, hasTime bool, tagKey string, string string) string
 }

reverse/Engine.go

@@ -156,7 +156,7 @@ func dbReverse(path string, tableName string, dbName string, db *sql.DB) {
 	}
 	fms, hasTime := buildFieldMessage(cms)                                                 //创建字段名和类型的映射
 	w := bufio.NewWriter(file)                                                             //进行文件的操作
-	content := cg.GenerateFileContent(path, tableName, fms, hasTime, tagKey) //拼go文件
+	content := cg.GenerateFileContent(path, tableName, fms, hasTime, tagKey, tableComment) //拼go文件
 	_, err := w.WriteString(content)
 	checkError(err, "写入出错了：")
 	fErr, cErr := w.Flush(), file.Close()

support/FileContentSupport.go

@@ -8,12 +8,13 @@ import (
 
 type FileContentSupport struct{}
 
-func (FileContentSupport) GenerateFileContent(filePath string, fileName string, fms []entity.FieldMessage, hasTime bool, tagKey string) string {
+func (FileContentSupport) GenerateFileContent(filePath string, fileName string, fms []entity.FieldMessage, hasTime bool, tagKey string, tableComment string) string {
 	var build strings.Builder
 	pName := splitLast(filePath, static.Splice)
 
 	writePackage(&build, pName)             //写文件的引用包
 	writeImportIfTime(&build, hasTime)      //如果有time.Time类型的需要写入import
+	writeTableComment(&build, tableComment) //写入表注释
 	buildStructHead(&build, fileName)       //写入结构体头
 
 	//对于没有字段的返回空定义的文件
@@ -99,3 +100,10 @@ func splitLast(filePath string, split string) string {
 	ss := strings.Split(filePath, split)
 	return ss[len(ss)-1]
 }
+
+func writeTableComment(builder *strings.Builder, s string) {
+	if s != "" {
+		builder.WriteString("//" + s)
+		builder.WriteString("\n")
+	}
+}

support/FileContentSupport2.go

@@ -7,7 +7,7 @@ import (
 
 type FileContentSUpport2 struct{}
 
-func (FileContentSUpport2) GenerateFileContent(filePath string, fileName string, fms []entity.FieldMessage, hasTime bool, tagKey string) string {
+func (FileContentSUpport2) GenerateFileContent(filePath string, fileName string, fms []entity.FieldMessage, hasTime bool, tagKey string, string string) string {
 	fmt.Println("12321321")
 	return "       "
 }