feat：完善项目

app/api/website/controller/config.go

@@ -4,6 +4,7 @@ import (
 	"SciencesServer/app/api/admin/model"
 	model2 "SciencesServer/app/common/model"
 	"SciencesServer/app/session"
+	"errors"
 )
 
 type Config struct{ *session.Enterprise }
@@ -11,24 +12,29 @@ type Config struct{ *session.Enterprise }
 type ConfigHandle func(session *session.Enterprise) *Config
 
 type (
+	// ConfigInfo 配置信息
 	ConfigInfo struct {
-		Kind  int    `json:"kind"`
 		Name  string `json:"name"`
-		Key   string `json:"key"`
 		Value string `json:"value"`
 	}
 )
 
-func (c *Config) Instance(kind int) ([]*ConfigInfo, error) {
+func (c *Config) Instance(kind int, key string) (*ConfigInfo, error) {
 	mSysConfig := model.NewSysConfig()
 
-	out := make([]*ConfigInfo, 0)
+	where := []*model2.ModelWhere{model2.NewWhere("`key`", key)}
 
-	if err := model2.ScanFields(mSysConfig.SysConfig, &out, []string{"kind", "name", "`key`", "`value`"},
-		&model2.ModelWhereOrder{Where: model2.NewWhere("kind", kind)}); err != nil {
-		return nil, err
+	if kind > 0 {
+		where = append(where, model2.NewWhere("kind", kind))
 	}
-	return out, nil
+	isExist, err := model2.FirstField(mSysConfig.SysConfig, []string{"id", "name", "`value`"}, where...)
+
+	if err != nil {
+		return nil, err
+	} else if !isExist {
+		return nil, errors.New("操作错误，数据不存在或已被删除")
+	}
+	return &ConfigInfo{Name: mSysConfig.Name, Value: mSysConfig.Value}, nil
 }
 
 func NewConfig() ConfigHandle {